diff options
Diffstat (limited to 'src/mesa/drivers/beos/GLView.cpp')
| -rw-r--r-- | src/mesa/drivers/beos/GLView.cpp | 1573 |
1 files changed, 0 insertions, 1573 deletions
diff --git a/src/mesa/drivers/beos/GLView.cpp b/src/mesa/drivers/beos/GLView.cpp deleted file mode 100644 index 57c4614f32d..00000000000 --- a/src/mesa/drivers/beos/GLView.cpp +++ /dev/null @@ -1,1573 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.1 - * - * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -#include <assert.h> -#include <stdio.h> - -extern "C" { - -#include "glheader.h" -#include "version.h" -#include "buffers.h" -#include "bufferobj.h" -#include "context.h" -#include "colormac.h" -#include "depth.h" -#include "extensions.h" -#include "macros.h" -#include "matrix.h" -#include "mtypes.h" -#include "texformat.h" -#include "texobj.h" -#include "teximage.h" -#include "texstore.h" -#include "vbo/vbo.h" -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "swrast/s_context.h" -#include "swrast/s_depth.h" -#include "swrast/s_lines.h" -#include "swrast/s_triangle.h" -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "tnl/t_pipeline.h" - -#include "drivers/common/driverfuncs.h" - -} // extern "C" - -#include <interface/Screen.h> -#include <GLView.h> - -// BeOS component ordering for B_RGBA32 bitmap format -#if B_HOST_IS_LENDIAN - #define BE_RCOMP 2 - #define BE_GCOMP 1 - #define BE_BCOMP 0 - #define BE_ACOMP 3 - - #define PACK_B_RGBA32(color) (color[BCOMP] | (color[GCOMP] << 8) | \ - (color[RCOMP] << 16) | (color[ACOMP] << 24)) - - #define PACK_B_RGB32(color) (color[BCOMP] | (color[GCOMP] << 8) | \ - (color[RCOMP] << 16) | 0xFF000000) -#else - // Big Endian B_RGBA32 bitmap format - #define BE_RCOMP 1 - #define BE_GCOMP 2 - #define BE_BCOMP 3 - #define BE_ACOMP 0 - - #define PACK_B_RGBA32(color) (color[ACOMP] | (color[RCOMP] << 8) | \ - (color[GCOMP] << 16) | (color[BCOMP] << 24)) - - #define PACK_B_RGB32(color) ((color[RCOMP] << 8) | (color[GCOMP] << 16) | \ - (color[BCOMP] << 24) | 0xFF000000) -#endif - -#define FLIP(coord) (LIBGGI_MODE(ggi_ctx->ggi_visual)->visible.y-(coord) - 1) - -const char * color_space_name(color_space space); - -// -// This object hangs off of the BGLView object. We have to use -// Be's BGLView class as-is to maintain binary compatibility (we -// can't add new members to it). Instead we just put all our data -// in this class and use BGLVIew::m_gc to point to it. -// -class MesaDriver -{ -friend class BGLView; -public: - MesaDriver(); - ~MesaDriver(); - - void Init(BGLView * bglview, struct gl_context * c, struct gl_config * v, struct gl_framebuffer * b); - - void LockGL(); - void UnlockGL(); - void SwapBuffers() const; - status_t CopyPixelsOut(BPoint source, BBitmap *dest); - status_t CopyPixelsIn(BBitmap *source, BPoint dest); - - void CopySubBuffer(GLint x, GLint y, GLuint width, GLuint height) const; - void Draw(BRect updateRect) const; - -private: - MesaDriver(const MesaDriver &rhs); // copy constructor illegal - MesaDriver &operator=(const MesaDriver &rhs); // assignment oper. illegal - - struct gl_context * m_glcontext; - struct gl_config * m_glvisual; - struct gl_framebuffer * m_glframebuffer; - - BGLView * m_bglview; - BBitmap * m_bitmap; - - GLchan m_clear_color[4]; // buffer clear color - GLuint m_clear_index; // buffer clear color index - GLint m_bottom; // used for flipping Y coords - GLuint m_width; - GLuint m_height; - - // Mesa Device Driver callback functions - static void UpdateState(struct gl_context *ctx, GLuint new_state); - static void ClearIndex(struct gl_context *ctx, GLuint index); - static void ClearColor(struct gl_context *ctx, const GLfloat color[4]); - static void Clear(struct gl_context *ctx, GLbitfield mask, - GLboolean all, GLint x, GLint y, - GLint width, GLint height); - static void ClearFront(struct gl_context *ctx, GLboolean all, GLint x, GLint y, - GLint width, GLint height); - static void ClearBack(struct gl_context *ctx, GLboolean all, GLint x, GLint y, - GLint width, GLint height); - static void Index(struct gl_context *ctx, GLuint index); - static void Color(struct gl_context *ctx, GLubyte r, GLubyte g, - GLubyte b, GLubyte a); - static void SetBuffer(struct gl_context *ctx, struct gl_framebuffer *colorBuffer, - GLenum mode); - static void GetBufferSize(struct gl_framebuffer * framebuffer, GLuint *width, - GLuint *height); - static void Error(struct gl_context *ctx); - static const GLubyte * GetString(struct gl_context *ctx, GLenum name); - static void Viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h); - - // Front-buffer functions - static void WriteRGBASpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - CONST GLubyte rgba[][4], - const GLubyte mask[]); - static void WriteRGBSpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - CONST GLubyte rgba[][3], - const GLubyte mask[]); - static void WriteMonoRGBASpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - const GLchan color[4], - const GLubyte mask[]); - static void WriteRGBAPixelsFront(const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - CONST GLubyte rgba[][4], - const GLubyte mask[]); - static void WriteMonoRGBAPixelsFront(const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - const GLchan color[4], - const GLubyte mask[]); - static void WriteCI32SpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - const GLuint index[], const GLubyte mask[]); - static void WriteCI8SpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - const GLubyte index[], const GLubyte mask[]); - static void WriteMonoCISpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - GLuint colorIndex, const GLubyte mask[]); - static void WriteCI32PixelsFront(const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLuint index[], const GLubyte mask[]); - static void WriteMonoCIPixelsFront(const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[]); - static void ReadCI32SpanFront(const struct gl_context *ctx, - GLuint n, GLint x, GLint y, GLuint index[]); - static void ReadRGBASpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - GLubyte rgba[][4]); - static void ReadCI32PixelsFront(const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint indx[], const GLubyte mask[]); - static void ReadRGBAPixelsFront(const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - GLubyte rgba[][4], const GLubyte mask[]); - - // Back buffer functions - static void WriteRGBASpanBack(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - CONST GLubyte rgba[][4], - const GLubyte mask[]); - static void WriteRGBSpanBack(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - CONST GLubyte rgba[][3], - const GLubyte mask[]); - static void WriteMonoRGBASpanBack(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - const GLchan color[4], - const GLubyte mask[]); - static void WriteRGBAPixelsBack(const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - CONST GLubyte rgba[][4], - const GLubyte mask[]); - static void WriteMonoRGBAPixelsBack(const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - const GLchan color[4], - const GLubyte mask[]); - static void WriteCI32SpanBack(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - const GLuint index[], const GLubyte mask[]); - static void WriteCI8SpanBack(const struct gl_context *ctx, GLuint n, GLint x, GLint y, - const GLubyte index[], const GLubyte mask[]); - static void WriteMonoCISpanBack(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, GLuint colorIndex, - const GLubyte mask[]); - static void WriteCI32PixelsBack(const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLuint index[], const GLubyte mask[]); - static void WriteMonoCIPixelsBack(const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[]); - static void ReadCI32SpanBack(const struct gl_context *ctx, - GLuint n, GLint x, GLint y, GLuint index[]); - static void ReadRGBASpanBack(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - GLubyte rgba[][4]); - static void ReadCI32PixelsBack(const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint indx[], const GLubyte mask[]); - static void ReadRGBAPixelsBack(const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - GLubyte rgba[][4], const GLubyte mask[]); - -}; - -//------------------------------------------------------------------ -// Public interface methods -//------------------------------------------------------------------ - - -// -// Input: rect - initial rectangle -// name - window name -// resizingMode - example: B_FOLLOW_NONE -// mode - usually 0 ? -// options - Bitwise-OR of BGL_* tokens -// -BGLView::BGLView(BRect rect, char *name, - ulong resizingMode, ulong mode, - ulong options) - : BView(rect, name, B_FOLLOW_ALL_SIDES, mode | B_WILL_DRAW | B_FRAME_EVENTS) // | B_FULL_UPDATE_ON_RESIZE) -{ - // We don't support single buffering (yet): double buffering forced. - options |= BGL_DOUBLE; - - const GLboolean rgbFlag = ((options & BGL_INDEX) == 0); - const GLboolean alphaFlag = ((options & BGL_ALPHA) == BGL_ALPHA); - const GLboolean dblFlag = ((options & BGL_DOUBLE) == BGL_DOUBLE); - const GLboolean stereoFlag = false; - const GLint depth = (options & BGL_DEPTH) ? 16 : 0; - const GLint stencil = (options & BGL_STENCIL) ? 8 : 0; - const GLint accum = (options & BGL_ACCUM) ? 16 : 0; - const GLint index = (options & BGL_INDEX) ? 32 : 0; - const GLint red = rgbFlag ? 8 : 0; - const GLint green = rgbFlag ? 8 : 0; - const GLint blue = rgbFlag ? 8 : 0; - const GLint alpha = alphaFlag ? 8 : 0; - - m_options = options | BGL_INDIRECT; - - struct dd_function_table functions; - - if (!rgbFlag) { - fprintf(stderr, "Mesa Warning: color index mode not supported\n"); - } - - // Allocate auxiliary data object - MesaDriver * md = new MesaDriver(); - - // examine option flags and create gl_context struct - struct gl_config * visual = _mesa_create_visual( dblFlag, - stereoFlag, - red, green, blue, alpha, - depth, - stencil, - accum, accum, accum, accum, - 1 - ); - - // Initialize device driver function table - _mesa_init_driver_functions(&functions); - - functions.GetString = md->GetString; - functions.UpdateState = md->UpdateState; - functions.GetBufferSize = md->GetBufferSize; - functions.Clear = md->Clear; - functions.ClearIndex = md->ClearIndex; - functions.ClearColor = md->ClearColor; - functions.Error = md->Error; - functions.Viewport = md->Viewport; - - // create core context - struct gl_context *ctx = _mesa_create_context(API_OPENGL, visual, - NULL, &functions, md); - if (! ctx) { - _mesa_destroy_visual(visual); - delete md; - return; - } - _mesa_enable_sw_extensions(ctx); - _mesa_enable_1_3_extensions(ctx); - _mesa_enable_1_4_extensions(ctx); - _mesa_enable_1_5_extensions(ctx); - - - // create core framebuffer - struct gl_framebuffer * buffer = _mesa_create_framebuffer(visual, - depth > 0 ? GL_TRUE : GL_FALSE, - stencil > 0 ? GL_TRUE: GL_FALSE, - accum > 0 ? GL_TRUE : GL_FALSE, - alphaFlag - ); - - /* Initialize the software rasterizer and helper modules. - */ - _swrast_CreateContext(ctx); - _vbo_CreateContext(ctx); - _tnl_CreateContext(ctx); - _swsetup_CreateContext(ctx); - _swsetup_Wakeup(ctx); - - md->Init(this, ctx, visual, buffer ); - - // Hook aux data into BGLView object - m_gc = md; - - // some stupid applications (Quake2) don't even think about calling LockGL() - // before using glGetString and friends... so make sure there is at least a - // valid context. - if (!_mesa_get_current_context()) { - LockGL(); - // not needed, we don't have a looper yet: UnlockLooper(); - } - -} - - -BGLView::~BGLView() -{ - // printf("BGLView destructor\n"); - MesaDriver * md = (MesaDriver *) m_gc; - assert(md); - delete md; -} - -void BGLView::LockGL() -{ - MesaDriver * md = (MesaDriver *) m_gc; - assert(md); - md->LockGL(); -} - -void BGLView::UnlockGL() -{ - MesaDriver * md = (MesaDriver *) m_gc; - assert(md); - md->UnlockGL(); -} - -void BGLView::SwapBuffers() -{ - SwapBuffers(false); -} - -void BGLView::SwapBuffers(bool vSync) -{ - MesaDriver * md = (MesaDriver *) m_gc; - assert(md); - md->SwapBuffers(); - - if (vSync) { - BScreen screen(Window()); - screen.WaitForRetrace(); - } -} - - -#if 0 -void BGLView::CopySubBufferMESA(GLint x, GLint y, GLuint width, GLuint height) -{ - MesaDriver * md = (MesaDriver *) m_gc; - assert(md); - md->CopySubBuffer(x, y, width, height); -} -#endif - -BView * BGLView::EmbeddedView() -{ - return NULL; -} - -status_t BGLView::CopyPixelsOut(BPoint source, BBitmap *dest) -{ - if (! dest || ! dest->Bounds().IsValid()) - return B_BAD_VALUE; - - MesaDriver * md = (MesaDriver *) m_gc; - assert(md); - return md->CopyPixelsOut(source, dest); -} - -status_t BGLView::CopyPixelsIn(BBitmap *source, BPoint dest) -{ - if (! source || ! source->Bounds().IsValid()) - return B_BAD_VALUE; - - MesaDriver * md = (MesaDriver *) m_gc; - assert(md); - return md->CopyPixelsIn(source, dest); -} - - -void BGLView::ErrorCallback(unsigned long errorCode) // Mesa's GLenum is not ulong but uint! -{ - char msg[32]; - sprintf(msg, "GL: Error code $%04lx.", errorCode); - // debugger(msg); - fprintf(stderr, "%s\n", msg); - return; -} - -void BGLView::Draw(BRect updateRect) -{ - // printf("BGLView::Draw()\n"); - MesaDriver * md = (MesaDriver *) m_gc; - assert(md); - md->Draw(updateRect); -} - -void BGLView::AttachedToWindow() -{ - BView::AttachedToWindow(); - - // don't paint window background white when resized - SetViewColor(B_TRANSPARENT_32_BIT); -} - -void BGLView::AllAttached() -{ - BView::AllAttached(); -// printf("BGLView AllAttached\n"); -} - -void BGLView::DetachedFromWindow() -{ - BView::DetachedFromWindow(); -} - -void BGLView::AllDetached() -{ - BView::AllDetached(); -// printf("BGLView AllDetached"); -} - -void BGLView::FrameResized(float width, float height) -{ - return BView::FrameResized(width, height); -} - -status_t BGLView::Perform(perform_code d, void *arg) -{ - return BView::Perform(d, arg); -} - - -status_t BGLView::Archive(BMessage *data, bool deep) const -{ - return BView::Archive(data, deep); -} - -void BGLView::MessageReceived(BMessage *msg) -{ - BView::MessageReceived(msg); -} - -void BGLView::SetResizingMode(uint32 mode) -{ - BView::SetResizingMode(mode); -} - -void BGLView::Show() -{ - BView::Show(); -} - -void BGLView::Hide() -{ - BView::Hide(); -} - -BHandler *BGLView::ResolveSpecifier(BMessage *msg, int32 index, - BMessage *specifier, int32 form, - const char *property) -{ - return BView::ResolveSpecifier(msg, index, specifier, form, property); -} - -status_t BGLView::GetSupportedSuites(BMessage *data) -{ - return BView::GetSupportedSuites(data); -} - -void BGLView::DirectConnected( direct_buffer_info *info ) -{ -#if 0 - if (! m_direct_connected && m_direct_connection_disabled) - return; - - direct_info_locker->Lock(); - switch(info->buffer_state & B_DIRECT_MODE_MASK) { - case B_DIRECT_START: - m_direct_connected = true; - case B_DIRECT_MODIFY: - // Get clipping information - if (m_clip_list) - free(m_clip_list); - m_clip_list_count = info->clip_list_count; - m_clip_list = (clipping_rect *) malloc(m_clip_list_count*sizeof(clipping_rect)); - if (m_clip_list) { - memcpy(m_clip_list, info->clip_list, m_clip_list_count*sizeof(clipping_rect)); - fBits = (uint8 *) info->bits; - fRowBytes = info->bytes_per_row; - fFormat = info->pixel_format; - fBounds = info->window_bounds; - fDirty = true; - } - break; - case B_DIRECT_STOP: - fConnected = false; - break; - } - direct_info_locker->Unlock(); -#endif -} - -void BGLView::EnableDirectMode( bool enabled ) -{ - // TODO -} - - -//---- virtual reserved methods ---------- - -void BGLView::_ReservedGLView1() {} -void BGLView::_ReservedGLView2() {} -void BGLView::_ReservedGLView3() {} -void BGLView::_ReservedGLView4() {} -void BGLView::_ReservedGLView5() {} -void BGLView::_ReservedGLView6() {} -void BGLView::_ReservedGLView7() {} -void BGLView::_ReservedGLView8() {} - -#if 0 -// Not implemented!!! - -BGLView::BGLView(const BGLView &v) - : BView(v) -{ - // XXX not sure how this should work - printf("Warning BGLView::copy constructor not implemented\n"); -} - -BGLView &BGLView::operator=(const BGLView &v) -{ - printf("Warning BGLView::operator= not implemented\n"); - return *this; -} -#endif - -void BGLView::dither_front() -{ - // no-op -} - -bool BGLView::confirm_dither() -{ - // no-op - return false; -} - -void BGLView::draw(BRect r) -{ - // XXX no-op ??? -} - -/* Direct Window stuff */ -void BGLView::drawScanline( int x1, int x2, int y, void *data ) -{ - // no-op -} - -void BGLView::scanlineHandler(struct rasStateRec *state, - GLint x1, GLint x2) -{ - // no-op -} - -void BGLView::lock_draw() -{ - // no-op -} - -void BGLView::unlock_draw() -{ - // no-op -} - -bool BGLView::validateView() -{ - // no-op - return true; -} - -// #pragma mark - - -MesaDriver::MesaDriver() -{ - m_glcontext = NULL; - m_glvisual = NULL; - m_glframebuffer = NULL; - m_bglview = NULL; - m_bitmap = NULL; - - m_clear_color[BE_RCOMP] = 0; - m_clear_color[BE_GCOMP] = 0; - m_clear_color[BE_BCOMP] = 0; - m_clear_color[BE_ACOMP] = 0; - - m_clear_index = 0; -} - - -MesaDriver::~MesaDriver() -{ - _mesa_destroy_visual(m_glvisual); - _mesa_destroy_framebuffer(m_glframebuffer); - _mesa_destroy_context(m_glcontext); - - delete m_bitmap; -} - - -void MesaDriver::Init(BGLView * bglview, struct gl_context * ctx, struct gl_config * visual, struct gl_framebuffer * framebuffer) -{ - m_bglview = bglview; - m_glcontext = ctx; - m_glvisual = visual; - m_glframebuffer = framebuffer; - - MesaDriver * md = (MesaDriver *) ctx->DriverCtx; - struct swrast_device_driver * swdd = _swrast_GetDeviceDriverReference( ctx ); - TNLcontext * tnl = TNL_CONTEXT(ctx); - - assert(md->m_glcontext == ctx ); - assert(tnl); - assert(swdd); - - // Use default TCL pipeline - tnl->Driver.RunPipeline = _tnl_run_pipeline; - - swdd->SetBuffer = this->SetBuffer; -} - - -void MesaDriver::LockGL() -{ - m_bglview->LockLooper(); - - UpdateState(m_glcontext, 0); - _mesa_make_current(m_glcontext, m_glframebuffer); -} - - -void MesaDriver::UnlockGL() -{ - if (m_bglview->Looper()->IsLocked()) - m_bglview->UnlockLooper(); - // Could call _mesa_make_current(NULL, NULL) but it would just - // hinder performance -} - - -void MesaDriver::SwapBuffers() const -{ - _mesa_notifySwapBuffers(m_glcontext); - - if (m_bitmap) { - m_bglview->LockLooper(); - m_bglview->DrawBitmap(m_bitmap); - m_bglview->UnlockLooper(); - }; -} - - -void MesaDriver::CopySubBuffer(GLint x, GLint y, GLuint width, GLuint height) const -{ - if (m_bitmap) { - // Source bitmap and view's bitmap are same size. - // Source and dest rectangle are the same. - // Note (x,y) = (0,0) is the lower-left corner, have to flip Y - BRect srcAndDest; - srcAndDest.left = x; - srcAndDest.right = x + width - 1; - srcAndDest.bottom = m_bottom - y; - srcAndDest.top = srcAndDest.bottom - height + 1; - m_bglview->DrawBitmap(m_bitmap, srcAndDest, srcAndDest); - } -} - -status_t MesaDriver::CopyPixelsOut(BPoint location, BBitmap *bitmap) -{ - color_space scs = m_bitmap->ColorSpace(); - color_space dcs = bitmap->ColorSpace(); - - if (scs != dcs && (scs != B_RGBA32 || dcs != B_RGB32)) { - printf("CopyPixelsOut(): incompatible color space: %s != %s\n", - color_space_name(scs), - color_space_name(dcs)); - return B_BAD_TYPE; - } - - // debugger("CopyPixelsOut()"); - - BRect sr = m_bitmap->Bounds(); - BRect dr = bitmap->Bounds(); - - sr = sr & dr.OffsetBySelf(location); - dr = sr.OffsetByCopy(-location.x, -location.y); - - uint8 *ps = (uint8 *) m_bitmap->Bits(); - uint8 *pd = (uint8 *) bitmap->Bits(); - uint32 *s, *d; - uint32 y; - for (y = (uint32) sr.top; y <= (uint32) sr.bottom; y++) { - s = (uint32 *) (ps + y * m_bitmap->BytesPerRow()); - s += (uint32) sr.left; - - d = (uint32 *) (pd + (y + (uint32) (dr.top - sr.top)) * bitmap->BytesPerRow()); - d += (uint32) dr.left; - - memcpy(d, s, dr.IntegerWidth() * 4); - } - return B_OK; -} - -status_t MesaDriver::CopyPixelsIn(BBitmap *bitmap, BPoint location) -{ - color_space scs = bitmap->ColorSpace(); - color_space dcs = m_bitmap->ColorSpace(); - - if (scs != dcs && (dcs != B_RGBA32 || scs != B_RGB32)) { - printf("CopyPixelsIn(): incompatible color space: %s != %s\n", - color_space_name(scs), - color_space_name(dcs)); - return B_BAD_TYPE; - } - - // debugger("CopyPixelsIn()"); - - BRect sr = bitmap->Bounds(); - BRect dr = m_bitmap->Bounds(); - - sr = sr & dr.OffsetBySelf(location); - dr = sr.OffsetByCopy(-location.x, -location.y); - - uint8 *ps = (uint8 *) bitmap->Bits(); - uint8 *pd = (uint8 *) m_bitmap->Bits(); - uint32 *s, *d; - uint32 y; - for (y = (uint32) sr.top; y <= (uint32) sr.bottom; y++) { - s = (uint32 *) (ps + y * bitmap->BytesPerRow()); - s += (uint32) sr.left; - - d = (uint32 *) (pd + (y + (uint32) (dr.top - sr.top)) * m_bitmap->BytesPerRow()); - d += (uint32) dr.left; - - memcpy(d, s, dr.IntegerWidth() * 4); - } - return B_OK; -} - - -void MesaDriver::Draw(BRect updateRect) const -{ - if (m_bitmap) - m_bglview->DrawBitmap(m_bitmap, updateRect, updateRect); -} - - -void MesaDriver::Error(struct gl_context *ctx) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - if (md && md->m_bglview) - md->m_bglview->ErrorCallback((unsigned long) ctx->ErrorValue); -} - -void MesaDriver::UpdateState( struct gl_context *ctx, GLuint new_state ) -{ - struct swrast_device_driver * swdd = _swrast_GetDeviceDriverReference( ctx ); - - _swrast_InvalidateState( ctx, new_state ); - _swsetup_InvalidateState( ctx, new_state ); - _vbo_InvalidateState( ctx, new_state ); - _tnl_InvalidateState( ctx, new_state ); - - if (ctx->Color.DrawBuffer[0] == GL_FRONT) { - /* read/write front buffer */ - swdd->WriteRGBASpan = MesaDriver::WriteRGBASpanFront; - swdd->WriteRGBSpan = MesaDriver::WriteRGBSpanFront; - swdd->WriteRGBAPixels = MesaDriver::WriteRGBAPixelsFront; - swdd->WriteMonoRGBASpan = MesaDriver::WriteMonoRGBASpanFront; - swdd->WriteMonoRGBAPixels = MesaDriver::WriteMonoRGBAPixelsFront; - swdd->WriteCI32Span = MesaDriver::WriteCI32SpanFront; - swdd->WriteCI8Span = MesaDriver::WriteCI8SpanFront; - swdd->WriteMonoCISpan = MesaDriver::WriteMonoCISpanFront; - swdd->WriteCI32Pixels = MesaDriver::WriteCI32PixelsFront; - swdd->WriteMonoCIPixels = MesaDriver::WriteMonoCIPixelsFront; - swdd->ReadRGBASpan = MesaDriver::ReadRGBASpanFront; - swdd->ReadRGBAPixels = MesaDriver::ReadRGBAPixelsFront; - swdd->ReadCI32Span = MesaDriver::ReadCI32SpanFront; - swdd->ReadCI32Pixels = MesaDriver::ReadCI32PixelsFront; - } - else { - /* read/write back buffer */ - swdd->WriteRGBASpan = MesaDriver::WriteRGBASpanBack; - swdd->WriteRGBSpan = MesaDriver::WriteRGBSpanBack; - swdd->WriteRGBAPixels = MesaDriver::WriteRGBAPixelsBack; - swdd->WriteMonoRGBASpan = MesaDriver::WriteMonoRGBASpanBack; - swdd->WriteMonoRGBAPixels = MesaDriver::WriteMonoRGBAPixelsBack; - swdd->WriteCI32Span = MesaDriver::WriteCI32SpanBack; - swdd->WriteCI8Span = MesaDriver::WriteCI8SpanBack; - swdd->WriteMonoCISpan = MesaDriver::WriteMonoCISpanBack; - swdd->WriteCI32Pixels = MesaDriver::WriteCI32PixelsBack; - swdd->WriteMonoCIPixels = MesaDriver::WriteMonoCIPixelsBack; - swdd->ReadRGBASpan = MesaDriver::ReadRGBASpanBack; - swdd->ReadRGBAPixels = MesaDriver::ReadRGBAPixelsBack; - swdd->ReadCI32Span = MesaDriver::ReadCI32SpanBack; - swdd->ReadCI32Pixels = MesaDriver::ReadCI32PixelsBack; - } -} - - -void MesaDriver::ClearIndex(struct gl_context *ctx, GLuint index) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - md->m_clear_index = index; -} - - -void MesaDriver::ClearColor(struct gl_context *ctx, const GLfloat color[4]) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - CLAMPED_FLOAT_TO_CHAN(md->m_clear_color[BE_RCOMP], color[0]); - CLAMPED_FLOAT_TO_CHAN(md->m_clear_color[BE_GCOMP], color[1]); - CLAMPED_FLOAT_TO_CHAN(md->m_clear_color[BE_BCOMP], color[2]); - CLAMPED_FLOAT_TO_CHAN(md->m_clear_color[BE_ACOMP], color[3]); - assert(md->m_bglview); -} - - -void MesaDriver::Clear(struct gl_context *ctx, GLbitfield mask, - GLboolean all, GLint x, GLint y, - GLint width, GLint height) -{ - if (mask & DD_FRONT_LEFT_BIT) - ClearFront(ctx, all, x, y, width, height); - if (mask & DD_BACK_LEFT_BIT) - ClearBack(ctx, all, x, y, width, height); - - mask &= ~(DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT); - if (mask) - _swrast_Clear( ctx, mask, all, x, y, width, height ); - - return; -} - - -void MesaDriver::ClearFront(struct gl_context *ctx, - GLboolean all, GLint x, GLint y, - GLint width, GLint height) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BGLView *bglview = md->m_bglview; - assert(bglview); - - bglview->SetHighColor(md->m_clear_color[BE_RCOMP], - md->m_clear_color[BE_GCOMP], - md->m_clear_color[BE_BCOMP], - md->m_clear_color[BE_ACOMP]); - bglview->SetLowColor(md->m_clear_color[BE_RCOMP], - md->m_clear_color[BE_GCOMP], - md->m_clear_color[BE_BCOMP], - md->m_clear_color[BE_ACOMP]); - if (all) { - BRect b = bglview->Bounds(); - bglview->FillRect(b); - } - else { - // XXX untested - BRect b; - b.left = x; - b.right = x + width; - b.bottom = md->m_height - y - 1; - b.top = b.bottom - height; - bglview->FillRect(b); - } - - // restore drawing color -#if 0 - bglview->SetHighColor(md->mColor[BE_RCOMP], - md->mColor[BE_GCOMP], - md->mColor[BE_BCOMP], - md->mColor[BE_ACOMP]); - bglview->SetLowColor(md->mColor[BE_RCOMP], - md->mColor[BE_GCOMP], - md->mColor[BE_BCOMP], - md->mColor[BE_ACOMP]); -#endif -} - - -void MesaDriver::ClearBack(struct gl_context *ctx, - GLboolean all, GLint x, GLint y, - GLint width, GLint height) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BGLView *bglview = md->m_bglview; - assert(bglview); - BBitmap *bitmap = md->m_bitmap; - assert(bitmap); - GLuint *start = (GLuint *) bitmap->Bits(); - const GLuint *clearPixelPtr = (const GLuint *) md->m_clear_color; - const GLuint clearPixel = B_LENDIAN_TO_HOST_INT32(*clearPixelPtr); - - if (all) { - const int numPixels = md->m_width * md->m_height; - if (clearPixel == 0) { - memset(start, 0, numPixels * 4); - } - else { - for (int i = 0; i < numPixels; i++) { - start[i] = clearPixel; - } - } - } - else { - // XXX untested - start += y * md->m_width + x; - for (int i = 0; i < height; i++) { - for (int j = 0; j < width; j++) { - start[j] = clearPixel; - } - start += md->m_width; - } - } -} - - -void MesaDriver::SetBuffer(struct gl_context *ctx, struct gl_framebuffer *buffer, - GLenum mode) -{ - /* TODO */ - (void) ctx; - (void) buffer; - (void) mode; -} - -void MesaDriver::GetBufferSize(struct gl_framebuffer * framebuffer, GLuint *width, - GLuint *height) -{ - GET_CURRENT_CONTEXT(ctx); - if (!ctx) - return; - - MesaDriver * md = (MesaDriver *) ctx->DriverCtx; - BGLView *bglview = md->m_bglview; - assert(bglview); - - BRect b = bglview->Bounds(); - *width = (GLuint) b.IntegerWidth() + 1; // (b.right - b.left + 1); - *height = (GLuint) b.IntegerHeight() + 1; // (b.bottom - b.top + 1); - md->m_bottom = (GLint) b.bottom; - - if (ctx->Visual.doubleBufferMode) { - if (*width != md->m_width || *height != md->m_height) { - // allocate new size of back buffer bitmap - if (md->m_bitmap) - delete md->m_bitmap; - BRect rect(0.0, 0.0, *width - 1, *height - 1); - md->m_bitmap = new BBitmap(rect, B_RGBA32); - } - } - else - { - md->m_bitmap = NULL; - } - - md->m_width = *width; - md->m_height = *height; -} - - -void MesaDriver::Viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h) -{ - /* poll for window size change and realloc software Z/stencil/etc if needed */ - _mesa_ResizeBuffersMESA(); -} - - -const GLubyte *MesaDriver::GetString(struct gl_context *ctx, GLenum name) -{ - switch (name) { - case GL_RENDERER: - return (const GLubyte *) "Mesa " MESA_VERSION_STRING " powered BGLView (software)"; - default: - // Let core library handle all other cases - return NULL; - } -} - - -// Plot a pixel. (0,0) is upper-left corner -// This is only used when drawing to the front buffer. -inline void Plot(BGLView *bglview, int x, int y) -{ - // XXX There's got to be a better way! - BPoint p(x, y), q(x+1, y); - bglview->StrokeLine(p, q); -} - - -void MesaDriver::WriteRGBASpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - CONST GLubyte rgba[][4], - const GLubyte mask[]) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BGLView *bglview = md->m_bglview; - assert(bglview); - int flippedY = md->m_bottom - y; - if (mask) { - for (GLuint i = 0; i < n; i++) { - if (mask[i]) { - bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2], rgba[i][3]); - Plot(bglview, x++, flippedY); - } - } - } - else { - for (GLuint i = 0; i < n; i++) { - bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2], rgba[i][3]); - Plot(bglview, x++, flippedY); - } - } -} - -void MesaDriver::WriteRGBSpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - CONST GLubyte rgba[][3], - const GLubyte mask[]) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BGLView *bglview = md->m_bglview; - assert(bglview); - int flippedY = md->m_bottom - y; - if (mask) { - for (GLuint i = 0; i < n; i++) { - if (mask[i]) { - bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]); - Plot(bglview, x++, flippedY); - } - } - } - else { - for (GLuint i = 0; i < n; i++) { - bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]); - Plot(bglview, x++, flippedY); - } - } -} - -void MesaDriver::WriteMonoRGBASpanFront(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - const GLchan color[4], - const GLubyte mask[]) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BGLView *bglview = md->m_bglview; - assert(bglview); - int flippedY = md->m_bottom - y; - bglview->SetHighColor(color[RCOMP], color[GCOMP], color[BCOMP]); - if (mask) { - for (GLuint i = 0; i < n; i++) { - if (mask[i]) { - Plot(bglview, x++, flippedY); - } - } - } - else { - for (GLuint i = 0; i < n; i++) { - Plot(bglview, x++, flippedY); - } - } -} - -void MesaDriver::WriteRGBAPixelsFront(const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - CONST GLubyte rgba[][4], - const GLubyte mask[] ) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BGLView *bglview = md->m_bglview; - assert(bglview); - if (mask) { - for (GLuint i = 0; i < n; i++) { - if (mask[i]) { - bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]); - Plot(bglview, x[i], md->m_bottom - y[i]); - } - } - } - else { - for (GLuint i = 0; i < n; i++) { - bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]); - Plot(bglview, x[i], md->m_bottom - y[i]); - } - } -} - - -void MesaDriver::WriteMonoRGBAPixelsFront(const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - const GLchan color[4], - const GLubyte mask[]) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BGLView *bglview = md->m_bglview; - assert(bglview); - // plot points using current color - bglview->SetHighColor(color[RCOMP], color[GCOMP], color[BCOMP]); - if (mask) { - for (GLuint i = 0; i < n; i++) { - if (mask[i]) { - Plot(bglview, x[i], md->m_bottom - y[i]); - } - } - } - else { - for (GLuint i = 0; i < n; i++) { - Plot(bglview, x[i], md->m_bottom - y[i]); - } - } -} - - -void MesaDriver::WriteCI32SpanFront( const struct gl_context *ctx, GLuint n, GLint x, GLint y, - const GLuint index[], const GLubyte mask[] ) -{ - printf("WriteCI32SpanFront() not implemented yet!\n"); - // TODO -} - -void MesaDriver::WriteCI8SpanFront( const struct gl_context *ctx, GLuint n, GLint x, GLint y, - const GLubyte index[], const GLubyte mask[] ) -{ - printf("WriteCI8SpanFront() not implemented yet!\n"); - // TODO -} - -void MesaDriver::WriteMonoCISpanFront( const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - GLuint colorIndex, const GLubyte mask[] ) -{ - printf("WriteMonoCISpanFront() not implemented yet!\n"); - // TODO -} - - -void MesaDriver::WriteCI32PixelsFront( const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - const GLuint index[], const GLubyte mask[] ) -{ - printf("WriteCI32PixelsFront() not implemented yet!\n"); - // TODO -} - -void MesaDriver::WriteMonoCIPixelsFront( const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[] ) -{ - printf("WriteMonoCIPixelsFront() not implemented yet!\n"); - // TODO -} - - -void MesaDriver::ReadCI32SpanFront( const struct gl_context *ctx, - GLuint n, GLint x, GLint y, GLuint index[] ) -{ - printf("ReadCI32SpanFront() not implemented yet!\n"); - // TODO -} - - -void MesaDriver::ReadRGBASpanFront( const struct gl_context *ctx, GLuint n, - GLint x, GLint y, GLubyte rgba[][4] ) -{ - printf("ReadRGBASpanFront() not implemented yet!\n"); - // TODO -} - - -void MesaDriver::ReadCI32PixelsFront( const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint indx[], const GLubyte mask[] ) -{ - printf("ReadCI32PixelsFront() not implemented yet!\n"); - // TODO -} - - -void MesaDriver::ReadRGBAPixelsFront( const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - GLubyte rgba[][4], const GLubyte mask[] ) -{ - printf("ReadRGBAPixelsFront() not implemented yet!\n"); - // TODO -} - - - - -void MesaDriver::WriteRGBASpanBack(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - CONST GLubyte rgba[][4], - const GLubyte mask[]) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BBitmap *bitmap = md->m_bitmap; - - assert(bitmap); - - int row = md->m_bottom - y; - uint8 * ptr = (uint8 *) bitmap->Bits() + (row * bitmap->BytesPerRow()) + x * 4; - uint32 * pixel = (uint32 *) ptr; - - if (mask) { - while(n--) { - if (*mask++) - *pixel = PACK_B_RGBA32(rgba[0]); - pixel++; - rgba++; - }; - } else { - while(n--) { - *pixel++ = PACK_B_RGBA32(rgba[0]); - rgba++; - }; - }; - } - - -void MesaDriver::WriteRGBSpanBack(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - CONST GLubyte rgb[][3], - const GLubyte mask[]) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BBitmap *bitmap = md->m_bitmap; - - assert(bitmap); - - int row = md->m_bottom - y; - uint8 * ptr = (uint8 *) bitmap->Bits() + (row * bitmap->BytesPerRow()) + x * 4; - uint32 * pixel = (uint32 *) ptr; - - if (mask) { - while(n--) { - if (*mask++) - *pixel = PACK_B_RGB32(rgb[0]); - pixel++; - rgb++; - }; - } else { - while(n--) { - *pixel++ = PACK_B_RGB32(rgb[0]); - rgb++; - }; - }; -} - - - - -void MesaDriver::WriteMonoRGBASpanBack(const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - const GLchan color[4], const GLubyte mask[]) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BBitmap *bitmap = md->m_bitmap; - - assert(bitmap); - - int row = md->m_bottom - y; - uint8 * ptr = (uint8 *) bitmap->Bits() + (row * bitmap->BytesPerRow()) + x * 4; - uint32 * pixel = (uint32 *) ptr; - uint32 pixel_color = PACK_B_RGBA32(color); - - if (mask) { - while(n--) { - if (*mask++) - *pixel = pixel_color; - pixel++; - }; - } else { - while(n--) { - *pixel++ = pixel_color; - }; - }; -} - - -void MesaDriver::WriteRGBAPixelsBack(const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - CONST GLubyte rgba[][4], - const GLubyte mask[] ) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BBitmap *bitmap = md->m_bitmap; - - assert(bitmap); -#if 0 - while(n--) { - if (*mask++) { - int row = md->m_bottom - *y; - uint8 * pixel = (uint8 *) bitmap->Bits() + (row * bitmap->BytesPerRow()) + *x * 4; - *((uint32 *) pixel) = PACK_B_RGBA32(rgba[0]); - }; - x++; - y++; - rgba++; - }; -#else - if (mask) { - for (GLuint i = 0; i < n; i++) { - if (mask[i]) { - GLubyte *pixel = (GLubyte *) bitmap->Bits() - + ((md->m_bottom - y[i]) * bitmap->BytesPerRow()) + x[i] * 4; - pixel[BE_RCOMP] = rgba[i][RCOMP]; - pixel[BE_GCOMP] = rgba[i][GCOMP]; - pixel[BE_BCOMP] = rgba[i][BCOMP]; - pixel[BE_ACOMP] = rgba[i][ACOMP]; - } - } - } - else { - for (GLuint i = 0; i < n; i++) { - GLubyte *pixel = (GLubyte *) bitmap->Bits() - + ((md->m_bottom - y[i]) * bitmap->BytesPerRow()) + x[i] * 4; - pixel[BE_RCOMP] = rgba[i][RCOMP]; - pixel[BE_GCOMP] = rgba[i][GCOMP]; - pixel[BE_BCOMP] = rgba[i][BCOMP]; - pixel[BE_ACOMP] = rgba[i][ACOMP]; - } - } -#endif -} - - -void MesaDriver::WriteMonoRGBAPixelsBack(const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - const GLchan color[4], - const GLubyte mask[]) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - BBitmap *bitmap = md->m_bitmap; - - assert(bitmap); - - uint32 pixel_color = PACK_B_RGBA32(color); -#if 0 - while(n--) { - if (*mask++) { - int row = md->m_bottom - *y; - uint8 * pixel = (uint8 *) bitmap->Bits() + (row * bitmap->BytesPerRow()) + *x * 4; - - *((uint32 *) pixel) = pixel_color; - }; - x++; - y++; - }; -#else - if (mask) { - for (GLuint i = 0; i < n; i++) { - if (mask[i]) { - GLubyte * ptr = (GLubyte *) bitmap->Bits() - + ((md->m_bottom - y[i]) * bitmap->BytesPerRow()) + x[i] * 4; - *((uint32 *) ptr) = pixel_color; - } - } - } - else { - for (GLuint i = 0; i < n; i++) { - GLubyte * ptr = (GLubyte *) bitmap->Bits() - + ((md->m_bottom - y[i]) * bitmap->BytesPerRow()) + x[i] * 4; - *((uint32 *) ptr) = pixel_color; - } - } -#endif -} - - -void MesaDriver::WriteCI32SpanBack( const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - const GLuint index[], const GLubyte mask[] ) -{ - printf("WriteCI32SpanBack() not implemented yet!\n"); - // TODO -} - -void MesaDriver::WriteCI8SpanBack( const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - const GLubyte index[], const GLubyte mask[] ) -{ - printf("WriteCI8SpanBack() not implemented yet!\n"); - // TODO -} - -void MesaDriver::WriteMonoCISpanBack( const struct gl_context *ctx, GLuint n, - GLint x, GLint y, - GLuint colorIndex, const GLubyte mask[] ) -{ - printf("WriteMonoCISpanBack() not implemented yet!\n"); - // TODO -} - - -void MesaDriver::WriteCI32PixelsBack( const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - const GLuint index[], const GLubyte mask[] ) -{ - printf("WriteCI32PixelsBack() not implemented yet!\n"); - // TODO -} - -void MesaDriver::WriteMonoCIPixelsBack( const struct gl_context *ctx, GLuint n, - const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[] ) -{ - printf("WriteMonoCIPixelsBack() not implemented yet!\n"); - // TODO -} - - -void MesaDriver::ReadCI32SpanBack( const struct gl_context *ctx, - GLuint n, GLint x, GLint y, GLuint index[] ) -{ - printf("ReadCI32SpanBack() not implemented yet!\n"); - // TODO -} - - -void MesaDriver::ReadRGBASpanBack( const struct gl_context *ctx, GLuint n, - GLint x, GLint y, GLubyte rgba[][4] ) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - const BBitmap *bitmap = md->m_bitmap; - assert(bitmap); - int row = md->m_bottom - y; - const GLubyte *pixel = (GLubyte *) bitmap->Bits() - + (row * bitmap->BytesPerRow()) + x * 4; - - for (GLuint i = 0; i < n; i++) { - rgba[i][RCOMP] = pixel[BE_RCOMP]; - rgba[i][GCOMP] = pixel[BE_GCOMP]; - rgba[i][BCOMP] = pixel[BE_BCOMP]; - rgba[i][ACOMP] = pixel[BE_ACOMP]; - pixel += 4; - } -} - - -void MesaDriver::ReadCI32PixelsBack( const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint indx[], const GLubyte mask[] ) -{ - printf("ReadCI32PixelsBack() not implemented yet!\n"); - // TODO -} - - -void MesaDriver::ReadRGBAPixelsBack( const struct gl_context *ctx, - GLuint n, const GLint x[], const GLint y[], - GLubyte rgba[][4], const GLubyte mask[] ) -{ - MesaDriver *md = (MesaDriver *) ctx->DriverCtx; - const BBitmap *bitmap = md->m_bitmap; - assert(bitmap); - - if (mask) { - for (GLuint i = 0; i < n; i++) { - if (mask[i]) { - GLubyte *pixel = (GLubyte *) bitmap->Bits() - + ((md->m_bottom - y[i]) * bitmap->BytesPerRow()) + x[i] * 4; - rgba[i][RCOMP] = pixel[BE_RCOMP]; - rgba[i][GCOMP] = pixel[BE_GCOMP]; - rgba[i][BCOMP] = pixel[BE_BCOMP]; - rgba[i][ACOMP] = pixel[BE_ACOMP]; - }; - }; - } else { - for (GLuint i = 0; i < n; i++) { - GLubyte *pixel = (GLubyte *) bitmap->Bits() - + ((md->m_bottom - y[i]) * bitmap->BytesPerRow()) + x[i] * 4; - rgba[i][RCOMP] = pixel[BE_RCOMP]; - rgba[i][GCOMP] = pixel[BE_GCOMP]; - rgba[i][BCOMP] = pixel[BE_BCOMP]; - rgba[i][ACOMP] = pixel[BE_ACOMP]; - }; - }; -} - -const char * color_space_name(color_space space) -{ -#define C2N(a) case a: return #a - - switch (space) { - C2N(B_RGB24); - C2N(B_RGB32); - C2N(B_RGBA32); - C2N(B_RGB32_BIG); - C2N(B_RGBA32_BIG); - C2N(B_GRAY8); - C2N(B_GRAY1); - C2N(B_RGB16); - C2N(B_RGB15); - C2N(B_RGBA15); - C2N(B_CMAP8); - default: - return "Unknown!"; - }; - -#undef C2N -}; - - |