diff options
Diffstat (limited to 'src/mesa/drivers/d3d/D3Dvbrender.c')
| -rw-r--r-- | src/mesa/drivers/d3d/D3Dvbrender.c | 2149 |
1 files changed, 2149 insertions, 0 deletions
diff --git a/src/mesa/drivers/d3d/D3Dvbrender.c b/src/mesa/drivers/d3d/D3Dvbrender.c new file mode 100644 index 00000000000..09857f1dc8d --- /dev/null +++ b/src/mesa/drivers/d3d/D3Dvbrender.c @@ -0,0 +1,2149 @@ +/*===========================================================================*/ +/* */ +/* Mesa-3.0 DirectX 6 Driver */ +/* */ +/* By Leigh McRae */ +/* */ +/* http://www.altsoftware.com/ */ +/* */ +/* Copyright (c) 1999-1998 alt.software inc. All Rights Reserved */ +/*===========================================================================*/ +#include <stdio.h> +#include "clip.h" +#include "context.h" +#include "light.h" +#include "lines.h" +#include "macros.h" +#include "matrix.h" +#include "pb.h" +#include "points.h" +#include "mtypes.h" +#include "vb.h" +#include "vbrender.h" +#include "xform.h" +#include "D3DMesa.h" + +static void SetRenderStates( GLcontext *ctx ); +static void DebugRenderStates( GLcontext *ctx, BOOL bForce ); + +static void RenderPointsVB( GLcontext *ctx, GLuint start, GLuint end ); +static void RenderTriangleVB( GLcontext *ctx, GLuint start, GLuint end ); +static void RenderTriangleFanVB( GLcontext *ctx, GLuint start, GLuint end ); +static void RenderTriangleStripVB( GLcontext *ctx, GLuint start, GLuint end ); +static void RenderQuadVB( GLcontext *ctx, GLuint start, GLuint end ); +static void RenderQuad( GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint v4, GLuint pv ); +void RenderOneTriangle( GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint pv ); +void RenderOneLine( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv ); + +/* I went with a D3D vertex buffer that is 6 times that of the Mesa one */ +/* instead of having the D3D one flush when its full. This way Mesa will*/ +/* handle all the flushing. I need x6 as points can use 4 vertex each. */ +D3DTLVERTEX D3DTLVertices[ (VB_MAX*6) ]; +GLuint VList[VB_SIZE]; +/*===========================================================================*/ +/* Compute Z offsets for a polygon with plane defined by (A,B,C,D) */ +/* D is not needed. TODO: Currently we are calculating this but not using it.*/ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void OffsetPolygon( GLcontext *ctx, GLfloat a, GLfloat b, GLfloat c ) +{ + GLfloat ac, + bc, + m, + offset; + + DPF(( DBG_FUNC, "OffsetPolygon();" )); + + if ( (c < 0.001F) && (c > - 0.001F) ) + { + /* Prevents underflow problems. */ + ctx->PointZoffset = 0.0F; + ctx->LineZoffset = 0.0F; + ctx->PolygonZoffset = 0.0F; + } + else + { + ac = a / c; + bc = b / c; + if ( ac < 0.0F ) + ac = -ac; + if ( bc<0.0F ) + bc = -bc; + m = MAX2( ac, bc ); /* m = sqrt( ac*ac + bc*bc ); */ + + offset = (m * ctx->Polygon.OffsetFactor + ctx->Polygon.OffsetUnits); + ctx->PointZoffset = ctx->Polygon.OffsetPoint ? offset : 0.0F; + ctx->LineZoffset = ctx->Polygon.OffsetLine ? offset : 0.0F; + ctx->PolygonZoffset = ctx->Polygon.OffsetFill ? offset : 0.0F; + } + + DPF(( DBG_PRIM_INFO, "OffsetPolygon: %f", offset )); +} +/*===========================================================================*/ +/* Compute signed area of the n-sided polgyon specified by vertices */ +/* vb->Win[] and vertex list vlist[]. */ +/* A clockwise polygon will return a negative area. A counter-clockwise */ +/* polygon will return a positive area. I have changed this function to */ +/* actually calculate twice the area as its faster and still gives the sign. */ +/*===========================================================================*/ +/* RETURN: signed area of the polgon. */ +/*===========================================================================*/ +static GLfloat PolygonArea( const struct vertex_buffer *vb, GLuint n, const GLuint vlist[] ) +{ + GLfloat area; + GLuint i; + + DPF(( DBG_FUNC, "PolygonArea();" )); + +#define j0 vlist[i] +#define j1 vlist[(i+1)%n] +#define x0 vb->Win[j0][0] +#define y0 vb->Win[j0][1] +#define x1 vb->Win[j1][0] +#define y1 vb->Win[j1][1] + + /* area = sum of trapezoids */ + for( i = 0, area = 0.0; i < n; i++ ) + area += ((x0 - x1) * (y0 + y1)); /* Note: no divide by two here! */ + +#undef x0 +#undef y0 +#undef x1 +#undef y1 +#undef j1 +#undef j0 + + // TODO: I don't see the point or * 0.5 as we just want the sign... + return area; +} +/*===========================================================================*/ +/* Render a polygon that needs clipping on at least one vertex. The function*/ +/* will first clip the polygon to any user clipping planes then clip to the */ +/* viewing volume. The final polygon will be draw as single triangles that */ +/* first need minor proccessing (culling, offset, etc) before we draw the */ +/* polygon as a fan. NOTE: the fan is draw as single triangles as its not */ +/* formed sequentaly in the VB but is in the vlist[]. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void RenderClippedPolygon( GLcontext *ctx, GLuint n, GLuint vlist[] ) +{ + struct vertex_buffer *VB = ctx->VB; + GLfloat (*win)[3] = VB->Win, + *proj = ctx->ProjectionMatrix, + ex, ey, + fx, fy, c, + wInv; + GLuint index, + pv, + facing; + + DPF(( DBG_FUNC, "RenderClippedPolygon();" )); + + DPF(( DBG_PRIM_INFO, "RenderClippedtPolygon( %d )", n )); + + /* Which vertex dictates the color when flat shading. */ + pv = (ctx->Primitive==GL_POLYGON) ? vlist[0] : vlist[n-1]; + + /* Clipping may introduce new vertices. New vertices will be stored in */ + /* the vertex buffer arrays starting with location VB->Free. After we've*/ + /* rendered the polygon, these extra vertices can be overwritten. */ + VB->Free = VB_MAX; + + /* Clip against user clipping planes in eye coord space. */ + if ( ctx->Transform.AnyClip ) + { + n = gl_userclip_polygon( ctx, n, vlist ); + if ( n < 3 ) + return; + + /* Transform vertices from eye to clip coordinates: clip = Proj * eye */ + for( index = 0; index < n; index++ ) + { + TRANSFORM_POINT( VB->Clip[vlist[index]], proj, VB->Eye[vlist[index]] ); + } + } + + /* Clip against view volume in clip coord space */ + n = gl_viewclip_polygon( ctx, n, vlist ); + if ( n < 3 ) + return; + + /* Transform new vertices from clip to ndc to window coords. */ + /* ndc = clip / W window = viewport_mapping(ndc) */ + /* Note that window Z values are scaled to the range of integer */ + /* depth buffer values. */ + + /* Only need to compute window coords for new vertices */ + for( index = VB_MAX; index < VB->Free; index++ ) + { + if ( VB->Clip[index][3] != 0.0F ) + { + wInv = 1.0F / VB->Clip[index][3]; + + win[index][0] = VB->Clip[index][0] * wInv * ctx->Viewport.Sx + ctx->Viewport.Tx; + win[index][1] = VB->Clip[index][1] * wInv * ctx->Viewport.Sy + ctx->Viewport.Ty; + win[index][2] = VB->Clip[index][2] * wInv * ctx->Viewport.Sz + ctx->Viewport.Tz; + } + else + { + /* Can't divide by zero, so... */ + win[index][0] = win[index][1] = win[index][2] = 0.0F; + } + } + + /* Draw filled polygon as a triangle fan */ + for( index = 2; index < n; index++ ) + { + /* Compute orientation of triangle */ + ex = win[vlist[index-1]][0] - win[vlist[0]][0]; + ey = win[vlist[index-1]][1] - win[vlist[0]][1]; + fx = win[vlist[index]][0] - win[vlist[0]][0]; + fy = win[vlist[index]][1] - win[vlist[0]][1]; + c = (ex * fy) - (ey * fx); + + /* polygon is perpindicular to view plane, don't draw it */ + if ( (c == 0.0F) && !ctx->Polygon.Unfilled ) + continue; + + /* Backface culling. */ + facing = (c < 0.0F) ^ ctx->Polygon.FrontBit; + if ( (facing + 1) & ctx->Polygon.CullBits ) + continue; + + if ( ctx->IndirectTriangles & DD_TRI_LIGHT_TWOSIDE ) + { + if ( facing == 1 ) + { + /* use back color */ + VB->Color = VB->Bcolor; + VB->Specular= VB->Bspec; + } + else + { + /* use front color */ + VB->Color = VB->Fcolor; + VB->Specular= VB->Fspec; + } + } + + if ( ctx->IndirectTriangles & DD_TRI_OFFSET ) + { + /* finish computing plane equation of polygon, compute offset */ + GLfloat fz = win[vlist[index]][2] - win[vlist[0]][2]; + GLfloat ez = win[vlist[index-1]][2] - win[vlist[0]][2]; + GLfloat a = (ey * fz) - (ez * fy); + GLfloat b = (ez * fx) - (ex * fz); + OffsetPolygon( ctx, a, b, c ); + } + RenderOneTriangle( ctx, vlist[0], vlist[index-1], vlist[index], pv ); + } +} +/*===========================================================================*/ +/* This function gets called when either the vertex buffer is full or glEnd */ +/* has been called. If the we aren't in rendering mode (FEEDBACK) then I */ +/* pass the vertex buffer back to Mesa to deal with by returning FALSE. */ +/* If I can render the primitive types in the buffer directly then I will */ +/* return TRUE after I render the vertex buffer and reset the vertex buffer. */ +/* */ +/* TODO: I don't handle the special case of when the vertex buffer is full */ +/* and we have a primitive that bounds this buffer and the next one to */ +/* come. I'm not sure right now if Mesa handles this for me... */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +GLboolean RenderVertexBuffer( GLcontext *ctx, GLboolean allDone ) +{ + struct vertex_buffer *VB = ctx->VB; + GLuint index, + vlist[VB_SIZE]; + + DPF(( DBG_FUNC, "RenderVertexBuffer();" )); + + /* We only need to hook actual tri's that need rendering. */ + if ( ctx->RenderMode != GL_RENDER ) + { + // (ctx->Visual->AccumBits > 0) ) + // (ctx->Visual->StencilBits > 0) ) + DPF(( DBG_PRIM_INFO, "Passing VB back to Mesa" )); + return FALSE; + } + + /* I'm going to set the states here so that all functions will */ + /* be assured to have the right states. If Mesa's vertex bufefr */ + /* function calls one of my primitive functions (TRI,POINT,LINE) */ + /* it will need the right states. So instead of doing it in the */ + /* primitive function I will always do it here at risk of some */ + /* slow down to some cases... */ + SetRenderStates( ctx ); + + switch( ctx->Primitive ) + { + case GL_POINTS: + DPF(( DBG_PRIM_INFO, "GL_POINTS( %d )", VB->Count )); + RenderPointsVB( ctx, 0, VB->Count ); + break; + + case GL_LINES: + case GL_LINE_STRIP: + case GL_LINE_LOOP: + /* Not supported functions yet so pass back that we failed to */ + /* render the vertex buffer and Mesa will have to do it. */ + DPF(( DBG_PRIM_INFO, "GL_LINE_?( %d )", VB->Count )); + return FALSE; + + case GL_TRIANGLES: + if ( VB->Count < 3 ) + { + DPF(( DBG_PRIM_WARN, "GL_TRIANGLES( %d )", VB->Count )); + return FALSE; + } + + DPF(( DBG_PRIM_INFO, "GL_TRIANGLES( %d )", VB->Count )); + RenderTriangleVB( ctx, 0, VB->Count ); + break; + + case GL_TRIANGLE_STRIP: + if ( VB->Count < 3 ) + { + DPF(( DBG_PRIM_WARN, "GL_TRIANGLE_STRIP( %d )", VB->Count )); + return FALSE; + } + + DPF(( DBG_PRIM_INFO, "GL_TRIANGLE_STRIP( %d )", VB->Count )); + RenderTriangleStripVB( ctx, 0, VB->Count ); + break; + + case GL_TRIANGLE_FAN: + if ( VB->Count < 3 ) + { + DPF(( DBG_PRIM_WARN, "GL_TRIANGLE_FAN( %d )", VB->Count )); + return FALSE; + } + + DPF(( DBG_PRIM_INFO, "GL_TRIANGLE_FAN( %d )", VB->Count )); + RenderTriangleFanVB( ctx, 0, VB->Count ); + break; + + case GL_QUADS: + if ( VB->Count < 4 ) + { + DPF(( DBG_PRIM_WARN, "GL_QUADS( %d )", VB->Count )); + return FALSE; + } + + DPF(( DBG_PRIM_INFO, "GL_QUADS( %d )", VB->Count )); + RenderQuadVB( ctx, 0, VB->Count ); + break; + + case GL_QUAD_STRIP: + if ( VB->Count < 4 ) + { + DPF(( DBG_PRIM_WARN, "GL_QUAD_STRIP( %d )", VB->Count )); + return FALSE; + } + + DPF(( DBG_PRIM_INFO, "GL_QUAD_STRIP( %d )", VB->Count )); + + if ( VB->ClipOrMask ) + { + for( index = 3; index < VB->Count; index += 2 ) + { + if ( VB->ClipMask[index-3] & VB->ClipMask[index-2] & VB->ClipMask[index-1] & VB->ClipMask[index] & CLIP_ALL_BITS ) + { + /* All points clipped by common plane */ + DPF(( DBG_PRIM_WARN, "GL_QUAD_STRIP( %d )", VB->Count )); + continue; + } + else if ( VB->ClipMask[index-3] | VB->ClipMask[index-2] | VB->ClipMask[index-1] | VB->ClipMask[index] ) + { + vlist[0] = index - 3; + vlist[1] = index - 2; + vlist[2] = index; + vlist[3] = index - 1; + RenderClippedPolygon( ctx, 4, vlist ); + } + else + { + RenderQuad( ctx, (index-3), (index-2), index, (index-1), index ); + } + } + } + else + { + /* No clipping needed */ + for( index = 3; index < VB->Count; index += 2 ) + RenderQuad( ctx, (index-3), (index-2), index, (index-1), index ); + } + break; + + case GL_POLYGON: + if ( VB->Count < 3 ) + { + DPF(( DBG_PRIM_WARN, "GL_POLYGON( %d )", VB->Count )); + return FALSE; + } + + DPF(( DBG_PRIM_INFO, "GL_POLYGON( %d )", VB->Count )); + + /* All points clipped by common plane, draw nothing */ + if ( !(VB->ClipAndMask & CLIP_ALL_BITS) ) + RenderTriangleFanVB( ctx, 0, VB->Count ); + break; + + default: + /* should never get here */ + _mesa_problem( ctx, "invalid mode in gl_render_vb" ); + } + + DPF(( DBG_PRIM_INFO, "ResetVB" )); + + /* We return TRUE to indicate we rendered the VB. */ + gl_reset_vb( ctx, allDone ); + return TRUE; +} +/*===========================================================================*/ +/* This function will render the current vertex buffer as triangles. The */ +/* buffer has to be able to be rendered directly. This means that we are */ +/* filled, no offsets, no culling and one sided rendering. Also we must be */ +/* in render mode of course. */ +/* First I will fill the global D3D vertice buffer. Next I will set all the*/ +/* states for D3D based on the current OGL state. Finally I pass the D3D VB */ +/* to the wrapper that call DrawPrimitives. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void RenderTriangleVB( GLcontext *ctx, GLuint start, GLuint end ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + struct vertex_buffer *VB = ctx->VB; + int index, + cVertex, + height = (pContext->pShared->rectW.bottom - pContext->pShared->rectW.top); + DWORD dwPVColor; + GLfloat ex, ey, + fx, fy, c; + GLuint facing; + + DPF(( DBG_FUNC, "RenderTriangleVB" )); + + if ( !VB->ClipOrMask ) + { + DPF(( DBG_PRIM_INFO, "DirectTriangles( %d )", (end-start) )); + for( index = start, cVertex = 0; index < end; ) + { + dwPVColor = (VB->Color[(index+2)][3]<<24) | (VB->Color[(index+2)][0]<<16) | (VB->Color[(index+2)][1]<<8) | VB->Color[(index+2)][2]; + + /*=====================================*/ + /* Populate the the triangle vertices. */ + /*=====================================*/ + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[index][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[index][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[index][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[index][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[index][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[index][3]<<24) | (VB->Color[index][0]<<16) | (VB->Color[index][1]<<8) | VB->Color[index][2]; + index++; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[index][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[index][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[index][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[index][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[index][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[index][3]<<24) | (VB->Color[index][0]<<16) | (VB->Color[index][1]<<8) | VB->Color[index][2]; + index++; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[index][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[index][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[index][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[index][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[index][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex++].color= dwPVColor; + index++; + } + } + else + { +#define v1 index +#define v2 (index+1) +#define v3 (index+2) + + for( index = start, cVertex = 0; index < end; index += 3 ) + { + if ( VB->ClipMask[v1] & VB->ClipMask[v2] & VB->ClipMask[v3] & CLIP_ALL_BITS ) + { + continue; + } + else if ( VB->ClipMask[v1] | VB->ClipMask[v2] | VB->ClipMask[v3] ) + { + VList[0] = v1; + VList[1] = v2; + VList[2] = v3; + RenderClippedPolygon( ctx, 3, VList ); + continue; + } + + /* Compute orientation of triangle */ + ex = VB->Win[v2][0] - VB->Win[v1][0]; + ey = VB->Win[v2][1] - VB->Win[v1][1]; + fx = VB->Win[v3][0] - VB->Win[v1][0]; + fy = VB->Win[v3][1] - VB->Win[v1][1]; + c = (ex * fy) - (ey * fx); + + /* polygon is perpindicular to view plane, don't draw it */ + if ( (c == 0.0F) && !ctx->Polygon.Unfilled ) + continue; + + /* Backface culling. */ + facing = (c < 0.0F) ^ ctx->Polygon.FrontBit; + if ( (facing + 1) & ctx->Polygon.CullBits ) + continue; + + if ( ctx->IndirectTriangles & DD_TRI_LIGHT_TWOSIDE ) + { + if ( facing == 1 ) + { + /* use back color */ + VB->Color = VB->Bcolor; + VB->Specular= VB->Bspec; + } + else + { + /* use front color */ + VB->Color = VB->Fcolor; + VB->Specular= VB->Fspec; + } + } + + if ( ctx->IndirectTriangles & DD_TRI_OFFSET ) + { + /* Finish computing plane equation of polygon, compute offset */ + GLfloat fz = VB->Win[v3][2] - VB->Win[v1][2]; + GLfloat ez = VB->Win[v2][2] - VB->Win[v1][2]; + GLfloat a = (ey * fz) - (ez * fy); + GLfloat b = (ez * fx) - (ex * fz); + OffsetPolygon( ctx, a, b, c ); + } + + /*=====================================*/ + /* Populate the the triangle vertices. */ + /*=====================================*/ + /* Solve the prevoking vertex color as we need it for the 3rd triangle and flat shading. */ + dwPVColor = (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v1][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v1][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v1][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v1][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v1][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v2][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v2][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v2][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v2][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v2][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v2][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v2][3]<<24) | (VB->Color[v2][0]<<16) | (VB->Color[v2][1]<<8) | VB->Color[v2][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v3][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v3][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v3][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v3][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v3][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + D3DTLVertices[cVertex++].color= dwPVColor; + } +#undef v1 +#undef v2 +#undef v3 + } + + /* Render the converted vertex buffer. */ + if ( cVertex > 2 ) + DrawPrimitiveHAL( pContext->pShared, D3DPT_TRIANGLELIST, &D3DTLVertices[0], cVertex ); +} +/*===========================================================================*/ +/* This function will render the current vertex buffer as a triangle fan. */ +/* The buffer has to be able to be rendered directly. This means that we are*/ +/* filled, no offsets, no culling and one sided rendering. Also we must be */ +/* in render mode of course. */ +/* First I will fill the global D3D vertice buffer. Next I will set all the*/ +/* states for D3D based on the current OGL state. Finally I pass the D3D VB */ +/* to the wrapper that call DrawPrimitives. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void RenderTriangleFanVB( GLcontext *ctx, GLuint start, GLuint end ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + struct vertex_buffer *VB = ctx->VB; + int index, + cVertex, + height = (pContext->pShared->rectW.bottom - pContext->pShared->rectW.top); + GLfloat ex, ey, + fx, fy, c; + GLuint facing; + DWORD dwPVColor; + + DPF(( DBG_FUNC, "RenderTriangleFanVB();" )); + + /* Special case that we can blast the fan without culling, offset, etc... */ + if ( !VB->ClipOrMask && (ctx->Light.ShadeModel != GL_FLAT) ) + { + DPF(( DBG_PRIM_INFO, "DirectTriangles( %d )", (end-start) )); + + /* Seed the the fan. */ + D3DTLVertices[0].sx = D3DVAL( VB->Win[start][0] ); + D3DTLVertices[0].sy = D3DVAL( (height - VB->Win[start][1]) ); + D3DTLVertices[0].sz = D3DVAL( VB->Win[start][2] ); + D3DTLVertices[0].tu = D3DVAL( VB->TexCoord[start][0] ); + D3DTLVertices[0].tv = D3DVAL( VB->TexCoord[start][1] ); + D3DTLVertices[0].rhw = D3DVAL( (1.0 / VB->Clip[start][3]) ); + D3DTLVertices[0].color= (VB->Color[start][3]<<24) | (VB->Color[start][0]<<16) | (VB->Color[start][1]<<8) | VB->Color[start][2]; + + /* Seed the the fan. */ + D3DTLVertices[1].sx = D3DVAL( VB->Win[(start+1)][0] ); + D3DTLVertices[1].sy = D3DVAL( (height - VB->Win[(start+1)][1]) ); + D3DTLVertices[1].sz = D3DVAL( VB->Win[(start+1)][2] ); + D3DTLVertices[1].tu = D3DVAL( VB->TexCoord[(start+1)][0] ); + D3DTLVertices[1].tv = D3DVAL( VB->TexCoord[(start+1)][1] ); + D3DTLVertices[1].rhw = D3DVAL( (1.0 / VB->Clip[(start+1)][3]) ); + D3DTLVertices[1].color= (VB->Color[(start+1)][3]<<24) | (VB->Color[(start+1)][0]<<16) | (VB->Color[(start+1)][1]<<8) | VB->Color[(start+1)][2]; + + for( index = (start+2), cVertex = 2; index < end; index++, cVertex++ ) + { + /*=================================*/ + /* Add the next vertex to the fan. */ + /*=================================*/ + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[index][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[index][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[index][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[index][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[index][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex].color = (VB->Color[index][3]<<24) | (VB->Color[index][0]<<16) | (VB->Color[index][1]<<8) | VB->Color[index][2]; + } + + /* Render the converted vertex buffer. */ + if ( cVertex ) + DrawPrimitiveHAL( pContext->pShared, D3DPT_TRIANGLEFAN, &D3DTLVertices[0], cVertex ); + } + else + { +#define v1 start +#define v2 (index-1) +#define v3 index + + for( index = (start+2), cVertex = 0; index < end; index++ ) + { + if ( VB->ClipOrMask ) + { + /* All points clipped by common plane */ + if ( VB->ClipMask[v1] & VB->ClipMask[v2] & VB->ClipMask[v3] & CLIP_ALL_BITS ) + { + continue; + } + else if ( VB->ClipMask[v1] | VB->ClipMask[v2] | VB->ClipMask[v3] ) + { + VList[0] = v1; + VList[1] = v2; + VList[2] = v3; + RenderClippedPolygon( ctx, 3, VList ); + continue; + } + } + + /* Compute orientation of triangle */ + ex = VB->Win[v2][0] - VB->Win[v1][0]; + ey = VB->Win[v2][1] - VB->Win[v1][1]; + fx = VB->Win[v3][0] - VB->Win[v1][0]; + fy = VB->Win[v3][1] - VB->Win[v1][1]; + c = (ex * fy) - (ey * fx); + + /* polygon is perpindicular to view plane, don't draw it */ + if ( (c == 0.0F) && !ctx->Polygon.Unfilled ) + continue; + + /* Backface culling. */ + facing = (c < 0.0F) ^ ctx->Polygon.FrontBit; + if ( (facing + 1) & ctx->Polygon.CullBits ) + continue; + + if ( ctx->IndirectTriangles & DD_TRI_OFFSET ) + { + /* Finish computing plane equation of polygon, compute offset */ + GLfloat fz = VB->Win[v3][2] - VB->Win[v1][2]; + GLfloat ez = VB->Win[v2][2] - VB->Win[v1][2]; + GLfloat a = (ey * fz) - (ez * fy); + GLfloat b = (ez * fx) - (ex * fz); + OffsetPolygon( ctx, a, b, c ); + } + + /*=====================================*/ + /* Populate the the triangle vertices. */ + /*=====================================*/ + dwPVColor = (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v1][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v1][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v1][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v1][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v1][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v2][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v2][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v2][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v2][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v2][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v2][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v2][3]<<24) | (VB->Color[v2][0]<<16) | (VB->Color[v2][1]<<8) | VB->Color[v2][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v3][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v3][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v3][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v3][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v3][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + D3DTLVertices[cVertex++].color= dwPVColor; + } + + /* Render the converted vertex buffer. */ + if ( cVertex ) + DrawPrimitiveHAL( pContext->pShared, D3DPT_TRIANGLELIST, &D3DTLVertices[0], cVertex ); +#undef v1 +#undef v2 +#undef v3 + } +} +/*===========================================================================*/ +/* This function will render the current vertex buffer as a triangle strip. */ +/* The buffer has to be able to be rendered directly. This means that we are*/ +/* filled, no offsets, no culling and one sided rendering. Also we must be */ +/* in render mode of course. */ +/* First I will fill the global D3D vertice buffer. Next I will set all the*/ +/* states for D3D based on the current OGL state. Finally I pass the D3D VB */ +/* to the wrapper that call DrawPrimitives. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void RenderTriangleStripVB( GLcontext *ctx, GLuint start, GLuint end ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + struct vertex_buffer *VB = ctx->VB; + int index, + cVertex = 0, + v1, v2, v3, + height = (pContext->pShared->rectW.bottom - pContext->pShared->rectW.top); + GLfloat ex, ey, + fx, fy, c; + GLuint facing; + DWORD dwPVColor; + + DPF(( DBG_FUNC, "RenderTriangleStripVB();" )); + + /* Special case that we can blast the fan without culling, offset, etc... */ + if ( !VB->ClipOrMask && (ctx->Light.ShadeModel != GL_FLAT) ) + { + DPF(( DBG_PRIM_PROFILE, "DirectTriangles" )); + + /* Seed the the strip. */ + D3DTLVertices[0].sx = D3DVAL( VB->Win[start][0] ); + D3DTLVertices[0].sy = D3DVAL( (height - VB->Win[start][1]) ); + D3DTLVertices[0].sz = D3DVAL( VB->Win[start][2] ); + D3DTLVertices[0].tu = D3DVAL( VB->TexCoord[start][0] ); + D3DTLVertices[0].tv = D3DVAL( VB->TexCoord[start][1] ); + D3DTLVertices[0].rhw = D3DVAL( (1.0 / VB->Clip[start][3]) ); + D3DTLVertices[0].color= (VB->Color[start][3]<<24) | (VB->Color[start][0]<<16) | (VB->Color[start][1]<<8) | VB->Color[start][2]; + + /* Seed the the strip. */ + D3DTLVertices[1].sx = D3DVAL( VB->Win[(start+1)][0] ); + D3DTLVertices[1].sy = D3DVAL( (height - VB->Win[(start+1)][1]) ); + D3DTLVertices[1].sz = D3DVAL( VB->Win[(start+1)][2] ); + D3DTLVertices[1].tu = D3DVAL( VB->TexCoord[(start+1)][0] ); + D3DTLVertices[1].tv = D3DVAL( VB->TexCoord[(start+1)][1] ); + D3DTLVertices[1].rhw = D3DVAL( (1.0 / VB->Clip[(start+1)][3]) ); + D3DTLVertices[1].color= (VB->Color[(start+1)][3]<<24) | (VB->Color[(start+1)][0]<<16) | (VB->Color[(start+1)][1]<<8) | VB->Color[(start+1)][2]; + + for( index = (start+2), cVertex = 2; index < end; index++, cVertex++ ) + { + /*===================================*/ + /* Add the next vertex to the strip. */ + /*===================================*/ + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[index][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[index][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[index][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[index][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[index][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex].color = (VB->Color[index][3]<<24) | (VB->Color[index][0]<<16) | (VB->Color[index][1]<<8) | VB->Color[index][2]; + } + + /* Render the converted vertex buffer. */ + if ( cVertex ) + DrawPrimitiveHAL( pContext->pShared, D3DPT_TRIANGLESTRIP, &D3DTLVertices[0], cVertex ); + } + else + { + for( index = (start+2); index < end; index++ ) + { + /* We need to switch order so that winding won't be a problem. */ + if ( index & 1 ) + { + v1 = index - 1; + v2 = index - 2; + v3 = index - 0; + } + else + { + v1 = index - 2; + v2 = index - 1; + v3 = index - 0; + } + + /* All vertices clipped by common plane */ + if ( VB->ClipMask[v1] & VB->ClipMask[v2] & VB->ClipMask[v3] & CLIP_ALL_BITS ) + continue; + + /* Check if any vertices need clipping. */ + if ( VB->ClipMask[v1] | VB->ClipMask[v2] | VB->ClipMask[v3] ) + { + VList[0] = v1; + VList[1] = v2; + VList[2] = v3; + RenderClippedPolygon( ctx, 3, VList ); + } + else + { + /* Compute orientation of triangle */ + ex = VB->Win[v2][0] - VB->Win[v1][0]; + ey = VB->Win[v2][1] - VB->Win[v1][1]; + fx = VB->Win[v3][0] - VB->Win[v1][0]; + fy = VB->Win[v3][1] - VB->Win[v1][1]; + c = (ex * fy) - (ey * fx); + + /* Polygon is perpindicular to view plane, don't draw it */ + if ( (c == 0.0F) && !ctx->Polygon.Unfilled ) + continue; + + /* Backface culling. */ + facing = (c < 0.0F) ^ ctx->Polygon.FrontBit; + if ( (facing + 1) & ctx->Polygon.CullBits ) + continue; + + /* Need right color if we have two sided lighting. */ + if ( ctx->IndirectTriangles & DD_TRI_LIGHT_TWOSIDE ) + { + if ( facing == 1 ) + { + /* use back color */ + VB->Color = VB->Bcolor; + VB->Specular= VB->Bspec; + } + else + { + /* use front color */ + VB->Color = VB->Fcolor; + VB->Specular= VB->Fspec; + } + } + + if ( ctx->IndirectTriangles & DD_TRI_OFFSET ) + { + /* Finish computing plane equation of polygon, compute offset */ + GLfloat fz = VB->Win[v3][2] - VB->Win[v1][2]; + GLfloat ez = VB->Win[v2][2] - VB->Win[v1][2]; + GLfloat a = (ey * fz) - (ez * fy); + GLfloat b = (ez * fx) - (ex * fz); + OffsetPolygon( ctx, a, b, c ); + } + /*=====================================*/ + /* Populate the the triangle vertices. */ + /*=====================================*/ + + /* Solve the prevoking vertex color as we need it for the 3rd triangle and flat shading. */ + dwPVColor = (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v1][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v1][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v1][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v1][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v1][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v2][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v2][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v2][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v2][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v2][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v2][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v2][3]<<24) | (VB->Color[v2][0]<<16) | (VB->Color[v2][1]<<8) | VB->Color[v2][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v3][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v3][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v3][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v3][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v3][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + D3DTLVertices[cVertex++].color= dwPVColor; + } + } + + /* Render the converted vertex buffer. */ + if ( cVertex ) + DrawPrimitiveHAL( pContext->pShared, D3DPT_TRIANGLELIST, &D3DTLVertices[0], cVertex ); + } +} +/*===========================================================================*/ +/* This function will render the current vertex buffer as Quads. The buffer*/ +/* has to be able to be rendered directly. This means that we are filled, no*/ +/* offsets, no culling and one sided rendering. Also we must be in render */ +/* mode of cource. */ +/* First I will fill the global D3D vertice buffer. Next I will set all the*/ +/* states for D3D based on the current OGL state. Finally I pass the D3D VB */ +/* to the wrapper that call DrawPrimitives. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void RenderQuadVB( GLcontext *ctx, GLuint start, GLuint end ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + struct vertex_buffer *VB = ctx->VB; + int index, + cVertex, + height = (pContext->pShared->rectW.bottom - pContext->pShared->rectW.top); + DWORD dwPVColor; + GLfloat ex, ey, + fx, fy, c; + GLuint facing; /* 0=front, 1=back */ + + DPF(( DBG_FUNC, "RenderQuadVB();" )); + +#define v1 (index) +#define v2 (index+1) +#define v3 (index+2) +#define v4 (index+3) + + if ( !VB->ClipOrMask ) + { + DPF(( DBG_PRIM_PROFILE, "DirectTriangles" )); + + for( cVertex = 0, index = start; index < end; index += 4 ) + { + if ( ctx->Light.ShadeModel == GL_FLAT ) + dwPVColor = (VB->Color[v4][3]<<24) | (VB->Color[v4][0]<<16) | (VB->Color[v4][1]<<8) | VB->Color[v4][2]; + + /*=====================================*/ + /* Populate the the triangle vertices. */ + /*=====================================*/ + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v1][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v1][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[v1][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v1][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v1][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v2][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v2][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[v2][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v2][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v2][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v2][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v2][3]<<24) | (VB->Color[v2][0]<<16) | (VB->Color[v2][1]<<8) | VB->Color[v2][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v3][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v3][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[v3][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v3][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v3][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v1][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v1][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[v1][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v1][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v1][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v3][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v3][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[v3][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v3][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v3][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v4][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v4][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( VB->Win[v4][2] ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v4][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v4][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v4][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v4][3]<<24) | (VB->Color[v4][0]<<16) | (VB->Color[v4][1]<<8) | VB->Color[v4][2]; + } + } + else + { + for( cVertex = 0, index = start; index < end; index += 4 ) + { + if ( VB->ClipMask[v1] & VB->ClipMask[v2] & VB->ClipMask[v3] & VB->ClipMask[v4] & CLIP_ALL_BITS ) + { + continue; + } + else if ( VB->ClipMask[v1] | VB->ClipMask[v2] | VB->ClipMask[v3] | VB->ClipMask[v4] ) + { + VList[0] = v1; + VList[1] = v2; + VList[2] = v3; + VList[3] = v4; + RenderClippedPolygon( ctx, 4, VList ); + continue; + } + + /* Compute orientation of triangle */ + ex = VB->Win[v2][0] - VB->Win[v1][0]; + ey = VB->Win[v2][1] - VB->Win[v1][1]; + fx = VB->Win[v3][0] - VB->Win[v1][0]; + fy = VB->Win[v3][1] - VB->Win[v1][1]; + c = (ex * fy) - (ey * fx); + + /* polygon is perpindicular to view plane, don't draw it */ + if ( (c == 0.0F) && !ctx->Polygon.Unfilled ) + continue; + + /* Backface culling. */ + facing = (c < 0.0F) ^ ctx->Polygon.FrontBit; + if ( (facing + 1) & ctx->Polygon.CullBits ) + continue; + + if ( ctx->IndirectTriangles & DD_TRI_LIGHT_TWOSIDE ) + { + if ( facing == 1 ) + { + /* use back color */ + VB->Color = VB->Bcolor; + VB->Specular= VB->Bspec; + } + else + { + /* use front color */ + VB->Color = VB->Fcolor; + VB->Specular= VB->Fspec; + } + } + + if ( ctx->IndirectTriangles & DD_TRI_OFFSET ) + { + /* Finish computing plane equation of polygon, compute offset */ + GLfloat fz = VB->Win[v3][2] - VB->Win[v1][2]; + GLfloat ez = VB->Win[v2][2] - VB->Win[v1][2]; + GLfloat a = (ey * fz) - (ez * fy); + GLfloat b = (ez * fx) - (ex * fz); + OffsetPolygon( ctx, a, b, c ); + } + + if ( ctx->Light.ShadeModel == GL_FLAT ) + dwPVColor = (VB->Color[v4][3]<<24) | (VB->Color[v4][0]<<16) | (VB->Color[v4][1]<<8) | VB->Color[v4][2]; + + /*=====================================*/ + /* Populate the the triangle vertices. */ + /*=====================================*/ + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v1][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v1][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v1][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v1][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v1][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v2][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v2][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v2][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v2][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v2][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v2][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v2][3]<<24) | (VB->Color[v2][0]<<16) | (VB->Color[v2][1]<<8) | VB->Color[v2][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v3][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v3][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v3][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v3][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v3][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v1][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v1][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v1][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v1][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v1][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v3][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v3][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v3][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v3][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v3][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + + D3DTLVertices[cVertex].sx = D3DVAL( VB->Win[v4][0] ); + D3DTLVertices[cVertex].sy = D3DVAL( (height - VB->Win[v4][1]) ); + D3DTLVertices[cVertex].sz = D3DVAL( (VB->Win[v4][2] + ctx->PolygonZoffset) ); + D3DTLVertices[cVertex].tu = D3DVAL( VB->TexCoord[v4][0] ); + D3DTLVertices[cVertex].tv = D3DVAL( VB->TexCoord[v4][1] ); + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[v4][3]) ); + D3DTLVertices[cVertex++].color= (ctx->Light.ShadeModel == GL_FLAT) ? + dwPVColor : + (VB->Color[v4][3]<<24) | (VB->Color[v4][0]<<16) | (VB->Color[v4][1]<<8) | VB->Color[v4][2]; + } + } + +#undef v4 +#undef v3 +#undef v2 +#undef v1 + + /* Render the converted vertex buffer. */ + if ( cVertex ) + DrawPrimitiveHAL( pContext->pShared, D3DPT_TRIANGLELIST, &D3DTLVertices[0], cVertex ); +} +/*===========================================================================*/ +/* */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +static void RenderQuad( GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint v4, GLuint pv ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + struct vertex_buffer *VB = ctx->VB; + int height = (pContext->pShared->rectW.bottom - pContext->pShared->rectW.top); + DWORD dwPVColor; + GLfloat ex, ey, + fx, fy, c; + GLuint facing; /* 0=front, 1=back */ + static D3DTLVERTEX TLVertices[6]; + + DPF(( DBG_FUNC, "RenderQuad" )); + DPF(( DBG_PRIM_INFO, "RenderQuad( 1 )" )); + + /* Compute orientation of triangle */ + ex = VB->Win[v2][0] - VB->Win[v1][0]; + ey = VB->Win[v2][1] - VB->Win[v1][1]; + fx = VB->Win[v3][0] - VB->Win[v1][0]; + fy = VB->Win[v3][1] - VB->Win[v1][1]; + c = (ex * fy) - (ey * fx); + + /* polygon is perpindicular to view plane, don't draw it */ + if ( (c == 0.0F) && !ctx->Polygon.Unfilled ) + return; + + /* Backface culling. */ + facing = (c < 0.0F) ^ ctx->Polygon.FrontBit; + if ( (facing + 1) & ctx->Polygon.CullBits ) + return; + + if ( ctx->IndirectTriangles & DD_TRI_LIGHT_TWOSIDE ) + { + if ( facing == 1 ) + { + /* use back color */ + VB->Color = VB->Bcolor; + VB->Specular= VB->Bspec; + } + else + { + /* use front color */ + VB->Color = VB->Fcolor; + VB->Specular= VB->Fspec; + } + } + + if ( ctx->IndirectTriangles & DD_TRI_OFFSET ) + { + /* Finish computing plane equation of polygon, compute offset */ + GLfloat fz = VB->Win[v3][2] - VB->Win[v1][2]; + GLfloat ez = VB->Win[v2][2] - VB->Win[v1][2]; + GLfloat a = (ey * fz) - (ez * fy); + GLfloat b = (ez * fx) - (ex * fz); + OffsetPolygon( ctx, a, b, c ); + } + + if ( ctx->Light.ShadeModel == GL_FLAT ) + dwPVColor = (VB->Color[pv][3]<<24) | (VB->Color[pv][0]<<16) | (VB->Color[pv][1]<<8) | VB->Color[pv][2]; + + /*=====================================*/ + /* Populate the the triangle vertices. */ + /*=====================================*/ + TLVertices[0].sx = D3DVAL( VB->Win[v1][0] ); + TLVertices[0].sy = D3DVAL( (height - VB->Win[v1][1]) ); + TLVertices[0].sz = D3DVAL( (VB->Win[v1][2] + ctx->PolygonZoffset) ); + TLVertices[0].tu = D3DVAL( VB->TexCoord[v1][0] ); + TLVertices[0].tv = D3DVAL( VB->TexCoord[v1][1] ); + TLVertices[0].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + TLVertices[0].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + TLVertices[1].sx = D3DVAL( VB->Win[v2][0] ); + TLVertices[1].sy = D3DVAL( (height - VB->Win[v2][1]) ); + TLVertices[1].sz = D3DVAL( (VB->Win[v2][2] + ctx->PolygonZoffset) ); + TLVertices[1].tu = D3DVAL( VB->TexCoord[v2][0] ); + TLVertices[1].tv = D3DVAL( VB->TexCoord[v2][1] ); + TLVertices[1].rhw = D3DVAL( (1.0 / VB->Clip[v2][3]) ); + TLVertices[1].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v2][3]<<24) | (VB->Color[v2][0]<<16) | (VB->Color[v2][1]<<8) | VB->Color[v2][2]; + + TLVertices[2].sx = D3DVAL( VB->Win[v3][0] ); + TLVertices[2].sy = D3DVAL( (height - VB->Win[v3][1]) ); + TLVertices[2].sz = D3DVAL( (VB->Win[v3][2] + ctx->PolygonZoffset) ); + TLVertices[2].tu = D3DVAL( VB->TexCoord[v3][0] ); + TLVertices[2].tv = D3DVAL( VB->TexCoord[v3][1] ); + TLVertices[2].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + TLVertices[2].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + + TLVertices[3].sx = D3DVAL( VB->Win[v3][0] ); + TLVertices[3].sy = D3DVAL( (height - VB->Win[v3][1]) ); + TLVertices[3].sz = D3DVAL( (VB->Win[v3][2] + ctx->PolygonZoffset) ); + TLVertices[3].tu = D3DVAL( VB->TexCoord[v3][0] ); + TLVertices[3].tv = D3DVAL( VB->TexCoord[v3][1] ); + TLVertices[3].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + TLVertices[3].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + + TLVertices[4].sx = D3DVAL( VB->Win[v4][0] ); + TLVertices[4].sy = D3DVAL( (height - VB->Win[v4][1]) ); + TLVertices[4].sz = D3DVAL( (VB->Win[v4][2] + ctx->PolygonZoffset) ); + TLVertices[4].tu = D3DVAL( VB->TexCoord[v4][0] ); + TLVertices[4].tv = D3DVAL( VB->TexCoord[v4][1] ); + TLVertices[4].rhw = D3DVAL( (1.0 / VB->Clip[v4][3]) ); + TLVertices[4].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v4][3]<<24) | (VB->Color[v4][0]<<16) | (VB->Color[v4][1]<<8) | VB->Color[v4][2]; + + TLVertices[5].sx = D3DVAL( VB->Win[v1][0] ); + TLVertices[5].sy = D3DVAL( (height - VB->Win[v1][1]) ); + TLVertices[5].sz = D3DVAL( (VB->Win[v1][2] + ctx->PolygonZoffset) ); + TLVertices[5].tu = D3DVAL( VB->TexCoord[v1][0] ); + TLVertices[5].tv = D3DVAL( VB->TexCoord[v1][1] ); + TLVertices[5].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + TLVertices[5].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + /* Draw the two triangles. */ + DrawPrimitiveHAL( pContext->pShared, D3DPT_TRIANGLELIST, &TLVertices[0], 6 ); +} +/*===========================================================================*/ +/* */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +void RenderOneTriangle( GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint pv ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + struct vertex_buffer *VB = ctx->VB; + int height = (pContext->pShared->rectW.bottom - pContext->pShared->rectW.top); + DWORD dwPVColor; + static D3DTLVERTEX TLVertices[3]; + + DPF(( DBG_FUNC, "RenderOneTriangle" )); + DPF(( DBG_PRIM_INFO, "RenderTriangle( 1 )" )); + + /*=====================================*/ + /* Populate the the triangle vertices. */ + /*=====================================*/ + if ( ctx->Light.ShadeModel == GL_FLAT ) + dwPVColor = (VB->Color[pv][3]<<24) | (VB->Color[pv][0]<<16) | (VB->Color[pv][1]<<8) | VB->Color[pv][2]; + + TLVertices[0].sx = D3DVAL( VB->Win[v1][0] ); + TLVertices[0].sy = D3DVAL( (height - VB->Win[v1][1]) ); + TLVertices[0].sz = D3DVAL( (VB->Win[v1][2] + ctx->PolygonZoffset) ); + TLVertices[0].tu = D3DVAL( VB->TexCoord[v1][0] ); + TLVertices[0].tv = D3DVAL( VB->TexCoord[v1][1] ); + TLVertices[0].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + TLVertices[0].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + DPF(( DBG_PRIM_INFO, "V1 -> x:%f y:%f z:%f c:%x", + TLVertices[0].sx, + TLVertices[0].sy, + TLVertices[0].sz, + TLVertices[0].color )); + + TLVertices[1].sx = D3DVAL( VB->Win[v2][0] ); + TLVertices[1].sy = D3DVAL( (height - VB->Win[v2][1]) ); + TLVertices[1].sz = D3DVAL( (VB->Win[v2][2] + ctx->PolygonZoffset) ); + TLVertices[1].tu = D3DVAL( VB->TexCoord[v2][0] ); + TLVertices[1].tv = D3DVAL( VB->TexCoord[v2][1] ); + TLVertices[1].rhw = D3DVAL( (1.0 / VB->Clip[v2][3]) ); + TLVertices[1].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v2][3]<<24) | (VB->Color[v2][0]<<16) | (VB->Color[v2][1]<<8) | VB->Color[v2][2]; + DPF(( DBG_PRIM_INFO, "V2 -> x:%f y:%f z:%f c:%x", + TLVertices[1].sx, + TLVertices[1].sy, + TLVertices[1].sz, + TLVertices[1].color )); + + TLVertices[2].sx = D3DVAL( VB->Win[v3][0] ); + TLVertices[2].sy = D3DVAL( (height - VB->Win[v3][1]) ); + TLVertices[2].sz = D3DVAL( (VB->Win[v3][2] + ctx->PolygonZoffset) ); + TLVertices[2].tu = D3DVAL( VB->TexCoord[v3][0] ); + TLVertices[2].tv = D3DVAL( VB->TexCoord[v3][1] ); + TLVertices[2].rhw = D3DVAL( (1.0 / VB->Clip[v3][3]) ); + TLVertices[2].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v3][3]<<24) | (VB->Color[v3][0]<<16) | (VB->Color[v3][1]<<8) | VB->Color[v3][2]; + DPF(( DBG_PRIM_INFO, "V3 -> x:%f y:%f z:%f c:%x", + TLVertices[2].sx, + TLVertices[2].sy, + TLVertices[2].sz, + TLVertices[2].color )); + + /* Draw the triangle. */ + DrawPrimitiveHAL( pContext->pShared, D3DPT_TRIANGLELIST, &TLVertices[0], 3 ); +} +/*===========================================================================*/ +/* */ +/*===========================================================================*/ +/* RETURN: TRUE, FALSE. */ +/*===========================================================================*/ +void RenderOneLine( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + struct vertex_buffer *VB = ctx->VB; + int height = (pContext->pShared->rectW.bottom - pContext->pShared->rectW.top); + DWORD dwPVColor; + static D3DTLVERTEX TLVertices[2]; + + DPF(( DBG_FUNC, "RenderOneLine" )); + DPF(( DBG_PRIM_INFO, "RenderLine( 1 )" )); + + if ( VB->MonoColor ) + dwPVColor = (pContext->aCurrent<<24) | (pContext->rCurrent<<16) | (pContext->gCurrent<<8) | pContext->bCurrent; + else + dwPVColor = (VB->Color[pv][3]<<24) | (VB->Color[pv][0]<<16) | (VB->Color[pv][1]<<8) | VB->Color[pv][2]; + + TLVertices[0].sx = D3DVAL( VB->Win[v1][0] ); + TLVertices[0].sy = D3DVAL( (height - VB->Win[v1][1]) ); + TLVertices[0].sz = D3DVAL( (VB->Win[v1][2] + ctx->LineZoffset) ); + TLVertices[0].tu = D3DVAL( VB->TexCoord[v1][0] ); + TLVertices[0].tv = D3DVAL( VB->TexCoord[v1][1] ); + TLVertices[0].rhw = D3DVAL( (1.0 / VB->Clip[v1][3]) ); + TLVertices[0].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v1][3]<<24) | (VB->Color[v1][0]<<16) | (VB->Color[v1][1]<<8) | VB->Color[v1][2]; + + TLVertices[1].sx = D3DVAL( VB->Win[v2][0] ); + TLVertices[1].sy = D3DVAL( (height - VB->Win[v2][1]) ); + TLVertices[1].sz = D3DVAL( (VB->Win[v2][2] + ctx->LineZoffset) ); + TLVertices[1].tu = D3DVAL( VB->TexCoord[v2][0] ); + TLVertices[1].tv = D3DVAL( VB->TexCoord[v2][1] ); + TLVertices[1].rhw = D3DVAL( (1.0 / VB->Clip[v2][3]) ); + TLVertices[1].color = (ctx->Light.ShadeModel == GL_FLAT) ? dwPVColor : + (VB->Color[v2][3]<<24) | (VB->Color[v2][0]<<16) | (VB->Color[v2][1]<<8) | VB->Color[v2][2]; + + /* Draw line from (x0,y0) to (x1,y1) with current pixel color/index */ + DrawPrimitiveHAL( pContext->pShared, D3DPT_LINELIST, &TLVertices[0], 2 ); +} +/*===========================================================================*/ +/* This function was written to convert points into triangles. I did this */ +/* as all card accelerate triangles and most drivers do this anyway. In hind*/ +/* thought this might be a bad idea as some cards do better. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void RenderPointsVB( GLcontext *ctx, GLuint start, GLuint end ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + struct vertex_buffer *VB = ctx->VB; + struct pixel_buffer *PB = ctx->PB; + GLuint index; + GLfloat radius, z, + xmin, ymin, + xmax, ymax; + GLint cVertex, + height = (pContext->pShared->rectW.bottom - pContext->pShared->rectW.top); + DWORD dwPVColor; + + DPF(( DBG_FUNC, "RenderPointsVB();" )); + + radius = CLAMP( ctx->Point.Size, MIN_POINT_SIZE, MAX_POINT_SIZE ) * 0.5F; + + for( index = start, cVertex = 0; index <= end; index++ ) + { + if ( VB->ClipMask[index] == 0 ) + { + xmin = D3DVAL( VB->Win[index][0] - radius ); + xmax = D3DVAL( VB->Win[index][0] + radius ); + ymin = D3DVAL( height - VB->Win[index][1] - radius ); + ymax = D3DVAL( height - VB->Win[index][1] + radius ); + z = D3DVAL( (VB->Win[index][2] + ctx->PointZoffset) ); + + dwPVColor = (VB->Color[index][3]<<24) | + (VB->Color[index][0]<<16) | + (VB->Color[index][1]<<8) | + VB->Color[index][2]; + + D3DTLVertices[cVertex].sx = xmin; + D3DTLVertices[cVertex].sy = ymax; + D3DTLVertices[cVertex].sz = z; + D3DTLVertices[cVertex].tu = 0.0; + D3DTLVertices[cVertex].tv = 0.0; + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex++].color = dwPVColor; + + D3DTLVertices[cVertex].sx = xmin; + D3DTLVertices[cVertex].sy = ymin; + D3DTLVertices[cVertex].sz = z; + D3DTLVertices[cVertex].tu = 0.0; + D3DTLVertices[cVertex].tv = 0.0; + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex++].color = dwPVColor; + + D3DTLVertices[cVertex].sx = xmax; + D3DTLVertices[cVertex].sy = ymin; + D3DTLVertices[cVertex].sz = z; + D3DTLVertices[cVertex].tu = 0.0; + D3DTLVertices[cVertex].tv = 0.0; + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex++].color = dwPVColor; + + D3DTLVertices[cVertex].sx = xmax; + D3DTLVertices[cVertex].sy = ymin; + D3DTLVertices[cVertex].sz = z; + D3DTLVertices[cVertex].tu = 0.0; + D3DTLVertices[cVertex].tv = 0.0; + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex++].color = dwPVColor; + + D3DTLVertices[cVertex].sx = xmax; + D3DTLVertices[cVertex].sy = ymax; + D3DTLVertices[cVertex].sz = z; + D3DTLVertices[cVertex].tu = 0.0; + D3DTLVertices[cVertex].tv = 0.0; + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex++].color = dwPVColor; + + D3DTLVertices[cVertex].sx = xmin; + D3DTLVertices[cVertex].sy = ymax; + D3DTLVertices[cVertex].sz = z; + D3DTLVertices[cVertex].tu = 0.0; + D3DTLVertices[cVertex].tv = 0.0; + D3DTLVertices[cVertex].rhw = D3DVAL( (1.0 / VB->Clip[index][3]) ); + D3DTLVertices[cVertex++].color = dwPVColor; + } + } + + /* Render the converted vertex buffer. */ + if ( cVertex ) + DrawPrimitiveHAL( pContext->pShared, D3DPT_TRIANGLELIST, &D3DTLVertices[0], cVertex ); +} +/*===========================================================================*/ +/* This gets call before we render any primitives so that the current OGL */ +/* states will be mapped the D3D context. I'm still not sure how D3D works */ +/* but I'm finding that it doesn't act like a state machine as OGL is. It */ +/* looks like the state gets set back to the defaults after a DrawPrimitives */ +/* or an EndScene. Also I set states that are the default even though this */ +/* is redundant as the defaults seem screwed up. */ +/* TODO: make a batch call. */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void SetRenderStates( GLcontext *ctx ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + DWORD dwFunc; + static BOOL bTexture = FALSE; + static int texName = -1; + + DPF(( DBG_FUNC, "SetRenderStates();" )); + + if ( g_DBGMask & DBG_STATES ) + DebugRenderStates( ctx, FALSE ); + + SetStateHAL( pContext->pShared, D3DRENDERSTATE_CULLMODE, D3DCULL_NONE ); + SetStateHAL( pContext->pShared, D3DRENDERSTATE_DITHERENABLE, (ctx->Color.DitherFlag) ? TRUE : FALSE ); + + /*================================================*/ + /* Check too see if there are new TEXTURE states. */ + /*================================================*/ + if ( ctx->Texture._EnabledUnits ) + { + switch( ctx->Texture.Set[ctx->Texture.CurrentSet].EnvMode ) + { + case GL_MODULATE: + if ( ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0][0]->Format == GL_RGBA ) + dwFunc = pContext->pShared->dwTexFunc[d3dtblend_modulatealpha]; + else + dwFunc = pContext->pShared->dwTexFunc[d3dtblend_modulate]; + break; + + case GL_BLEND: + dwFunc = pContext->pShared->dwTexFunc[d3dtblend_decalalpha]; + break; + + case GL_REPLACE: + dwFunc = pContext->pShared->dwTexFunc[d3dtblend_decal]; + break; + + case GL_DECAL: + if ( ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0][0]->Format == GL_RGBA ) + dwFunc = pContext->pShared->dwTexFunc[d3dtblend_decalalpha]; + else + dwFunc = pContext->pShared->dwTexFunc[d3dtblend_decal]; + break; + } + SetStateHAL( pContext->pShared, D3DRENDERSTATE_TEXTUREMAPBLEND, dwFunc ); + + switch( ctx->Texture.Set[ctx->Texture.CurrentSet].Current->MagFilter ) + { + case GL_NEAREST: + dwFunc = D3DFILTER_NEAREST; + break; + case GL_LINEAR: + dwFunc = D3DFILTER_LINEAR; + break; + case GL_NEAREST_MIPMAP_NEAREST: + dwFunc = D3DFILTER_MIPNEAREST; + break; + case GL_LINEAR_MIPMAP_NEAREST: + dwFunc = D3DFILTER_LINEARMIPNEAREST; + break; + case GL_NEAREST_MIPMAP_LINEAR: + dwFunc = D3DFILTER_MIPLINEAR; + break; + case GL_LINEAR_MIPMAP_LINEAR: + dwFunc = D3DFILTER_LINEARMIPLINEAR; + break; + } + SetStateHAL( pContext->pShared, D3DRENDERSTATE_TEXTUREMAG, dwFunc ); + + switch( ctx->Texture.Set[ctx->Texture.CurrentSet].Current->MinFilter ) + { + case GL_NEAREST: + dwFunc = D3DFILTER_NEAREST; + break; + case GL_LINEAR: + dwFunc = D3DFILTER_LINEAR; + break; + case GL_NEAREST_MIPMAP_NEAREST: + dwFunc = D3DFILTER_MIPNEAREST; + break; + case GL_LINEAR_MIPMAP_NEAREST: + dwFunc = D3DFILTER_LINEARMIPNEAREST; + break; + case GL_NEAREST_MIPMAP_LINEAR: + dwFunc = D3DFILTER_MIPLINEAR; + break; + case GL_LINEAR_MIPMAP_LINEAR: + dwFunc = D3DFILTER_LINEARMIPLINEAR; + break; + } + SetStateHAL( pContext->pShared, D3DRENDERSTATE_TEXTUREMIN, dwFunc ); + + /* Another hack to cut down on redundant texture binding. */ + // if ( texName != ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Name ) + // { + texName = ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Name; + CreateTMgrHAL( pContext->pShared, + texName, + 0, + ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0][0]->Format, + (RECT *)NULL, + ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0][0]->Width, + ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0][0]->Height, + TM_ACTION_BIND, + (void *)ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0][0]->Data ); + // } + bTexture = TRUE; + } + else + { + /* This is nasty but should cut down on the number of redundant calls. */ + if ( bTexture == TRUE ) + { + DisableTMgrHAL( pContext->pShared ); + bTexture = FALSE; + } + } + + /*===============================================*/ + /* Check too see if there are new RASTER states. */ + /*===============================================*/ + + // TODO: no concept of front & back. + switch( ctx->Polygon.FrontMode ) + { + case GL_POINT: + SetStateHAL( pContext->pShared, D3DRENDERSTATE_FILLMODE, D3DFILL_POINT ); + break; + case GL_LINE: + SetStateHAL( pContext->pShared, D3DRENDERSTATE_FILLMODE, D3DFILL_WIREFRAME ); + break; + case GL_FILL: + SetStateHAL( pContext->pShared, D3DRENDERSTATE_FILLMODE, D3DFILL_SOLID ); + break; + } + + /*************/ + /* Z-Buffer. */ + /*************/ + if ( ctx->Depth.Test == GL_TRUE ) + { + switch( ctx->Depth.Func ) + { + case GL_NEVER: + dwFunc = D3DCMP_NEVER; + break; + case GL_LESS: + dwFunc = D3DCMP_LESS; + break; + case GL_GEQUAL: + dwFunc = D3DCMP_GREATEREQUAL; + break; + case GL_LEQUAL: + dwFunc = D3DCMP_LESSEQUAL; + break; + case GL_GREATER: + dwFunc = D3DCMP_GREATER; + break; + case GL_NOTEQUAL: + dwFunc = D3DCMP_NOTEQUAL; + break; + case GL_EQUAL: + dwFunc = D3DCMP_EQUAL; + break; + case GL_ALWAYS: + dwFunc = D3DCMP_ALWAYS; + break; + } + SetStateHAL( pContext->pShared, D3DRENDERSTATE_ZFUNC, dwFunc ); + SetStateHAL( pContext->pShared, D3DRENDERSTATE_ZENABLE, TRUE ); + } + else + { + SetStateHAL( pContext->pShared, D3DRENDERSTATE_ZENABLE, FALSE ); + } + + /*******************/ + /* Z-Write Enable. */ + /*******************/ + SetStateHAL( pContext->pShared, D3DRENDERSTATE_ZWRITEENABLE , (ctx->Depth.Mask == GL_TRUE) ? TRUE : FALSE ); + + /***************/ + /* Alpha test. */ + /***************/ + if ( ctx->Color.AlphaEnabled == GL_TRUE ) + { + switch( ctx->Color.AlphaFunc ) + { + case GL_NEVER: + dwFunc = D3DCMP_NEVER; + break; + case GL_LESS: + dwFunc = D3DCMP_LESS; + break; + case GL_GEQUAL: + dwFunc = D3DCMP_GREATEREQUAL; + break; + case GL_LEQUAL: + dwFunc = D3DCMP_LESSEQUAL; + break; + case GL_GREATER: + dwFunc = D3DCMP_GREATER; + break; + case GL_NOTEQUAL: + dwFunc = D3DCMP_NOTEQUAL; + break; + case GL_EQUAL: + dwFunc = D3DCMP_EQUAL; + break; + case GL_ALWAYS: + dwFunc = D3DCMP_ALWAYS; + break; + } + SetStateHAL( pContext->pShared, D3DRENDERSTATE_ALPHAFUNC , dwFunc ); + SetStateHAL( pContext->pShared, D3DRENDERSTATE_ALPHATESTENABLE, TRUE ); + } + else + { + SetStateHAL( pContext->pShared, D3DRENDERSTATE_ALPHATESTENABLE, FALSE ); + } + + /****************/ + /* Alpha blend. */ + /****************/ + if ( ctx->Color.BlendEnabled == GL_TRUE ) + { + switch( ctx->Color.BlendSrc ) + { + case GL_ZERO: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_zero]; + break; + case GL_ONE: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_one]; + break; + case GL_DST_COLOR: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_dst_color]; + break; + case GL_ONE_MINUS_DST_COLOR: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_one_minus_dst_color]; + break; + case GL_SRC_ALPHA: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_src_alpha]; + break; + case GL_ONE_MINUS_SRC_ALPHA: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_one_minus_src_alpha]; + break; + case GL_DST_ALPHA: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_dst_alpha]; + break; + case GL_ONE_MINUS_DST_ALPHA: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_one_minus_dst_alpha]; + break; + case GL_SRC_ALPHA_SATURATE: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_src_alpha_saturate]; + break; + case GL_CONSTANT_COLOR: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_constant_color]; + break; + case GL_ONE_MINUS_CONSTANT_COLOR: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_one_minus_constant_color]; + break; + case GL_CONSTANT_ALPHA: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_constant_alpha]; + break; + case GL_ONE_MINUS_CONSTANT_ALPHA: + dwFunc = pContext->pShared->dwSrcBlendCaps[s_one_minus_constant_alpha]; + break; + } + SetStateHAL( pContext->pShared, D3DRENDERSTATE_SRCBLEND, dwFunc ); + + switch( ctx->Color.BlendDst ) + { + case GL_ZERO: + dwFunc = pContext->pShared->dwDestBlendCaps[d_zero]; + break; + case GL_ONE: + dwFunc = pContext->pShared->dwDestBlendCaps[d_one]; + break; + case GL_SRC_COLOR: + dwFunc = pContext->pShared->dwDestBlendCaps[d_src_color]; + break; + case GL_ONE_MINUS_SRC_COLOR: + dwFunc = pContext->pShared->dwDestBlendCaps[d_one_minus_src_color]; + break; + case GL_SRC_ALPHA: + dwFunc = pContext->pShared->dwDestBlendCaps[d_src_alpha]; + break; + case GL_ONE_MINUS_SRC_ALPHA: + dwFunc = pContext->pShared->dwDestBlendCaps[d_one_minus_src_alpha]; + break; + case GL_DST_ALPHA: + dwFunc = pContext->pShared->dwDestBlendCaps[d_dst_alpha]; + break; + case GL_ONE_MINUS_DST_ALPHA: + dwFunc = pContext->pShared->dwDestBlendCaps[d_one_minus_dst_alpha]; + break; + case GL_CONSTANT_COLOR: + dwFunc = pContext->pShared->dwDestBlendCaps[d_constant_color]; + break; + case GL_ONE_MINUS_CONSTANT_COLOR: + dwFunc = pContext->pShared->dwDestBlendCaps[d_one_minus_constant_color]; + break; + case GL_CONSTANT_ALPHA: + dwFunc = pContext->pShared->dwDestBlendCaps[d_constant_alpha]; + break; + case GL_ONE_MINUS_CONSTANT_ALPHA: + dwFunc = pContext->pShared->dwDestBlendCaps[d_one_minus_constant_alpha]; + break; + } + SetStateHAL( pContext->pShared, D3DRENDERSTATE_DESTBLEND, dwFunc ); + SetStateHAL( pContext->pShared, D3DRENDERSTATE_ALPHABLENDENABLE, TRUE ); + } + else + { + SetStateHAL( pContext->pShared, D3DRENDERSTATE_ALPHABLENDENABLE, FALSE ); + } +} +/*===========================================================================*/ +/* If this function is called it will track the changes to the current */ +/* states that I'm setting in Direct3D. I did this so that the DPF's would */ +/* be under control! */ +/*===========================================================================*/ +/* RETURN: */ +/*===========================================================================*/ +static void DebugRenderStates( GLcontext *ctx, BOOL bForce ) +{ + D3DMESACONTEXT *pContext = (D3DMESACONTEXT *)ctx->DriverCtx; + DWORD dwFunc; + static int dither = -1, + texture = -1, + textName = -1, + textEnv = -1, + textMin = -1, + textMag = -1, + polyMode = -1, + depthTest = -1, + depthFunc = -1, + depthMask = -1, + alphaTest = -1, + alphaFunc = -1, + blend = -1, + blendSrc = -1, + blendDest = -1; + + /* Force a displayed update of all current states. */ + if ( bForce ) + { + dither = texture = textName = textEnv = textMin = textMag = -1; + polyMode = depthTest = depthFunc = depthMask = -1; + alphaTest = alphaFunc = blend = blendSrc = blendDest = -1; + } + + if ( dither != ctx->Color.DitherFlag ) + { + dither = ctx->Color.DitherFlag; + DPF(( 0, "\tDither\t\t%s", (dither) ? "ENABLED" : "--------" )); + } + if ( depthTest != ctx->Depth.Test ) + { + depthTest = ctx->Depth.Test; + DPF(( 0, "\tDepth Test\t%s", (depthTest) ? "ENABLED" : "--------" )); + } + if ( alphaTest != ctx->Color.AlphaEnabled ) + { + alphaTest = ctx->Color.AlphaEnabled; + + DPF(( 0, "\tAlpha Test\t%s", (alphaTest) ? "ENABLED" : "--------" )); + } + if ( blend != ctx->Color.BlendEnabled ) + { + blend = ctx->Color.BlendEnabled; + + DPF(( 0, "\tBlending\t%s", (blend) ? "ENABLED" : "--------" )); + } + + /*================================================*/ + /* Check too see if there are new TEXTURE states. */ + /*================================================*/ + if ( texture != ctx->Texture._EnabledUnits ) + { + texture = ctx->Texture._EnabledUnits; + DPF(( 0, "\tTexture\t\t%s", (texture) ? "ENABLED" : "--------" )); + } + + if ( ctx->Texture.Set[ctx->Texture.CurrentSet].Current ) + { + if ( ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Name != textName ) + { + textName = ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Name; + DPF(( 0, "\tTexture Name:\t%d", textName )); + DPF(( 0, "\tTexture Format:\t%s", + (ctx->Texture.Set[ctx->Texture.CurrentSet].Current->Image[0][0]->Format == GL_RGBA) ? + "GL_RGBA" : "GLRGB" )); + } + + if ( textEnv != ctx->Texture.Set[ctx->Texture.CurrentSet].EnvMode ) + { + textEnv = ctx->Texture.Set[ctx->Texture.CurrentSet].EnvMode; + + switch( textEnv ) + { + case GL_MODULATE: + DPF(( 0, "\tTexture\tMode\tGL_MODULATE" )); + break; + case GL_BLEND: + DPF(( 0, "\tTexture\tMode\tGL_BLEND" )); + break; + case GL_REPLACE: + DPF(( 0, "\tTexture\tMode\tGL_REPLACE" )); + break; + case GL_DECAL: + DPF(( 0, "\tTexture\tMode\tGL_DECAL" )); + break; + } + } + + if ( textMag != ctx->Texture.Set[ctx->Texture.CurrentSet].Current->MagFilter ) + { + textMag = ctx->Texture.Set[ctx->Texture.CurrentSet].Current->MagFilter; + + switch( textMag ) + { + case GL_NEAREST: + DPF(( 0, "\tTexture MAG\tGL_NEAREST" )); + break; + case GL_LINEAR: + DPF(( 0, "\tTexture MAG\tGL_LINEAR" )); + break; + case GL_NEAREST_MIPMAP_NEAREST: + DPF(( 0, "\tTexture MAG\tGL_NEAREST_MIPMAP_NEAREST" )); + break; + case GL_LINEAR_MIPMAP_NEAREST: + DPF(( 0, "\tTexture MAG\tGL_LINEAR_MIPMAP_NEAREST" )); + break; + case GL_NEAREST_MIPMAP_LINEAR: + DPF(( 0, "\tTexture MAG\tGL_NEAREST_MIPMAP_LINEAR" )); + break; + case GL_LINEAR_MIPMAP_LINEAR: + DPF(( 0, "\tTexture MAG\tGL_LINEAR_MIPMAP_LINEAR" )); + break; + } + } + + if ( textMin != ctx->Texture.Set[ctx->Texture.CurrentSet].Current->MinFilter ) + { + textMin = ctx->Texture.Set[ctx->Texture.CurrentSet].Current->MinFilter; + + switch( textMin ) + { + case GL_NEAREST: + DPF(( 0, "\tTexture MIN\tGL_NEAREST" )); + break; + case GL_LINEAR: + DPF(( 0, "\tTexture MIN\tGL_LINEAR" )); + break; + case GL_NEAREST_MIPMAP_NEAREST: + DPF(( 0, "\tTexture MIN\tGL_NEAREST_MIPMAP_NEAREST" )); + break; + case GL_LINEAR_MIPMAP_NEAREST: + DPF(( 0, "\tTexture MIN\tGL_LINEAR_MIPMAP_NEAREST" )); + break; + case GL_NEAREST_MIPMAP_LINEAR: + DPF(( 0, "\tTexture MIN\tGL_LINEAR_MIPMAP_LINEAR" )); + break; + case GL_LINEAR_MIPMAP_LINEAR: + DPF(( 0, "\tTexture MIN\tGL_LINEAR_MIPMAP_LINEAR" )); + break; + } + } + } + + if ( ctx->Polygon.FrontMode != polyMode ) + { + polyMode = ctx->Polygon.FrontMode; + + switch( polyMode ) + { + case GL_POINT: + DPF(( 0, "\tMode\t\tGL_POINT" )); + break; + case GL_LINE: + DPF(( 0, "\tMode\t\tGL_LINE" )); + break; + case GL_FILL: + DPF(( 0, "\tMode\t\tGL_FILL" )); + break; + } + } + + if ( depthFunc != ctx->Depth.Func ) + { + depthFunc = ctx->Depth.Func; + + switch( depthFunc ) + { + case GL_NEVER: + DPF(( 0, "\tDepth Func\tGL_NEVER" )); + break; + case GL_LESS: + DPF(( 0, "\tDepth Func\tGL_LESS" )); + break; + case GL_GEQUAL: + DPF(( 0, "\tDepth Func\tGL_GEQUAL" )); + break; + case GL_LEQUAL: + DPF(( 0, "\tDepth Func\tGL_LEQUAL" )); + break; + case GL_GREATER: + DPF(( 0, "\tDepth Func\tGL_GREATER" )); + break; + case GL_NOTEQUAL: + DPF(( 0, "\tDepth Func\tGL_NOTEQUAL" )); + break; + case GL_EQUAL: + DPF(( 0, "\tDepth Func\tGL_EQUAL" )); + break; + case GL_ALWAYS: + DPF(( 0, "\tDepth Func\tGL_ALWAYS" )); + break; + } + } + + if ( depthMask != ctx->Depth.Mask ) + { + depthMask = ctx->Depth.Mask; + DPF(( 0, "\tZWrite\t\t%s", (depthMask) ? "ENABLED" : "--------" )); + } + + if ( alphaFunc != ctx->Color.AlphaFunc ) + { + alphaFunc = ctx->Color.AlphaFunc; + + switch( alphaFunc ) + { + case GL_NEVER: + DPF(( 0, "\tAlpha Func\tGL_NEVER" )); + break; + case GL_LESS: + DPF(( 0, "\tAlpha Func\tGL_LESS" )); + break; + case GL_GEQUAL: + DPF(( 0, "\tAlpha Func\tGL_GEQUAL" )); + break; + case GL_LEQUAL: + DPF(( 0, "\tAlpha Func\tGL_LEQUAL" )); + break; + case GL_GREATER: + DPF(( 0, "\tAlpha Func\tGL_GREATER" )); + break; + case GL_NOTEQUAL: + DPF(( 0, "\tAlpha Func\tGL_NOTEQUAL" )); + break; + case GL_EQUAL: + DPF(( 0, "\tAlpha Func\tGL_EQUAL" )); + break; + case GL_ALWAYS: + DPF(( 0, "\tAlpha Func\tGL_ALWAYS" )); + break; + } + } + + if ( blendSrc != ctx->Color.BlendSrc ) + { + blendSrc = ctx->Color.BlendSrc; + + switch( blendSrc ) + { + case GL_ZERO: + DPF(( 0, "\tSRC Blend\tGL_ZERO" )); + break; + case GL_ONE: + DPF(( 0, "\tSRC Blend\tGL_ONE" )); + break; + case GL_DST_COLOR: + DPF(( 0, "\tSRC Blend\tGL_DST_COLOR" )); + break; + case GL_ONE_MINUS_DST_COLOR: + DPF(( 0, "\tSRC Blend\tGL_ONE_MINUS_DST_COLOR" )); + break; + case GL_SRC_ALPHA: + DPF(( 0, "\tSRC Blend\tGL_SRC_ALPHA" )); + break; + case GL_ONE_MINUS_SRC_ALPHA: + DPF(( 0, "\tSRC Blend\tGL_MINUS_SRC_ALPHA" )); + break; + case GL_DST_ALPHA: + DPF(( 0, "\tSRC Blend\tGL_DST_ALPHA" )); + break; + case GL_ONE_MINUS_DST_ALPHA: + DPF(( 0, "\tSRC Blend\tGL_ONE_MINUS_DST_ALPHA" )); + break; + case GL_SRC_ALPHA_SATURATE: + DPF(( 0, "\tSRC Blend\tGL_SRC_ALPHA_SATURATE" )); + break; + case GL_CONSTANT_COLOR: + DPF(( 0, "\tSRC Blend\tGL_CONSTANT_COLOR" )); + break; + case GL_ONE_MINUS_CONSTANT_COLOR: + DPF(( 0, "\tSRC Blend\tGL_ONE_MINUS_CONSTANT_COLOR" )); + break; + case GL_CONSTANT_ALPHA: + DPF(( 0, "\tSRC Blend\tGL_CONSTANT_ALPHA" )); + break; + case GL_ONE_MINUS_CONSTANT_ALPHA: + DPF(( 0, "\tSRC Blend\tGL_ONE_MINUS_CONSTANT_ALPHA" )); + break; + } + } + + if ( blendDest != ctx->Color.BlendDst ) + { + blendDest = ctx->Color.BlendDst; + + switch( blendDest ) + { + case GL_ZERO: + DPF(( 0, "\tDST Blend\tGL_ZERO" )); + break; + case GL_ONE: + DPF(( 0, "\tDST Blend\tGL_ONE" )); + break; + case GL_SRC_COLOR: + DPF(( 0, "\tDST Blend\tGL_SRC_COLOR" )); + break; + case GL_ONE_MINUS_SRC_COLOR: + DPF(( 0, "\tDST Blend\tGL_ONE_MINUS_SRC_COLOR" )); + break; + case GL_SRC_ALPHA: + DPF(( 0, "\tDST Blend\tGL_SRC_ALPHA" )); + break; + case GL_ONE_MINUS_SRC_ALPHA: + DPF(( 0, "\tDST Blend\tGL_ONE_MINUS_SRC_ALPHA" )); + break; + case GL_DST_ALPHA: + DPF(( 0, "\tDST Blend\tGL_DST_ALPHA" )); + break; + case GL_ONE_MINUS_DST_ALPHA: + DPF(( 0, "\tDST Blend\tGL_ONE_MINUS_DST_ALPHA" )); + break; + case GL_CONSTANT_COLOR: + DPF(( 0, "\tDST Blend\tGL_CONSTANT_COLOR" )); + break; + case GL_ONE_MINUS_CONSTANT_COLOR: + DPF(( 0, "\tDST Blend\tGL_ONE_MINUS_CONSTANT_COLOR" )); + break; + case GL_CONSTANT_ALPHA: + DPF(( 0, "\tDST Blend\tGL_CONSTANT_ALPHA" )); + break; + case GL_ONE_MINUS_CONSTANT_ALPHA: + DPF(( 0, "\tDST Blend\tGL_ONE_MINUS_CONSTANT_ALPHA" )); + break; + } + } +} |