diff options
Diffstat (limited to 'src/mesa/drivers/d3d/WGL.C')
| -rw-r--r-- | src/mesa/drivers/d3d/WGL.C | 2524 |
1 files changed, 1262 insertions, 1262 deletions
diff --git a/src/mesa/drivers/d3d/WGL.C b/src/mesa/drivers/d3d/WGL.C index e3b95e1de72..170d094ed49 100644 --- a/src/mesa/drivers/d3d/WGL.C +++ b/src/mesa/drivers/d3d/WGL.C @@ -1,1262 +1,1262 @@ -/*===========================================================================*/
-/* */
-/* Mesa-3.0 Makefile for DirectX 6 */
-/* */
-/* By Leigh McRae */
-/* */
-/* http://www.altsoftware.com/ */
-/* */
-/* Copyright (c) 1998-1997 alt.software inc. All Rights Reserved */
-/*===========================================================================*/
-#include "D3DMesa.h"
-/*===========================================================================*/
-/* Window managment. */
-/*===========================================================================*/
-static BOOL InitOpenGL( HINSTANCE hInst );
-static BOOL TermOpenGL( HINSTANCE hInst );
-static BOOL ResizeContext( GLcontext *ctx );
-static BOOL MakeCurrent( D3DMESACONTEXT *pContext );
-static void DestroyContext( D3DMESACONTEXT *pContext );
-static BOOL UnBindWindow( D3DMESACONTEXT *pContext );
-LONG APIENTRY wglMonitorProc( HWND hwnd, UINT message, UINT wParam, LONG lParam );
-/*===========================================================================*/
-/* Mesa hooks. */
-/*===========================================================================*/
-static void SetupDDPointers( GLcontext *ctx );
-static void SetupSWDDPointers( GLcontext *ctx );
-static void SetupHWDDPointers( GLcontext *ctx );
-static void SetupNULLDDPointers( GLcontext *ctx );
-static const char *RendererString( void );
-
-/* State Management hooks. */
-static void SetColor( GLcontext *ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a );
-static void ClearColor( GLcontext *ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a );
-static GLboolean SetBuffer( GLcontext *ctx, GLenum buffer );
-
-/* Window Management hooks. */
-static void GetBufferSize( GLcontext *ctx, GLuint *width, GLuint *height );
-static void SetViewport( GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h );
-static void Flush( GLcontext *ctx );
-
-/* Span rendering hooks. */
-void WSpanRGB( const GLcontext* ctx, GLuint n, GLint x, GLint y, const GLubyte rgb[][3], const GLubyte mask[] );
-void WSpanRGBA( const GLcontext* ctx, GLuint n, GLint x, GLint y, const GLubyte rgba[][4], const GLubyte mask[] );
-void WSpanRGBAMono( const GLcontext* ctx, GLuint n, GLint x, GLint y, const GLubyte mask[] );
-void WPixelsRGBA( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], const GLubyte rgba[][4], const GLubyte mask[] );
-void WPixelsRGBAMono( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], const GLubyte mask[] );
-void RSpanRGBA( const GLcontext* ctx, GLuint n, GLint x, GLint y, GLubyte rgba[][4] );
-void RPixelsRGBA( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], GLubyte rgba[][4], const GLubyte mask[] );
-GLbitfield ClearBuffers( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height );
-
-/* Primitve rendering hooks. */
-GLboolean RenderVertexBuffer( GLcontext *ctx, GLboolean allDone );
-void RenderOneTriangle( GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint pv );
-void RenderOneLine( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv );
-GLbitfield ClearBuffersD3D( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height );
-
-/* Texture Management hooks. */
-static void TextureBind( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj );
-static void TextureLoad( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj, GLint level, GLint internalFormat, const struct gl_texture_image *image );
-static void TextureSubImage( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLint internalFormat, const struct gl_texture_image *image );
-/*===========================================================================*/
-/* Global variables. */
-/*===========================================================================*/
-D3DMESACONTEXT *pD3DCurrent,
- *pD3DDefault; /* Thin support context. */
-
-struct __extensions__ ext[] = {
-
- { (PROC)glPolygonOffsetEXT, "glPolygonOffsetEXT" },
- { (PROC)glBlendEquationEXT, "glBlendEquationEXT" },
- { (PROC)glBlendColorEXT, "glBlendColorExt" },
- { (PROC)glVertexPointerEXT, "glVertexPointerEXT" },
- { (PROC)glNormalPointerEXT, "glNormalPointerEXT" },
- { (PROC)glColorPointerEXT, "glColorPointerEXT" },
- { (PROC)glIndexPointerEXT, "glIndexPointerEXT" },
- { (PROC)glTexCoordPointerEXT, "glTexCoordPointer" },
- { (PROC)glEdgeFlagPointerEXT, "glEdgeFlagPointerEXT" },
- { (PROC)glGetPointervEXT, "glGetPointervEXT" },
- { (PROC)glArrayElementEXT, "glArrayElementEXT" },
- { (PROC)glDrawArraysEXT, "glDrawArrayEXT" },
- { (PROC)glAreTexturesResidentEXT, "glAreTexturesResidentEXT" },
- { (PROC)glBindTextureEXT, "glBindTextureEXT" },
- { (PROC)glDeleteTexturesEXT, "glDeleteTexturesEXT" },
- { (PROC)glGenTexturesEXT, "glGenTexturesEXT" },
- { (PROC)glIsTextureEXT, "glIsTextureEXT" },
- { (PROC)glPrioritizeTexturesEXT, "glPrioritizeTexturesEXT" },
- { (PROC)glCopyTexSubImage3DEXT, "glCopyTexSubImage3DEXT" },
- { (PROC)glTexImage3DEXT, "glTexImage3DEXT" },
- { (PROC)glTexSubImage3DEXT, "glTexSubImage3DEXT" },
-};
-
-int qt_ext = sizeof(ext) / sizeof(ext[0]);
-float g_DepthScale,
- g_MaxDepth;
-/*===========================================================================*/
-/* When a process loads this DLL we will setup the linked list for context */
-/* management and create a default context that will support the API until */
-/* the user creates and binds thier own. This THIN default context is useful*/
-/* to have around. */
-/* When the process terminates we will clean up all resources here. */
-/*===========================================================================*/
-/* RETURN: TRUE, FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY DllMain( HINSTANCE hInst, DWORD reason, LPVOID reserved )
-{
- switch( reason )
- {
- case DLL_PROCESS_ATTACH:
- return InitOpenGL( hInst );
-
- case DLL_PROCESS_DETACH:
- return TermOpenGL( hInst );
- }
-
- return TRUE;
-}
-/*===========================================================================*/
-/* The first thing we do when this dll is hit is connect to the dll that has*/
-/* handles all the DirectX 6 rendering. I decided to use another dll as DX6 */
-/* is all C++ and Mesa-3.0 is C (thats a good thing). This way I can write */
-/* the DX6 in C++ and Mesa-3.0 in C without having to worry about linkage. */
-/* I feel this is easy and better then using static wrappers as it is likely */
-/* faster and it allows me to just develope the one without compiling the */
-/* other. */
-/* NOTE that at this point we don't have much other than a very thin context*/
-/* that will support the API calls only to the point of not causing the app */
-/* to crash from the API table being empty. */
-/*===========================================================================*/
-/* RETURN: TRUE, FALSE. */
-/*===========================================================================*/
-static BOOL InitOpenGL( HINSTANCE hInst )
-{
- /* Allocate and clear the default context. */
- pD3DDefault = (PD3DMESACONTEXT)ALLOC( sizeof(D3DMESACONTEXT) );
- if ( pD3DDefault == NULL )
- return FALSE;
- memset( pD3DDefault, 0, sizeof(D3DMESACONTEXT) );
-
- /* Clear the D3D vertex buffer so that values not used will be zero. This */
- /* save me from some redundant work. */
- memset( &D3DTLVertices, 0, sizeof(D3DTLVertices) );
-
- /* Update the link. We uses a circular list so that it is easy to */
- /* add and search. This context will also be used for head and tail.*/
- pD3DDefault->next = pD3DDefault;
-
- /*========================================================================*/
- /* Do all core Mesa stuff. */
- /*========================================================================*/
- pD3DDefault->gl_visual = _mesa_create_visual( TRUE,
- FALSE, /* db_flag */
- GL_FALSE, /* stereo */
- 8,8,8,8, /* r, g, b, a bits */
- 0, /* index bits */
- 16, /* depth_bits */
- 8, /* stencil_bits */
- 8,8,8,8, /* accum_bits */
- 1 );
-
- if ( pD3DDefault->gl_visual == NULL)
- {
- FREE( pD3DDefault );
- return FALSE;
- }
-
- /* Allocate a new Mesa context */
- pD3DDefault->gl_ctx = _mesa_create_context( pD3DDefault->gl_visual, NULL, pD3DDefault, GL_TRUE );
- if ( pD3DDefault->gl_ctx == NULL )
- {
- _mesa_destroy_visual( pD3DDefault->gl_visual );
- FREE( pD3DDefault );
- return FALSE;
- }
-
- /* Allocate a new Mesa frame buffer */
- pD3DDefault->gl_buffer = _mesa_create_framebuffer( pD3DDefault->gl_visual );
- if ( pD3DDefault->gl_buffer == NULL )
- {
- _mesa_destroy_visual( pD3DDefault->gl_visual );
- _mesa_destroy_context( pD3DDefault->gl_ctx );
- FREE( pD3DDefault );
- return FALSE;
- }
- SetupDDPointers( pD3DDefault->gl_ctx );
- _mesa_make_current( pD3DDefault->gl_ctx, pD3DDefault->gl_buffer );
-
- return TRUE;
-}
-/*===========================================================================*/
-/* This function will create a new D3D context but will not create the D3D */
-/* surfaces or even an instance of D3D (see at GetBufferSize). The only stuff*/
-/* done here is the internal Mesa stuff and some Win32 handles. */
-/*===========================================================================*/
-/* RETURN: casted pointer to the context, NULL. */
-/*===========================================================================*/
-HGLRC APIENTRY wglCreateContext( HDC hdc )
-{
- D3DMESACONTEXT *pNewContext;
- DWORD dwCoopFlags = DDSCL_NORMAL;
- RECT rectClient;
- POINT pt;
-
- /* ALLOC and clear the new context. */
- pNewContext = (PD3DMESACONTEXT)ALLOC( sizeof(D3DMESACONTEXT) );
- if ( pNewContext == NULL )
- {
- SetLastError( 0 );
- return (HGLRC)NULL;
- }
- memset( pNewContext, 0, sizeof(D3DMESACONTEXT) );
-
- /*========================================================================*/
- /* Do all core Mesa stuff. */
- /*========================================================================*/
-
- /* TODO: support more then one visual. */
- pNewContext->gl_visual = _mesa_create_visual( TRUE,
- TRUE, /* db_flag */
- GL_FALSE, /* stereo */
- 8,8,8,8, /* r, g, b, a bits */
- 0, /* index bits */
- 16, /* depth_bits */
- 8, /* stencil_bits */
- 16,16,16,16,/* accum_bits */
- 1 );
- if ( pNewContext->gl_visual == NULL)
- {
- FREE( pNewContext );
- SetLastError( 0 );
- return (HGLRC)NULL;
- }
-
- /* Allocate a new Mesa context */
- pNewContext->gl_ctx = _mesa_create_context( pNewContext->gl_visual, NULL, pNewContext, GL_TRUE );
- if ( pNewContext->gl_ctx == NULL )
- {
- _mesa_destroy_visual( pNewContext->gl_visual );
- FREE( pNewContext );
- SetLastError( 0 );
- return (HGLRC)NULL;
- }
-
- /* Allocate a new Mesa frame buffer */
- pNewContext->gl_buffer = _mesa_create_framebuffer( pNewContext->gl_visual );
- if ( pNewContext->gl_buffer == NULL )
- {
- _mesa_destroy_visual( pNewContext->gl_visual );
- _mesa_destroy_context( pNewContext->gl_ctx );
- FREE( pNewContext );
- SetLastError( 0 );
- return (HGLRC)NULL;
- }
-
- /*========================================================================*/
- /* Do all the driver stuff. */
- /*========================================================================*/
- pNewContext->hdc = hdc;
- pNewContext->next = pD3DDefault->next;
- pD3DDefault->next = pNewContext; /* Add to circular list. */
-
- /* Create the HAL for the new context. */
- pNewContext->pShared = InitHAL( WindowFromDC(hdc) );
-
- return (HGLRC)pNewContext;
-}
-/*===========================================================================*/
-/* This is a wrapper function that is supported by MakeCurrent. */
-/*===========================================================================*/
-/* RETURN: TRUE, FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY wglMakeCurrent( HDC hdc, HGLRC hglrc )
-{
- return MakeCurrent((D3DMESACONTEXT *)hglrc);
-}
-/*===========================================================================*/
-/* MakeCurrent will unbind whatever context is current (if any) & then bind */
-/* the supplied context. A context that is bound has it's window proc hooked*/
-/* with the wglMonitorProc and the context pointer is saved in pD3DCurrent. */
-/* Once the context is bound we update the Mesa-3.0 hooks (SetDDPointers) and*/
-/* the viewport (Mesa-.30 and DX6). */
-/* */
-/* TODO: this function can't fail. */
-/*===========================================================================*/
-/* RETURN: TRUE */
-/*===========================================================================*/
-static BOOL MakeCurrent( D3DMESACONTEXT *pContext )
-{
- D3DMESACONTEXT *pNext;
-
- /*====================================================================*/
- /* This is a special case that is a request to have no context bound. */
- /*====================================================================*/
- if ( pContext == NULL )
- {
- /* Walk the whole list. We start and end at the Default context. */
- for( pNext = pD3DDefault->next; pNext != pD3DDefault; pNext = pNext->next )
- UnBindWindow( pNext );
-
- return TRUE;
- }
-
- /*=================================================*/
- /* Make for a fast redundant use of this function. */
- /*=================================================*/
- if ( pD3DCurrent == pContext )
- return TRUE;
-
- /*=============================*/
- /* Unbind the current context. */
- /*=============================*/
- UnBindWindow( pD3DCurrent );
-
- /*=====================================*/
- /* Let Mesa-3.0 we have a new context. */
- /*=====================================*/
- SetupDDPointers( pContext->gl_ctx );
- _mesa_make_current( pContext->gl_ctx, pContext->gl_buffer );
-
- /* We are done so set the internal current context. */
- if ( pContext != pD3DDefault )
- {
- ResizeContext( pContext->gl_ctx );
- pContext->hOldProc = (WNDPROC)GetWindowLong( pContext->pShared->hwnd, GWL_WNDPROC );
- SetWindowLong( pContext->pShared->hwnd, GWL_WNDPROC, (LONG)wglMonitorProc );
- }
- pD3DCurrent = pContext;
-
- return TRUE;
-}
-/*===========================================================================*/
-/* This function will only return the current window size. I have re-done */
-/* this function so that it doesn't check the current size and react to it as*/
-/* I should be able to have all the react code in the WM_SIZE message. The */
-/* old version would check the current window size and create/resize the HAL */
-/* surfaces if they have changed. I needed to delay the creation if the */
-/* surfaces because sometimes I wouldn't have a window size so this is where */
-/* I delayed it. If you are reading this then all went ok! */
-/* The default context will return a zero sized window and I'm not sure if */
-/* this is ok at this point (TODO). */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static void GetBufferSize( GLcontext *ctx, GLuint *width, GLuint *height )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
-
- /* Fall through for the default because that is one of the uses for it. */
- if ( pContext == pD3DDefault )
- {
- *width = 0;
- *height = 0;
- }
- else
- {
- *width = pContext->pShared->dwWidth;
- *height = pContext->pShared->dwHeight;
- }
-}
-/*===========================================================================*/
-/* */
-/* */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static BOOL ResizeContext( GLcontext *ctx )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx,
- *pCurrentTemp;
- RECT rectClient;
- POINT pt;
- DWORD dwWidth,
- dwHeight;
- static BOOL bDDrawLock = FALSE;
-
- /* Make sure we have some values. */
- if ( (pContext->hdc == NULL ) ||
- (pContext->pShared->hwnd != WindowFromDC(pContext->hdc)) ||
- (pContext == pD3DDefault) )
- return FALSE;
-
- /* Having problems with DDraw sending resize messages before I was done. */
- if( bDDrawLock == TRUE )
- return FALSE;
-
- // TODO: don't think I need this anymore.
- pCurrentTemp = pD3DCurrent;
- pD3DCurrent = pD3DDefault;
- bDDrawLock = TRUE;
-
- /* Get the current window dimentions. */
- UpdateScreenPosHAL( pContext->pShared );
- dwWidth = pContext->pShared->rectW.right - pContext->pShared->rectW.left;
- dwHeight = pContext->pShared->rectW.bottom - pContext->pShared->rectW.top;
-
- /* Is the size of the OffScreen Render different? */
- if ( (dwWidth != pContext->pShared->dwWidth) || (dwHeight != pContext->pShared->dwHeight) )
- {
- /* Create all the D3D surfaces and device. */
- CreateHAL( pContext->pShared );
-
- /* I did this so that software rendering would still work as */
- /* I don't need to scale the z values twice. */
- g_DepthScale = (pContext->pShared->bHardware) ? 1.0 : ((float)0x00FFFFFF);
- g_MaxDepth = (pContext->pShared->bHardware) ? 1.0 : ((float)0x00FFFFFF);
- gl_DepthRange( pContext->gl_ctx, ctx->Viewport.Near, ctx->Viewport.Far );
-
- /* Make sure we have a viewport. */
- gl_Viewport( pContext->gl_ctx, 0, 0, dwWidth, dwHeight );
-
- /* Update Mesa as we might have changed from SW <-> HW. */
- SetupDDPointers( pContext->gl_ctx );
- _mesa_make_current( pContext->gl_ctx, pContext->gl_buffer );
-
- /* If we are in HW we need to load the current texture if there is one already. */
- // if ( (ctx->Texture.Set[ctx->Texture.CurrentSet].Current != NULL) &&
- // (pContext->pShared->bHardware == TRUE) )
- // {
- // CreateTMgrHAL( pContext->pShared,
- // ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Name,
- // 0,
- // ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0]->Format,
- // (RECT *)NULL,
- // ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0]->Width,
- // ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0]->Height,
- // TM_ACTION_BIND,
- // (void *)ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0]->Data );
- // }
- }
-
- // TODO: don't think I need this anymore.
- pD3DCurrent = pCurrentTemp;
- bDDrawLock = FALSE;
-
- return TRUE;
-}
-
-/*===========================================================================*
-/* This function will Blt the render buffer to the PRIMARY surface. I repeat*/
-/* this code for the other SwapBuffer like functions and the flush (didn't */
-/* want the function calling overhead). Thsi could have been a macro... */
-/* */
-/* TODO: there are some problems with viewport/scissoring. */
-/*===========================================================================*/
-/* RETURN: TRUE, FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY wglSwapBuffers( HDC hdc )
-{
- /* Fall through for the default because that is one of the uses for it. */
- if ( pD3DCurrent == pD3DDefault )
- return FALSE;
-
- SwapBuffersHAL( pD3DCurrent->pShared );
-
- return TRUE;
-}
-/*===========================================================================*/
-/* Same as wglSwapBuffers. */
-/*===========================================================================*/
-/* RETURN: TRUE, FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY SwapBuffers( HDC hdc )
-{
- /* Fall through for the default because that is one of the uses for it. */
- if ( pD3DCurrent == pD3DDefault )
- return FALSE;
-
- SwapBuffersHAL( pD3DCurrent->pShared );
-
- return TRUE;
-}
-/*===========================================================================*/
-/* This should be ok as none of the SwapBuffers will cause a redundant Blt */
-/* as none of my Swap functions will call flush. This should also allow */
-/* sinlge buffered applications to work (not really worried though). Some */
-/* applications may flush then swap but then this is there fault IMHO. */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static void Flush( GLcontext *ctx )
-{
- /* Fall through for the default because that is one of the uses for it. */
- if ( pD3DCurrent == pD3DDefault )
- return;
-
- SwapBuffersHAL( pD3DCurrent->pShared );
-}
-/*===========================================================================*/
-/* For now this function will ignore the supplied PF. If I'm going to allow */
-/* the user to choice the mode and device at startup I'm going to have to do */
-/* something different. */
-/* */
-/* TODO: use the linked list of modes to build a pixel format to be returned */
-/* to the caller. */
-/*===========================================================================*/
-/* RETURN: 1. */
-/*===========================================================================*/
-int APIENTRY wglChoosePixelFormat( HDC hdc, CONST PIXELFORMATDESCRIPTOR *ppfd )
-{
- return 1;
-}
-/*===========================================================================*/
-/* See wglChoosePixelFormat. */
-/*===========================================================================*/
-/* RETURN: 1. */
-/*===========================================================================*/
-int APIENTRY ChoosePixelFormat( HDC hdc, CONST PIXELFORMATDESCRIPTOR *ppfd )
-{
- return wglChoosePixelFormat(hdc,ppfd);
-}
-/*===========================================================================*/
-/* This function (for now) returns a static PF everytime. This is just to */
-/* allow things to continue. */
-/*===========================================================================*/
-/* RETURN: 1. */
-/*===========================================================================*/
-int APIENTRY wglDescribePixelFormat( HDC hdc, int iPixelFormat, UINT nBytes, LPPIXELFORMATDESCRIPTOR ppfd )
-{
- static PIXELFORMATDESCRIPTOR pfd =
- {
- sizeof(PIXELFORMATDESCRIPTOR), /* size */
- 1, /* version */
- PFD_SUPPORT_OPENGL |
- PFD_DRAW_TO_WINDOW |
- PFD_DOUBLEBUFFER, /* support double-buffering */
- PFD_TYPE_RGBA, /* color type */
- 16, /* prefered color depth */
- 0, 0, 0, 0, 0, 0, /* color bits (ignored) */
- 0, /* no alpha buffer */
- 0, /* alpha bits (ignored) */
- 0, /* no accumulation buffer */
- 0, 0, 0, 0, /* accum bits (ignored) */
- 16, /* depth buffer */
- 0, /* no stencil buffer */
- 0, /* no auxiliary buffers */
- PFD_MAIN_PLANE, /* main layer */
- 0, /* reserved */
- 0, 0, 0, /* no layer, visible, damage masks */
- };
-
- /* Return the address of this static PF if one was requested. */
- if ( ppfd != NULL )
- memcpy( ppfd, &pfd, sizeof(PIXELFORMATDESCRIPTOR) );
-
- return 1;
-}
-/*===========================================================================*/
-/* See wglDescribePixelFormat. */
-/*===========================================================================*/
-/* RETURN: 1. */
-/*===========================================================================*/
-int APIENTRY DescribePixelFormat( HDC hdc, int iPixelFormat, UINT nBytes, LPPIXELFORMATDESCRIPTOR ppfd )
-{
- return wglDescribePixelFormat(hdc,iPixelFormat,nBytes,ppfd);
-}
-/*===========================================================================*/
-/* This function will always return 1 for now. Just to allow for support. */
-/*===========================================================================*/
-/* RETURN: 1. */
-/*===========================================================================*/
-int APIENTRY wglGetPixelFormat( HDC hdc )
-{
- return 1;
-}
-/*===========================================================================*/
-/* See wglGetPixelFormat. */
-/*===========================================================================*/
-/* RETURN: 1. */
-/*===========================================================================*/
-int APIENTRY GetPixelFormat( HDC hdc )
-{
- return wglGetPixelFormat(hdc);
-}
-/*===========================================================================*/
-/* This will aways work for now. */
-/*===========================================================================*/
-/* RETURN: TRUE. */
-/*===========================================================================*/
-BOOL APIENTRY wglSetPixelFormat( HDC hdc, int iPixelFormat, CONST PIXELFORMATDESCRIPTOR *ppfd )
-{
- return TRUE;
-}
-/*===========================================================================*/
-/* See wglSetPixelFormat. */
-/*===========================================================================*/
-/* RETURN: TRUE, FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY SetPixelFormat( HDC hdc, int iPixelFormat, CONST PIXELFORMATDESCRIPTOR *ppfd )
-{
- return wglSetPixelFormat(hdc,iPixelFormat,ppfd);
-}
-/*===========================================================================*/
-/* This is a wrapper function that is supported by my own internal function.*/
-/* that takes my own D3D Mesa context structure. This so I can reuse the */
-/* function (no need for speed). */
-/*===========================================================================*/
-/* RETURN: TRUE. */
-/*===========================================================================*/
-BOOL APIENTRY wglDeleteContext( HGLRC hglrc )
-{
- DestroyContext( (D3DMESACONTEXT *)hglrc );
-
- return TRUE;
-}
-/*===========================================================================*/
-/* Simple getter function that uses a cast. */
-/*===========================================================================*/
-/* RETURN: casted pointer to the context, NULL. */
-/*===========================================================================*/
-HGLRC APIENTRY wglGetCurrentContext( VOID )
-{
- return (pD3DCurrent) ? (HGLRC)pD3DCurrent : (HGLRC)NULL;
-}
-/*===========================================================================*/
-/* No support. */
-/*===========================================================================*/
-/* RETURN: FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY wglCopyContext( HGLRC hglrcSrc, HGLRC hglrcDst, UINT mask )
-{
- SetLastError( 0 );
- return FALSE;
-}
-/*===========================================================================*/
-/* No support. */
-/*===========================================================================*/
-/* RETURN: NULL. */
-/*===========================================================================*/
-HGLRC APIENTRY wglCreateLayerContext( HDC hdc,int iLayerPlane )
-{
- SetLastError( 0 );
- return (HGLRC)NULL;
-}
-/*===========================================================================*/
-/* Simple getter function. */
-/*===========================================================================*/
-/* RETURN: FALSE. */
-/*===========================================================================*/
-HDC APIENTRY wglGetCurrentDC( VOID )
-{
- return (pD3DCurrent) ? pD3DCurrent->hdc : (HDC)NULL;
-}
-/*===========================================================================*/
-/* Simply call that searches the supported extensions for a match & returns */
-/* the pointer to the function that lends support. */
-/*===========================================================================*/
-/* RETURN: pointer to API call, NULL. */
-/*===========================================================================*/
-PROC APIENTRY wglGetProcAddress( LPCSTR lpszProc )
-{
- int index;
-
- for( index = 0; index < qt_ext; index++ )
- if( !strcmp(lpszProc,ext[index].name) )
- return ext[index].proc;
-
- SetLastError( 0 );
- return NULL;
-}
-/*===========================================================================*/
-/* No support. */
-/*===========================================================================*/
-/* RETURN: FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY wglShareLists( HGLRC hglrc1, HGLRC hglrc2 )
-{
- SetLastError( 0 );
- return FALSE;
-}
-/*===========================================================================*/
-/* No support. */
-/*===========================================================================*/
-/* RETURN: FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY wglUseFontBitmaps( HDC fontDevice, DWORD firstChar, DWORD numChars, DWORD listBase )
-{
- SetLastError( 0 );
- return FALSE;
-}
-/*===========================================================================*/
-/* No support. */
-/*===========================================================================*/
-/* RETURN: FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY wglUseFontBitmapsW( HDC hdc,DWORD first,DWORD count,DWORD listBase )
-{
- SetLastError( 0 );
- return FALSE;
-}
-/*===========================================================================*/
-/* No support. */
-/*===========================================================================*/
-/* RETURN: FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY wglUseFontOutlinesA( HDC hdc, DWORD first, DWORD count, DWORD listBase, FLOAT deviation, FLOAT extrusion, int format, LPGLYPHMETRICSFLOAT lpgmf )
-{
- SetLastError( 0 );
- return FALSE;
-}
-/*===========================================================================*/
-/* No support. */
-/*===========================================================================*/
-/* RETURN: FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY wglUseFontOutlinesW( HDC hdc,DWORD first,DWORD count, DWORD listBase,FLOAT deviation, FLOAT extrusion,int format, LPGLYPHMETRICSFLOAT lpgmf )
-{
- SetLastError( 0 );
- return FALSE ;
-}
-/*===========================================================================*/
-/* No support. */
-/*===========================================================================*/
-/* RETURN: FALSE. */
-/*===========================================================================*/
-BOOL APIENTRY wglSwapLayerBuffers( HDC hdc, UINT fuPlanes )
-{
- SetLastError( 0 );
- return FALSE;
-}
-/*===========================================================================*/
-/* This function will be hooked into the window that has been bound. Right */
-/* now it is used to track the window size and position. Also the we clean */
-/* up the currrent context when the window is close/destroyed. */
-/* */
-/* TODO: there might be something wrong here as some games (Heretic II) don't*/
-/* track the window quit right. */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-LONG APIENTRY wglMonitorProc( HWND hwnd, UINT message, UINT wParam, LONG lParam )
-{
- WNDPROC hOldProc;
- GLint width,
- height;
-
- switch( message )
- {
-// case WM_PAINT:
-// break;
-// case WM_ACTIVATE:
-// break;
-// case WM_SHOWWINDOW:
-// break;
-
- case UM_FATALSHUTDOWN:
- /* Support the API until we die... */
- MakeCurrent( pD3DDefault );
- break;
-
- case WM_MOVE:
- case WM_DISPLAYCHANGE:
- case WM_SIZE:
- ResizeContext( pD3DCurrent->gl_ctx );
- break;
-
- case WM_CLOSE:
- case WM_DESTROY:
- /* Support the API until we die... */
- hOldProc = pD3DCurrent->hOldProc;
- DestroyContext( pD3DCurrent );
- return (hOldProc)(hwnd,message,wParam,lParam);
- }
-
- return (pD3DCurrent->hOldProc)(hwnd,message,wParam,lParam);
-}
-
-/**********************************************************************/
-/***** Miscellaneous device driver funcs *****/
-/**********************************************************************/
-
-/*===========================================================================*/
-/* Not reacting to this as I'm only supporting drawing to the back buffer */
-/* right now. */
-/*===========================================================================*/
-/* RETURN: TRUE. */
-/*===========================================================================*/
-static GLboolean SetBuffer( GLcontext *ctx, GLenum buffer )
-{
- if (buffer == GL_BACK_LEFT)
- return GL_TRUE;
- else
- return GL_FALSE;
-}
-/*===========================================================================*/
-/* This proc will be called by Mesa when the viewport has been set. So if */
-/* we have a context and it isn't the default then we should let D3D know of */
-/* the change. */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static void SetViewport( GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
- RECT rect;
-
- /* Make sure we can set a viewport. */
- if ( pContext->pShared && (pContext != pD3DDefault) )
- {
- // TODO: might be needed.
- UpdateScreenPosHAL( pContext->pShared );
- rect.left = x;
- rect.right = x + w;
- rect.top = y;
- rect.bottom = y + h;
-
- // TODO: shared struct should make this call smaller
- SetViewportHAL( pContext->pShared, &rect, 0.0F, 1.0F );
- }
-}
-/*===========================================================================*/
-/* This function could be better I guess but I decided just to grab the four*/
-/* components and store then seperately. Makes it easier to use IMHO. */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static void ClearColor( GLcontext *ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
-
- pContext->aClear = a;
- pContext->bClear = b;
- pContext->gClear = g;
- pContext->rClear = r;
-}
-/*===========================================================================*/
-/* This function could be better I guess but I decided just to grab the four*/
-/* components and store then seperately. Makes it easier to use IMHO. */
-/* (is there an echo in here?) */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static void SetColor( GLcontext *ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
-
- pContext->aCurrent = a;
- pContext->bCurrent = b;
- pContext->gCurrent = g;
- pContext->rCurrent = r;
-}
-/*===========================================================================*/
-/* */
-/* */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static const char *RendererString( void )
-{
- static char pszRender[64];
-
- strcpy( pszRender, "altD3D " );
-
- if ( pD3DCurrent->pShared->bHardware )
- strcat( pszRender, "(HW)");
- else
- strcat( pszRender, "(SW)");
-
- return (const char *)pszRender;
-}
-/*===========================================================================*/
-/* This function will choose which set of pointers Mesa will use based on */
-/* whether we hard using hardware or software. I have added another set of */
-/* pointers that will do nothing but stop the API from crashing. */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static void SetupDDPointers( GLcontext *ctx )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
-
- // TODO: write a generic NULL support for the span render.
- if ( pContext->pShared && pContext->pShared->bHardware )
- {
- ctx->Driver.UpdateState = SetupHWDDPointers;
- }
- else if ( pContext == pD3DDefault )
- {
- ctx->Driver.UpdateState = SetupNULLDDPointers;
- }
- else
- {
- ctx->Driver.UpdateState = SetupSWDDPointers;
- }
-}
-/*===========================================================================*/
-/* This function will populate all the Mesa driver hooks. This version of */
-/* hooks will do nothing but support the API when we don't have a valid */
-/* context bound. This is mostly for applications that don't behave right */
-/* and also to help exit as clean as possable when we have a FatalError. */
-/*===========================================================================*/
-/* RETURN: pointer to the specific function. */
-/*===========================================================================*/
-static void SetupNULLDDPointers( GLcontext *ctx )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
-
- /* Initialize all the pointers in the DD struct. Do this whenever */
- /* a new context is made current or we change buffers via set_buffer! */
- ctx->Driver.UpdateState = SetupNULLDDPointers;
-
- /* State management hooks. */
- ctx->Driver.Color = NULLSetColor;
- ctx->Driver.ClearColor = NULLClearColor;
- ctx->Driver.Clear = NULLClearBuffers;
- ctx->Driver.SetBuffer = NULLSetBuffer;
-
- /* Window management hooks. */
- ctx->Driver.GetBufferSize = NULLGetBufferSize;
-
- /* Primitive rendering hooks. */
- ctx->Driver.TriangleFunc = NULL;
- ctx->Driver.RenderVB = NULL;
-
- /* Pixel/span writing functions: */
- ctx->Driver.WriteRGBASpan = NULLWrSpRGBA;
- ctx->Driver.WriteRGBSpan = NULLWrSpRGB;
- ctx->Driver.WriteMonoRGBASpan = NULLWrSpRGBAMono;
- ctx->Driver.WriteRGBAPixels = NULLWrPiRGBA;
- ctx->Driver.WriteMonoRGBAPixels = NULLWrPiRGBAMono;
-
- /* Pixel/span reading functions: */
- ctx->Driver.ReadRGBASpan = NULLReSpRGBA;
- ctx->Driver.ReadRGBAPixels = NULLRePiRGBA;
-
- /* Misc. hooks. */
- ctx->Driver.RendererString = RendererString;
-}
-/*===========================================================================*/
-/* This function will populate all the Mesa driver hooks. There are two of */
-/* these functions. One if we have hardware support and one is there is only*/
-/* software. These functions will be called by Mesa and by the wgl.c when we*/
-/* have resized (or created) the buffers. The thing is that if a window gets*/
-/* resized we may loose hardware support or gain it... */
-/*===========================================================================*/
-/* RETURN: pointer to the specific function. */
-/*===========================================================================*/
-static void SetupSWDDPointers( GLcontext *ctx )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
-
- /* Initialize all the pointers in the DD struct. Do this whenever */
- /* a new context is made current or we change buffers via set_buffer! */
- ctx->Driver.UpdateState = SetupSWDDPointers;
-
- /* State management hooks. */
- ctx->Driver.Color = SetColor;
- ctx->Driver.ClearColor = ClearColor;
- ctx->Driver.Clear = ClearBuffers;
- ctx->Driver.SetBuffer = SetBuffer;
-
- /* Window management hooks. */
- ctx->Driver.GetBufferSize = GetBufferSize;
- ctx->Driver.Viewport = SetViewport;
-
- /* Primitive rendering hooks. */
- ctx->Driver.TriangleFunc = NULL;
- ctx->Driver.RenderVB = NULL;
-
- /* Texture management hooks. */
-
- /* Pixel/span writing functions: */
- ctx->Driver.WriteRGBASpan = WSpanRGBA;
- ctx->Driver.WriteRGBSpan = WSpanRGB;
- ctx->Driver.WriteMonoRGBASpan = WSpanRGBAMono;
- ctx->Driver.WriteRGBAPixels = WPixelsRGBA;
- ctx->Driver.WriteMonoRGBAPixels = WPixelsRGBAMono;
-
- /* Pixel/span reading functions: */
- ctx->Driver.ReadRGBASpan = RSpanRGBA;
- ctx->Driver.ReadRGBAPixels = RPixelsRGBA;
-
- /* Misc. hooks. */
- ctx->Driver.Flush = Flush;
- ctx->Driver.RendererString = RendererString;
-}
-/*===========================================================================*/
-/* This function will populate all the Mesa driver hooks. There are two of */
-/* these functions. One if we have hardware support and one is there is only*/
-/* software. These functions will be called by Mesa and by the wgl.c when we*/
-/* have resized (or created) the buffers. The thing is that if a window gets*/
-/* resized we may loose hardware support or gain it... */
-/*===========================================================================*/
-/* RETURN: pointer to the specific function. */
-/*===========================================================================*/
-static void SetupHWDDPointers( GLcontext *ctx )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
-
- /* Initialize all the pointers in the DD struct. Do this whenever */
- /* a new context is made current or we change buffers via set_buffer! */
- ctx->Driver.UpdateState = SetupHWDDPointers;
-
- /* State management hooks. */
- ctx->Driver.Color = SetColor;
- ctx->Driver.ClearColor = ClearColor;
- ctx->Driver.Clear = ClearBuffersD3D;
- ctx->Driver.SetBuffer = SetBuffer;
-
- /* Window management hooks. */
- ctx->Driver.GetBufferSize = GetBufferSize;
- ctx->Driver.Viewport = SetViewport;
-
- /* Primitive rendering hooks. */
- ctx->Driver.TriangleFunc = RenderOneTriangle;
- ctx->Driver.LineFunc = RenderOneLine;
- ctx->Driver.RenderVB = RenderVertexBuffer;
-
- /* Pixel/span writing functions: */
- ctx->Driver.WriteRGBASpan = WSpanRGBA;
- ctx->Driver.WriteRGBSpan = WSpanRGB;
- ctx->Driver.WriteMonoRGBASpan = WSpanRGBAMono;
- ctx->Driver.WriteRGBAPixels = WPixelsRGBA;
- ctx->Driver.WriteMonoRGBAPixels = WPixelsRGBAMono;
-
- /* Pixel/span reading functions: */
- ctx->Driver.ReadRGBASpan = RSpanRGBA;
- ctx->Driver.ReadRGBAPixels = RPixelsRGBA;
-
- /* Texture management hooks. */
- // ctx->Driver.BindTexture = TextureBind;
- ctx->Driver.TexImage = TextureLoad;
- ctx->Driver.TexSubImage = TextureSubImage;
-
- /* Misc. hooks. */
- ctx->Driver.Flush = Flush;
- ctx->Driver.RendererString = RendererString;
-}
-/*===========================================================================*/
-/* This function will release all resources used by the DLL. Every context */
-/* will be clobbered by releaseing all driver desources and then freeing the */
-/* context memory. Most all the work is done in DestroyContext. */
-/*===========================================================================*/
-/* RETURN: TRUE. */
-/*===========================================================================*/
-static BOOL TermOpenGL( HINSTANCE hInst )
-{
- D3DMESACONTEXT *pTmp,
- *pNext;
-
- /* Just incase we are still getting paint msg. */
- MakeCurrent( pD3DDefault );
-
- /* Walk the list until we get back to the default context. */
- for( pTmp = pD3DDefault->next; pTmp != pD3DDefault; pTmp = pNext )
- {
- pNext = pTmp->next;
- DestroyContext( pTmp );
- }
- DestroyContext( pD3DDefault );
-
- return TRUE;
-}
-/*===========================================================================*/
-/* This function is an internal function that will clean up all the Mesa */
-/* context bound to this D3D context. Also any D3D stuff that this context */
-/* uses will be unloaded. */
-/*===========================================================================*/
-/* RETURN: TRUE, FALSE. */
-/*===========================================================================*/
-static void DestroyContext( D3DMESACONTEXT *pContext )
-{
- D3DMESACONTEXT *pTmp;
-
- /* Walk the list until we find the context before this one. */
- for( pTmp = pD3DDefault; pTmp && (pTmp->next != pContext); pTmp = pTmp->next )
- if ( pTmp == pTmp->next )
- break;
-
- /* If we never found it it must already be deleted. */
- if ( pTmp->next != pContext )
- return;
-
- /* Make sure we are not using this context. */
- if ( pContext == pD3DCurrent )
- MakeCurrent( pD3DDefault );
-
- /* Free the Mesa stuff. */
- if ( pContext->gl_visual )
- {
- _mesa_destroy_visual( pContext->gl_visual );
- pContext->gl_visual = NULL;
- }
- if ( pContext->gl_buffer )
- {
- _mesa_destroy_framebuffer( pContext->gl_buffer );
- pContext->gl_buffer = NULL;
- }
- if ( pContext->gl_ctx )
- {
- _mesa_destroy_context( pContext->gl_ctx );
- pContext->gl_ctx = NULL;
- }
-
- /* Now dump the D3D. */
- if ( pContext->pShared )
- TermHAL( pContext->pShared );
-
- /* Update the previous context's link. */
- pTmp->next = pContext->next;
-
- /* Gonzo. */
- FREE( pContext );
-}
-/*===========================================================================*/
-/* This function will pull the supplied context away from Win32. Basicly it*/
-/* will remove the hook from the window Proc. */
-/* */
-/* TODO: might want to serialize this stuff... */
-/*===========================================================================*/
-/* RETURN: TRUE, FALSE. */
-/*===========================================================================*/
-static BOOL UnBindWindow( D3DMESACONTEXT *pContext )
-{
- if ( pContext == NULL )
- return FALSE;
-
- if ( pContext == pD3DDefault )
- return TRUE;
-
- /* Make sure we always have a context bound. */
- if ( pContext == pD3DCurrent )
- pD3DCurrent = pD3DDefault;
-
- SetWindowLong( pContext->pShared->hwnd, GWL_WNDPROC, (LONG)pContext->hOldProc );
- pContext->hOldProc = NULL;
-
- return TRUE;
-}
-/*===========================================================================*/
-/* There are two cases that allow for a faster clear when we know that the */
-/* whole buffer is cleared and that there is no clipping. */
-/*===========================================================================*/
-/* RETURN: the original mask with the bits cleared that represents the buffer*
-/* or buffers we just cleared. */
-/*===========================================================================*/
-GLbitfield ClearBuffersD3D( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
- DWORD dwFlags = 0;
-
- if ( mask & GL_COLOR_BUFFER_BIT )
- {
- dwFlags |= D3DCLEAR_TARGET;
- mask &= ~GL_COLOR_BUFFER_BIT;
- }
- if ( mask & GL_DEPTH_BUFFER_BIT )
- {
- dwFlags |= D3DCLEAR_ZBUFFER;
- mask &= ~GL_DEPTH_BUFFER_BIT;
- }
- if ( dwFlags == 0 )
- return mask;
-
- ClearHAL( pContext->pShared,
- dwFlags,
- all,
- x, y,
- width, height,
- ((pContext->aClear<<24) | (pContext->rClear<<16) | (pContext->gClear<<8) | (pContext->bClear)),
- ctx->Depth.Clear,
- 0 );
-
- return mask;
-}
-
-
-
-/*===========================================================================*/
-/* TEXTURE MANAGER: ok here is how I did textures. Mesa-3.0 will keep track*/
-/* of all the textures for us. So this means that at anytime we can go to */
-/* the Mesa context and get the current texture. With this in mind this is */
-/* what I did. I really don't care about what textures get or are loaded */
-/* until I actually have to draw a tri that is textured. At this point I */
-/* must have the texture so I demand the texture by destorying all other */
-/* texture surfaces if need be and load the current one. This allows for the*/
-/* best preformance on low memory cards as time is not wasted loading and */
-/* unload textures. */
-/*===========================================================================*/
-
-
-
-
-
-/*===========================================================================*/
-/* TextureLoad will try and create a D3D surface from the supplied texture */
-/* object if its level 0 (first). The surface will be fully filled with the */
-/* texture. */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static void TextureLoad( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj, GLint level, GLint internalFormat, const struct gl_texture_image *image )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
-
- /* TODO: only doing first LOD. */
- if ( (ctx->DriverCtx == NULL) || (level != 0) )
- return;
-
- CreateTMgrHAL( pContext->pShared,
- tObj->Name,
- level,
- tObj->Image[level]->Format,
- (RECT *)NULL,
- tObj->Image[level]->Width,
- tObj->Image[level]->Height,
- TM_ACTION_LOAD,
- (void *)tObj->Image[level]->Data );
-}
-/*===========================================================================*/
-/* TextureBind make sure that the texture is on the card. Thats it. */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static void TextureBind( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
-
- /* TODO: only doing first LOD. */
- if ( (tObj->Image[0] == NULL) || (ctx->DriverCtx == NULL) )
- return;
-
- CreateTMgrHAL( pContext->pShared,
- tObj->Name,
- 0,
- tObj->Image[0]->Format,
- (RECT *)NULL,
- tObj->Image[0]->Width,
- tObj->Image[0]->Height,
- TM_ACTION_BIND,
- (void *)tObj->Image[0]->Data );
-}
-/*===========================================================================*/
-/* TextureSubImage will make sure that the texture being updated is updated */
-/* if its on the card. */
-/*===========================================================================*/
-/* RETURN: */
-/*===========================================================================*/
-static void TextureSubImage( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLint internalFormat, const struct gl_texture_image *image )
-{
- D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx;
- RECT rect;
-
- /* TODO: only doing first LOD. */
- if ( (ctx->DriverCtx == NULL) || (level > 0) )
- return;
-
- /* Create a dirty rectangle structure. */
- rect.left = xoffset;
- rect.right = xoffset + width;
- rect.top = yoffset;
- rect.bottom = yoffset + height;
-
- CreateTMgrHAL( pContext->pShared,
- tObj->Name,
- 0,
- tObj->Image[0]->Format,
- &rect,
- tObj->Image[0]->Width,
- tObj->Image[0]->Height,
- TM_ACTION_UPDATE,
- (void *)tObj->Image[0]->Data );
-}
-
+/*===========================================================================*/ +/* */ +/* Mesa-3.0 Makefile for DirectX 6 */ +/* */ +/* By Leigh McRae */ +/* */ +/* http://www.altsoftware.com/ */ +/* */ +/* Copyright (c) 1998-1997 alt.software inc. All Rights Reserved */ +/*===========================================================================*/ +#include "D3DMesa.h" +/*===========================================================================*/ +/* Window managment. */ +/*===========================================================================*/ +static BOOL InitOpenGL( HINSTANCE hInst ); +static BOOL TermOpenGL( HINSTANCE hInst ); +static BOOL ResizeContext( GLcontext *ctx ); +static BOOL MakeCurrent( D3DMESACONTEXT *pContext ); +static void DestroyContext( D3DMESACONTEXT *pContext ); +static BOOL UnBindWindow( D3DMESACONTEXT *pContext ); +LONG APIENTRY wglMonitorProc( HWND hwnd, UINT message, UINT wParam, LONG lParam ); +/*===========================================================================*/ +/* Mesa hooks. */ +/*===========================================================================*/ +static void SetupDDPointers( GLcontext *ctx ); +static void SetupSWDDPointers( GLcontext *ctx ); +static void SetupHWDDPointers( GLcontext *ctx ); +static void SetupNULLDDPointers( GLcontext *ctx ); +static const char *RendererString( void ); + +/* State Management hooks. */ +static void SetColor( GLcontext *ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ); +static void ClearColor( GLcontext *ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ); +static GLboolean SetBuffer( GLcontext *ctx, GLenum buffer ); + +/* Window Management hooks. */ +static void GetBufferSize( GLcontext *ctx, GLuint *width, GLuint *height ); +static void SetViewport( GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h ); +static void Flush( GLcontext *ctx ); + +/* Span rendering hooks. */ +void WSpanRGB( const GLcontext* ctx, GLuint n, GLint x, GLint y, const GLubyte rgb[][3], const GLubyte mask[] ); +void WSpanRGBA( const GLcontext* ctx, GLuint n, GLint x, GLint y, const GLubyte rgba[][4], const GLubyte mask[] ); +void WSpanRGBAMono( const GLcontext* ctx, GLuint n, GLint x, GLint y, const GLubyte mask[] ); +void WPixelsRGBA( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], const GLubyte rgba[][4], const GLubyte mask[] ); +void WPixelsRGBAMono( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], const GLubyte mask[] ); +void RSpanRGBA( const GLcontext* ctx, GLuint n, GLint x, GLint y, GLubyte rgba[][4] ); +void RPixelsRGBA( const GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], GLubyte rgba[][4], const GLubyte mask[] ); +GLbitfield ClearBuffers( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height ); + +/* Primitve rendering hooks. */ +GLboolean RenderVertexBuffer( GLcontext *ctx, GLboolean allDone ); +void RenderOneTriangle( GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint pv ); +void RenderOneLine( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv ); +GLbitfield ClearBuffersD3D( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height ); + +/* Texture Management hooks. */ +static void TextureBind( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj ); +static void TextureLoad( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj, GLint level, GLint internalFormat, const struct gl_texture_image *image ); +static void TextureSubImage( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLint internalFormat, const struct gl_texture_image *image ); +/*===========================================================================*/ +/* Global variables. */ +/*===========================================================================*/ +D3DMESACONTEXT *pD3DCurrent, + *pD3DDefault; /* Thin support context. */ + +struct __extensions__ ext[] = { + + { (PROC)glPolygonOffsetEXT, "glPolygonOffsetEXT" }, + { (PROC)glBlendEquationEXT, "glBlendEquationEXT" }, + { (PROC)glBlendColorEXT, "glBlendColorExt" }, + { (PROC)glVertexPointerEXT, "glVertexPointerEXT" }, + { (PROC)glNormalPointerEXT, "glNormalPointerEXT" }, + { (PROC)glColorPointerEXT, "glColorPointerEXT" }, + { (PROC)glIndexPointerEXT, "glIndexPointerEXT" }, + { (PROC)glTexCoordPointerEXT, "glTexCoordPointer" }, + { (PROC)glEdgeFlagPointerEXT, "glEdgeFlagPointerEXT" }, + { (PROC)glGetPointervEXT, "glGetPointervEXT" }, + { (PROC)glArrayElementEXT, "glArrayElementEXT" }, + { (PROC)glDrawArraysEXT, "glDrawArrayEXT" }, + { (PROC)glAreTexturesResidentEXT, "glAreTexturesResidentEXT" }, + { (PROC)glBindTextureEXT, "glBindTextureEXT" }, + { (PROC)glDeleteTexturesEXT, "glDeleteTexturesEXT" }, + { (PROC)glGenTexturesEXT, "glGenTexturesEXT" }, + { (PROC)glIsTextureEXT, "glIsTextureEXT" }, + { (PROC)glPrioritizeTexturesEXT, "glPrioritizeTexturesEXT" }, + { (PROC)glCopyTexSubImage3DEXT, "glCopyTexSubImage3DEXT" }, + { (PROC)glTexImage3DEXT, "glTexImage3DEXT" }, + { (PROC)glTexSubImage3DEXT, "glTexSubImage3DEXT" }, +}; + +int qt_ext = sizeof(ext) / sizeof(ext[0]); +float g_DepthScale, + g_MaxDepth; +/*===========================================================================*/ +/* When a process loads this DLL we will setup the linked list for context */ +/* management and create a default context that will support the API until */ +/* the user creates and binds thier own. This THIN default context is useful*/ +/* to have around. */ +/* When the process terminates we will clean up all resources here. */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY DllMain( HINSTANCE hInst, DWORD reason, LPVOID reserved ) +{ + switch( reason ) + { + case DLL_PROCESS_ATTACH: + return InitOpenGL( hInst ); + + case DLL_PROCESS_DETACH: + return TermOpenGL( hInst ); + } + + return TRUE; +} +/*===========================================================================*/ +/* The first thing we do when this dll is hit is connect to the dll that has*/ +/* handles all the DirectX 6 rendering. I decided to use another dll as DX6 */ +/* is all C++ and Mesa-3.0 is C (thats a good thing). This way I can write */ +/* the DX6 in C++ and Mesa-3.0 in C without having to worry about linkage. */ +/* I feel this is easy and better then using static wrappers as it is likely */ +/* faster and it allows me to just develope the one without compiling the */ +/* other. */ +/* NOTE that at this point we don't have much other than a very thin context*/ +/* that will support the API calls only to the point of not causing the app */ +/* to crash from the API table being empty. */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +static BOOL InitOpenGL( HINSTANCE hInst ) +{ + /* Allocate and clear the default context. */ + pD3DDefault = (PD3DMESACONTEXT)ALLOC( sizeof(D3DMESACONTEXT) ); + if ( pD3DDefault == NULL ) + return FALSE; + memset( pD3DDefault, 0, sizeof(D3DMESACONTEXT) ); + + /* Clear the D3D vertex buffer so that values not used will be zero. This */ + /* save me from some redundant work. */ + memset( &D3DTLVertices, 0, sizeof(D3DTLVertices) ); + + /* Update the link. We uses a circular list so that it is easy to */ + /* add and search. This context will also be used for head and tail.*/ + pD3DDefault->next = pD3DDefault; + + /*========================================================================*/ + /* Do all core Mesa stuff. */ + /*========================================================================*/ + pD3DDefault->gl_visual = _mesa_create_visual( TRUE, + FALSE, /* db_flag */ + GL_FALSE, /* stereo */ + 8,8,8,8, /* r, g, b, a bits */ + 0, /* index bits */ + 16, /* depth_bits */ + 8, /* stencil_bits */ + 8,8,8,8, /* accum_bits */ + 1 ); + + if ( pD3DDefault->gl_visual == NULL) + { + FREE( pD3DDefault ); + return FALSE; + } + + /* Allocate a new Mesa context */ + pD3DDefault->gl_ctx = _mesa_create_context( pD3DDefault->gl_visual, NULL, pD3DDefault, GL_TRUE ); + if ( pD3DDefault->gl_ctx == NULL ) + { + _mesa_destroy_visual( pD3DDefault->gl_visual ); + FREE( pD3DDefault ); + return FALSE; + } + + /* Allocate a new Mesa frame buffer */ + pD3DDefault->gl_buffer = _mesa_create_framebuffer( pD3DDefault->gl_visual ); + if ( pD3DDefault->gl_buffer == NULL ) + { + _mesa_destroy_visual( pD3DDefault->gl_visual ); + _mesa_destroy_context( pD3DDefault->gl_ctx ); + FREE( pD3DDefault ); + return FALSE; + } + SetupDDPointers( pD3DDefault->gl_ctx ); + _mesa_make_current( pD3DDefault->gl_ctx, pD3DDefault->gl_buffer ); + + return TRUE; +} +/*===========================================================================*/ +/* This function will create a new D3D context but will not create the D3D */ +/* surfaces or even an instance of D3D (see at GetBufferSize). The only stuff*/ +/* done here is the internal Mesa stuff and some Win32 handles. */ +/*===========================================================================*/ +/* RETURN: casted pointer to the context, NULL. */ +/*===========================================================================*/ +HGLRC APIENTRY wglCreateContext( HDC hdc ) +{ + D3DMESACONTEXT *pNewContext; + DWORD dwCoopFlags = DDSCL_NORMAL; + RECT rectClient; + POINT pt; + + /* ALLOC and clear the new context. */ + pNewContext = (PD3DMESACONTEXT)ALLOC( sizeof(D3DMESACONTEXT) ); + if ( pNewContext == NULL ) + { + SetLastError( 0 ); + return (HGLRC)NULL; + } + memset( pNewContext, 0, sizeof(D3DMESACONTEXT) ); + + /*========================================================================*/ + /* Do all core Mesa stuff. */ + /*========================================================================*/ + + /* TODO: support more then one visual. */ + pNewContext->gl_visual = _mesa_create_visual( TRUE, + TRUE, /* db_flag */ + GL_FALSE, /* stereo */ + 8,8,8,8, /* r, g, b, a bits */ + 0, /* index bits */ + 16, /* depth_bits */ + 8, /* stencil_bits */ + 16,16,16,16,/* accum_bits */ + 1 ); + if ( pNewContext->gl_visual == NULL) + { + FREE( pNewContext ); + SetLastError( 0 ); + return (HGLRC)NULL; + } + + /* Allocate a new Mesa context */ + pNewContext->gl_ctx = _mesa_create_context( pNewContext->gl_visual, NULL, pNewContext, GL_TRUE ); + if ( pNewContext->gl_ctx == NULL ) + { + _mesa_destroy_visual( pNewContext->gl_visual ); + FREE( pNewContext ); + SetLastError( 0 ); + return (HGLRC)NULL; + } + + /* Allocate a new Mesa frame buffer */ + pNewContext->gl_buffer = _mesa_create_framebuffer( pNewContext->gl_visual ); + if ( pNewContext->gl_buffer == NULL ) + { + _mesa_destroy_visual( pNewContext->gl_visual ); + _mesa_destroy_context( pNewContext->gl_ctx ); + FREE( pNewContext ); + SetLastError( 0 ); + return (HGLRC)NULL; + } + + /*========================================================================*/ + /* Do all the driver stuff. */ + /*========================================================================*/ + pNewContext->hdc = hdc; + pNewContext->next = pD3DDefault->next; + pD3DDefault->next = pNewContext; /* Add to circular list. */ + + /* Create the HAL for the new context. */ + pNewContext->pShared = InitHAL( WindowFromDC(hdc) ); + + return (HGLRC)pNewContext; +} +/*===========================================================================*/ +/* This is a wrapper function that is supported by MakeCurrent. */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY wglMakeCurrent( HDC hdc, HGLRC hglrc ) +{ + return MakeCurrent((D3DMESACONTEXT *)hglrc); +} +/*===========================================================================*/ +/* MakeCurrent will unbind whatever context is current (if any) & then bind */ +/* the supplied context. A context that is bound has it's window proc hooked*/ +/* with the wglMonitorProc and the context pointer is saved in pD3DCurrent. */ +/* Once the context is bound we update the Mesa-3.0 hooks (SetDDPointers) and*/ +/* the viewport (Mesa-.30 and DX6). */ +/* */ +/* TODO: this function can't fail. */ +/*===========================================================================*/ +/* RETURN: TRUE */ +/*===========================================================================*/ +static BOOL MakeCurrent( D3DMESACONTEXT *pContext ) +{ + D3DMESACONTEXT *pNext; + + /*====================================================================*/ + /* This is a special case that is a request to have no context bound. */ + /*====================================================================*/ + if ( pContext == NULL ) + { + /* Walk the whole list. We start and end at the Default context. */ + for( pNext = pD3DDefault->next; pNext != pD3DDefault; pNext = pNext->next ) + UnBindWindow( pNext ); + + return TRUE; + } + + /*=================================================*/ + /* Make for a fast redundant use of this function. */ + /*=================================================*/ + if ( pD3DCurrent == pContext ) + return TRUE; + + /*=============================*/ + /* Unbind the current context. */ + /*=============================*/ + UnBindWindow( pD3DCurrent ); + + /*=====================================*/ + /* Let Mesa-3.0 we have a new context. */ + /*=====================================*/ + SetupDDPointers( pContext->gl_ctx ); + _mesa_make_current( pContext->gl_ctx, pContext->gl_buffer ); + + /* We are done so set the internal current context. */ + if ( pContext != pD3DDefault ) + { + ResizeContext( pContext->gl_ctx ); + pContext->hOldProc = (WNDPROC)GetWindowLong( pContext->pShared->hwnd, GWL_WNDPROC ); + SetWindowLong( pContext->pShared->hwnd, GWL_WNDPROC, (LONG)wglMonitorProc ); + } + pD3DCurrent = pContext; + + return TRUE; +} +/*===========================================================================*/ +/* This function will only return the current window size. I have re-done */ +/* this function so that it doesn't check the current size and react to it as*/ +/* I should be able to have all the react code in the WM_SIZE message. The */ +/* old version would check the current window size and create/resize the HAL */ +/* surfaces if they have changed. I needed to delay the creation if the */ +/* surfaces because sometimes I wouldn't have a window size so this is where */ +/* I delayed it. If you are reading this then all went ok! */ +/* The default context will return a zero sized window and I'm not sure if */ +/* this is ok at this point (TODO). */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void GetBufferSize( GLcontext *ctx, GLuint *width, GLuint *height ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + + /* Fall through for the default because that is one of the uses for it. */ + if ( pContext == pD3DDefault ) + { + *width = 0; + *height = 0; + } + else + { + *width = pContext->pShared->dwWidth; + *height = pContext->pShared->dwHeight; + } +} +/*===========================================================================*/ +/* */ +/* */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static BOOL ResizeContext( GLcontext *ctx ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx, + *pCurrentTemp; + RECT rectClient; + POINT pt; + DWORD dwWidth, + dwHeight; + static BOOL bDDrawLock = FALSE; + + /* Make sure we have some values. */ + if ( (pContext->hdc == NULL ) || + (pContext->pShared->hwnd != WindowFromDC(pContext->hdc)) || + (pContext == pD3DDefault) ) + return FALSE; + + /* Having problems with DDraw sending resize messages before I was done. */ + if( bDDrawLock == TRUE ) + return FALSE; + + // TODO: don't think I need this anymore. + pCurrentTemp = pD3DCurrent; + pD3DCurrent = pD3DDefault; + bDDrawLock = TRUE; + + /* Get the current window dimentions. */ + UpdateScreenPosHAL( pContext->pShared ); + dwWidth = pContext->pShared->rectW.right - pContext->pShared->rectW.left; + dwHeight = pContext->pShared->rectW.bottom - pContext->pShared->rectW.top; + + /* Is the size of the OffScreen Render different? */ + if ( (dwWidth != pContext->pShared->dwWidth) || (dwHeight != pContext->pShared->dwHeight) ) + { + /* Create all the D3D surfaces and device. */ + CreateHAL( pContext->pShared ); + + /* I did this so that software rendering would still work as */ + /* I don't need to scale the z values twice. */ + g_DepthScale = (pContext->pShared->bHardware) ? 1.0 : ((float)0x00FFFFFF); + g_MaxDepth = (pContext->pShared->bHardware) ? 1.0 : ((float)0x00FFFFFF); + gl_DepthRange( pContext->gl_ctx, ctx->Viewport.Near, ctx->Viewport.Far ); + + /* Make sure we have a viewport. */ + gl_Viewport( pContext->gl_ctx, 0, 0, dwWidth, dwHeight ); + + /* Update Mesa as we might have changed from SW <-> HW. */ + SetupDDPointers( pContext->gl_ctx ); + _mesa_make_current( pContext->gl_ctx, pContext->gl_buffer ); + + /* If we are in HW we need to load the current texture if there is one already. */ + // if ( (ctx->Texture.Set[ctx->Texture.CurrentSet].Current != NULL) && + // (pContext->pShared->bHardware == TRUE) ) + // { + // CreateTMgrHAL( pContext->pShared, + // ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Name, + // 0, + // ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0]->Format, + // (RECT *)NULL, + // ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0]->Width, + // ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0]->Height, + // TM_ACTION_BIND, + // (void *)ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0]->Data ); + // } + } + + // TODO: don't think I need this anymore. + pD3DCurrent = pCurrentTemp; + bDDrawLock = FALSE; + + return TRUE; +} + +/*===========================================================================* +/* This function will Blt the render buffer to the PRIMARY surface. I repeat*/ +/* this code for the other SwapBuffer like functions and the flush (didn't */ +/* want the function calling overhead). Thsi could have been a macro... */ +/* */ +/* TODO: there are some problems with viewport/scissoring. */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY wglSwapBuffers( HDC hdc ) +{ + /* Fall through for the default because that is one of the uses for it. */ + if ( pD3DCurrent == pD3DDefault ) + return FALSE; + + SwapBuffersHAL( pD3DCurrent->pShared ); + + return TRUE; +} +/*===========================================================================*/ +/* Same as wglSwapBuffers. */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY SwapBuffers( HDC hdc ) +{ + /* Fall through for the default because that is one of the uses for it. */ + if ( pD3DCurrent == pD3DDefault ) + return FALSE; + + SwapBuffersHAL( pD3DCurrent->pShared ); + + return TRUE; +} +/*===========================================================================*/ +/* This should be ok as none of the SwapBuffers will cause a redundant Blt */ +/* as none of my Swap functions will call flush. This should also allow */ +/* sinlge buffered applications to work (not really worried though). Some */ +/* applications may flush then swap but then this is there fault IMHO. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void Flush( GLcontext *ctx ) +{ + /* Fall through for the default because that is one of the uses for it. */ + if ( pD3DCurrent == pD3DDefault ) + return; + + SwapBuffersHAL( pD3DCurrent->pShared ); +} +/*===========================================================================*/ +/* For now this function will ignore the supplied PF. If I'm going to allow */ +/* the user to choice the mode and device at startup I'm going to have to do */ +/* something different. */ +/* */ +/* TODO: use the linked list of modes to build a pixel format to be returned */ +/* to the caller. */ +/*===========================================================================*/ +/* RETURN: 1. */ +/*===========================================================================*/ +int APIENTRY wglChoosePixelFormat( HDC hdc, CONST PIXELFORMATDESCRIPTOR *ppfd ) +{ + return 1; +} +/*===========================================================================*/ +/* See wglChoosePixelFormat. */ +/*===========================================================================*/ +/* RETURN: 1. */ +/*===========================================================================*/ +int APIENTRY ChoosePixelFormat( HDC hdc, CONST PIXELFORMATDESCRIPTOR *ppfd ) +{ + return wglChoosePixelFormat(hdc,ppfd); +} +/*===========================================================================*/ +/* This function (for now) returns a static PF everytime. This is just to */ +/* allow things to continue. */ +/*===========================================================================*/ +/* RETURN: 1. */ +/*===========================================================================*/ +int APIENTRY wglDescribePixelFormat( HDC hdc, int iPixelFormat, UINT nBytes, LPPIXELFORMATDESCRIPTOR ppfd ) +{ + static PIXELFORMATDESCRIPTOR pfd = + { + sizeof(PIXELFORMATDESCRIPTOR), /* size */ + 1, /* version */ + PFD_SUPPORT_OPENGL | + PFD_DRAW_TO_WINDOW | + PFD_DOUBLEBUFFER, /* support double-buffering */ + PFD_TYPE_RGBA, /* color type */ + 16, /* prefered color depth */ + 0, 0, 0, 0, 0, 0, /* color bits (ignored) */ + 0, /* no alpha buffer */ + 0, /* alpha bits (ignored) */ + 0, /* no accumulation buffer */ + 0, 0, 0, 0, /* accum bits (ignored) */ + 16, /* depth buffer */ + 0, /* no stencil buffer */ + 0, /* no auxiliary buffers */ + PFD_MAIN_PLANE, /* main layer */ + 0, /* reserved */ + 0, 0, 0, /* no layer, visible, damage masks */ + }; + + /* Return the address of this static PF if one was requested. */ + if ( ppfd != NULL ) + memcpy( ppfd, &pfd, sizeof(PIXELFORMATDESCRIPTOR) ); + + return 1; +} +/*===========================================================================*/ +/* See wglDescribePixelFormat. */ +/*===========================================================================*/ +/* RETURN: 1. */ +/*===========================================================================*/ +int APIENTRY DescribePixelFormat( HDC hdc, int iPixelFormat, UINT nBytes, LPPIXELFORMATDESCRIPTOR ppfd ) +{ + return wglDescribePixelFormat(hdc,iPixelFormat,nBytes,ppfd); +} +/*===========================================================================*/ +/* This function will always return 1 for now. Just to allow for support. */ +/*===========================================================================*/ +/* RETURN: 1. */ +/*===========================================================================*/ +int APIENTRY wglGetPixelFormat( HDC hdc ) +{ + return 1; +} +/*===========================================================================*/ +/* See wglGetPixelFormat. */ +/*===========================================================================*/ +/* RETURN: 1. */ +/*===========================================================================*/ +int APIENTRY GetPixelFormat( HDC hdc ) +{ + return wglGetPixelFormat(hdc); +} +/*===========================================================================*/ +/* This will aways work for now. */ +/*===========================================================================*/ +/* RETURN: TRUE. */ +/*===========================================================================*/ +BOOL APIENTRY wglSetPixelFormat( HDC hdc, int iPixelFormat, CONST PIXELFORMATDESCRIPTOR *ppfd ) +{ + return TRUE; +} +/*===========================================================================*/ +/* See wglSetPixelFormat. */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY SetPixelFormat( HDC hdc, int iPixelFormat, CONST PIXELFORMATDESCRIPTOR *ppfd ) +{ + return wglSetPixelFormat(hdc,iPixelFormat,ppfd); +} +/*===========================================================================*/ +/* This is a wrapper function that is supported by my own internal function.*/ +/* that takes my own D3D Mesa context structure. This so I can reuse the */ +/* function (no need for speed). */ +/*===========================================================================*/ +/* RETURN: TRUE. */ +/*===========================================================================*/ +BOOL APIENTRY wglDeleteContext( HGLRC hglrc ) +{ + DestroyContext( (D3DMESACONTEXT *)hglrc ); + + return TRUE; +} +/*===========================================================================*/ +/* Simple getter function that uses a cast. */ +/*===========================================================================*/ +/* RETURN: casted pointer to the context, NULL. */ +/*===========================================================================*/ +HGLRC APIENTRY wglGetCurrentContext( VOID ) +{ + return (pD3DCurrent) ? (HGLRC)pD3DCurrent : (HGLRC)NULL; +} +/*===========================================================================*/ +/* No support. */ +/*===========================================================================*/ +/* RETURN: FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY wglCopyContext( HGLRC hglrcSrc, HGLRC hglrcDst, UINT mask ) +{ + SetLastError( 0 ); + return FALSE; +} +/*===========================================================================*/ +/* No support. */ +/*===========================================================================*/ +/* RETURN: NULL. */ +/*===========================================================================*/ +HGLRC APIENTRY wglCreateLayerContext( HDC hdc,int iLayerPlane ) +{ + SetLastError( 0 ); + return (HGLRC)NULL; +} +/*===========================================================================*/ +/* Simple getter function. */ +/*===========================================================================*/ +/* RETURN: FALSE. */ +/*===========================================================================*/ +HDC APIENTRY wglGetCurrentDC( VOID ) +{ + return (pD3DCurrent) ? pD3DCurrent->hdc : (HDC)NULL; +} +/*===========================================================================*/ +/* Simply call that searches the supported extensions for a match & returns */ +/* the pointer to the function that lends support. */ +/*===========================================================================*/ +/* RETURN: pointer to API call, NULL. */ +/*===========================================================================*/ +PROC APIENTRY wglGetProcAddress( LPCSTR lpszProc ) +{ + int index; + + for( index = 0; index < qt_ext; index++ ) + if( !strcmp(lpszProc,ext[index].name) ) + return ext[index].proc; + + SetLastError( 0 ); + return NULL; +} +/*===========================================================================*/ +/* No support. */ +/*===========================================================================*/ +/* RETURN: FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY wglShareLists( HGLRC hglrc1, HGLRC hglrc2 ) +{ + SetLastError( 0 ); + return FALSE; +} +/*===========================================================================*/ +/* No support. */ +/*===========================================================================*/ +/* RETURN: FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY wglUseFontBitmaps( HDC fontDevice, DWORD firstChar, DWORD numChars, DWORD listBase ) +{ + SetLastError( 0 ); + return FALSE; +} +/*===========================================================================*/ +/* No support. */ +/*===========================================================================*/ +/* RETURN: FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY wglUseFontBitmapsW( HDC hdc,DWORD first,DWORD count,DWORD listBase ) +{ + SetLastError( 0 ); + return FALSE; +} +/*===========================================================================*/ +/* No support. */ +/*===========================================================================*/ +/* RETURN: FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY wglUseFontOutlinesA( HDC hdc, DWORD first, DWORD count, DWORD listBase, FLOAT deviation, FLOAT extrusion, int format, LPGLYPHMETRICSFLOAT lpgmf ) +{ + SetLastError( 0 ); + return FALSE; +} +/*===========================================================================*/ +/* No support. */ +/*===========================================================================*/ +/* RETURN: FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY wglUseFontOutlinesW( HDC hdc,DWORD first,DWORD count, DWORD listBase,FLOAT deviation, FLOAT extrusion,int format, LPGLYPHMETRICSFLOAT lpgmf ) +{ + SetLastError( 0 ); + return FALSE ; +} +/*===========================================================================*/ +/* No support. */ +/*===========================================================================*/ +/* RETURN: FALSE. */ +/*===========================================================================*/ +BOOL APIENTRY wglSwapLayerBuffers( HDC hdc, UINT fuPlanes ) +{ + SetLastError( 0 ); + return FALSE; +} +/*===========================================================================*/ +/* This function will be hooked into the window that has been bound. Right */ +/* now it is used to track the window size and position. Also the we clean */ +/* up the currrent context when the window is close/destroyed. */ +/* */ +/* TODO: there might be something wrong here as some games (Heretic II) don't*/ +/* track the window quit right. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +LONG APIENTRY wglMonitorProc( HWND hwnd, UINT message, UINT wParam, LONG lParam ) +{ + WNDPROC hOldProc; + GLint width, + height; + + switch( message ) + { +// case WM_PAINT: +// break; +// case WM_ACTIVATE: +// break; +// case WM_SHOWWINDOW: +// break; + + case UM_FATALSHUTDOWN: + /* Support the API until we die... */ + MakeCurrent( pD3DDefault ); + break; + + case WM_MOVE: + case WM_DISPLAYCHANGE: + case WM_SIZE: + ResizeContext( pD3DCurrent->gl_ctx ); + break; + + case WM_CLOSE: + case WM_DESTROY: + /* Support the API until we die... */ + hOldProc = pD3DCurrent->hOldProc; + DestroyContext( pD3DCurrent ); + return (hOldProc)(hwnd,message,wParam,lParam); + } + + return (pD3DCurrent->hOldProc)(hwnd,message,wParam,lParam); +} + +/**********************************************************************/ +/***** Miscellaneous device driver funcs *****/ +/**********************************************************************/ + +/*===========================================================================*/ +/* Not reacting to this as I'm only supporting drawing to the back buffer */ +/* right now. */ +/*===========================================================================*/ +/* RETURN: TRUE. */ +/*===========================================================================*/ +static GLboolean SetBuffer( GLcontext *ctx, GLenum buffer ) +{ + if (buffer == GL_BACK_LEFT) + return GL_TRUE; + else + return GL_FALSE; +} +/*===========================================================================*/ +/* This proc will be called by Mesa when the viewport has been set. So if */ +/* we have a context and it isn't the default then we should let D3D know of */ +/* the change. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void SetViewport( GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + RECT rect; + + /* Make sure we can set a viewport. */ + if ( pContext->pShared && (pContext != pD3DDefault) ) + { + // TODO: might be needed. + UpdateScreenPosHAL( pContext->pShared ); + rect.left = x; + rect.right = x + w; + rect.top = y; + rect.bottom = y + h; + + // TODO: shared struct should make this call smaller + SetViewportHAL( pContext->pShared, &rect, 0.0F, 1.0F ); + } +} +/*===========================================================================*/ +/* This function could be better I guess but I decided just to grab the four*/ +/* components and store then seperately. Makes it easier to use IMHO. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void ClearColor( GLcontext *ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + + pContext->aClear = a; + pContext->bClear = b; + pContext->gClear = g; + pContext->rClear = r; +} +/*===========================================================================*/ +/* This function could be better I guess but I decided just to grab the four*/ +/* components and store then seperately. Makes it easier to use IMHO. */ +/* (is there an echo in here?) */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void SetColor( GLcontext *ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + + pContext->aCurrent = a; + pContext->bCurrent = b; + pContext->gCurrent = g; + pContext->rCurrent = r; +} +/*===========================================================================*/ +/* */ +/* */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static const char *RendererString( void ) +{ + static char pszRender[64]; + + strcpy( pszRender, "altD3D " ); + + if ( pD3DCurrent->pShared->bHardware ) + strcat( pszRender, "(HW)"); + else + strcat( pszRender, "(SW)"); + + return (const char *)pszRender; +} +/*===========================================================================*/ +/* This function will choose which set of pointers Mesa will use based on */ +/* whether we hard using hardware or software. I have added another set of */ +/* pointers that will do nothing but stop the API from crashing. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void SetupDDPointers( GLcontext *ctx ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + + // TODO: write a generic NULL support for the span render. + if ( pContext->pShared && pContext->pShared->bHardware ) + { + ctx->Driver.UpdateState = SetupHWDDPointers; + } + else if ( pContext == pD3DDefault ) + { + ctx->Driver.UpdateState = SetupNULLDDPointers; + } + else + { + ctx->Driver.UpdateState = SetupSWDDPointers; + } +} +/*===========================================================================*/ +/* This function will populate all the Mesa driver hooks. This version of */ +/* hooks will do nothing but support the API when we don't have a valid */ +/* context bound. This is mostly for applications that don't behave right */ +/* and also to help exit as clean as possable when we have a FatalError. */ +/*===========================================================================*/ +/* RETURN: pointer to the specific function. */ +/*===========================================================================*/ +static void SetupNULLDDPointers( GLcontext *ctx ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + + /* Initialize all the pointers in the DD struct. Do this whenever */ + /* a new context is made current or we change buffers via set_buffer! */ + ctx->Driver.UpdateState = SetupNULLDDPointers; + + /* State management hooks. */ + ctx->Driver.Color = NULLSetColor; + ctx->Driver.ClearColor = NULLClearColor; + ctx->Driver.Clear = NULLClearBuffers; + ctx->Driver.SetBuffer = NULLSetBuffer; + + /* Window management hooks. */ + ctx->Driver.GetBufferSize = NULLGetBufferSize; + + /* Primitive rendering hooks. */ + ctx->Driver.TriangleFunc = NULL; + ctx->Driver.RenderVB = NULL; + + /* Pixel/span writing functions: */ + ctx->Driver.WriteRGBASpan = NULLWrSpRGBA; + ctx->Driver.WriteRGBSpan = NULLWrSpRGB; + ctx->Driver.WriteMonoRGBASpan = NULLWrSpRGBAMono; + ctx->Driver.WriteRGBAPixels = NULLWrPiRGBA; + ctx->Driver.WriteMonoRGBAPixels = NULLWrPiRGBAMono; + + /* Pixel/span reading functions: */ + ctx->Driver.ReadRGBASpan = NULLReSpRGBA; + ctx->Driver.ReadRGBAPixels = NULLRePiRGBA; + + /* Misc. hooks. */ + ctx->Driver.RendererString = RendererString; +} +/*===========================================================================*/ +/* This function will populate all the Mesa driver hooks. There are two of */ +/* these functions. One if we have hardware support and one is there is only*/ +/* software. These functions will be called by Mesa and by the wgl.c when we*/ +/* have resized (or created) the buffers. The thing is that if a window gets*/ +/* resized we may loose hardware support or gain it... */ +/*===========================================================================*/ +/* RETURN: pointer to the specific function. */ +/*===========================================================================*/ +static void SetupSWDDPointers( GLcontext *ctx ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + + /* Initialize all the pointers in the DD struct. Do this whenever */ + /* a new context is made current or we change buffers via set_buffer! */ + ctx->Driver.UpdateState = SetupSWDDPointers; + + /* State management hooks. */ + ctx->Driver.Color = SetColor; + ctx->Driver.ClearColor = ClearColor; + ctx->Driver.Clear = ClearBuffers; + ctx->Driver.SetBuffer = SetBuffer; + + /* Window management hooks. */ + ctx->Driver.GetBufferSize = GetBufferSize; + ctx->Driver.Viewport = SetViewport; + + /* Primitive rendering hooks. */ + ctx->Driver.TriangleFunc = NULL; + ctx->Driver.RenderVB = NULL; + + /* Texture management hooks. */ + + /* Pixel/span writing functions: */ + ctx->Driver.WriteRGBASpan = WSpanRGBA; + ctx->Driver.WriteRGBSpan = WSpanRGB; + ctx->Driver.WriteMonoRGBASpan = WSpanRGBAMono; + ctx->Driver.WriteRGBAPixels = WPixelsRGBA; + ctx->Driver.WriteMonoRGBAPixels = WPixelsRGBAMono; + + /* Pixel/span reading functions: */ + ctx->Driver.ReadRGBASpan = RSpanRGBA; + ctx->Driver.ReadRGBAPixels = RPixelsRGBA; + + /* Misc. hooks. */ + ctx->Driver.Flush = Flush; + ctx->Driver.RendererString = RendererString; +} +/*===========================================================================*/ +/* This function will populate all the Mesa driver hooks. There are two of */ +/* these functions. One if we have hardware support and one is there is only*/ +/* software. These functions will be called by Mesa and by the wgl.c when we*/ +/* have resized (or created) the buffers. The thing is that if a window gets*/ +/* resized we may loose hardware support or gain it... */ +/*===========================================================================*/ +/* RETURN: pointer to the specific function. */ +/*===========================================================================*/ +static void SetupHWDDPointers( GLcontext *ctx ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + + /* Initialize all the pointers in the DD struct. Do this whenever */ + /* a new context is made current or we change buffers via set_buffer! */ + ctx->Driver.UpdateState = SetupHWDDPointers; + + /* State management hooks. */ + ctx->Driver.Color = SetColor; + ctx->Driver.ClearColor = ClearColor; + ctx->Driver.Clear = ClearBuffersD3D; + ctx->Driver.SetBuffer = SetBuffer; + + /* Window management hooks. */ + ctx->Driver.GetBufferSize = GetBufferSize; + ctx->Driver.Viewport = SetViewport; + + /* Primitive rendering hooks. */ + ctx->Driver.TriangleFunc = RenderOneTriangle; + ctx->Driver.LineFunc = RenderOneLine; + ctx->Driver.RenderVB = RenderVertexBuffer; + + /* Pixel/span writing functions: */ + ctx->Driver.WriteRGBASpan = WSpanRGBA; + ctx->Driver.WriteRGBSpan = WSpanRGB; + ctx->Driver.WriteMonoRGBASpan = WSpanRGBAMono; + ctx->Driver.WriteRGBAPixels = WPixelsRGBA; + ctx->Driver.WriteMonoRGBAPixels = WPixelsRGBAMono; + + /* Pixel/span reading functions: */ + ctx->Driver.ReadRGBASpan = RSpanRGBA; + ctx->Driver.ReadRGBAPixels = RPixelsRGBA; + + /* Texture management hooks. */ + // ctx->Driver.BindTexture = TextureBind; + ctx->Driver.TexImage = TextureLoad; + ctx->Driver.TexSubImage = TextureSubImage; + + /* Misc. hooks. */ + ctx->Driver.Flush = Flush; + ctx->Driver.RendererString = RendererString; +} +/*===========================================================================*/ +/* This function will release all resources used by the DLL. Every context */ +/* will be clobbered by releaseing all driver desources and then freeing the */ +/* context memory. Most all the work is done in DestroyContext. */ +/*===========================================================================*/ +/* RETURN: TRUE. */ +/*===========================================================================*/ +static BOOL TermOpenGL( HINSTANCE hInst ) +{ + D3DMESACONTEXT *pTmp, + *pNext; + + /* Just incase we are still getting paint msg. */ + MakeCurrent( pD3DDefault ); + + /* Walk the list until we get back to the default context. */ + for( pTmp = pD3DDefault->next; pTmp != pD3DDefault; pTmp = pNext ) + { + pNext = pTmp->next; + DestroyContext( pTmp ); + } + DestroyContext( pD3DDefault ); + + return TRUE; +} +/*===========================================================================*/ +/* This function is an internal function that will clean up all the Mesa */ +/* context bound to this D3D context. Also any D3D stuff that this context */ +/* uses will be unloaded. */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +static void DestroyContext( D3DMESACONTEXT *pContext ) +{ + D3DMESACONTEXT *pTmp; + + /* Walk the list until we find the context before this one. */ + for( pTmp = pD3DDefault; pTmp && (pTmp->next != pContext); pTmp = pTmp->next ) + if ( pTmp == pTmp->next ) + break; + + /* If we never found it it must already be deleted. */ + if ( pTmp->next != pContext ) + return; + + /* Make sure we are not using this context. */ + if ( pContext == pD3DCurrent ) + MakeCurrent( pD3DDefault ); + + /* Free the Mesa stuff. */ + if ( pContext->gl_visual ) + { + _mesa_destroy_visual( pContext->gl_visual ); + pContext->gl_visual = NULL; + } + if ( pContext->gl_buffer ) + { + _mesa_destroy_framebuffer( pContext->gl_buffer ); + pContext->gl_buffer = NULL; + } + if ( pContext->gl_ctx ) + { + _mesa_destroy_context( pContext->gl_ctx ); + pContext->gl_ctx = NULL; + } + + /* Now dump the D3D. */ + if ( pContext->pShared ) + TermHAL( pContext->pShared ); + + /* Update the previous context's link. */ + pTmp->next = pContext->next; + + /* Gonzo. */ + FREE( pContext ); +} +/*===========================================================================*/ +/* This function will pull the supplied context away from Win32. Basicly it*/ +/* will remove the hook from the window Proc. */ +/* */ +/* TODO: might want to serialize this stuff... */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +static BOOL UnBindWindow( D3DMESACONTEXT *pContext ) +{ + if ( pContext == NULL ) + return FALSE; + + if ( pContext == pD3DDefault ) + return TRUE; + + /* Make sure we always have a context bound. */ + if ( pContext == pD3DCurrent ) + pD3DCurrent = pD3DDefault; + + SetWindowLong( pContext->pShared->hwnd, GWL_WNDPROC, (LONG)pContext->hOldProc ); + pContext->hOldProc = NULL; + + return TRUE; +} +/*===========================================================================*/ +/* There are two cases that allow for a faster clear when we know that the */ +/* whole buffer is cleared and that there is no clipping. */ +/*===========================================================================*/ +/* RETURN: the original mask with the bits cleared that represents the buffer* +/* or buffers we just cleared. */ +/*===========================================================================*/ +GLbitfield ClearBuffersD3D( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + DWORD dwFlags = 0; + + if ( mask & GL_COLOR_BUFFER_BIT ) + { + dwFlags |= D3DCLEAR_TARGET; + mask &= ~GL_COLOR_BUFFER_BIT; + } + if ( mask & GL_DEPTH_BUFFER_BIT ) + { + dwFlags |= D3DCLEAR_ZBUFFER; + mask &= ~GL_DEPTH_BUFFER_BIT; + } + if ( dwFlags == 0 ) + return mask; + + ClearHAL( pContext->pShared, + dwFlags, + all, + x, y, + width, height, + ((pContext->aClear<<24) | (pContext->rClear<<16) | (pContext->gClear<<8) | (pContext->bClear)), + ctx->Depth.Clear, + 0 ); + + return mask; +} + + + +/*===========================================================================*/ +/* TEXTURE MANAGER: ok here is how I did textures. Mesa-3.0 will keep track*/ +/* of all the textures for us. So this means that at anytime we can go to */ +/* the Mesa context and get the current texture. With this in mind this is */ +/* what I did. I really don't care about what textures get or are loaded */ +/* until I actually have to draw a tri that is textured. At this point I */ +/* must have the texture so I demand the texture by destorying all other */ +/* texture surfaces if need be and load the current one. This allows for the*/ +/* best preformance on low memory cards as time is not wasted loading and */ +/* unload textures. */ +/*===========================================================================*/ + + + + + +/*===========================================================================*/ +/* TextureLoad will try and create a D3D surface from the supplied texture */ +/* object if its level 0 (first). The surface will be fully filled with the */ +/* texture. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void TextureLoad( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj, GLint level, GLint internalFormat, const struct gl_texture_image *image ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + + /* TODO: only doing first LOD. */ + if ( (ctx->DriverCtx == NULL) || (level != 0) ) + return; + + CreateTMgrHAL( pContext->pShared, + tObj->Name, + level, + tObj->Image[level]->Format, + (RECT *)NULL, + tObj->Image[level]->Width, + tObj->Image[level]->Height, + TM_ACTION_LOAD, + (void *)tObj->Image[level]->Data ); +} +/*===========================================================================*/ +/* TextureBind make sure that the texture is on the card. Thats it. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void TextureBind( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + + /* TODO: only doing first LOD. */ + if ( (tObj->Image[0] == NULL) || (ctx->DriverCtx == NULL) ) + return; + + CreateTMgrHAL( pContext->pShared, + tObj->Name, + 0, + tObj->Image[0]->Format, + (RECT *)NULL, + tObj->Image[0]->Width, + tObj->Image[0]->Height, + TM_ACTION_BIND, + (void *)tObj->Image[0]->Data ); +} +/*===========================================================================*/ +/* TextureSubImage will make sure that the texture being updated is updated */ +/* if its on the card. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void TextureSubImage( GLcontext *ctx, GLenum target, struct gl_texture_object *tObj, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLint internalFormat, const struct gl_texture_image *image ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + RECT rect; + + /* TODO: only doing first LOD. */ + if ( (ctx->DriverCtx == NULL) || (level > 0) ) + return; + + /* Create a dirty rectangle structure. */ + rect.left = xoffset; + rect.right = xoffset + width; + rect.top = yoffset; + rect.bottom = yoffset + height; + + CreateTMgrHAL( pContext->pShared, + tObj->Name, + 0, + tObj->Image[0]->Format, + &rect, + tObj->Image[0]->Width, + tObj->Image[0]->Height, + TM_ACTION_UPDATE, + (void *)tObj->Image[0]->Data ); +} + |