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authorTim Angus <tim@ngus.net>2013-02-15 23:46:37 +0000
committerTim Angus <tim@ngus.net>2013-02-16 21:55:58 +0000
commit1fba10104e76e937eeac60bc207a74012ab936dc (patch)
tree7bcb5507cd1aa13e6f07b74c008e9391abbf26ae /src/rend2/tr_shade.c
parentc1ad10c57be23f89f658a13729e4349b400a8734 (diff)
renderer -> renderergl1, rend2 -> renderergl2
Diffstat (limited to 'src/rend2/tr_shade.c')
-rw-r--r--src/rend2/tr_shade.c1866
1 files changed, 0 insertions, 1866 deletions
diff --git a/src/rend2/tr_shade.c b/src/rend2/tr_shade.c
deleted file mode 100644
index b4758a86..00000000
--- a/src/rend2/tr_shade.c
+++ /dev/null
@@ -1,1866 +0,0 @@
-/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
-
-This file is part of Quake III Arena source code.
-
-Quake III Arena source code is free software; you can redistribute it
-and/or modify it under the terms of the GNU General Public License as
-published by the Free Software Foundation; either version 2 of the License,
-or (at your option) any later version.
-
-Quake III Arena source code is distributed in the hope that it will be
-useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with Quake III Arena source code; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-===========================================================================
-*/
-// tr_shade.c
-
-#include "tr_local.h"
-#if idppc_altivec && !defined(MACOS_X)
-#include <altivec.h>
-#endif
-
-/*
-
- THIS ENTIRE FILE IS BACK END
-
- This file deals with applying shaders to surface data in the tess struct.
-*/
-
-
-/*
-==================
-R_DrawElements
-
-==================
-*/
-
-void R_DrawElementsVBO( int numIndexes, glIndex_t firstIndex, glIndex_t minIndex, glIndex_t maxIndex )
-{
- if (glRefConfig.drawRangeElements)
- qglDrawRangeElementsEXT(GL_TRIANGLES, minIndex, maxIndex, numIndexes, GL_INDEX_TYPE, BUFFER_OFFSET(firstIndex * sizeof(GL_INDEX_TYPE)));
- else
- qglDrawElements(GL_TRIANGLES, numIndexes, GL_INDEX_TYPE, BUFFER_OFFSET(firstIndex * sizeof(GL_INDEX_TYPE)));
-
-}
-
-
-static void R_DrawMultiElementsVBO( int multiDrawPrimitives, glIndex_t *multiDrawMinIndex, glIndex_t *multiDrawMaxIndex,
- GLsizei *multiDrawNumIndexes, glIndex_t **multiDrawFirstIndex)
-{
- if (glRefConfig.multiDrawArrays)
- {
- qglMultiDrawElementsEXT(GL_TRIANGLES, multiDrawNumIndexes, GL_INDEX_TYPE, (const GLvoid **)multiDrawFirstIndex, multiDrawPrimitives);
- }
- else
- {
- int i;
-
- if (glRefConfig.drawRangeElements)
- {
- for (i = 0; i < multiDrawPrimitives; i++)
- {
- qglDrawRangeElementsEXT(GL_TRIANGLES, multiDrawMinIndex[i], multiDrawMaxIndex[i], multiDrawNumIndexes[i], GL_INDEX_TYPE, multiDrawFirstIndex[i]);
- }
- }
- else
- {
- for (i = 0; i < multiDrawPrimitives; i++)
- {
- qglDrawElements(GL_TRIANGLES, multiDrawNumIndexes[i], GL_INDEX_TYPE, multiDrawFirstIndex[i]);
- }
- }
- }
-}
-
-
-/*
-=============================================================
-
-SURFACE SHADERS
-
-=============================================================
-*/
-
-shaderCommands_t tess;
-
-
-/*
-=================
-R_BindAnimatedImageToTMU
-
-=================
-*/
-static void R_BindAnimatedImageToTMU( textureBundle_t *bundle, int tmu ) {
- int index;
-
- if ( bundle->isVideoMap ) {
- int oldtmu = glState.currenttmu;
- GL_SelectTexture(tmu);
- ri.CIN_RunCinematic(bundle->videoMapHandle);
- ri.CIN_UploadCinematic(bundle->videoMapHandle);
- GL_SelectTexture(oldtmu);
- return;
- }
-
- if ( bundle->numImageAnimations <= 1 ) {
- GL_BindToTMU( bundle->image[0], tmu);
- return;
- }
-
- // it is necessary to do this messy calc to make sure animations line up
- // exactly with waveforms of the same frequency
- index = ri.ftol(tess.shaderTime * bundle->imageAnimationSpeed * FUNCTABLE_SIZE);
- index >>= FUNCTABLE_SIZE2;
-
- if ( index < 0 ) {
- index = 0; // may happen with shader time offsets
- }
- index %= bundle->numImageAnimations;
-
- GL_BindToTMU( bundle->image[ index ], tmu );
-}
-
-
-/*
-================
-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_VertexAttribsState(ATTR_POSITION);
- GLSL_BindProgram(sp);
-
- GLSL_SetUniformMatrix16(sp, TEXTURECOLOR_UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
- VectorSet4(color, 1, 1, 1, 1);
- GLSL_SetUniformVec4(sp, TEXTURECOLOR_UNIFORM_COLOR, color);
-
- if (input->multiDrawPrimitives)
- {
- R_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
- }
- else
- {
- R_DrawElementsVBO(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
- }
- }
-
- qglDepthRange( 0, 1 );
-}
-
-
-/*
-================
-DrawNormals
-
-Draws vertex normals for debugging
-================
-*/
-static void DrawNormals (shaderCommands_t *input) {
- //FIXME: implement this
-}
-
-/*
-==============
-RB_BeginSurface
-
-We must set some things up before beginning any tesselation,
-because a surface may be forced to perform a RB_End due
-to overflow.
-==============
-*/
-void RB_BeginSurface( shader_t *shader, int fogNum ) {
-
- shader_t *state = (shader->remappedShader) ? shader->remappedShader : shader;
-
- tess.numIndexes = 0;
- tess.firstIndex = 0;
- tess.numVertexes = 0;
- tess.multiDrawPrimitives = 0;
- tess.shader = state;
- tess.fogNum = fogNum;
- tess.dlightBits = 0; // will be OR'd in by surface functions
- tess.pshadowBits = 0; // will be OR'd in by surface functions
- tess.xstages = state->stages;
- tess.numPasses = state->numUnfoggedPasses;
- tess.currentStageIteratorFunc = state->optimalStageIteratorFunc;
- tess.useInternalVBO = qtrue;
-
- tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
- if (tess.shader->clampTime && tess.shaderTime >= tess.shader->clampTime) {
- tess.shaderTime = tess.shader->clampTime;
- }
-
- if (backEnd.viewParms.flags & VPF_SHADOWMAP)
- {
- tess.currentStageIteratorFunc = RB_StageIteratorGeneric;
- }
-}
-
-
-
-extern float EvalWaveForm( const waveForm_t *wf );
-extern float EvalWaveFormClamped( const waveForm_t *wf );
-
-
-static void ComputeTexMatrix( shaderStage_t *pStage, int bundleNum, float *outmatrix)
-{
- int tm;
- float matrix[16], currentmatrix[16];
- textureBundle_t *bundle = &pStage->bundle[bundleNum];
-
- Matrix16Identity(outmatrix);
- Matrix16Identity(currentmatrix);
-
- for ( tm = 0; tm < bundle->numTexMods ; tm++ ) {
- switch ( bundle->texMods[tm].type )
- {
-
- case TMOD_NONE:
- tm = TR_MAX_TEXMODS; // break out of for loop
- break;
-
- case TMOD_TURBULENT:
- RB_CalcTurbulentTexMatrix( &bundle->texMods[tm].wave,
- matrix );
- outmatrix[12] = matrix[12];
- outmatrix[13] = matrix[13];
- Matrix16Copy(outmatrix, currentmatrix);
- break;
-
- case TMOD_ENTITY_TRANSLATE:
- RB_CalcScrollTexMatrix( backEnd.currentEntity->e.shaderTexCoord,
- matrix );
- Matrix16Multiply(matrix, currentmatrix, outmatrix);
- Matrix16Copy(outmatrix, currentmatrix);
- break;
-
- case TMOD_SCROLL:
- RB_CalcScrollTexMatrix( bundle->texMods[tm].scroll,
- matrix );
- Matrix16Multiply(matrix, currentmatrix, outmatrix);
- Matrix16Copy(outmatrix, currentmatrix);
- break;
-
- case TMOD_SCALE:
- RB_CalcScaleTexMatrix( bundle->texMods[tm].scale,
- matrix );
- Matrix16Multiply(matrix, currentmatrix, outmatrix);
- Matrix16Copy(outmatrix, currentmatrix);
- break;
-
- case TMOD_STRETCH:
- RB_CalcStretchTexMatrix( &bundle->texMods[tm].wave,
- matrix );
- Matrix16Multiply(matrix, currentmatrix, outmatrix);
- Matrix16Copy(outmatrix, currentmatrix);
- break;
-
- case TMOD_TRANSFORM:
- RB_CalcTransformTexMatrix( &bundle->texMods[tm],
- matrix );
- Matrix16Multiply(matrix, currentmatrix, outmatrix);
- Matrix16Copy(outmatrix, currentmatrix);
- break;
-
- case TMOD_ROTATE:
- RB_CalcRotateTexMatrix( bundle->texMods[tm].rotateSpeed,
- matrix );
- Matrix16Multiply(matrix, currentmatrix, outmatrix);
- Matrix16Copy(outmatrix, currentmatrix);
- break;
-
- default:
- ri.Error( ERR_DROP, "ERROR: unknown texmod '%d' in shader '%s'", bundle->texMods[tm].type, tess.shader->name );
- break;
- }
- }
-}
-
-
-static void ComputeDeformValues(int *deformGen, vec5_t deformParams)
-{
- // u_DeformGen
- *deformGen = DGEN_NONE;
- if(!ShaderRequiresCPUDeforms(tess.shader))
- {
- deformStage_t *ds;
-
- // only support the first one
- ds = &tess.shader->deforms[0];
-
- switch (ds->deformation)
- {
- case DEFORM_WAVE:
- *deformGen = ds->deformationWave.func;
-
- deformParams[0] = ds->deformationWave.base;
- deformParams[1] = ds->deformationWave.amplitude;
- deformParams[2] = ds->deformationWave.phase;
- deformParams[3] = ds->deformationWave.frequency;
- deformParams[4] = ds->deformationSpread;
- break;
-
- case DEFORM_BULGE:
- *deformGen = DGEN_BULGE;
-
- deformParams[0] = 0;
- deformParams[1] = ds->bulgeHeight; // amplitude
- deformParams[2] = ds->bulgeWidth; // phase
- deformParams[3] = ds->bulgeSpeed; // frequency
- deformParams[4] = 0;
- break;
-
- default:
- break;
- }
- }
-}
-
-
-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_SetUniformMatrix16(sp, DLIGHT_UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
-
- GLSL_SetUniformFloat(sp, DLIGHT_UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
-
- GLSL_SetUniformInt(sp, DLIGHT_UNIFORM_DEFORMGEN, deformGen);
- if (deformGen != DGEN_NONE)
- {
- GLSL_SetUniformFloat5(sp, DLIGHT_UNIFORM_DEFORMPARAMS, deformParams);
- GLSL_SetUniformFloat(sp, DLIGHT_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, DLIGHT_UNIFORM_COLOR, vector);
-
- vector[0] = origin[0];
- vector[1] = origin[1];
- vector[2] = origin[2];
- vector[3] = scale;
- GLSL_SetUniformVec4(sp, DLIGHT_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_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
- }
- else
- {
- R_DrawElementsVBO(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
- }
-
- backEnd.pc.c_totalIndexes += tess.numIndexes;
- backEnd.pc.c_dlightIndexes += tess.numIndexes;
- }
-}
-
-
-static void ComputeShaderColors( shaderStage_t *pStage, vec4_t baseColor, vec4_t vertColor )
-{
- //
- // rgbGen
- //
- switch ( pStage->rgbGen )
- {
- case CGEN_IDENTITY:
- baseColor[0] =
- baseColor[1] =
- baseColor[2] =
- baseColor[3] = 1.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 0.0f;
- break;
- case CGEN_IDENTITY_LIGHTING:
- baseColor[0] =
- baseColor[1] =
- baseColor[2] = tr.identityLight;
- baseColor[3] = 1.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 0.0f;
- break;
- case CGEN_EXACT_VERTEX:
- baseColor[0] =
- baseColor[1] =
- baseColor[2] =
- baseColor[3] = 0.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 1.0f;
- break;
- case CGEN_EXACT_VERTEX_LIT:
- baseColor[0] =
- baseColor[1] =
- baseColor[2] =
- baseColor[3] = 0.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 1.0f;
- break;
- case CGEN_CONST:
- baseColor[0] = pStage->constantColor[0] / 255.0f;
- baseColor[1] = pStage->constantColor[1] / 255.0f;
- baseColor[2] = pStage->constantColor[2] / 255.0f;
- baseColor[3] = pStage->constantColor[3] / 255.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 0.0f;
- break;
- case CGEN_VERTEX:
- baseColor[0] =
- baseColor[1] =
- baseColor[2] =
- baseColor[3] = 0.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] = tr.identityLight;
- vertColor[3] = 1.0f;
- break;
- case CGEN_VERTEX_LIT:
- baseColor[0] =
- baseColor[1] =
- baseColor[2] =
- baseColor[3] = 0.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = tr.identityLight;
- break;
- case CGEN_ONE_MINUS_VERTEX:
- baseColor[0] =
- baseColor[1] =
- baseColor[2] = tr.identityLight;
- baseColor[3] = 1.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] = -tr.identityLight;
- vertColor[3] = 0.0f;
- break;
- case CGEN_FOG:
- {
- fog_t *fog;
-
- fog = tr.world->fogs + tess.fogNum;
-
- baseColor[0] = ((unsigned char *)(&fog->colorInt))[0] / 255.0f;
- baseColor[1] = ((unsigned char *)(&fog->colorInt))[1] / 255.0f;
- baseColor[2] = ((unsigned char *)(&fog->colorInt))[2] / 255.0f;
- baseColor[3] = ((unsigned char *)(&fog->colorInt))[3] / 255.0f;
- }
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 0.0f;
- break;
- case CGEN_WAVEFORM:
- baseColor[0] =
- baseColor[1] =
- baseColor[2] = RB_CalcWaveColorSingle( &pStage->rgbWave );
- baseColor[3] = 1.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 0.0f;
- break;
- case CGEN_ENTITY:
- if (backEnd.currentEntity)
- {
- baseColor[0] = ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[0] / 255.0f;
- baseColor[1] = ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[1] / 255.0f;
- baseColor[2] = ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[2] / 255.0f;
- baseColor[3] = ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[3] / 255.0f;
- }
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 0.0f;
- break;
- case CGEN_ONE_MINUS_ENTITY:
- if (backEnd.currentEntity)
- {
- baseColor[0] = 1.0f - ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[0] / 255.0f;
- baseColor[1] = 1.0f - ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[1] / 255.0f;
- baseColor[2] = 1.0f - ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[2] / 255.0f;
- baseColor[3] = 1.0f - ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[3] / 255.0f;
- }
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 0.0f;
- break;
- case CGEN_LIGHTING_DIFFUSE:
- case CGEN_BAD:
- baseColor[0] =
- baseColor[1] =
- baseColor[2] =
- baseColor[3] = 1.0f;
-
- vertColor[0] =
- vertColor[1] =
- vertColor[2] =
- vertColor[3] = 0.0f;
- break;
- }
-
- //
- // alphaGen
- //
- switch ( pStage->alphaGen )
- {
- case AGEN_SKIP:
- break;
- case AGEN_IDENTITY:
- baseColor[3] = 1.0f;
- vertColor[3] = 0.0f;
- break;
- case AGEN_CONST:
- baseColor[3] = pStage->constantColor[3] / 255.0f;
- vertColor[3] = 0.0f;
- break;
- case AGEN_WAVEFORM:
- baseColor[3] = RB_CalcWaveAlphaSingle( &pStage->alphaWave );
- vertColor[3] = 0.0f;
- break;
- case AGEN_ENTITY:
- if (backEnd.currentEntity)
- {
- baseColor[3] = ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[3] / 255.0f;
- }
- vertColor[3] = 0.0f;
- break;
- case AGEN_ONE_MINUS_ENTITY:
- if (backEnd.currentEntity)
- {
- baseColor[3] = 1.0f - ((unsigned char *)backEnd.currentEntity->e.shaderRGBA)[3] / 255.0f;
- }
- vertColor[3] = 0.0f;
- break;
- case AGEN_VERTEX:
- baseColor[3] = 0.0f;
- vertColor[3] = 1.0f;
- break;
- case AGEN_ONE_MINUS_VERTEX:
- baseColor[3] = 1.0f;
- vertColor[3] = -1.0f;
- break;
- case AGEN_LIGHTING_SPECULAR:
- case AGEN_PORTAL:
- case AGEN_FRESNEL:
- // Done entirely in vertex program
- baseColor[3] = 1.0f;
- vertColor[3] = 0.0f;
- break;
- }
-
- // FIXME: find some way to implement this.
-#if 0
- // if in greyscale rendering mode turn all color values into greyscale.
- if(r_greyscale->integer)
- {
- int scale;
-
- for(i = 0; i < tess.numVertexes; i++)
- {
- scale = (tess.svars.colors[i][0] + tess.svars.colors[i][1] + tess.svars.colors[i][2]) / 3;
- tess.svars.colors[i][0] = tess.svars.colors[i][1] = tess.svars.colors[i][2] = scale;
- }
- }
-#endif
-}
-
-
-static void ComputeFogValues(vec4_t fogDistanceVector, vec4_t fogDepthVector, float *eyeT)
-{
- // from RB_CalcFogTexCoords()
- fog_t *fog;
- vec3_t local;
-
- if (!tess.fogNum)
- return;
-
- fog = tr.world->fogs + tess.fogNum;
-
- VectorSubtract( backEnd.or.origin, backEnd.viewParms.or.origin, local );
- fogDistanceVector[0] = -backEnd.or.modelMatrix[2];
- fogDistanceVector[1] = -backEnd.or.modelMatrix[6];
- fogDistanceVector[2] = -backEnd.or.modelMatrix[10];
- fogDistanceVector[3] = DotProduct( local, backEnd.viewParms.or.axis[0] );
-
- // scale the fog vectors based on the fog's thickness
- VectorScale4(fogDistanceVector, fog->tcScale, fogDistanceVector);
-
- // rotate the gradient vector for this orientation
- if ( fog->hasSurface ) {
- fogDepthVector[0] = fog->surface[0] * backEnd.or.axis[0][0] +
- fog->surface[1] * backEnd.or.axis[0][1] + fog->surface[2] * backEnd.or.axis[0][2];
- fogDepthVector[1] = fog->surface[0] * backEnd.or.axis[1][0] +
- fog->surface[1] * backEnd.or.axis[1][1] + fog->surface[2] * backEnd.or.axis[1][2];
- fogDepthVector[2] = fog->surface[0] * backEnd.or.axis[2][0] +
- fog->surface[1] * backEnd.or.axis[2][1] + fog->surface[2] * backEnd.or.axis[2][2];
- fogDepthVector[3] = -fog->surface[3] + DotProduct( backEnd.or.origin, fog->surface );
-
- *eyeT = DotProduct( backEnd.or.viewOrigin, fogDepthVector ) + fogDepthVector[3];
- } else {
- *eyeT = 1; // non-surface fog always has eye inside
- }
-}
-
-
-static void ComputeFogColorMask( shaderStage_t *pStage, vec4_t fogColorMask )
-{
- switch(pStage->adjustColorsForFog)
- {
- case ACFF_MODULATE_RGB:
- fogColorMask[0] =
- fogColorMask[1] =
- fogColorMask[2] = 1.0f;
- fogColorMask[3] = 0.0f;
- break;
- case ACFF_MODULATE_ALPHA:
- fogColorMask[0] =
- fogColorMask[1] =
- fogColorMask[2] = 0.0f;
- fogColorMask[3] = 1.0f;
- break;
- case ACFF_MODULATE_RGBA:
- fogColorMask[0] =
- fogColorMask[1] =
- fogColorMask[2] =
- fogColorMask[3] = 1.0f;
- break;
- default:
- fogColorMask[0] =
- fogColorMask[1] =
- fogColorMask[2] =
- fogColorMask[3] = 0.0f;
- break;
- }
-}
-
-
-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;
- matrix_t matrix;
-
- 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 | LIGHTDEF_USE_DELUXEMAP);
- index |= LIGHTDEF_USE_LIGHT_VECTOR;
-
- sp = &tr.lightallShader[index];
- }
-
- backEnd.pc.c_lightallDraws++;
-
- GLSL_BindProgram(sp);
-
- GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_VIEWORIGIN, backEnd.viewParms.or.origin);
-
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_DEFORMGEN, deformGen);
- if (deformGen != DGEN_NONE)
- {
- GLSL_SetUniformFloat5(sp, GENERIC_UNIFORM_DEFORMPARAMS, deformParams);
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_TIME, tess.shaderTime);
- }
-
- if ( input->fogNum ) {
- vec4_t fogColorMask;
-
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGDISTANCE, fogDistanceVector);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGDEPTH, fogDepthVector);
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_FOGEYET, eyeT);
-
- ComputeFogColorMask(pStage, fogColorMask);
-
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGCOLORMASK, fogColorMask);
- }
-
- {
- vec4_t baseColor;
- vec4_t vertColor;
-
- ComputeShaderColors(pStage, baseColor, vertColor);
-
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_BASECOLOR, baseColor);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_VERTCOLOR, vertColor);
- }
-
- if (pStage->alphaGen == AGEN_PORTAL)
- {
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_PORTALRANGE, tess.shader->portalRange);
- }
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_COLORGEN, pStage->rgbGen);
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_ALPHAGEN, pStage->alphaGen);
-
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_DIRECTEDLIGHT, dl->color);
-
- VectorSet(vector, 0, 0, 0);
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_AMBIENTLIGHT, vector);
-
- VectorCopy(dl->origin, vector);
- vector[3] = 1.0f;
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_LIGHTORIGIN, vector);
-
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_LIGHTRADIUS, radius);
-
- GLSL_SetUniformVec2(sp, GENERIC_UNIFORM_MATERIALINFO, pStage->materialInfo);
-
- // 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_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELMATRIX, backEnd.or.transformMatrix);
-
- if (pStage->bundle[TB_DIFFUSEMAP].image[0])
- R_BindAnimatedImageToTMU( &pStage->bundle[TB_DIFFUSEMAP], TB_DIFFUSEMAP);
-
- if (pStage->bundle[TB_NORMALMAP].image[0])
- R_BindAnimatedImageToTMU( &pStage->bundle[TB_NORMALMAP], TB_NORMALMAP);
-
- if (pStage->bundle[TB_SPECULARMAP].image[0])
- R_BindAnimatedImageToTMU( &pStage->bundle[TB_SPECULARMAP], TB_SPECULARMAP);
-
- if (r_dlightMode->integer >= 2)
- {
- GL_SelectTexture(TB_SHADOWMAP);
- GL_BindCubemap(tr.shadowCubemaps[l]);
- GL_SelectTexture(0);
- }
-
- ComputeTexMatrix( pStage, TB_DIFFUSEMAP, matrix );
-
- VectorSet4(vector, matrix[0], matrix[1], matrix[4], matrix[5]);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_DIFFUSETEXMATRIX, vector);
-
- VectorSet4(vector, matrix[8], matrix[9], matrix[12], matrix[13]);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_DIFFUSETEXOFFTURB, vector);
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_TCGEN0, pStage->bundle[0].tcGen);
-
- //
- // draw
- //
-
- if (input->multiDrawPrimitives)
- {
- R_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
- }
- else
- {
- R_DrawElementsVBO(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
- }
-
- backEnd.pc.c_totalIndexes += tess.numIndexes;
- backEnd.pc.c_dlightIndexes += tess.numIndexes;
- }
-}
-
-
-static void ForwardSunlight( void ) {
-// int l;
- //vec3_t origin;
- //float scale;
- int stage;
- int stageGlState[2];
- qboolean alphaOverride = qfalse;
-
- int deformGen;
- vec5_t deformParams;
-
- vec4_t fogDistanceVector, fogDepthVector = {0, 0, 0, 0};
- float eyeT = 0;
-
- shaderCommands_t *input = &tess;
-
- ComputeDeformValues(&deformGen, deformParams);
-
- ComputeFogValues(fogDistanceVector, fogDepthVector, &eyeT);
-
- // deal with vertex alpha blended surfaces
- if (input->xstages[0] && input->xstages[1] &&
- (input->xstages[1]->alphaGen == AGEN_VERTEX || input->xstages[1]->alphaGen == AGEN_ONE_MINUS_VERTEX))
- {
- stageGlState[0] = input->xstages[0]->stateBits & (GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS);
-
- if (stageGlState[0] == 0 || stageGlState[0] == (GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO))
- {
- stageGlState[1] = input->xstages[1]->stateBits & (GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS);
-
- if (stageGlState[1] == (GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA))
- {
- alphaOverride = qtrue;
- stageGlState[0] = GLS_SRCBLEND_ONE_MINUS_SRC_ALPHA | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL;
- stageGlState[1] = GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL;
- }
- else if (stageGlState[1] == (GLS_SRCBLEND_ONE_MINUS_SRC_ALPHA | GLS_DSTBLEND_SRC_ALPHA))
- {
- alphaOverride = qtrue;
- stageGlState[0] = GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL;
- stageGlState[1] = GLS_SRCBLEND_ONE_MINUS_SRC_ALPHA | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL;
- }
- }
- }
-
- if (!alphaOverride)
- {
- stageGlState[0] =
- stageGlState[1] = GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL;
- }
-
- for ( stage = 0; stage < 2 /*MAX_SHADER_STAGES */; stage++ )
- {
- shaderStage_t *pStage = input->xstages[stage];
- shaderProgram_t *sp;
- vec4_t vector;
- matrix_t matrix;
-
- if ( !pStage )
- {
- break;
- }
-
- //VectorCopy( dl->transformed, origin );
-
- //if (pStage->glslShaderGroup == tr.lightallShader)
- {
- int index = pStage->glslShaderIndex;
-
- index &= ~(LIGHTDEF_LIGHTTYPE_MASK | LIGHTDEF_USE_DELUXEMAP);
- index |= LIGHTDEF_USE_LIGHT_VECTOR | LIGHTDEF_USE_SHADOWMAP;
-
- if (backEnd.currentEntity && backEnd.currentEntity != &tr.worldEntity)
- {
- index |= LIGHTDEF_ENTITY;
- }
-
- sp = &tr.lightallShader[index];
- }
-
- backEnd.pc.c_lightallDraws++;
-
- GLSL_BindProgram(sp);
-
- GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_VIEWORIGIN, backEnd.viewParms.or.origin);
-
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_DEFORMGEN, deformGen);
- if (deformGen != DGEN_NONE)
- {
- GLSL_SetUniformFloat5(sp, GENERIC_UNIFORM_DEFORMPARAMS, deformParams);
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_TIME, tess.shaderTime);
- }
-
- if ( input->fogNum ) {
- vec4_t fogColorMask;
-
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGDISTANCE, fogDistanceVector);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGDEPTH, fogDepthVector);
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_FOGEYET, eyeT);
-
- ComputeFogColorMask(pStage, fogColorMask);
-
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGCOLORMASK, fogColorMask);
- }
-
- {
- vec4_t baseColor;
- vec4_t vertColor;
-
- ComputeShaderColors(pStage, baseColor, vertColor);
-
- if (alphaOverride)
- {
- if (input->xstages[1]->alphaGen == AGEN_VERTEX)
- {
- baseColor[3] = 0.0f;
- vertColor[3] = 1.0f;
- }
- else if (input->xstages[1]->alphaGen == AGEN_ONE_MINUS_VERTEX)
- {
- baseColor[3] = 1.0f;
- vertColor[3] = -1.0f;
- }
- }
-
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_BASECOLOR, baseColor);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_VERTCOLOR, vertColor);
- }
-
- if (pStage->alphaGen == AGEN_PORTAL)
- {
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_PORTALRANGE, tess.shader->portalRange);
- }
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_COLORGEN, pStage->rgbGen);
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_ALPHAGEN, pStage->alphaGen);
-
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_DIRECTEDLIGHT, backEnd.refdef.sunCol);
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_AMBIENTLIGHT, backEnd.refdef.sunAmbCol);
-
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_LIGHTORIGIN, backEnd.refdef.sunDir);
-
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_LIGHTRADIUS, 9999999999.9f);
-
- GLSL_SetUniformVec2(sp, GENERIC_UNIFORM_MATERIALINFO, pStage->materialInfo);
-
- GL_State( stageGlState[stage] );
-
- GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELMATRIX, backEnd.or.transformMatrix);
-
- if (pStage->bundle[TB_DIFFUSEMAP].image[0])
- R_BindAnimatedImageToTMU( &pStage->bundle[TB_DIFFUSEMAP], TB_DIFFUSEMAP);
-
- if (pStage->bundle[TB_NORMALMAP].image[0])
- R_BindAnimatedImageToTMU( &pStage->bundle[TB_NORMALMAP], TB_NORMALMAP);
-
- if (pStage->bundle[TB_SPECULARMAP].image[0])
- R_BindAnimatedImageToTMU( &pStage->bundle[TB_SPECULARMAP], TB_SPECULARMAP);
-
- /*
- {
- GL_BindToTMU(tr.sunShadowDepthImage[0], TB_SHADOWMAP);
- GL_BindToTMU(tr.sunShadowDepthImage[1], TB_SHADOWMAP2);
- GL_BindToTMU(tr.sunShadowDepthImage[2], TB_SHADOWMAP3);
- GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_SHADOWMVP, backEnd.refdef.sunShadowMvp[0]);
- GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_SHADOWMVP2, backEnd.refdef.sunShadowMvp[1]);
- GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_SHADOWMVP3, backEnd.refdef.sunShadowMvp[2]);
- }
- */
- GL_BindToTMU(tr.screenShadowImage, TB_SHADOWMAP);
-
- ComputeTexMatrix( pStage, TB_DIFFUSEMAP, matrix );
-
- VectorSet4(vector, matrix[0], matrix[1], matrix[4], matrix[5]);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_DIFFUSETEXMATRIX, vector);
-
- VectorSet4(vector, matrix[8], matrix[9], matrix[12], matrix[13]);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_DIFFUSETEXOFFTURB, vector);
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_TCGEN0, pStage->bundle[0].tcGen);
-
- //
- // draw
- //
-
- if (input->multiDrawPrimitives)
- {
- R_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
- }
- else
- {
- R_DrawElementsVBO(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
- }
-
- backEnd.pc.c_totalIndexes += tess.numIndexes;
- backEnd.pc.c_dlightIndexes += tess.numIndexes;
- }
-}
-
-
-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_SetUniformMatrix16(sp, PSHADOW_UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
-
- VectorCopy(origin, vector);
- vector[3] = 1.0f;
- GLSL_SetUniformVec4(sp, PSHADOW_UNIFORM_LIGHTORIGIN, vector);
-
- VectorScale(ps->lightViewAxis[0], 1.0f / ps->viewRadius, vector);
- GLSL_SetUniformVec3(sp, PSHADOW_UNIFORM_LIGHTFORWARD, vector);
-
- VectorScale(ps->lightViewAxis[1], 1.0f / ps->viewRadius, vector);
- GLSL_SetUniformVec3(sp, PSHADOW_UNIFORM_LIGHTRIGHT, vector);
-
- VectorScale(ps->lightViewAxis[2], 1.0f / ps->viewRadius, vector);
- GLSL_SetUniformVec3(sp, PSHADOW_UNIFORM_LIGHTUP, vector);
-
- GLSL_SetUniformFloat(sp, PSHADOW_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_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
- }
- else
- {
- R_DrawElementsVBO(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
- }
-
- backEnd.pc.c_totalIndexes += tess.numIndexes;
- //backEnd.pc.c_dlightIndexes += tess.numIndexes;
- }
-}
-
-
-
-/*
-===================
-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.vertexAttribsInterpolation)
- index |= FOGDEF_USE_VERTEX_ANIMATION;
-
- sp = &tr.fogShader[index];
- }
-
- backEnd.pc.c_fogDraws++;
-
- GLSL_BindProgram(sp);
-
- fog = tr.world->fogs + tess.fogNum;
-
- GLSL_SetUniformMatrix16(sp, FOGPASS_UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
-
- GLSL_SetUniformFloat(sp, FOGPASS_UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
-
- GLSL_SetUniformInt(sp, FOGPASS_UNIFORM_DEFORMGEN, deformGen);
- if (deformGen != DGEN_NONE)
- {
- GLSL_SetUniformFloat5(sp, FOGPASS_UNIFORM_DEFORMPARAMS, deformParams);
- GLSL_SetUniformFloat(sp, FOGPASS_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, FOGPASS_UNIFORM_COLOR, color);
-
- ComputeFogValues(fogDistanceVector, fogDepthVector, &eyeT);
-
- GLSL_SetUniformVec4(sp, FOGPASS_UNIFORM_FOGDISTANCE, fogDistanceVector);
- GLSL_SetUniformVec4(sp, FOGPASS_UNIFORM_FOGDEPTH, fogDepthVector);
- GLSL_SetUniformFloat(sp, FOGPASS_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_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
- }
- else
- {
- R_DrawElementsVBO(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
- }
-}
-
-
-static unsigned int RB_CalcShaderVertexAttribs( shaderCommands_t *input )
-{
- unsigned int vertexAttribs = input->shader->vertexAttribs;
-
- if(glState.vertexAttribsInterpolation > 0.0f)
- {
- vertexAttribs |= ATTR_POSITION2;
- if (vertexAttribs & ATTR_NORMAL)
- {
- vertexAttribs |= ATTR_NORMAL2;
-#ifdef USE_VERT_TANGENT_SPACE
- vertexAttribs |= ATTR_TANGENT2;
- vertexAttribs |= ATTR_BITANGENT2;
-#endif
- }
- }
-
- return vertexAttribs;
-}
-
-static void RB_IterateStagesGeneric( shaderCommands_t *input )
-{
- int stage;
- matrix_t matrix;
-
- 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;
-
- if ( !pStage )
- {
- break;
- }
-
- if (backEnd.depthFill)
- {
- if (pStage->glslShaderGroup)
- {
- 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.vertexAttribsInterpolation > 0.0f && backEnd.currentEntity && backEnd.currentEntity != &tr.worldEntity)
- {
- 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)
- {
- int index = pStage->glslShaderIndex;
-
- if (backEnd.currentEntity && backEnd.currentEntity != &tr.worldEntity)
- {
- index |= LIGHTDEF_ENTITY;
- }
-
- if (r_lightmap->integer && index & LIGHTDEF_USE_LIGHTMAP)
- {
- index = LIGHTDEF_USE_LIGHTMAP;
- }
-
- sp = &pStage->glslShaderGroup[index];
-
- if (pStage->glslShaderGroup == tr.lightallShader)
- {
- backEnd.pc.c_lightallDraws++;
- }
- }
- else
- {
- sp = GLSL_GetGenericShaderProgram(stage);
-
- backEnd.pc.c_genericDraws++;
- }
-
- GLSL_BindProgram(sp);
-
- GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_VIEWORIGIN, backEnd.viewParms.or.origin);
-
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_DEFORMGEN, deformGen);
- if (deformGen != DGEN_NONE)
- {
- GLSL_SetUniformFloat5(sp, GENERIC_UNIFORM_DEFORMPARAMS, deformParams);
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_TIME, tess.shaderTime);
- }
-
- if ( input->fogNum ) {
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGDISTANCE, fogDistanceVector);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGDEPTH, fogDepthVector);
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_FOGEYET, eyeT);
- }
-
- GL_State( pStage->stateBits );
-
- {
- vec4_t baseColor;
- vec4_t vertColor;
- qboolean tint = qtrue;
- int stage2;
-
- ComputeShaderColors(pStage, baseColor, vertColor);
-
- for ( stage2 = stage + 1; stage2 < MAX_SHADER_STAGES; stage2++ )
- {
- shaderStage_t *pStage2 = input->xstages[stage2];
- unsigned int srcBlendBits;
- //unsigned int dstBlendBits;
-
- if ( !pStage2 )
- {
- break;
- }
-
- srcBlendBits = pStage2->stateBits & GLS_SRCBLEND_BITS;
- //dstBlendBits = pStage2->stateBits & GLS_DSTBLEND_BITS;
-
- if (srcBlendBits == GLS_SRCBLEND_DST_COLOR)
- {
- tint = qfalse;
- break;
- }
- }
-
- if (!((tr.sunShadows || r_forceSun->integer) && tess.shader->sort <= SS_OPAQUE
- && !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) && tess.xstages[0]->glslShaderGroup == tr.lightallShader))
- {
- tint = qfalse;
- }
-
- if (tint)
- {
- // 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, GENERIC_UNIFORM_BASECOLOR, baseColor);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_VERTCOLOR, vertColor);
- }
-
- if (pStage->rgbGen == CGEN_LIGHTING_DIFFUSE)
- {
- vec4_t vec;
-
- VectorScale(backEnd.currentEntity->ambientLight, 1.0f / 255.0f, vec);
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_AMBIENTLIGHT, vec);
-
- VectorScale(backEnd.currentEntity->directedLight, 1.0f / 255.0f, vec);
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_DIRECTEDLIGHT, vec);
-
- VectorCopy(backEnd.currentEntity->lightDir, vec);
- vec[3] = 0.0f;
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_LIGHTORIGIN, vec);
-
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_LIGHTRADIUS, 999999.0f);
- }
-
- if (pStage->alphaGen == AGEN_PORTAL)
- {
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_PORTALRANGE, tess.shader->portalRange);
- }
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_COLORGEN, pStage->rgbGen);
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_ALPHAGEN, pStage->alphaGen);
-
- if ( input->fogNum )
- {
- vec4_t fogColorMask;
-
- ComputeFogColorMask(pStage, fogColorMask);
-
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGCOLORMASK, fogColorMask);
- }
-
- ComputeTexMatrix( pStage, TB_DIFFUSEMAP, matrix );
-
- {
- vec4_t vector;
- VectorSet4(vector, matrix[0], matrix[1], matrix[4], matrix[5]);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_DIFFUSETEXMATRIX, vector);
-
- VectorSet4(vector, matrix[8], matrix[9], matrix[12], matrix[13]);
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_DIFFUSETEXOFFTURB, vector);
- }
-
- GLSL_SetUniformInt(sp, GENERIC_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, GENERIC_UNIFORM_TCGEN0VECTOR0, vec);
- VectorCopy(pStage->bundle[0].tcGenVectors[1], vec);
- GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_TCGEN0VECTOR1, vec);
- }
-
- GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELMATRIX, backEnd.or.transformMatrix);
-
- GLSL_SetUniformVec2(sp, GENERIC_UNIFORM_MATERIALINFO, pStage->materialInfo);
-
- //GLSL_SetUniformFloat(sp, GENERIC_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 )
- {
- int i;
-
- 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[i], i);
- }
- else if (pStage->bundle[i].image[0])
- {
- 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 if (pStage->bundle[i].image[0])
- {
- GL_BindToTMU( tr.whiteImage, i);
- }
- }
- }
- else
- {
- for (i = 0; i < NUM_TEXTURE_BUNDLES; i++)
- {
- if (pStage->bundle[i].image[0])
- {
- R_BindAnimatedImageToTMU( &pStage->bundle[i], i);
- }
- }
- }
- }
- else if ( pStage->bundle[1].image[0] != 0 )
- {
- R_BindAnimatedImageToTMU( &pStage->bundle[0], 0 );
-
- //
- // lightmap/secondary pass
- //
- if ( r_lightmap->integer ) {
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_TEXTURE1ENV, GL_REPLACE);
- } else {
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_TEXTURE1ENV, tess.shader->multitextureEnv);
- }
-
- R_BindAnimatedImageToTMU( &pStage->bundle[1], 1 );
- }
- else
- {
- //
- // set state
- //
- if ( pStage->bundle[0].vertexLightmap && ( (r_vertexLight->integer && !r_uiFullScreen->integer) || glConfig.hardwareType == GLHW_PERMEDIA2 ) && r_lightmap->integer )
- {
- GL_BindToTMU( tr.whiteImage, 0 );
- }
- else
- R_BindAnimatedImageToTMU( &pStage->bundle[0], 0 );
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_TEXTURE1ENV, 0);
- }
-
- //
- // draw
- //
- if (input->multiDrawPrimitives)
- {
- R_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
- }
- else
- {
- R_DrawElementsVBO(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 || pStage->bundle[0].vertexLightmap ) )
- {
- break;
- }
-
- if (backEnd.depthFill)
- break;
- }
-}
-
-
-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_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
-
- GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELMATRIX, backEnd.or.transformMatrix);
-
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
-
- GLSL_SetUniformInt(sp, GENERIC_UNIFORM_DEFORMGEN, deformGen);
- if (deformGen != DGEN_NONE)
- {
- GLSL_SetUniformFloat5(sp, GENERIC_UNIFORM_DEFORMPARAMS, deformParams);
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_TIME, tess.shaderTime);
- }
-
- VectorCopy(backEnd.viewParms.or.origin, vector);
- vector[3] = 1.0f;
- GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_LIGHTORIGIN, vector);
- GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_LIGHTRADIUS, backEnd.viewParms.zFar);
-
- GL_State( 0 );
-
- //
- // do multitexture
- //
- //if ( pStage->glslShaderGroup )
- {
- //
- // draw
- //
-
- if (input->multiDrawPrimitives)
- {
- R_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
- }
- else
- {
- R_DrawElementsVBO(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
- }
- }
- }
-}
-
-
-
-/*
-** RB_StageIteratorGeneric
-*/
-void RB_StageIteratorGeneric( void )
-{
- shaderCommands_t *input;
- unsigned int vertexAttribs = 0;
-
- input = &tess;
-
- if (!input->numVertexes || !input->numIndexes)
- {
- return;
- }
-
- if (tess.useInternalVBO)
- {
- RB_DeformTessGeometry();
- }
-
- vertexAttribs = RB_CalcShaderVertexAttribs( input );
-
- if (tess.useInternalVBO)
- {
- RB_UpdateVBOs(vertexAttribs);
- }
- else
- {
- backEnd.pc.c_staticVboDraws++;
- }
-
- //
- // log this call
- //
- if ( r_logFile->integer )
- {
- // don't just call LogComment, or we will get
- // a call to va() every frame!
- GLimp_LogComment( va("--- RB_StageIteratorGeneric( %s ) ---\n", tess.shader->name) );
- }
-
- //
- // set face culling appropriately
- //
- if ((backEnd.viewParms.flags & VPF_DEPTHSHADOW))
- {
- //GL_Cull( CT_TWO_SIDED );
-
- if (input->shader->cullType == CT_TWO_SIDED)
- GL_Cull( CT_TWO_SIDED );
- else if (input->shader->cullType == CT_FRONT_SIDED)
- GL_Cull( CT_BACK_SIDED );
- else
- GL_Cull( CT_FRONT_SIDED );
-
- }
- else
- GL_Cull( input->shader->cullType );
-
- // set polygon offset if necessary
- if ( input->shader->polygonOffset )
- {
- qglEnable( GL_POLYGON_OFFSET_FILL );
- qglPolygonOffset( r_offsetFactor->value, r_offsetUnits->value );
- }
-
- //
- // Set vertex attribs and pointers
- //
- GLSL_VertexAttribsState(vertexAttribs);
-
- //
- // render depth if in depthfill mode
- //
- if (backEnd.depthFill)
- {
- RB_IterateStagesGeneric( input );
-
- //
- // reset polygon offset
- //
- if ( input->shader->polygonOffset )
- {
- qglDisable( GL_POLYGON_OFFSET_FILL );
- }
-
- return;
- }
-
- //
- // render shadowmap if in shadowmap mode
- //
- if (backEnd.viewParms.flags & VPF_SHADOWMAP)
- {
- if ( input->shader->sort == SS_OPAQUE )
- {
- RB_RenderShadowmap( input );
- }
- //
- // reset polygon offset
- //
- if ( input->shader->polygonOffset )
- {
- qglDisable( GL_POLYGON_OFFSET_FILL );
- }
-
- return;
- }
-
- //
- //
- // call shader function
- //
- RB_IterateStagesGeneric( input );
-
- //
- // pshadows!
- //
- if (glRefConfig.framebufferObject && tess.pshadowBits && tess.shader->sort <= SS_OPAQUE
- && !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
- ProjectPshadowVBOGLSL();
- }
-
-
- //
- // now do any dynamic lighting needed
- //
- if ( tess.dlightBits && tess.shader->sort <= SS_OPAQUE
- && !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
- if (tess.shader->numUnfoggedPasses == 1 && tess.xstages[0]->glslShaderGroup == tr.lightallShader
- && (tess.xstages[0]->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK) && r_dlightMode->integer)
- {
- ForwardDlight();
- }
- else
- {
- ProjectDlightTexture();
- }
- }
-
- if ((backEnd.viewParms.flags & VPF_USESUNLIGHT) && tess.shader->sort <= SS_OPAQUE
- //if ((tr.sunShadows || r_forceSunlight->value > 0.0f) && tess.shader->sort <= SS_OPAQUE
- && !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) && tess.xstages[0]->glslShaderGroup == tr.lightallShader) {
- ForwardSunlight();
- }
-
- //
- // now do fog
- //
- if ( tess.fogNum && tess.shader->fogPass ) {
- RB_FogPass();
- }
-
- //
- // reset polygon offset
- //
- if ( input->shader->polygonOffset )
- {
- qglDisable( GL_POLYGON_OFFSET_FILL );
- }
-}
-
-
-/*
-** RB_EndSurface
-*/
-void RB_EndSurface( void ) {
- shaderCommands_t *input;
-
- input = &tess;
-
- if (input->numIndexes == 0 || input->numVertexes == 0) {
- return;
- }
-
- if (input->indexes[SHADER_MAX_INDEXES-1] != 0) {
- ri.Error (ERR_DROP, "RB_EndSurface() - SHADER_MAX_INDEXES hit");
- }
- if (input->xyz[SHADER_MAX_VERTEXES-1][0] != 0) {
- ri.Error (ERR_DROP, "RB_EndSurface() - SHADER_MAX_VERTEXES hit");
- }
-
- if ( tess.shader == tr.shadowShader ) {
- RB_ShadowTessEnd();
- return;
- }
-
- // for debugging of sort order issues, stop rendering after a given sort value
- if ( r_debugSort->integer && r_debugSort->integer < tess.shader->sort ) {
- return;
- }
-
- //
- // update performance counters
- //
- backEnd.pc.c_shaders++;
- backEnd.pc.c_vertexes += tess.numVertexes;
- backEnd.pc.c_indexes += tess.numIndexes;
- backEnd.pc.c_totalIndexes += tess.numIndexes * tess.numPasses;
-
- //
- // call off to shader specific tess end function
- //
- tess.currentStageIteratorFunc();
-
- //
- // draw debugging stuff
- //
- if ( r_showtris->integer ) {
- DrawTris (input);
- }
- if ( r_shownormals->integer ) {
- DrawNormals (input);
- }
- // clear shader so we can tell we don't have any unclosed surfaces
- tess.numIndexes = 0;
- tess.numVertexes = 0;
- tess.firstIndex = 0;
- tess.multiDrawPrimitives = 0;
-
- GLimp_LogComment( "----------\n" );
-}