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When calling qglDrawRangeElementsEXT(), use proper start and end parameters.

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This commit is contained in:
James Canete 2012-11-07 00:06:51 +00:00
parent 8234225459
commit 86984eb536
7 changed files with 115 additions and 36 deletions
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41
code/rend2/tr_surface.c
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@ -214,16 +214,20 @@ void RB_InstantQuad2(vec4_t quadVerts[4], vec2_t texCoords[4])
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
tess.minIndex = 0;
tess.maxIndex = 3;
RB_UpdateVBOs(ATTR_POSITION | ATTR_TEXCOORD);
GLSL_VertexAttribsState(ATTR_POSITION | ATTR_TEXCOORD);
R_DrawElementsVBO(tess.numIndexes, tess.firstIndex);
R_DrawElementsVBO(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
tess.numIndexes = 0;
tess.numVertexes = 0;
tess.firstIndex = 0;
tess.minIndex = 0;
tess.maxIndex = 0;
}
@ -461,7 +465,7 @@ static void RB_SurfaceHelper( int numVerts, srfVert_t *verts, int numTriangles,
tess.numVertexes += numVerts;
}
static qboolean RB_SurfaceHelperVBO(VBO_t *vbo, IBO_t *ibo, int numVerts, int numIndexes, int firstIndex, int dlightBits, int pshadowBits, qboolean shaderCheck)
static qboolean RB_SurfaceHelperVBO(VBO_t *vbo, IBO_t *ibo, int numVerts, int numIndexes, int firstIndex, int minIndex, int maxIndex, int dlightBits, int pshadowBits, qboolean shaderCheck)
{
int i, mergeForward, mergeBack;
GLvoid *firstIndexOffset, *lastIndexOffset;
@ -517,20 +521,26 @@ static qboolean RB_SurfaceHelperVBO(VBO_t *vbo, IBO_t *ibo, int numVerts, int nu
if (mergeBack != -1 && mergeForward == -1)
{
tess.multiDrawNumIndexes[mergeBack] += numIndexes;
tess.multiDrawLastIndex[mergeBack] = (byte *)tess.multiDrawFirstIndex[mergeBack] + tess.multiDrawNumIndexes[mergeBack] * sizeof(GL_INDEX_TYPE);
tess.multiDrawLastIndex[mergeBack] = tess.multiDrawFirstIndex[mergeBack] + tess.multiDrawNumIndexes[mergeBack];
tess.multiDrawMinIndex[mergeBack] = MIN(tess.multiDrawMinIndex[mergeBack], minIndex);
tess.multiDrawMaxIndex[mergeBack] = MAX(tess.multiDrawMaxIndex[mergeBack], maxIndex);
backEnd.pc.c_multidrawsMerged++;
}
else if (mergeBack == -1 && mergeForward != -1)
{
tess.multiDrawNumIndexes[mergeForward] += numIndexes;
tess.multiDrawFirstIndex[mergeForward] = firstIndexOffset;
tess.multiDrawLastIndex[mergeForward] = (byte *)tess.multiDrawFirstIndex[mergeForward] + tess.multiDrawNumIndexes[mergeForward] * sizeof(GL_INDEX_TYPE);
tess.multiDrawLastIndex[mergeForward] = tess.multiDrawFirstIndex[mergeForward] + tess.multiDrawNumIndexes[mergeForward];
tess.multiDrawMinIndex[mergeForward] = MIN(tess.multiDrawMinIndex[mergeForward], minIndex);
tess.multiDrawMaxIndex[mergeForward] = MAX(tess.multiDrawMaxIndex[mergeForward], maxIndex);
backEnd.pc.c_multidrawsMerged++;
}
else if (mergeBack != -1 && mergeForward != -1)
{
tess.multiDrawNumIndexes[mergeBack] += numIndexes + tess.multiDrawNumIndexes[mergeForward];
tess.multiDrawLastIndex[mergeBack] = (byte *)tess.multiDrawFirstIndex[mergeBack] + tess.multiDrawNumIndexes[mergeBack] * sizeof(GL_INDEX_TYPE);
tess.multiDrawLastIndex[mergeBack] = tess.multiDrawFirstIndex[mergeBack] + tess.multiDrawNumIndexes[mergeBack];
tess.multiDrawMinIndex[mergeBack] = MIN(tess.multiDrawMinIndex[mergeBack], MIN(tess.multiDrawMinIndex[mergeForward], minIndex));
tess.multiDrawMaxIndex[mergeBack] = MAX(tess.multiDrawMaxIndex[mergeBack], MAX(tess.multiDrawMaxIndex[mergeForward], maxIndex));
tess.multiDrawPrimitives--;
if (mergeForward != tess.multiDrawPrimitives)
@ -545,6 +555,8 @@ static qboolean RB_SurfaceHelperVBO(VBO_t *vbo, IBO_t *ibo, int numVerts, int nu
tess.multiDrawNumIndexes[tess.multiDrawPrimitives] = numIndexes;
tess.multiDrawFirstIndex[tess.multiDrawPrimitives] = firstIndexOffset;
tess.multiDrawLastIndex[tess.multiDrawPrimitives] = lastIndexOffset;
tess.multiDrawMinIndex[tess.multiDrawPrimitives] = minIndex;
tess.multiDrawMaxIndex[tess.multiDrawPrimitives] = maxIndex;
tess.multiDrawPrimitives++;
}
@ -562,7 +574,7 @@ RB_SurfaceTriangles
=============
*/
static void RB_SurfaceTriangles( srfTriangles_t *srf ) {
if( RB_SurfaceHelperVBO (srf->vbo, srf->ibo, srf->numVerts, srf->numTriangles * 3, srf->firstIndex, srf->dlightBits[backEnd.smpFrame], srf->pshadowBits[backEnd.smpFrame], qtrue ) )
if( RB_SurfaceHelperVBO (srf->vbo, srf->ibo, srf->numVerts, srf->numTriangles * 3, srf->firstIndex, srf->minIndex, srf->maxIndex, srf->dlightBits[backEnd.smpFrame], srf->pshadowBits[backEnd.smpFrame], qtrue ) )
{
return;
}
@ -623,6 +635,8 @@ static void RB_SurfaceBeam( void )
tess.numVertexes = 0;
tess.numIndexes = 0;
tess.firstIndex = 0;
tess.minIndex = 0;
tess.maxIndex = 0;
for ( i = 0; i <= NUM_BEAM_SEGS; i++ ) {
VectorCopy(start_points[ i % NUM_BEAM_SEGS ], tess.xyz[tess.numVertexes++]);
@ -639,6 +653,9 @@ static void RB_SurfaceBeam( void )
tess.indexes[tess.numIndexes++] = 1 + (i + 1) * 2;
}
tess.minIndex = 0;
tess.maxIndex = tess.numVertexes;
// FIXME: A lot of this can probably be removed for speed, and refactored into a more convenient function
RB_UpdateVBOs(ATTR_POSITION);
@ -658,11 +675,13 @@ static void RB_SurfaceBeam( void )
GLSL_SetUniformVec4(sp, TEXTURECOLOR_UNIFORM_COLOR, color);
}
R_DrawElementsVBO(tess.numIndexes, tess.firstIndex);
R_DrawElementsVBO(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
tess.numIndexes = 0;
tess.numVertexes = 0;
tess.firstIndex = 0;
tess.minIndex = 0;
tess.maxIndex = 0;
}
//================================================================================
@ -1286,7 +1305,7 @@ RB_SurfaceFace
==============
*/
static void RB_SurfaceFace( srfSurfaceFace_t *srf ) {
if( RB_SurfaceHelperVBO (srf->vbo, srf->ibo, srf->numVerts, srf->numTriangles * 3, srf->firstIndex, srf->dlightBits[backEnd.smpFrame], srf->pshadowBits[backEnd.smpFrame], qtrue ) )
if( RB_SurfaceHelperVBO (srf->vbo, srf->ibo, srf->numVerts, srf->numTriangles * 3, srf->firstIndex, srf->minIndex, srf->maxIndex, srf->dlightBits[backEnd.smpFrame], srf->pshadowBits[backEnd.smpFrame], qtrue ) )
{
return;
}
@ -1353,7 +1372,7 @@ static void RB_SurfaceGrid( srfGridMesh_t *srf ) {
int pshadowBits;
//int *vDlightBits;
if( RB_SurfaceHelperVBO (srf->vbo, srf->ibo, srf->numVerts, srf->numTriangles * 3, srf->firstIndex, srf->dlightBits[backEnd.smpFrame], srf->pshadowBits[backEnd.smpFrame], qtrue ) )
if( RB_SurfaceHelperVBO (srf->vbo, srf->ibo, srf->numVerts, srf->numTriangles * 3, srf->firstIndex, srf->minIndex, srf->maxIndex, srf->dlightBits[backEnd.smpFrame], srf->pshadowBits[backEnd.smpFrame], qtrue ) )
{
return;
}
@ -1611,7 +1630,7 @@ static void RB_SurfaceFlare(srfFlare_t *surf)
static void RB_SurfaceVBOMesh(srfVBOMesh_t * srf)
{
RB_SurfaceHelperVBO (srf->vbo, srf->ibo, srf->numVerts, srf->numIndexes, srf->firstIndex, srf->dlightBits[backEnd.smpFrame], srf->pshadowBits[backEnd.smpFrame], qfalse );
RB_SurfaceHelperVBO (srf->vbo, srf->ibo, srf->numVerts, srf->numIndexes, srf->firstIndex, srf->minIndex, srf->maxIndex, srf->dlightBits[backEnd.smpFrame], srf->pshadowBits[backEnd.smpFrame], qfalse );
}
void RB_SurfaceVBOMDVMesh(srfVBOMDVMesh_t * surface)
@ -1636,6 +1655,8 @@ void RB_SurfaceVBOMDVMesh(srfVBOMDVMesh_t * surface)
tess.numIndexes += surface->numIndexes;
tess.numVertexes += surface->numVerts;
tess.minIndex = surface->minIndex;
tess.maxIndex = surface->maxIndex;
//mdvModel = surface->mdvModel;
//mdvSurface = surface->mdvSurface;