/*
================
DrawTris
Draws triangle outlines for debugging
================
*/
static void DrawTris (shaderCommands_t *input) {
GL_Bind( tr.whiteImage );
GL_State( GLS_POLYMODE_LINE | GLS_DEPTHMASK_TRUE );
qglDepthRange( 0, 0 );
{
shaderProgram_t *sp = &tr.textureColorShader;
vec4_t color;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
VectorSet4(color, 1, 1, 1, 1);
GLSL_SetUniformVec4(sp, UNIFORM_COLOR, color);
if (input->multiDrawPrimitives)
{
R_DrawMultiElementsVao(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
}
else
{
R_DrawElementsVao(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
}
}
qglDepthRange( 0, 1 );
}
static void RB_RenderShadowmap( shaderCommands_t *input )
{
int deformGen;
vec5_t deformParams;
ComputeDeformValues(&deformGen, deformParams);
{
shaderProgram_t *sp = &tr.shadowmapShader;
vec4_t vector;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformMat4(sp, UNIFORM_MODELMATRIX, backEnd.or.transformMatrix);
GLSL_SetUniformFloat(sp, UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
GLSL_SetUniformInt(sp, UNIFORM_DEFORMGEN, deformGen);
if (deformGen != DGEN_NONE)
{
GLSL_SetUniformFloat5(sp, UNIFORM_DEFORMPARAMS, deformParams);
GLSL_SetUniformFloat(sp, UNIFORM_TIME, tess.shaderTime);
}
VectorCopy(backEnd.viewParms.or.origin, vector);
vector[3] = 1.0f;
GLSL_SetUniformVec4(sp, UNIFORM_LIGHTORIGIN, vector);
GLSL_SetUniformFloat(sp, UNIFORM_LIGHTRADIUS, backEnd.viewParms.zFar);
GL_State( 0 );
//
// do multitexture
//
//if ( pStage->glslShaderGroup )
{
//
// draw
//
if (input->multiDrawPrimitives)
{
R_DrawMultiElementsVao(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
}
else
{
R_DrawElementsVao(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
}
}
}
}
/*
==============
RB_InstantQuad
based on Tess_InstantQuad from xreal
==============
*/
void RB_InstantQuad2(vec4_t quadVerts[4], vec2_t texCoords[4])
{
GLimp_LogComment("--- RB_InstantQuad2 ---\n");
tess.numVertexes = 0;
tess.numIndexes = 0;
tess.firstIndex = 0;
VectorCopy4(quadVerts[0], tess.xyz[tess.numVertexes]);
VectorCopy2(texCoords[0], tess.texCoords[tess.numVertexes]);
tess.numVertexes++;
VectorCopy4(quadVerts[1], tess.xyz[tess.numVertexes]);
VectorCopy2(texCoords[1], tess.texCoords[tess.numVertexes]);
tess.numVertexes++;
VectorCopy4(quadVerts[2], tess.xyz[tess.numVertexes]);
VectorCopy2(texCoords[2], tess.texCoords[tess.numVertexes]);
tess.numVertexes++;
VectorCopy4(quadVerts[3], tess.xyz[tess.numVertexes]);
VectorCopy2(texCoords[3], tess.texCoords[tess.numVertexes]);
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
tess.minIndex = 0;
tess.maxIndex = 3;
RB_UpdateTessVao(ATTR_POSITION | ATTR_TEXCOORD);
R_DrawElementsVao(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
tess.numIndexes = 0;
tess.numVertexes = 0;
tess.firstIndex = 0;
tess.minIndex = 0;
tess.maxIndex = 0;
}
/*
===================
RB_FogPass
Blends a fog texture on top of everything else
===================
*/
static void RB_FogPass( void ) {
fog_t *fog;
vec4_t color;
vec4_t fogDistanceVector, fogDepthVector = {0, 0, 0, 0};
float eyeT = 0;
shaderProgram_t *sp;
int deformGen;
vec5_t deformParams;
ComputeDeformValues(&deformGen, deformParams);
{
int index = 0;
if (deformGen != DGEN_NONE)
index |= FOGDEF_USE_DEFORM_VERTEXES;
if (glState.vertexAnimation)
index |= FOGDEF_USE_VERTEX_ANIMATION;
sp = &tr.fogShader[index];
}
backEnd.pc.c_fogDraws++;
GLSL_BindProgram(sp);
fog = tr.world->fogs + tess.fogNum;
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformFloat(sp, UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
GLSL_SetUniformInt(sp, UNIFORM_DEFORMGEN, deformGen);
if (deformGen != DGEN_NONE)
{
GLSL_SetUniformFloat5(sp, UNIFORM_DEFORMPARAMS, deformParams);
GLSL_SetUniformFloat(sp, UNIFORM_TIME, tess.shaderTime);
}
color[0] = ((unsigned char *)(&fog->colorInt))[0] / 255.0f;
color[1] = ((unsigned char *)(&fog->colorInt))[1] / 255.0f;
color[2] = ((unsigned char *)(&fog->colorInt))[2] / 255.0f;
color[3] = ((unsigned char *)(&fog->colorInt))[3] / 255.0f;
GLSL_SetUniformVec4(sp, UNIFORM_COLOR, color);
ComputeFogValues(fogDistanceVector, fogDepthVector, &eyeT);
GLSL_SetUniformVec4(sp, UNIFORM_FOGDISTANCE, fogDistanceVector);
GLSL_SetUniformVec4(sp, UNIFORM_FOGDEPTH, fogDepthVector);
GLSL_SetUniformFloat(sp, UNIFORM_FOGEYET, eyeT);
if ( tess.shader->fogPass == FP_EQUAL ) {
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_DEPTHFUNC_EQUAL );
} else {
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA );
}
if (tess.multiDrawPrimitives)
{
shaderCommands_t *input = &tess;
R_DrawMultiElementsVao(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
}
else
{
R_DrawElementsVao(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
}
}
static void ProjectPshadowVBOGLSL( void ) {
int l;
vec3_t origin;
float radius;
int deformGen;
vec5_t deformParams;
shaderCommands_t *input = &tess;
if ( !backEnd.refdef.num_pshadows ) {
return;
}
ComputeDeformValues(&deformGen, deformParams);
for ( l = 0 ; l < backEnd.refdef.num_pshadows ; l++ ) {
pshadow_t *ps;
shaderProgram_t *sp;
vec4_t vector;
if ( !( tess.pshadowBits & ( 1 << l ) ) ) {
continue; // this surface definately doesn't have any of this shadow
}
ps = &backEnd.refdef.pshadows[l];
VectorCopy( ps->lightOrigin, origin );
radius = ps->lightRadius;
sp = &tr.pshadowShader;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
VectorCopy(origin, vector);
vector[3] = 1.0f;
GLSL_SetUniformVec4(sp, UNIFORM_LIGHTORIGIN, vector);
VectorScale(ps->lightViewAxis[0], 1.0f / ps->viewRadius, vector);
GLSL_SetUniformVec3(sp, UNIFORM_LIGHTFORWARD, vector);
VectorScale(ps->lightViewAxis[1], 1.0f / ps->viewRadius, vector);
GLSL_SetUniformVec3(sp, UNIFORM_LIGHTRIGHT, vector);
VectorScale(ps->lightViewAxis[2], 1.0f / ps->viewRadius, vector);
GLSL_SetUniformVec3(sp, UNIFORM_LIGHTUP, vector);
GLSL_SetUniformFloat(sp, UNIFORM_LIGHTRADIUS, radius);
// include GLS_DEPTHFUNC_EQUAL so alpha tested surfaces don't add light
// where they aren't rendered
GL_State( GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_DEPTHFUNC_EQUAL );
GL_BindToTMU( tr.pshadowMaps[l], TB_DIFFUSEMAP );
//
// draw
//
if (input->multiDrawPrimitives)
{
R_DrawMultiElementsVao(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
}
else
{
R_DrawElementsVao(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
}
backEnd.pc.c_totalIndexes += tess.numIndexes;
//backEnd.pc.c_dlightIndexes += tess.numIndexes;
}
}
static void ForwardDlight( void ) {
int l;
//vec3_t origin;
//float scale;
float radius;
int deformGen;
vec5_t deformParams;
vec4_t fogDistanceVector, fogDepthVector = {0, 0, 0, 0};
float eyeT = 0;
shaderCommands_t *input = &tess;
shaderStage_t *pStage = tess.xstages[0];
if ( !backEnd.refdef.num_dlights ) {
return;
}
ComputeDeformValues(&deformGen, deformParams);
ComputeFogValues(fogDistanceVector, fogDepthVector, &eyeT);
for ( l = 0 ; l < backEnd.refdef.num_dlights ; l++ ) {
dlight_t *dl;
shaderProgram_t *sp;
vec4_t vector;
vec4_t texMatrix;
vec4_t texOffTurb;
if ( !( tess.dlightBits & ( 1 << l ) ) ) {
continue; // this surface definately doesn't have any of this light
}
dl = &backEnd.refdef.dlights[l];
//VectorCopy( dl->transformed, origin );
radius = dl->radius;
//scale = 1.0f / radius;
//if (pStage->glslShaderGroup == tr.lightallShader)
{
int index = pStage->glslShaderIndex;
index &= ~LIGHTDEF_LIGHTTYPE_MASK;
index |= LIGHTDEF_USE_LIGHT_VECTOR;
sp = &tr.lightallShader[index];
}
backEnd.pc.c_lightallDraws++;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformVec3(sp, UNIFORM_VIEWORIGIN, backEnd.viewParms.or.origin);
GLSL_SetUniformVec3(sp, UNIFORM_LOCALVIEWORIGIN, backEnd.or.viewOrigin);
GLSL_SetUniformFloat(sp, UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
GLSL_SetUniformInt(sp, UNIFORM_DEFORMGEN, deformGen);
if (deformGen != DGEN_NONE)
{
GLSL_SetUniformFloat5(sp, UNIFORM_DEFORMPARAMS, deformParams);
GLSL_SetUniformFloat(sp, UNIFORM_TIME, tess.shaderTime);
}
if ( input->fogNum ) {
vec4_t fogColorMask;
GLSL_SetUniformVec4(sp, UNIFORM_FOGDISTANCE, fogDistanceVector);
GLSL_SetUniformVec4(sp, UNIFORM_FOGDEPTH, fogDepthVector);
GLSL_SetUniformFloat(sp, UNIFORM_FOGEYET, eyeT);
ComputeFogColorMask(pStage, fogColorMask);
GLSL_SetUniformVec4(sp, UNIFORM_FOGCOLORMASK, fogColorMask);
}
{
vec4_t baseColor;
vec4_t vertColor;
ComputeShaderColors(pStage, baseColor, vertColor, GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE);
GLSL_SetUniformVec4(sp, UNIFORM_BASECOLOR, baseColor);
GLSL_SetUniformVec4(sp, UNIFORM_VERTCOLOR, vertColor);
}
if (pStage->alphaGen == AGEN_PORTAL)
{
GLSL_SetUniformFloat(sp, UNIFORM_PORTALRANGE, tess.shader->portalRange);
}
GLSL_SetUniformInt(sp, UNIFORM_COLORGEN, pStage->rgbGen);
GLSL_SetUniformInt(sp, UNIFORM_ALPHAGEN, pStage->alphaGen);
GLSL_SetUniformVec3(sp, UNIFORM_DIRECTEDLIGHT, dl->color);
VectorSet(vector, 0, 0, 0);
GLSL_SetUniformVec3(sp, UNIFORM_AMBIENTLIGHT, vector);
VectorCopy(dl->origin, vector);
vector[3] = 1.0f;
GLSL_SetUniformVec4(sp, UNIFORM_LIGHTORIGIN, vector);
GLSL_SetUniformFloat(sp, UNIFORM_LIGHTRADIUS, radius);
GLSL_SetUniformVec4(sp, UNIFORM_NORMALSCALE, pStage->normalScale);
GLSL_SetUniformVec4(sp, UNIFORM_SPECULARSCALE, pStage->specularScale);
// include GLS_DEPTHFUNC_EQUAL so alpha tested surfaces don't add light
// where they aren't rendered
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
GLSL_SetUniformMat4(sp, UNIFORM_MODELMATRIX, backEnd.or.transformMatrix);
if (pStage->bundle[TB_DIFFUSEMAP].image[0])
R_BindAnimatedImageToTMU( &pStage->bundle[TB_DIFFUSEMAP], TB_DIFFUSEMAP);
// bind textures that are sampled and used in the glsl shader, and
// bind whiteImage to textures that are sampled but zeroed in the glsl shader
//
// alternatives:
// - use the last bound texture
// -> costs more to sample a higher res texture then throw out the result
// - disable texture sampling in glsl shader with #ifdefs, as before
// -> increases the number of shaders that must be compiled
//
if (pStage->bundle[TB_NORMALMAP].image[0])
{
R_BindAnimatedImageToTMU( &pStage->bundle[TB_NORMALMAP], TB_NORMALMAP);
}
else if (r_normalMapping->integer)
GL_BindToTMU( tr.whiteImage, TB_NORMALMAP );
if (pStage->bundle[TB_SPECULARMAP].image[0])
{
R_BindAnimatedImageToTMU( &pStage->bundle[TB_SPECULARMAP], TB_SPECULARMAP);
}
else if (r_specularMapping->integer)
GL_BindToTMU( tr.whiteImage, TB_SPECULARMAP );
{
vec4_t enableTextures;
VectorSet4(enableTextures, 0.0f, 0.0f, 0.0f, 0.0f);
GLSL_SetUniformVec4(sp, UNIFORM_ENABLETEXTURES, enableTextures);
}
if (r_dlightMode->integer >= 2)
{
GL_SelectTexture(TB_SHADOWMAP);
GL_Bind(tr.shadowCubemaps[l]);
GL_SelectTexture(0);
}
ComputeTexMods( pStage, TB_DIFFUSEMAP, texMatrix, texOffTurb );
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXMATRIX, texMatrix);
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXOFFTURB, texOffTurb);
GLSL_SetUniformInt(sp, UNIFORM_TCGEN0, pStage->bundle[0].tcGen);
//
// draw
//
if (input->multiDrawPrimitives)
{
R_DrawMultiElementsVao(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
}
else
{
R_DrawElementsVao(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
}
backEnd.pc.c_totalIndexes += tess.numIndexes;
backEnd.pc.c_dlightIndexes += tess.numIndexes;
backEnd.pc.c_dlightVertexes += tess.numVertexes;
}
}
static void ProjectDlightTexture( void ) {
int l;
vec3_t origin;
float scale;
float radius;
int deformGen;
vec5_t deformParams;
if ( !backEnd.refdef.num_dlights ) {
return;
}
ComputeDeformValues(&deformGen, deformParams);
for ( l = 0 ; l < backEnd.refdef.num_dlights ; l++ ) {
dlight_t *dl;
shaderProgram_t *sp;
vec4_t vector;
if ( !( tess.dlightBits & ( 1 << l ) ) ) {
continue; // this surface definately doesn't have any of this light
}
dl = &backEnd.refdef.dlights[l];
VectorCopy( dl->transformed, origin );
radius = dl->radius;
scale = 1.0f / radius;
sp = &tr.dlightShader[deformGen == DGEN_NONE ? 0 : 1];
backEnd.pc.c_dlightDraws++;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformFloat(sp, UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
GLSL_SetUniformInt(sp, UNIFORM_DEFORMGEN, deformGen);
if (deformGen != DGEN_NONE)
{
GLSL_SetUniformFloat5(sp, UNIFORM_DEFORMPARAMS, deformParams);
GLSL_SetUniformFloat(sp, UNIFORM_TIME, tess.shaderTime);
}
vector[0] = dl->color[0];
vector[1] = dl->color[1];
vector[2] = dl->color[2];
vector[3] = 1.0f;
GLSL_SetUniformVec4(sp, UNIFORM_COLOR, vector);
vector[0] = origin[0];
vector[1] = origin[1];
vector[2] = origin[2];
vector[3] = scale;
GLSL_SetUniformVec4(sp, UNIFORM_DLIGHTINFO, vector);
GL_Bind( tr.dlightImage );
// include GLS_DEPTHFUNC_EQUAL so alpha tested surfaces don't add light
// where they aren't rendered
if ( dl->additive ) {
GL_State( GLS_ATEST_GT_0 | GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
}
else {
GL_State( GLS_ATEST_GT_0 | GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
}
if (tess.multiDrawPrimitives)
{
shaderCommands_t *input = &tess;
R_DrawMultiElementsVao(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
}
else
{
R_DrawElementsVao(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
}
backEnd.pc.c_totalIndexes += tess.numIndexes;
backEnd.pc.c_dlightIndexes += tess.numIndexes;
backEnd.pc.c_dlightVertexes += tess.numVertexes;
}
}
static void RB_IterateStagesGeneric( shaderCommands_t *input )
{
int stage;
vec4_t fogDistanceVector, fogDepthVector = {0, 0, 0, 0};
float eyeT = 0;
int deformGen;
vec5_t deformParams;
ComputeDeformValues(&deformGen, deformParams);
ComputeFogValues(fogDistanceVector, fogDepthVector, &eyeT);
for ( stage = 0; stage < MAX_SHADER_STAGES; stage++ )
{
shaderStage_t *pStage = input->xstages[stage];
shaderProgram_t *sp;
vec4_t texMatrix;
vec4_t texOffTurb;
if ( !pStage )
{
break;
}
if (backEnd.depthFill)
{
if (pStage->glslShaderGroup == tr.lightallShader)
{
int index = 0;
if (backEnd.currentEntity && backEnd.currentEntity != &tr.worldEntity)
{
index |= LIGHTDEF_ENTITY;
}
if (pStage->stateBits & GLS_ATEST_BITS)
{
index |= LIGHTDEF_USE_TCGEN_AND_TCMOD;
}
sp = &pStage->glslShaderGroup[index];
}
else
{
int shaderAttribs = 0;
if (tess.shader->numDeforms && !ShaderRequiresCPUDeforms(tess.shader))
{
shaderAttribs |= GENERICDEF_USE_DEFORM_VERTEXES;
}
if (glState.vertexAnimation)
{
shaderAttribs |= GENERICDEF_USE_VERTEX_ANIMATION;
}
if (pStage->stateBits & GLS_ATEST_BITS)
{
shaderAttribs |= GENERICDEF_USE_TCGEN_AND_TCMOD;
}
sp = &tr.genericShader[shaderAttribs];
}
}
else if (pStage->glslShaderGroup == tr.lightallShader)
{
int index = pStage->glslShaderIndex;
if (backEnd.currentEntity && backEnd.currentEntity != &tr.worldEntity)
{
index |= LIGHTDEF_ENTITY;
}
if (r_sunlightMode->integer && (backEnd.viewParms.flags & VPF_USESUNLIGHT) && (index & LIGHTDEF_LIGHTTYPE_MASK))
{
index |= LIGHTDEF_USE_SHADOWMAP;
}
if (r_lightmap->integer && index & LIGHTDEF_USE_LIGHTMAP)
{
index = LIGHTDEF_USE_LIGHTMAP;
}
sp = &pStage->glslShaderGroup[index];
backEnd.pc.c_lightallDraws++;
}
else
{
sp = GLSL_GetGenericShaderProgram(stage);
backEnd.pc.c_genericDraws++;
}
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformVec3(sp, UNIFORM_VIEWORIGIN, backEnd.viewParms.or.origin);
GLSL_SetUniformVec3(sp, UNIFORM_LOCALVIEWORIGIN, backEnd.or.viewOrigin);
GLSL_SetUniformFloat(sp, UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
GLSL_SetUniformInt(sp, UNIFORM_DEFORMGEN, deformGen);
if (deformGen != DGEN_NONE)
{
GLSL_SetUniformFloat5(sp, UNIFORM_DEFORMPARAMS, deformParams);
GLSL_SetUniformFloat(sp, UNIFORM_TIME, tess.shaderTime);
}
if ( input->fogNum ) {
GLSL_SetUniformVec4(sp, UNIFORM_FOGDISTANCE, fogDistanceVector);
GLSL_SetUniformVec4(sp, UNIFORM_FOGDEPTH, fogDepthVector);
GLSL_SetUniformFloat(sp, UNIFORM_FOGEYET, eyeT);
}
GL_State( pStage->stateBits );
{
vec4_t baseColor;
vec4_t vertColor;
ComputeShaderColors(pStage, baseColor, vertColor, pStage->stateBits);
if ((backEnd.refdef.colorScale != 1.0f) && !(backEnd.refdef.rdflags & RDF_NOWORLDMODEL))
{
// use VectorScale to only scale first three values, not alpha
VectorScale(baseColor, backEnd.refdef.colorScale, baseColor);
VectorScale(vertColor, backEnd.refdef.colorScale, vertColor);
}
GLSL_SetUniformVec4(sp, UNIFORM_BASECOLOR, baseColor);
GLSL_SetUniformVec4(sp, UNIFORM_VERTCOLOR, vertColor);
}
if (pStage->rgbGen == CGEN_LIGHTING_DIFFUSE)
{
vec4_t vec;
VectorScale(backEnd.currentEntity->ambientLight, 1.0f / 255.0f, vec);
GLSL_SetUniformVec3(sp, UNIFORM_AMBIENTLIGHT, vec);
VectorScale(backEnd.currentEntity->directedLight, 1.0f / 255.0f, vec);
GLSL_SetUniformVec3(sp, UNIFORM_DIRECTEDLIGHT, vec);
VectorCopy(backEnd.currentEntity->lightDir, vec);
vec[3] = 0.0f;
GLSL_SetUniformVec4(sp, UNIFORM_LIGHTORIGIN, vec);
GLSL_SetUniformVec3(sp, UNIFORM_MODELLIGHTDIR, backEnd.currentEntity->modelLightDir);
GLSL_SetUniformFloat(sp, UNIFORM_LIGHTRADIUS, 0.0f);
}
if (pStage->alphaGen == AGEN_PORTAL)
{
GLSL_SetUniformFloat(sp, UNIFORM_PORTALRANGE, tess.shader->portalRange);
}
GLSL_SetUniformInt(sp, UNIFORM_COLORGEN, pStage->rgbGen);
GLSL_SetUniformInt(sp, UNIFORM_ALPHAGEN, pStage->alphaGen);
if ( input->fogNum )
{
vec4_t fogColorMask;
ComputeFogColorMask(pStage, fogColorMask);
GLSL_SetUniformVec4(sp, UNIFORM_FOGCOLORMASK, fogColorMask);
}
ComputeTexMods( pStage, TB_DIFFUSEMAP, texMatrix, texOffTurb );
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXMATRIX, texMatrix);
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXOFFTURB, texOffTurb);
GLSL_SetUniformInt(sp, UNIFORM_TCGEN0, pStage->bundle[0].tcGen);
if (pStage->bundle[0].tcGen == TCGEN_VECTOR)
{
vec3_t vec;
VectorCopy(pStage->bundle[0].tcGenVectors[0], vec);
GLSL_SetUniformVec3(sp, UNIFORM_TCGEN0VECTOR0, vec);
VectorCopy(pStage->bundle[0].tcGenVectors[1], vec);
GLSL_SetUniformVec3(sp, UNIFORM_TCGEN0VECTOR1, vec);
}
GLSL_SetUniformMat4(sp, UNIFORM_MODELMATRIX, backEnd.or.transformMatrix);
GLSL_SetUniformVec4(sp, UNIFORM_NORMALSCALE, pStage->normalScale);
GLSL_SetUniformVec4(sp, UNIFORM_SPECULARSCALE, pStage->specularScale);
//GLSL_SetUniformFloat(sp, UNIFORM_MAPLIGHTSCALE, backEnd.refdef.mapLightScale);
//
// do multitexture
//
if ( backEnd.depthFill )
{
if (!(pStage->stateBits & GLS_ATEST_BITS))
GL_BindToTMU( tr.whiteImage, 0 );
else if ( pStage->bundle[TB_COLORMAP].image[0] != 0 )
R_BindAnimatedImageToTMU( &pStage->bundle[TB_COLORMAP], TB_COLORMAP );
}
else if ( pStage->glslShaderGroup == tr.lightallShader )
{
int i;
vec4_t enableTextures;
if (r_sunlightMode->integer && (backEnd.viewParms.flags & VPF_USESUNLIGHT) && (pStage->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK))
{
GL_BindToTMU(tr.screenShadowImage, TB_SHADOWMAP);
GLSL_SetUniformVec3(sp, UNIFORM_PRIMARYLIGHTAMBIENT, backEnd.refdef.sunAmbCol);
GLSL_SetUniformVec3(sp, UNIFORM_PRIMARYLIGHTCOLOR, backEnd.refdef.sunCol);
GLSL_SetUniformVec4(sp, UNIFORM_PRIMARYLIGHTORIGIN, backEnd.refdef.sunDir);
}
VectorSet4(enableTextures, 0, 0, 0, 0);
if ((r_lightmap->integer == 1 || r_lightmap->integer == 2) && pStage->bundle[TB_LIGHTMAP].image[0])
{
for (i = 0; i < NUM_TEXTURE_BUNDLES; i++)
{
if (i == TB_LIGHTMAP)
R_BindAnimatedImageToTMU( &pStage->bundle[TB_LIGHTMAP], i);
else
GL_BindToTMU( tr.whiteImage, i );
}
}
else if (r_lightmap->integer == 3 && pStage->bundle[TB_DELUXEMAP].image[0])
{
for (i = 0; i < NUM_TEXTURE_BUNDLES; i++)
{
if (i == TB_LIGHTMAP)
R_BindAnimatedImageToTMU( &pStage->bundle[TB_DELUXEMAP], i);
else
GL_BindToTMU( tr.whiteImage, i );
}
}
else
{
qboolean light = (pStage->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK) != 0;
qboolean fastLight = !(r_normalMapping->integer || r_specularMapping->integer);
if (pStage->bundle[TB_DIFFUSEMAP].image[0])
R_BindAnimatedImageToTMU( &pStage->bundle[TB_DIFFUSEMAP], TB_DIFFUSEMAP);
if (pStage->bundle[TB_LIGHTMAP].image[0])
R_BindAnimatedImageToTMU( &pStage->bundle[TB_LIGHTMAP], TB_LIGHTMAP);
// bind textures that are sampled and used in the glsl shader, and
// bind whiteImage to textures that are sampled but zeroed in the glsl shader
//
// alternatives:
// - use the last bound texture
// -> costs more to sample a higher res texture then throw out the result
// - disable texture sampling in glsl shader with #ifdefs, as before
// -> increases the number of shaders that must be compiled
//
if (light && !fastLight)
{
if (pStage->bundle[TB_NORMALMAP].image[0])
{
R_BindAnimatedImageToTMU( &pStage->bundle[TB_NORMALMAP], TB_NORMALMAP);
enableTextures[0] = 1.0f;
}
else if (r_normalMapping->integer)
GL_BindToTMU( tr.whiteImage, TB_NORMALMAP );
if (pStage->bundle[TB_DELUXEMAP].image[0])
{
R_BindAnimatedImageToTMU( &pStage->bundle[TB_DELUXEMAP], TB_DELUXEMAP);
enableTextures[1] = 1.0f;
}
else if (r_deluxeMapping->integer)
GL_BindToTMU( tr.whiteImage, TB_DELUXEMAP );
if (pStage->bundle[TB_SPECULARMAP].image[0])
{
R_BindAnimatedImageToTMU( &pStage->bundle[TB_SPECULARMAP], TB_SPECULARMAP);
enableTextures[2] = 1.0f;
}
else if (r_specularMapping->integer)
GL_BindToTMU( tr.whiteImage, TB_SPECULARMAP );
}
enableTextures[3] = (r_cubeMapping->integer && !(tr.viewParms.flags & VPF_NOCUBEMAPS) && input->cubemapIndex) ? 1.0f : 0.0f;
}
GLSL_SetUniformVec4(sp, UNIFORM_ENABLETEXTURES, enableTextures);
}
else if ( pStage->bundle[1].image[0] != 0 )
{
R_BindAnimatedImageToTMU( &pStage->bundle[0], 0 );
R_BindAnimatedImageToTMU( &pStage->bundle[1], 1 );
}
else
{
//
// set state
//
R_BindAnimatedImageToTMU( &pStage->bundle[0], 0 );
}
//
// testing cube map
//
if (!(tr.viewParms.flags & VPF_NOCUBEMAPS) && input->cubemapIndex && r_cubeMapping->integer)
{
vec4_t vec;
GL_BindToTMU( tr.cubemaps[input->cubemapIndex - 1], TB_CUBEMAP);
vec[0] = tr.cubemapOrigins[input->cubemapIndex - 1][0] - backEnd.viewParms.or.origin[0];
vec[1] = tr.cubemapOrigins[input->cubemapIndex - 1][1] - backEnd.viewParms.or.origin[1];
vec[2] = tr.cubemapOrigins[input->cubemapIndex - 1][2] - backEnd.viewParms.or.origin[2];
vec[3] = 1.0f;
VectorScale4(vec, 1.0f / 1000.0f, vec);
GLSL_SetUniformVec4(sp, UNIFORM_CUBEMAPINFO, vec);
}
//
// draw
//
if (input->multiDrawPrimitives)
{
R_DrawMultiElementsVao(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
}
else
{
R_DrawElementsVao(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
}
// allow skipping out to show just lightmaps during development
if ( r_lightmap->integer && ( pStage->bundle[0].isLightmap || pStage->bundle[1].isLightmap ) )
{
break;
}
if (backEnd.depthFill)
break;
}
}
/*
==============
RB_SurfaceBeam
==============
*/
static void RB_SurfaceBeam( void )
{
#define NUM_BEAM_SEGS 6
refEntity_t *e;
shaderProgram_t *sp = &tr.textureColorShader;
int i;
vec3_t perpvec;
vec3_t direction, normalized_direction;
vec3_t start_points[NUM_BEAM_SEGS], end_points[NUM_BEAM_SEGS];
vec3_t oldorigin, origin;
e = &backEnd.currentEntity->e;
oldorigin[0] = e->oldorigin[0];
oldorigin[1] = e->oldorigin[1];
oldorigin[2] = e->oldorigin[2];
origin[0] = e->origin[0];
origin[1] = e->origin[1];
origin[2] = e->origin[2];
normalized_direction[0] = direction[0] = oldorigin[0] - origin[0];
normalized_direction[1] = direction[1] = oldorigin[1] - origin[1];
normalized_direction[2] = direction[2] = oldorigin[2] - origin[2];
if ( VectorNormalize( normalized_direction ) == 0 )
return;
PerpendicularVector( perpvec, normalized_direction );
VectorScale( perpvec, 4, perpvec );
for ( i = 0; i < NUM_BEAM_SEGS ; i++ )
{
RotatePointAroundVector( start_points[i], normalized_direction, perpvec, (360.0/NUM_BEAM_SEGS)*i );
// VectorAdd( start_points[i], origin, start_points[i] );
VectorAdd( start_points[i], direction, end_points[i] );
}
GL_BindToTMU( tr.whiteImage, TB_COLORMAP );
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE );
// FIXME: Quake3 doesn't use this, so I never tested it
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++]);
VectorCopy(end_points [ i % NUM_BEAM_SEGS ], tess.xyz[tess.numVertexes++]);
}
for ( i = 0; i < NUM_BEAM_SEGS; i++ ) {
tess.indexes[tess.numIndexes++] = i * 2;
tess.indexes[tess.numIndexes++] = (i + 1) * 2;
tess.indexes[tess.numIndexes++] = 1 + i * 2;
tess.indexes[tess.numIndexes++] = 1 + i * 2;
tess.indexes[tess.numIndexes++] = (i + 1) * 2;
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_UpdateTessVao(ATTR_POSITION);
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformVec4(sp, UNIFORM_COLOR, colorRed);
R_DrawElementsVao(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
tess.numIndexes = 0;
tess.numVertexes = 0;
tess.firstIndex = 0;
tess.minIndex = 0;
tess.maxIndex = 0;
}
static void DrawSkySideInner( struct image_s *image, const int mins[2], const int maxs[2] )
{
int s, t;
int firstVertex = tess.numVertexes;
//int firstIndex = tess.numIndexes;
int minIndex = tess.minIndex;
int maxIndex = tess.maxIndex;
vec4_t color;
//tess.numVertexes = 0;
//tess.numIndexes = 0;
tess.firstIndex = tess.numIndexes;
GL_Bind( image );
GL_Cull( CT_TWO_SIDED );
for ( t = mins[1]+HALF_SKY_SUBDIVISIONS; t <= maxs[1]+HALF_SKY_SUBDIVISIONS; t++ )
{
for ( s = mins[0]+HALF_SKY_SUBDIVISIONS; s <= maxs[0]+HALF_SKY_SUBDIVISIONS; s++ )
{
tess.xyz[tess.numVertexes][0] = s_skyPoints[t][s][0];
tess.xyz[tess.numVertexes][1] = s_skyPoints[t][s][1];
tess.xyz[tess.numVertexes][2] = s_skyPoints[t][s][2];
tess.xyz[tess.numVertexes][3] = 1.0;
tess.texCoords[tess.numVertexes][0][0] = s_skyTexCoords[t][s][0];
tess.texCoords[tess.numVertexes][0][1] = s_skyTexCoords[t][s][1];
tess.numVertexes++;
if(tess.numVertexes >= SHADER_MAX_VERTEXES)
{
ri.Error(ERR_DROP, "SHADER_MAX_VERTEXES hit in DrawSkySideVBO()\n");
}
}
}
for ( t = 0; t < maxs[1] - mins[1]; t++ )
{
for ( s = 0; s < maxs[0] - mins[0]; s++ )
{
if (tess.numIndexes + 6 >= SHADER_MAX_INDEXES)
{
ri.Error(ERR_DROP, "SHADER_MAX_INDEXES hit in DrawSkySideVBO()\n");
}
tess.indexes[tess.numIndexes++] = s + t * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = s + (t + 1) * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = (s + 1) + t * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = (s + 1) + t * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = s + (t + 1) * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = (s + 1) + (t + 1) * (maxs[0] - mins[0] + 1) + firstVertex;
}
}
tess.minIndex = firstVertex;
tess.maxIndex = tess.numVertexes;
// FIXME: A lot of this can probably be removed for speed, and refactored into a more convenient function
RB_UpdateTessVao(ATTR_POSITION | ATTR_TEXCOORD);
/*
{
shaderProgram_t *sp = &tr.textureColorShader;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
color[0] =
color[1] =
color[2] = tr.identityLight;
color[3] = 1.0f;
GLSL_SetUniformVec4(sp, UNIFORM_COLOR, color);
}
*/
{
shaderProgram_t *sp = &tr.lightallShader[0];
vec4_t vector;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
color[0] =
color[1] =
color[2] = backEnd.refdef.colorScale;
color[3] = 1.0f;
GLSL_SetUniformVec4(sp, UNIFORM_BASECOLOR, color);
color[0] =
color[1] =
color[2] =
color[3] = 0.0f;
GLSL_SetUniformVec4(sp, UNIFORM_VERTCOLOR, color);
VectorSet4(vector, 1.0, 0.0, 0.0, 1.0);
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXMATRIX, vector);
VectorSet4(vector, 0.0, 0.0, 0.0, 0.0);
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXOFFTURB, vector);
}
R_DrawElementsVao(tess.numIndexes - tess.firstIndex, tess.firstIndex, tess.minIndex, tess.maxIndex);
//qglDrawElements(GL_TRIANGLES, tess.numIndexes - tess.firstIndex, GL_INDEX_TYPE, BUFFER_OFFSET(tess.firstIndex * sizeof(glIndex_t)));
//R_BindNullVBO();
//R_BindNullIBO();
tess.numIndexes = tess.firstIndex;
tess.numVertexes = firstVertex;
tess.firstIndex = 0;
tess.minIndex = minIndex;
tess.maxIndex = maxIndex;
}
