/*
* R_RenderMeshGLSL_Distortion
*/
static void R_RenderMeshGLSL_Distortion( r_glslfeat_t programFeatures )
{
int i, last_slot;
unsigned last_framenum;
int state, tcgen;
int width = 1, height = 1;
int program, object;
mat4x4_t unused;
cplane_t plane;
const char *key;
shaderpass_t *pass = r_back.accumPasses[0];
image_t *portaltexture[2];
qboolean frontPlane;
PlaneFromPoints( r_back.r_triangle0Copy, &plane );
plane.dist += DotProduct( ri.currententity->origin, plane.normal );
key = R_PortalKeyForPlane( &plane );
last_framenum = last_slot = 0;
for( i = 0; i < 2; i++ )
{
int slot;
portaltexture[i] = NULL;
slot = R_FindPortalTextureSlot( key, i+1 );
if( slot )
portaltexture[i] = r_portaltextures[slot-1];
if( portaltexture[i] == NULL )
{
portaltexture[i] = r_blacktexture;
}
else
{
width = portaltexture[i]->upload_width;
height = portaltexture[i]->upload_height;
}
// find the most recently updated texture
if( portaltexture[i]->framenum > last_framenum )
{
last_slot = i;
last_framenum = i;
}
}
// if textures were not updated sequentially, use the most recent one
// and reset the remaining to black
if( portaltexture[0]->framenum+1 != portaltexture[1]->framenum )
portaltexture[(last_slot+1)&1] = r_blacktexture;
if( pass->anim_frames[0] != r_blankbumptexture )
programFeatures |= GLSL_DISTORTION_APPLY_DUDV;
if( ri.params & RP_CLIPPLANE )
programFeatures |= GLSL_COMMON_APPLY_CLIPPING;
if( pass->flags & SHADERPASS_GRAYSCALE )
programFeatures |= GLSL_COMMON_APPLY_GRAYSCALE;
if( portaltexture[0] != r_blacktexture )
programFeatures |= GLSL_DISTORTION_APPLY_REFLECTION;
if( portaltexture[1] != r_blacktexture )
programFeatures |= GLSL_DISTORTION_APPLY_REFRACTION;
frontPlane = (PlaneDiff( ri.viewOrigin, &ri.portalPlane ) > 0 ? qtrue : qfalse);
if( frontPlane )
{
if( pass->alphagen.type != ALPHA_GEN_IDENTITY )
programFeatures |= GLSL_DISTORTION_APPLY_DISTORTION_ALPHA;
}
tcgen = pass->tcgen; // store the original tcgen
R_BindShaderpass( pass, pass->anim_frames[0], 0, NULL ); // dudvmap
// calculate the fragment color
R_ModifyColor( pass, programFeatures & GLSL_DISTORTION_APPLY_DISTORTION_ALPHA ? qtrue : qfalse, qfalse );
GL_TexEnv( GL_MODULATE );
// set shaderpass state (blending, depthwrite, etc)
state = r_back.currentShaderState | ( pass->flags & r_back.currentShaderPassMask ) | GLSTATE_BLEND_MTEX;
GL_SetState( state );
if( pass->anim_frames[1] )
{ // eyeDot
programFeatures |= GLSL_DISTORTION_APPLY_EYEDOT;
pass->tcgen = TC_GEN_SVECTORS;
GL_Bind( 1, pass->anim_frames[1] ); // normalmap
GL_SetTexCoordArrayMode( GL_TEXTURE_COORD_ARRAY );
R_VertexTCBase( pass, 1, unused, NULL );
}
GL_Bind( 2, portaltexture[0] ); // reflection
GL_Bind( 3, portaltexture[1] ); // refraction
pass->tcgen = tcgen; // restore original tcgen
// update uniforms
program = R_RegisterGLSLProgram( pass->program_type, pass->program, NULL, NULL, NULL, 0, programFeatures );
object = R_GetProgramObject( program );
if( object )
{
qglUseProgramObjectARB( object );
R_UpdateProgramUniforms( program, ri.viewOrigin, vec3_origin, vec3_origin, NULL, NULL, NULL,
frontPlane, width, height, 0, 0, 0,
colorArrayCopy[0], r_back.overBrightBits, r_back.currentShaderTime, r_back.entityColor );
R_FlushArrays();
qglUseProgramObjectARB( 0 );
}
}
void GLSL_InitGPUShaders(void)
{
int startTime, endTime;
int i;
char extradefines[1024];
int attribs;
int numGenShaders = 0, numLightShaders = 0, numEtcShaders = 0;
ri.Printf(PRINT_ALL, "------- GLSL_InitGPUShaders -------\n");
R_IssuePendingRenderCommands();
startTime = ri.Milliseconds();
for (i = 0; i < GENERICDEF_COUNT; i++)
{
attribs = ATTR_POSITION | ATTR_TEXCOORD | ATTR_LIGHTCOORD | ATTR_NORMAL | ATTR_COLOR;
extradefines[0] = '\0';
if (i & GENERICDEF_USE_DEFORM_VERTEXES)
Q_strcat(extradefines, 1024, "#define USE_DEFORM_VERTEXES\n");
if (i & GENERICDEF_USE_TCGEN_AND_TCMOD)
{
Q_strcat(extradefines, 1024, "#define USE_TCGEN\n");
Q_strcat(extradefines, 1024, "#define USE_TCMOD\n");
}
if (i & GENERICDEF_USE_VERTEX_ANIMATION)
{
Q_strcat(extradefines, 1024, "#define USE_VERTEX_ANIMATION\n");
attribs |= ATTR_POSITION2 | ATTR_NORMAL2;
}
if (i & GENERICDEF_USE_FOG)
Q_strcat(extradefines, 1024, "#define USE_FOG\n");
if (i & GENERICDEF_USE_RGBAGEN)
Q_strcat(extradefines, 1024, "#define USE_RGBAGEN\n");
if (!GLSL_InitGPUShader(&tr.genericShader[i], "generic", attribs, qtrue, extradefines, qtrue, fallbackShader_generic_vp, fallbackShader_generic_fp))
{
ri.Error(ERR_FATAL, "Could not load generic shader!");
}
GLSL_InitUniforms(&tr.genericShader[i]);
qglUseProgramObjectARB(tr.genericShader[i].program);
GLSL_SetUniformInt(&tr.genericShader[i], UNIFORM_DIFFUSEMAP, TB_DIFFUSEMAP);
GLSL_SetUniformInt(&tr.genericShader[i], UNIFORM_LIGHTMAP, TB_LIGHTMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.genericShader[i]);
numGenShaders++;
}
attribs = ATTR_POSITION | ATTR_TEXCOORD;
if (!GLSL_InitGPUShader(&tr.textureColorShader, "texturecolor", attribs, qtrue, NULL, qfalse, fallbackShader_texturecolor_vp, fallbackShader_texturecolor_fp))
{
ri.Error(ERR_FATAL, "Could not load texturecolor shader!");
}
GLSL_InitUniforms(&tr.textureColorShader);
qglUseProgramObjectARB(tr.textureColorShader.program);
GLSL_SetUniformInt(&tr.textureColorShader, UNIFORM_TEXTUREMAP, TB_DIFFUSEMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.textureColorShader);
numEtcShaders++;
for (i = 0; i < FOGDEF_COUNT; i++)
{
attribs = ATTR_POSITION | ATTR_POSITION2 | ATTR_NORMAL | ATTR_NORMAL2 | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (i & FOGDEF_USE_DEFORM_VERTEXES)
Q_strcat(extradefines, 1024, "#define USE_DEFORM_VERTEXES\n");
if (i & FOGDEF_USE_VERTEX_ANIMATION)
Q_strcat(extradefines, 1024, "#define USE_VERTEX_ANIMATION\n");
if (!GLSL_InitGPUShader(&tr.fogShader[i], "fogpass", attribs, qtrue, extradefines, qtrue, fallbackShader_fogpass_vp, fallbackShader_fogpass_fp))
{
ri.Error(ERR_FATAL, "Could not load fogpass shader!");
}
GLSL_InitUniforms(&tr.fogShader[i]);
GLSL_FinishGPUShader(&tr.fogShader[i]);
numEtcShaders++;
}
for (i = 0; i < DLIGHTDEF_COUNT; i++)
{
attribs = ATTR_POSITION | ATTR_NORMAL | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (i & DLIGHTDEF_USE_DEFORM_VERTEXES)
{
Q_strcat(extradefines, 1024, "#define USE_DEFORM_VERTEXES\n");
}
if (!GLSL_InitGPUShader(&tr.dlightShader[i], "dlight", attribs, qtrue, extradefines, qtrue, fallbackShader_dlight_vp, fallbackShader_dlight_fp))
{
ri.Error(ERR_FATAL, "Could not load dlight shader!");
}
GLSL_InitUniforms(&tr.dlightShader[i]);
qglUseProgramObjectARB(tr.dlightShader[i].program);
GLSL_SetUniformInt(&tr.dlightShader[i], UNIFORM_DIFFUSEMAP, TB_DIFFUSEMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.dlightShader[i]);
numEtcShaders++;
}
for (i = 0; i < LIGHTDEF_COUNT; i++)
{
int lightType = i & LIGHTDEF_LIGHTTYPE_MASK;
qboolean fastLight = !(r_normalMapping->integer || r_specularMapping->integer);
// skip impossible combos
if ((i & LIGHTDEF_USE_PARALLAXMAP) && !r_parallaxMapping->integer)
continue;
if (!lightType && (i & LIGHTDEF_USE_PARALLAXMAP))
continue;
if (!lightType && (i & LIGHTDEF_USE_SHADOWMAP))
continue;
attribs = ATTR_POSITION | ATTR_TEXCOORD | ATTR_COLOR | ATTR_NORMAL;
extradefines[0] = '\0';
if (r_deluxeSpecular->value > 0.000001f)
Q_strcat(extradefines, 1024, va("#define r_deluxeSpecular %f\n", r_deluxeSpecular->value));
if (r_specularIsMetallic->value)
Q_strcat(extradefines, 1024, "#define SPECULAR_IS_METALLIC\n");
if (r_dlightMode->integer >= 2)
Q_strcat(extradefines, 1024, "#define USE_SHADOWMAP\n");
if (1)
Q_strcat(extradefines, 1024, "#define SWIZZLE_NORMALMAP\n");
if (r_hdr->integer && !glRefConfig.floatLightmap)
Q_strcat(extradefines, 1024, "#define RGBM_LIGHTMAP\n");
if (lightType)
{
Q_strcat(extradefines, 1024, "#define USE_LIGHT\n");
if (fastLight)
Q_strcat(extradefines, 1024, "#define USE_FAST_LIGHT\n");
switch (lightType)
{
case LIGHTDEF_USE_LIGHTMAP:
Q_strcat(extradefines, 1024, "#define USE_LIGHTMAP\n");
if (r_deluxeMapping->integer && !fastLight)
Q_strcat(extradefines, 1024, "#define USE_DELUXEMAP\n");
attribs |= ATTR_LIGHTCOORD | ATTR_LIGHTDIRECTION;
break;
case LIGHTDEF_USE_LIGHT_VECTOR:
Q_strcat(extradefines, 1024, "#define USE_LIGHT_VECTOR\n");
break;
case LIGHTDEF_USE_LIGHT_VERTEX:
Q_strcat(extradefines, 1024, "#define USE_LIGHT_VERTEX\n");
attribs |= ATTR_LIGHTDIRECTION;
break;
default:
break;
}
if (r_normalMapping->integer)
{
Q_strcat(extradefines, 1024, "#define USE_NORMALMAP\n");
if (r_normalMapping->integer == 2)
Q_strcat(extradefines, 1024, "#define USE_OREN_NAYAR\n");
if (r_normalMapping->integer == 3)
Q_strcat(extradefines, 1024, "#define USE_TRIACE_OREN_NAYAR\n");
#ifdef USE_VERT_TANGENT_SPACE
Q_strcat(extradefines, 1024, "#define USE_VERT_TANGENT_SPACE\n");
attribs |= ATTR_TANGENT;
#endif
if ((i & LIGHTDEF_USE_PARALLAXMAP) && !(i & LIGHTDEF_ENTITY) && r_parallaxMapping->integer)
{
Q_strcat(extradefines, 1024, "#define USE_PARALLAXMAP\n");
if (r_parallaxMapping->integer > 1)
Q_strcat(extradefines, 1024, "#define USE_RELIEFMAP\n");
}
}
if (r_specularMapping->integer)
{
Q_strcat(extradefines, 1024, "#define USE_SPECULARMAP\n");
switch (r_specularMapping->integer)
{
case 1:
default:
Q_strcat(extradefines, 1024, "#define USE_BLINN\n");
break;
case 2:
Q_strcat(extradefines, 1024, "#define USE_BLINN_FRESNEL\n");
break;
case 3:
Q_strcat(extradefines, 1024, "#define USE_MCAULEY\n");
break;
case 4:
Q_strcat(extradefines, 1024, "#define USE_GOTANDA\n");
break;
case 5:
Q_strcat(extradefines, 1024, "#define USE_LAZAROV\n");
break;
}
}
if (r_cubeMapping->integer)
Q_strcat(extradefines, 1024, "#define USE_CUBEMAP\n");
}
if (i & LIGHTDEF_USE_SHADOWMAP)
{
Q_strcat(extradefines, 1024, "#define USE_SHADOWMAP\n");
if (r_sunlightMode->integer == 1)
Q_strcat(extradefines, 1024, "#define SHADOWMAP_MODULATE\n");
else if (r_sunlightMode->integer == 2)
Q_strcat(extradefines, 1024, "#define USE_PRIMARY_LIGHT\n");
}
if (i & LIGHTDEF_USE_TCGEN_AND_TCMOD)
{
Q_strcat(extradefines, 1024, "#define USE_TCGEN\n");
Q_strcat(extradefines, 1024, "#define USE_TCMOD\n");
}
if (i & LIGHTDEF_ENTITY)
{
Q_strcat(extradefines, 1024, "#define USE_VERTEX_ANIMATION\n#define USE_MODELMATRIX\n");
attribs |= ATTR_POSITION2 | ATTR_NORMAL2;
#ifdef USE_VERT_TANGENT_SPACE
if (r_normalMapping->integer)
{
attribs |= ATTR_TANGENT2;
}
#endif
}
if (!GLSL_InitGPUShader(&tr.lightallShader[i], "lightall", attribs, qtrue, extradefines, qtrue, fallbackShader_lightall_vp, fallbackShader_lightall_fp))
{
ri.Error(ERR_FATAL, "Could not load lightall shader!");
}
GLSL_InitUniforms(&tr.lightallShader[i]);
qglUseProgramObjectARB(tr.lightallShader[i].program);
GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_DIFFUSEMAP, TB_DIFFUSEMAP);
GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_LIGHTMAP, TB_LIGHTMAP);
GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_NORMALMAP, TB_NORMALMAP);
GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_DELUXEMAP, TB_DELUXEMAP);
GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_SPECULARMAP, TB_SPECULARMAP);
GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_SHADOWMAP, TB_SHADOWMAP);
GLSL_SetUniformInt(&tr.lightallShader[i], UNIFORM_CUBEMAP, TB_CUBEMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.lightallShader[i]);
numLightShaders++;
}
attribs = ATTR_POSITION | ATTR_POSITION2 | ATTR_NORMAL | ATTR_NORMAL2 | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (!GLSL_InitGPUShader(&tr.shadowmapShader, "shadowfill", attribs, qtrue, extradefines, qtrue, fallbackShader_shadowfill_vp, fallbackShader_shadowfill_fp))
{
ri.Error(ERR_FATAL, "Could not load shadowfill shader!");
}
GLSL_InitUniforms(&tr.shadowmapShader);
GLSL_FinishGPUShader(&tr.shadowmapShader);
numEtcShaders++;
attribs = ATTR_POSITION | ATTR_NORMAL;
extradefines[0] = '\0';
#ifndef EMSCRIPTEN
Q_strcat(extradefines, 1024, "#define USE_PCF\n#define USE_DISCARD\n");
if (!GLSL_InitGPUShader(&tr.pshadowShader, "pshadow", attribs, qtrue, extradefines, qtrue, fallbackShader_pshadow_vp, fallbackShader_pshadow_fp))
{
ri.Error(ERR_FATAL, "Could not load pshadow shader!");
}
GLSL_InitUniforms(&tr.pshadowShader);
qglUseProgramObjectARB(tr.pshadowShader.program);
GLSL_SetUniformInt(&tr.pshadowShader, UNIFORM_SHADOWMAP, TB_DIFFUSEMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.pshadowShader);
numEtcShaders++;
attribs = ATTR_POSITION | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (!GLSL_InitGPUShader(&tr.down4xShader, "down4x", attribs, qtrue, extradefines, qtrue, fallbackShader_down4x_vp, fallbackShader_down4x_fp))
{
ri.Error(ERR_FATAL, "Could not load down4x shader!");
}
GLSL_InitUniforms(&tr.down4xShader);
qglUseProgramObjectARB(tr.down4xShader.program);
GLSL_SetUniformInt(&tr.down4xShader, UNIFORM_TEXTUREMAP, TB_DIFFUSEMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.down4xShader);
numEtcShaders++;
attribs = ATTR_POSITION | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (!GLSL_InitGPUShader(&tr.bokehShader, "bokeh", attribs, qtrue, extradefines, qtrue, fallbackShader_bokeh_vp, fallbackShader_bokeh_fp))
{
ri.Error(ERR_FATAL, "Could not load bokeh shader!");
}
GLSL_InitUniforms(&tr.bokehShader);
qglUseProgramObjectARB(tr.bokehShader.program);
GLSL_SetUniformInt(&tr.bokehShader, UNIFORM_TEXTUREMAP, TB_DIFFUSEMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.bokehShader);
numEtcShaders++;
attribs = ATTR_POSITION | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (!GLSL_InitGPUShader(&tr.tonemapShader, "tonemap", attribs, qtrue, extradefines, qtrue, fallbackShader_tonemap_vp, fallbackShader_tonemap_fp))
{
ri.Error(ERR_FATAL, "Could not load tonemap shader!");
}
GLSL_InitUniforms(&tr.tonemapShader);
qglUseProgramObjectARB(tr.tonemapShader.program);
GLSL_SetUniformInt(&tr.tonemapShader, UNIFORM_TEXTUREMAP, TB_COLORMAP);
GLSL_SetUniformInt(&tr.tonemapShader, UNIFORM_LEVELSMAP, TB_LEVELSMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.tonemapShader);
numEtcShaders++;
for (i = 0; i < 2; i++)
{
attribs = ATTR_POSITION | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (!i)
Q_strcat(extradefines, 1024, "#define FIRST_PASS\n");
if (!GLSL_InitGPUShader(&tr.calclevels4xShader[i], "calclevels4x", attribs, qtrue, extradefines, qtrue, fallbackShader_calclevels4x_vp, fallbackShader_calclevels4x_fp))
{
ri.Error(ERR_FATAL, "Could not load calclevels4x shader!");
}
GLSL_InitUniforms(&tr.calclevels4xShader[i]);
qglUseProgramObjectARB(tr.calclevels4xShader[i].program);
GLSL_SetUniformInt(&tr.calclevels4xShader[i], UNIFORM_TEXTUREMAP, TB_DIFFUSEMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.calclevels4xShader[i]);
numEtcShaders++;
}
attribs = ATTR_POSITION | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (r_shadowFilter->integer >= 1)
Q_strcat(extradefines, 1024, "#define USE_SHADOW_FILTER\n");
if (r_shadowFilter->integer >= 2)
Q_strcat(extradefines, 1024, "#define USE_SHADOW_FILTER2\n");
if (r_shadowCascadeZFar->integer != 0)
Q_strcat(extradefines, 1024, "#define USE_SHADOW_CASCADE\n");
Q_strcat(extradefines, 1024, va("#define r_shadowMapSize %f\n", r_shadowMapSize->value));
Q_strcat(extradefines, 1024, va("#define r_shadowCascadeZFar %f\n", r_shadowCascadeZFar->value));
if (!GLSL_InitGPUShader(&tr.shadowmaskShader, "shadowmask", attribs, qtrue, extradefines, qtrue, fallbackShader_shadowmask_vp, fallbackShader_shadowmask_fp))
{
ri.Error(ERR_FATAL, "Could not load shadowmask shader!");
}
GLSL_InitUniforms(&tr.shadowmaskShader);
qglUseProgramObjectARB(tr.shadowmaskShader.program);
GLSL_SetUniformInt(&tr.shadowmaskShader, UNIFORM_SCREENDEPTHMAP, TB_COLORMAP);
GLSL_SetUniformInt(&tr.shadowmaskShader, UNIFORM_SHADOWMAP, TB_SHADOWMAP);
GLSL_SetUniformInt(&tr.shadowmaskShader, UNIFORM_SHADOWMAP2, TB_SHADOWMAP2);
GLSL_SetUniformInt(&tr.shadowmaskShader, UNIFORM_SHADOWMAP3, TB_SHADOWMAP3);
GLSL_SetUniformInt(&tr.shadowmaskShader, UNIFORM_SHADOWMAP4, TB_SHADOWMAP4);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.shadowmaskShader);
numEtcShaders++;
attribs = ATTR_POSITION | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (!GLSL_InitGPUShader(&tr.ssaoShader, "ssao", attribs, qtrue, extradefines, qtrue, fallbackShader_ssao_vp, fallbackShader_ssao_fp))
{
ri.Error(ERR_FATAL, "Could not load ssao shader!");
}
GLSL_InitUniforms(&tr.ssaoShader);
qglUseProgramObjectARB(tr.ssaoShader.program);
GLSL_SetUniformInt(&tr.ssaoShader, UNIFORM_SCREENDEPTHMAP, TB_COLORMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.ssaoShader);
numEtcShaders++;
for (i = 0; i < 2; i++)
{
attribs = ATTR_POSITION | ATTR_TEXCOORD;
extradefines[0] = '\0';
if (i & 1)
Q_strcat(extradefines, 1024, "#define USE_VERTICAL_BLUR\n");
else
Q_strcat(extradefines, 1024, "#define USE_HORIZONTAL_BLUR\n");
if (!GLSL_InitGPUShader(&tr.depthBlurShader[i], "depthBlur", attribs, qtrue, extradefines, qtrue, fallbackShader_depthblur_vp, fallbackShader_depthblur_fp))
{
ri.Error(ERR_FATAL, "Could not load depthBlur shader!");
}
GLSL_InitUniforms(&tr.depthBlurShader[i]);
qglUseProgramObjectARB(tr.depthBlurShader[i].program);
GLSL_SetUniformInt(&tr.depthBlurShader[i], UNIFORM_SCREENIMAGEMAP, TB_COLORMAP);
GLSL_SetUniformInt(&tr.depthBlurShader[i], UNIFORM_SCREENDEPTHMAP, TB_LIGHTMAP);
qglUseProgramObjectARB(0);
GLSL_FinishGPUShader(&tr.depthBlurShader[i]);
numEtcShaders++;
}
#endif
endTime = ri.Milliseconds();
ri.Printf(PRINT_ALL, "loaded %i GLSL shaders (%i gen %i light %i etc) in %5.2f seconds\n",
numGenShaders + numLightShaders + numEtcShaders, numGenShaders, numLightShaders,
numEtcShaders, (endTime - startTime) / 1000.0);
}
/*
* R_RenderMeshGLSL_Material
*/
static void R_RenderMeshGLSL_Material( r_glslfeat_t programFeatures )
{
int i;
int tcgen, rgbgen;
int state;
int program, object;
image_t *base, *normalmap, *glossmap, *decalmap, *entdecalmap;
mat4x4_t unused;
vec3_t lightDir = { 0.0f, 0.0f, 0.0f };
vec4_t ambient = { 0.0f, 0.0f, 0.0f, 0.0f }, diffuse = { 0.0f, 0.0f, 0.0f, 0.0f };
float offsetmappingScale, glossExponent;
const superLightStyle_t *lightStyle = NULL;
const mfog_t *fog = r_back.colorFog;
shaderpass_t *pass = r_back.accumPasses[0];
qboolean applyDecal;
// handy pointers
base = pass->anim_frames[0];
normalmap = pass->anim_frames[1];
glossmap = pass->anim_frames[2];
decalmap = pass->anim_frames[3];
entdecalmap = pass->anim_frames[4];
tcgen = pass->tcgen; // store the original tcgen
rgbgen = pass->rgbgen.type; // store the original rgbgen
assert( normalmap );
if( normalmap->samples == 4 )
offsetmappingScale = r_offsetmapping_scale->value * r_back.currentShader->offsetmapping_scale;
else // no alpha in normalmap, don't bother with offset mapping
offsetmappingScale = 0;
if( r_back.currentShader->gloss_exponent )
glossExponent = r_back.currentShader->gloss_exponent;
else
glossExponent = r_lighting_glossexponent->value;
applyDecal = decalmap != NULL;
if( ri.params & RP_CLIPPLANE )
programFeatures |= GLSL_COMMON_APPLY_CLIPPING;
if( pass->flags & SHADERPASS_GRAYSCALE )
programFeatures |= GLSL_COMMON_APPLY_GRAYSCALE;
if( fog )
{
programFeatures |= GLSL_COMMON_APPLY_FOG;
if( fog != ri.fog_eye )
programFeatures |= GLSL_COMMON_APPLY_FOG2;
if( GL_IsAlphaBlending( pass->flags & GLSTATE_SRCBLEND_MASK, pass->flags & GLSTATE_DSTBLEND_MASK ) )
programFeatures |= GLSL_COMMON_APPLY_COLOR_FOG_ALPHA;
}
if( r_back.currentMeshBuffer->infokey > 0 && ( rgbgen != RGB_GEN_LIGHTING_DIFFUSE ) )
{
if( !( r_offsetmapping->integer & 1 ) ) {
offsetmappingScale = 0;
}
if( ri.params & RP_LIGHTMAP ) {
programFeatures |= GLSL_MATERIAL_APPLY_BASETEX_ALPHA_ONLY;
}
if( ( ri.params & RP_DRAWFLAT ) && !( r_back.currentShader->flags & SHADER_NODRAWFLAT ) ) {
programFeatures |= GLSL_COMMON_APPLY_DRAWFLAT|GLSL_MATERIAL_APPLY_BASETEX_ALPHA_ONLY;
}
}
else if( ( r_back.currentMeshBuffer->sortkey & 3 ) == MB_POLY )
{
// polys
if( !( r_offsetmapping->integer & 2 ) )
offsetmappingScale = 0;
R_BuildTangentVectors( r_backacc.numVerts, vertsArray, normalsArray, coordsArray, r_backacc.numElems/3, elemsArray, inSVectorsArray );
}
else
{
// models and world lightingDiffuse materials
if( r_back.currentMeshBuffer->infokey > 0 )
{
if( !( r_offsetmapping->integer & 1 ) )
offsetmappingScale = 0;
pass->rgbgen.type = RGB_GEN_VERTEX;
}
else
{
// models
if( !( r_offsetmapping->integer & 4 ) )
offsetmappingScale = 0;
#ifdef CELLSHADEDMATERIAL
programFeatures |= GLSL_MATERIAL_APPLY_CELLSHADING;
#endif
#ifdef HALFLAMBERTLIGHTING
programFeatures |= GLSL_MATERIAL_APPLY_HALFLAMBERT;
#endif
}
}
// add dynamic lights
if( r_back.currentDlightBits ) {
programFeatures |= R_DlightbitsToProgramFeatures();
}
pass->tcgen = TC_GEN_BASE;
R_BindShaderpass( pass, base, 0, &programFeatures );
// calculate vertex color
R_ModifyColor( pass, applyDecal, r_back.currentMeshVBO != NULL );
// since R_ModifyColor has forcefully generated RGBA for the first vertex,
// set the proper number of color elements here, so GL_COLOR_ARRAY will be enabled
// before the DrawElements call
if( !(pass->flags & SHADERPASS_NOCOLORARRAY) )
r_backacc.numColors = r_backacc.numVerts;
// convert rgbgen and alphagen to GLSL feature defines
programFeatures |= R_RGBAlphaGenToProgramFeatures( pass->rgbgen.type, pass->alphagen.type );
GL_TexEnv( GL_MODULATE );
// set shaderpass state (blending, depthwrite, etc)
state = r_back.currentShaderState | ( pass->flags & r_back.currentShaderPassMask ) | GLSTATE_BLEND_MTEX;
GL_SetState( state );
#if 1
// don't waste time on processing GLSL programs with zero colormask
if( ( ri.params & RP_SHADOWMAPVIEW ) & !(programFeatures & GLSL_COMMON_APPLY_BONETRANSFORMS) )
{
pass->tcgen = tcgen; // restore original tcgen
R_FlushArrays();
return;
}
#endif
// we only send S-vectors to GPU and recalc T-vectors as cross product
// in vertex shader
pass->tcgen = TC_GEN_SVECTORS;
GL_Bind( 1, normalmap ); // normalmap
GL_SetTexCoordArrayMode( GL_TEXTURE_COORD_ARRAY );
R_VertexTCBase( pass, 1, unused, NULL );
if( glossmap && r_lighting_glossintensity->value )
{
programFeatures |= GLSL_MATERIAL_APPLY_SPECULAR;
GL_Bind( 2, glossmap ); // gloss
GL_SetTexCoordArrayMode( 0 );
}
if( applyDecal )
{
programFeatures |= GLSL_MATERIAL_APPLY_DECAL;
if( ri.params & RP_LIGHTMAP ) {
decalmap = r_blacktexture;
programFeatures |= GLSL_MATERIAL_APPLY_DECAL_ADD;
}
else {
// if no alpha, use additive blending
if( decalmap->samples == 3 )
programFeatures |= GLSL_MATERIAL_APPLY_DECAL_ADD;
}
GL_Bind( 3, decalmap ); // decal
GL_SetTexCoordArrayMode( 0 );
}
if( entdecalmap )
{
programFeatures |= GLSL_MATERIAL_APPLY_ENTITY_DECAL;
// if no alpha, use additive blending
if( entdecalmap->samples == 3 )
programFeatures |= GLSL_MATERIAL_APPLY_ENTITY_DECAL_ADD;
GL_Bind( 4, entdecalmap ); // decal
GL_SetTexCoordArrayMode( 0 );
}
if( offsetmappingScale > 0 )
programFeatures |= r_offsetmapping_reliefmapping->integer ? GLSL_MATERIAL_APPLY_RELIEFMAPPING : GLSL_MATERIAL_APPLY_OFFSETMAPPING;
if( r_back.currentMeshBuffer->infokey > 0 && ( rgbgen != RGB_GEN_LIGHTING_DIFFUSE ) )
{
// world surface
if( r_back.superLightStyle && r_back.superLightStyle->lightmapNum[0] >= 0 )
{
lightStyle = r_back.superLightStyle;
// bind lightmap textures and set program's features for lightstyles
pass->tcgen = TC_GEN_LIGHTMAP;
for( i = 0; i < MAX_LIGHTMAPS && lightStyle->lightmapStyles[i] != 255; i++ )
{
r_back.lightmapStyleNum[i+4] = i;
GL_Bind( i+4, r_worldbrushmodel->lightmapImages[lightStyle->lightmapNum[i]] ); // lightmap
GL_SetTexCoordArrayMode( GL_TEXTURE_COORD_ARRAY );
R_VertexTCBase( pass, i+4, unused, NULL );
}
programFeatures |= ( i * GLSL_MATERIAL_APPLY_LIGHTSTYLE0 );
if( i == 1 && !mapConfig.lightingIntensity )
{
vec_t *rgb = r_lightStyles[lightStyle->lightmapStyles[0]].rgb;
// GLSL_MATERIAL_APPLY_FB_LIGHTMAP indicates that there's no need to renormalize
// the lighting vector for specular (saves 3 adds, 3 muls and 1 normalize per pixel)
if( rgb[0] == 1 && rgb[1] == 1 && rgb[2] == 1 )
programFeatures |= GLSL_MATERIAL_APPLY_FB_LIGHTMAP;
}
if( !VectorCompare( mapConfig.ambient, vec3_origin ) )
{
VectorCopy( mapConfig.ambient, ambient );
programFeatures |= GLSL_MATERIAL_APPLY_AMBIENT_COMPENSATION;
}
}
}
else
{
vec3_t temp;
programFeatures |= GLSL_MATERIAL_APPLY_DIRECTIONAL_LIGHT;
if( ( r_back.currentMeshBuffer->sortkey & 3 ) == MB_POLY )
{
VectorCopy( r_polys[-r_back.currentMeshBuffer->infokey-1].normal, lightDir );
Vector4Set( ambient, 0, 0, 0, 0 );
Vector4Set( diffuse, 1, 1, 1, 1 );
}
else if( ri.currententity )
{
if( ri.currententity->flags & RF_FULLBRIGHT )
{
Vector4Set( ambient, 1, 1, 1, 1 );
Vector4Set( diffuse, 1, 1, 1, 1 );
}
else
{
if( r_back.currentMeshBuffer->infokey > 0 )
{
programFeatures |= GLSL_MATERIAL_APPLY_DIRECTIONAL_LIGHT_MIX;
if( r_back.overBrightBits )
programFeatures |= GLSL_COMMON_APPLY_OVERBRIGHT_SCALING;
}
if( ri.currententity->model && ri.currententity != r_worldent )
{
// get weighted incoming direction of world and dynamic lights
R_LightForOrigin( ri.currententity->lightingOrigin, temp, ambient, diffuse,
ri.currententity->model->radius * ri.currententity->scale);
}
else
{
VectorSet( temp, 0.1f, 0.2f, 0.7f );
}
if( ri.currententity->flags & RF_MINLIGHT )
{
if( ambient[0] <= 0.1f || ambient[1] <= 0.1f || ambient[2] <= 0.1f )
VectorSet( ambient, 0.1f, 0.1f, 0.1f );
}
// rotate direction
Matrix_TransformVector( ri.currententity->axis, temp, lightDir );
}
}
}
pass->tcgen = tcgen; // restore original tcgen
pass->rgbgen.type = rgbgen; // restore original rgbgen
program = R_RegisterGLSLProgram( pass->program_type, pass->program, NULL,
r_back.currentShader->name, r_back.currentShader->deforms, r_back.currentShader->numdeforms, programFeatures );
object = R_GetProgramObject( program );
if( object )
{
qglUseProgramObjectARB( object );
// update uniforms
R_UpdateProgramUniforms( program, ri.viewOrigin, vec3_origin, lightDir, ambient, diffuse, lightStyle,
qtrue, 0, 0, 0, offsetmappingScale, glossExponent,
colorArrayCopy[0], r_back.overBrightBits, r_back.currentShaderTime, r_back.entityColor );
if( programFeatures & GLSL_COMMON_APPLY_FOG )
{
cplane_t fogPlane, vpnPlane;
R_TransformFogPlanes( fog, fogPlane.normal, &fogPlane.dist, vpnPlane.normal, &vpnPlane.dist );
R_UpdateProgramFogParams( program, fog->shader->fog_color, fog->shader->fog_clearDist,
fog->shader->fog_dist, &fogPlane, &vpnPlane, ri.fog_dist_to_eye[fog-r_worldbrushmodel->fogs] );
}
// submit animation data
if( programFeatures & GLSL_COMMON_APPLY_BONETRANSFORMS ) {
R_UpdateProgramBonesParams( program, r_back.currentAnimData->numBones, r_back.currentAnimData->dualQuats );
}
// dynamic lights
if( r_back.currentDlightBits ) {
R_UpdateProgramLightsParams( program, ri.currententity->origin, ri.currententity->axis, r_back.currentDlightBits );
r_back.doDynamicLightsPass = qfalse;
}
// r_drawflat
if( programFeatures & GLSL_COMMON_APPLY_DRAWFLAT ) {
R_UpdateDrawFlatParams( program, r_front.wallColor, r_front.floorColor );
}
R_FlushArrays();
qglUseProgramObjectARB( 0 );
}
}
/*
==================
RB_GLSL_DrawInteractions
==================
*/
void RB_GLSL_DrawInteractions( void ) {
viewLight_t *vLight;
GL_SelectTexture( 0 );
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
//
// for each light, perform adding and shadowing
//
for ( vLight = backEnd.viewDef->viewLights; vLight; vLight = vLight->next ) {
backEnd.vLight = vLight;
// do fogging later
if ( vLight->lightShader->IsFogLight() ) {
continue;
}
if ( vLight->lightShader->IsBlendLight() ) {
continue;
}
// if there are no interactions, get out!
if ( !vLight->localInteractions && !vLight->globalInteractions && !vLight->translucentInteractions ) {
continue;
}
// clear the stencil buffer if needed
if ( vLight->globalShadows || vLight->localShadows ) {
backEnd.currentScissor = vLight->scissorRect;
if ( r_useScissor.GetBool() ) {
qglScissor( backEnd.viewDef->viewport.x1 + backEnd.currentScissor.x1,
backEnd.viewDef->viewport.y1 + backEnd.currentScissor.y1,
backEnd.currentScissor.x2 + 1 - backEnd.currentScissor.x1,
backEnd.currentScissor.y2 + 1 - backEnd.currentScissor.y1 );
}
qglClear( GL_STENCIL_BUFFER_BIT );
} else {
// no shadows, so no need to read or write the stencil buffer
// we might in theory want to use GL_ALWAYS instead of disabling
// completely, to satisfy the invarience rules
qglStencilFunc( GL_ALWAYS, 128, 255 );
}
if ( r_useShadowVertexProgram.GetBool() ) {
qglUseProgramObjectARB( stencilShadowShader.program );
RB_StencilShadowPass( vLight->globalShadows );
RB_GLSL_CreateDrawInteractions( vLight->localInteractions );
qglUseProgramObjectARB( stencilShadowShader.program );
RB_StencilShadowPass( vLight->localShadows );
RB_GLSL_CreateDrawInteractions( vLight->globalInteractions );
qglUseProgramObjectARB( 0 ); // if there weren't any globalInteractions, it would have stayed on
} else {
RB_StencilShadowPass( vLight->globalShadows );
RB_GLSL_CreateDrawInteractions( vLight->localInteractions );
RB_StencilShadowPass( vLight->localShadows );
RB_GLSL_CreateDrawInteractions( vLight->globalInteractions );
}
// translucent surfaces never get stencil shadowed
if ( r_skipTranslucent.GetBool() ) {
continue;
}
qglStencilFunc( GL_ALWAYS, 128, 255 );
backEnd.depthFunc = GLS_DEPTHFUNC_LESS;
RB_GLSL_CreateDrawInteractions( vLight->translucentInteractions );
backEnd.depthFunc = GLS_DEPTHFUNC_EQUAL;
}
// disable stencil shadow test
qglStencilFunc( GL_ALWAYS, 128, 255 );
GL_SelectTexture( 0 );
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
}
/*
==================
RB_GLSL_InitShaders
==================
*/
static bool RB_GLSL_InitShaders( ) {
// load interation shaders
R_LoadGLSLShader( "interaction_Dir.vs", &interactionDirShader, GL_VERTEX_SHADER_ARB );
R_LoadGLSLShader( "interaction_Dir.fs", &interactionDirShader, GL_FRAGMENT_SHADER_ARB );
if ( !R_LinkGLSLShader( &interactionDirShader, true ) && !R_ValidateGLSLProgram( &interactionDirShader ) ) {
return false;
} else {
// set uniform locations
interactionDirShader.u_lightCubeTexture = qglGetUniformLocationARB( interactionDirShader.program, "u_lightCubeTexture" );
interactionDirShader.u_lightProjectionTexture = qglGetUniformLocationARB( interactionDirShader.program, "u_lightProjectionTexture" );
interactionDirShader.u_lightFalloffTexture = qglGetUniformLocationARB( interactionDirShader.program, "u_lightFalloffTexture" );
interactionDirShader.u_normalTexture = qglGetUniformLocationARB( interactionDirShader.program, "u_normalTexture" );
interactionDirShader.u_diffuseTexture = qglGetUniformLocationARB( interactionDirShader.program, "u_diffuseTexture" );
interactionDirShader.u_specularTexture = qglGetUniformLocationARB( interactionDirShader.program, "u_specularTexture" );
interactionDirShader.u_ssaoTexture = qglGetUniformLocationARB( interactionDirShader.program, "u_ssaoTexture" );
interactionDirShader.u_aux0Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux0Texture" );
interactionDirShader.u_aux1Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux1Texture" );
interactionDirShader.u_aux2Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux2Texture" );
interactionDirShader.u_aux3Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux3Texture" );
interactionDirShader.u_aux4Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux4Texture" );
interactionDirShader.u_aux5Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux5Texture" );
interactionDirShader.u_aux6Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux6Texture" );
interactionDirShader.u_aux7Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux7Texture" );
interactionDirShader.u_aux8Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux8Texture" );
interactionDirShader.u_aux9Texture = qglGetUniformLocationARB( interactionDirShader.program, "u_aux9Texture" );
interactionDirShader.modelMatrix = qglGetUniformLocationARB( interactionDirShader.program, "u_modelMatrix" );
interactionDirShader.localLightOrigin = qglGetUniformLocationARB( interactionDirShader.program, "u_lightOrigin" );
interactionDirShader.localViewOrigin = qglGetUniformLocationARB( interactionDirShader.program, "u_viewOrigin" );
interactionDirShader.lightProjectionS = qglGetUniformLocationARB( interactionDirShader.program, "u_lightProjectionS" );
interactionDirShader.lightProjectionT = qglGetUniformLocationARB( interactionDirShader.program, "u_lightProjectionT" );
interactionDirShader.lightProjectionQ = qglGetUniformLocationARB( interactionDirShader.program, "u_lightProjectionQ" );
interactionDirShader.lightFalloff = qglGetUniformLocationARB( interactionDirShader.program, "u_lightFalloff" );
interactionDirShader.bumpMatrixS = qglGetUniformLocationARB( interactionDirShader.program, "u_bumpMatrixS" );
interactionDirShader.bumpMatrixT = qglGetUniformLocationARB( interactionDirShader.program, "u_bumpMatrixT" );
interactionDirShader.diffuseMatrixS = qglGetUniformLocationARB( interactionDirShader.program, "u_diffuseMatrixS" );
interactionDirShader.diffuseMatrixT = qglGetUniformLocationARB( interactionDirShader.program, "u_diffuseMatrixT" );
interactionDirShader.specularMatrixS = qglGetUniformLocationARB( interactionDirShader.program, "u_specularMatrixS" );
interactionDirShader.specularMatrixT = qglGetUniformLocationARB( interactionDirShader.program, "u_specularMatrixT" );
interactionDirShader.specularMatrixT = qglGetUniformLocationARB( interactionDirShader.program, "u_specularMatrixT" );
interactionDirShader.colorMAD = qglGetUniformLocationARB( interactionDirShader.program, "u_colorMAD" );
interactionDirShader.diffuseColor = qglGetUniformLocationARB( interactionDirShader.program, "u_diffuseColor" );
interactionDirShader.specularColor = qglGetUniformLocationARB( interactionDirShader.program, "u_specularColor" );
interactionDirShader.falloffType = qglGetUniformLocationARB( interactionDirShader.program, "u_falloffType" );
interactionDirShader.specExp = qglGetUniformLocationARB( interactionDirShader.program, "u_specExp" );
interactionDirShader.localParms[0] = qglGetUniformLocationARB( interactionDirShader.program, "u_localParm0" );
interactionDirShader.localParms[1] = qglGetUniformLocationARB( interactionDirShader.program, "u_localParm1" );
interactionDirShader.localParms[2] = qglGetUniformLocationARB( interactionDirShader.program, "u_localParm2" );
interactionDirShader.localParms[3] = qglGetUniformLocationARB( interactionDirShader.program, "u_localParm3" );
interactionDirShader.localParms[4] = qglGetUniformLocationARB( interactionDirShader.program, "u_localParm4" );
interactionDirShader.localParms[5] = qglGetUniformLocationARB( interactionDirShader.program, "u_localParm5" );
interactionDirShader.localParms[6] = qglGetUniformLocationARB( interactionDirShader.program, "u_localParm6" );
interactionDirShader.localParms[7] = qglGetUniformLocationARB( interactionDirShader.program, "u_localParm7" );
// set texture locations
qglUseProgramObjectARB( interactionDirShader.program );
qglUniform1iARB( interactionDirShader.u_lightCubeTexture, 0 );
qglUniform1iARB( interactionDirShader.u_lightProjectionTexture, 16 );
qglUniform1iARB( interactionDirShader.u_lightFalloffTexture, 1 );
qglUniform1iARB( interactionDirShader.u_normalTexture, 2 );
qglUniform1iARB( interactionDirShader.u_diffuseTexture, 3 );
qglUniform1iARB( interactionDirShader.u_specularTexture, 4 );
qglUniform1iARB( interactionDirShader.u_ssaoTexture, 5 );
qglUniform1iARB( interactionDirShader.u_aux0Texture, 6 );
qglUniform1iARB( interactionDirShader.u_aux1Texture, 7 );
qglUniform1iARB( interactionDirShader.u_aux2Texture, 8 );
qglUniform1iARB( interactionDirShader.u_aux3Texture, 9 );
qglUniform1iARB( interactionDirShader.u_aux4Texture, 10 );
qglUniform1iARB( interactionDirShader.u_aux5Texture, 11 );
qglUniform1iARB( interactionDirShader.u_aux6Texture, 12 );
qglUniform1iARB( interactionDirShader.u_aux7Texture, 13 );
qglUniform1iARB( interactionDirShader.u_aux8Texture, 14 );
qglUniform1iARB( interactionDirShader.u_aux9Texture, 15 );
qglUseProgramObjectARB( 0 );
}
// load ambient interation shaders
R_LoadGLSLShader( "interaction_Amb.vs", &interactionAmbShader, GL_VERTEX_SHADER_ARB );
R_LoadGLSLShader( "interaction_Amb.fs", &interactionAmbShader, GL_FRAGMENT_SHADER_ARB );
if ( !R_LinkGLSLShader( &interactionAmbShader, true ) && !R_ValidateGLSLProgram( &interactionAmbShader ) ) {
return false;
} else {
// set uniform locations
interactionAmbShader.u_lightCubeTexture = qglGetUniformLocationARB( interactionAmbShader.program, "u_lightCubeTexture" );
interactionAmbShader.u_lightFalloffTexture = qglGetUniformLocationARB( interactionAmbShader.program, "u_lightFalloffTexture" );
interactionAmbShader.u_normalTexture = qglGetUniformLocationARB( interactionAmbShader.program, "u_normalTexture" );
interactionAmbShader.u_diffuseTexture = qglGetUniformLocationARB( interactionAmbShader.program, "u_diffuseTexture" );
interactionAmbShader.u_specularTexture = qglGetUniformLocationARB( interactionAmbShader.program, "u_specularTexture" );
interactionAmbShader.u_ssaoTexture = qglGetUniformLocationARB( interactionAmbShader.program, "u_ssaoTexture" );
interactionAmbShader.u_aux0Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux0Texture" );
interactionAmbShader.u_aux1Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux1Texture" );
interactionAmbShader.u_aux2Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux2Texture" );
interactionAmbShader.u_aux3Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux3Texture" );
interactionAmbShader.u_aux4Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux4Texture" );
interactionAmbShader.u_aux5Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux5Texture" );
interactionAmbShader.u_aux6Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux6Texture" );
interactionAmbShader.u_aux7Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux7Texture" );
interactionAmbShader.u_aux8Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux8Texture" );
interactionAmbShader.u_aux9Texture = qglGetUniformLocationARB( interactionAmbShader.program, "u_aux9Texture" );
interactionAmbShader.modelMatrix = qglGetUniformLocationARB( interactionAmbShader.program, "u_modelMatrix" );
interactionAmbShader.localLightOrigin = qglGetUniformLocationARB( interactionAmbShader.program, "u_lightOrigin" );
interactionAmbShader.localViewOrigin = qglGetUniformLocationARB( interactionAmbShader.program, "u_viewOrigin" );
interactionAmbShader.lightProjectionS = qglGetUniformLocationARB( interactionAmbShader.program, "u_lightProjectionS" );
interactionAmbShader.lightProjectionT = qglGetUniformLocationARB( interactionAmbShader.program, "u_lightProjectionT" );
interactionAmbShader.lightProjectionQ = qglGetUniformLocationARB( interactionAmbShader.program, "u_lightProjectionQ" );
interactionAmbShader.lightFalloff = qglGetUniformLocationARB( interactionAmbShader.program, "u_lightFalloff" );
interactionAmbShader.bumpMatrixS = qglGetUniformLocationARB( interactionAmbShader.program, "u_bumpMatrixS" );
interactionAmbShader.bumpMatrixT = qglGetUniformLocationARB( interactionAmbShader.program, "u_bumpMatrixT" );
interactionAmbShader.diffuseMatrixS = qglGetUniformLocationARB( interactionAmbShader.program, "u_diffuseMatrixS" );
interactionAmbShader.diffuseMatrixT = qglGetUniformLocationARB( interactionAmbShader.program, "u_diffuseMatrixT" );
interactionAmbShader.specularMatrixS = qglGetUniformLocationARB( interactionAmbShader.program, "u_specularMatrixS" );
interactionAmbShader.specularMatrixT = qglGetUniformLocationARB( interactionAmbShader.program, "u_specularMatrixT" );
interactionAmbShader.colorMAD = qglGetUniformLocationARB( interactionAmbShader.program, "u_colorMAD" );
interactionAmbShader.diffuseColor = qglGetUniformLocationARB( interactionAmbShader.program, "u_diffuseColor" );
interactionAmbShader.specularColor = qglGetUniformLocationARB( interactionAmbShader.program, "u_specularColor" );
interactionAmbShader.specExp = qglGetUniformLocationARB( interactionAmbShader.program, "u_specExp" );
interactionAmbShader.localParms[0] = qglGetUniformLocationARB( interactionAmbShader.program, "u_localParm0" );
interactionAmbShader.localParms[1] = qglGetUniformLocationARB( interactionAmbShader.program, "u_localParm1" );
interactionAmbShader.localParms[2] = qglGetUniformLocationARB( interactionAmbShader.program, "u_localParm2" );
interactionAmbShader.localParms[3] = qglGetUniformLocationARB( interactionAmbShader.program, "u_localParm3" );
interactionAmbShader.localParms[4] = qglGetUniformLocationARB( interactionAmbShader.program, "u_localParm4" );
interactionAmbShader.localParms[5] = qglGetUniformLocationARB( interactionAmbShader.program, "u_localParm5" );
interactionAmbShader.localParms[6] = qglGetUniformLocationARB( interactionAmbShader.program, "u_localParm6" );
interactionAmbShader.localParms[7] = qglGetUniformLocationARB( interactionAmbShader.program, "u_localParm7" );
// set texture locations
qglUseProgramObjectARB( interactionAmbShader.program );
qglUniform1iARB( interactionAmbShader.u_lightCubeTexture, 0 );
qglUniform1iARB( interactionAmbShader.u_lightFalloffTexture, 1 );
qglUniform1iARB( interactionAmbShader.u_normalTexture, 2 );
qglUniform1iARB( interactionAmbShader.u_diffuseTexture, 3 );
qglUniform1iARB( interactionAmbShader.u_specularTexture, 4 );
qglUniform1iARB( interactionAmbShader.u_ssaoTexture, 5 );
qglUniform1iARB( interactionAmbShader.u_aux0Texture, 6 );
qglUniform1iARB( interactionAmbShader.u_aux1Texture, 7 );
qglUniform1iARB( interactionAmbShader.u_aux2Texture, 8 );
qglUniform1iARB( interactionAmbShader.u_aux3Texture, 9 );
qglUniform1iARB( interactionAmbShader.u_aux4Texture, 10 );
qglUniform1iARB( interactionAmbShader.u_aux5Texture, 11 );
qglUniform1iARB( interactionAmbShader.u_aux6Texture, 12 );
qglUniform1iARB( interactionAmbShader.u_aux7Texture, 13 );
qglUniform1iARB( interactionAmbShader.u_aux8Texture, 14 );
qglUniform1iARB( interactionAmbShader.u_aux9Texture, 15 );
qglUseProgramObjectARB( 0 );
}
// load stencil shadow extrusion shaders
R_LoadGLSLShader( "stencilshadow.vs", &stencilShadowShader, GL_VERTEX_SHADER_ARB );
R_LoadGLSLShader( "stencilshadow.fs", &stencilShadowShader, GL_FRAGMENT_SHADER_ARB );
if ( !R_LinkGLSLShader( &stencilShadowShader, false ) && !R_ValidateGLSLProgram( &stencilShadowShader ) ) {
return false;
} else {
// set uniform locations
stencilShadowShader.localLightOrigin = qglGetUniformLocationARB( stencilShadowShader.program, "u_lightOrigin" );
}
return true;
}
/*
** RB_EndSurface
*/
void RB_EndSurface( qboolean forceDepth ) {
shaderCommands_t *input;
GLenum prog;
int loc;
int i,size;
shaderStage_t stage;
image_t image;
char tex[MAX_QPATH];
input = &tess;
if ( tess.shader == tr.maskEndShader ) {
RB_MaskTessFinish();
return;
}
if (input->numIndexes == 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;
}
if ( tess.shader == tr.maskShader ) {
RB_MaskTessEnd();
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;
if(forceDepth) {
//Force depth testing if we are rendering via draw.Start3D -Hxrmn
size = sizeof(tess.xstages) / sizeof(tess.xstages[0]);
for(i=0; i<size; i++) {
if(tess.xstages[i] != NULL) {
if(tess.xstages[i]->stateBits & GLS_DEPTHTEST_DISABLE) {
tess.xstages[i]->stateBits &= ~GLS_DEPTHTEST_DISABLE;
}
}
}
}
//
// call off to shader specific tess end function
//
if(tess.shader->GLSL) {
prog = getShaderProgram(tess.shader->GLSLName);
if(prog != -1) {
qglUseProgramObjectARB(prog);
if(qglUniform1fARB) {
loc = qglGetUniformLocationARB(prog, "cgtime");
qglUniform1fARB(loc, backEnd.refdef.floatTime);
}
if(qglUniform3fvARB) {
loc = qglGetUniformLocationARB(prog, "viewPos");
qglUniform3fARB(loc,
backEnd.refdef.vieworg[0],
backEnd.refdef.vieworg[1],
backEnd.refdef.vieworg[2]);
}
if(qglUniform3fvARB) {
loc = qglGetUniformLocationARB(prog, "viewNormal");
qglUniform3fARB(loc,
backEnd.refdef.viewaxis[0][0],
backEnd.refdef.viewaxis[0][1],
backEnd.refdef.viewaxis[0][2]);
}
if(qglUniform2fARB) {
loc = qglGetUniformLocationARB(prog, "fov");
qglUniform2fARB(loc,
backEnd.refdef.fov_x,
backEnd.refdef.fov_y);
}
/*
loc = qglGetUniformLocationARB(prog, "texture_0");
qglUniform1iARB(loc, 0);
loc = qglGetUniformLocationARB(prog, "texture_1");
qglUniform1iARB(loc, 1);*/
}
}
//tess.shader->stages[0]->bundle[0].image
tess.currentStageIteratorFunc();
if(tess.shader->GLSL) {
revertShaderProgram();
qglDisable(GL_TEXTURE0_ARB);
qglDisable(GL_TEXTURE1_ARB);
qglDisable(GL_TEXTURE2_ARB);
qglDisable(GL_TEXTURE3_ARB);
}
//
// 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;
GLimp_LogComment( "----------\n" );
}
/*
=============
RB_GLSL_CreateDrawInteractions
=============
*/
static void RB_GLSL_CreateDrawInteractions( const drawSurf_t *surf ) {
if ( !surf ) {
return;
}
// perform setup here that will be constant for all interactions
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHMASK | backEnd.depthFunc );
// bind the vertex and fragment program
if ( backEnd.vLight->lightShader->IsAmbientLight() ) {
qglUseProgramObjectARB( interactionAmbShader.program );
} else {
qglUseProgramObjectARB( interactionDirShader.program );
}
// enable the vertex arrays
qglEnableVertexAttribArrayARB( 8 );
qglEnableVertexAttribArrayARB( 9 );
qglEnableVertexAttribArrayARB( 10 );
qglEnableVertexAttribArrayARB( 11 );
qglEnableClientState( GL_COLOR_ARRAY );
for ( ; surf; surf = surf->nextOnLight ) {
// perform setup here that will not change over multiple interaction passes
// ---> sikk - Custom Interaction Shaders: Local Parameters
const float *regs;
regs = surf->shaderRegisters;
for ( int i = 0; i < surf->material->GetNumInteractionParms(); i++ ) {
float parm[ 4 ];
parm[ 0 ] = regs[ surf->material->GetInteractionParm( i, 0 ) ];
parm[ 1 ] = regs[ surf->material->GetInteractionParm( i, 1 ) ];
parm[ 2 ] = regs[ surf->material->GetInteractionParm( i, 2 ) ];
parm[ 3 ] = regs[ surf->material->GetInteractionParm( i, 3 ) ];
if ( backEnd.vLight->lightShader->IsAmbientLight() ) {
qglUniform4fvARB( interactionAmbShader.localParms[ i ], 1, parm );
} else {
qglUniform4fvARB( interactionDirShader.localParms[ i ], 1, parm );
}
}
// <--- sikk - Custom Interaction Shaders: Local Parameters
// ---> sikk - Specular Exponent Scale/Bias
float parm[ 4 ];
parm[ 0 ] = surf->material->GetSpecExp( 0 );
parm[ 1 ] = surf->material->GetSpecExp( 1 );
parm[ 2 ] = 0.0f;
parm[ 3 ] = 0.0f;
if ( backEnd.vLight->lightShader->IsAmbientLight() ) {
qglUniform4fvARB( interactionAmbShader.specExp, 1, parm );
} else {
qglUniform4fvARB( interactionDirShader.specExp, 1, parm );
}
// <--- sikk - Custom Interaction Shaders: Local Parameters
// set the vertex pointers
idDrawVert *ac = (idDrawVert *)vertexCache.Position( surf->geo->ambientCache );
qglColorPointer( 4, GL_UNSIGNED_BYTE, sizeof( idDrawVert ), ac->color );
qglVertexAttribPointerARB( 11, 3, GL_FLOAT, false, sizeof( idDrawVert ), ac->normal.ToFloatPtr() );
qglVertexAttribPointerARB( 10, 3, GL_FLOAT, false, sizeof( idDrawVert ), ac->tangents[1].ToFloatPtr() );
qglVertexAttribPointerARB( 9, 3, GL_FLOAT, false, sizeof( idDrawVert ), ac->tangents[0].ToFloatPtr() );
qglVertexAttribPointerARB( 8, 2, GL_FLOAT, false, sizeof( idDrawVert ), ac->st.ToFloatPtr() );
qglVertexPointer( 3, GL_FLOAT, sizeof( idDrawVert ), ac->xyz.ToFloatPtr() );
// set model matrix
//if ( backEnd.vLight->lightShader->IsAmbientLight() ) {
// qglUniformMatrix4fvARB( interactionAmbShader.modelMatrix, 1, false, surf->space->modelMatrix );
//} else {
// qglUniformMatrix4fvARB( interactionDirShader.modelMatrix, 1, false, surf->space->modelMatrix );
//}
// this may cause RB_GLSL_DrawInteraction to be executed multiple
// times with different colors and images if the surface or light have multiple layers
RB_CreateSingleDrawInteractions( surf, RB_GLSL_DrawInteraction );
}
qglDisableVertexAttribArrayARB( 8 );
qglDisableVertexAttribArrayARB( 9 );
qglDisableVertexAttribArrayARB( 10 );
qglDisableVertexAttribArrayARB( 11 );
qglDisableClientState( GL_COLOR_ARRAY );
// disable features
// ---> sikk - Auxilary textures for interaction shaders
// per-surface auxilary texture 0 - 9
for ( int i = 15; i > 0; i-- ) {
GL_SelectTextureNoClient( i );
globalImages->BindNull();
}
// <--- sikk - Auxilary textures for interaction shaders
backEnd.glState.currenttmu = -1;
GL_SelectTexture( 0 );
qglUseProgramObjectARB( 0 );
}
void RB_ColorCorrect( void ) {
GLint loc;
GLenum target;
int width, height;
int shift;
float mul;
if ( !r_enablePostProcess->integer || !r_enableColorCorrect->integer || !glsl ) {
return;
}
GL_SelectTexture(0);
qglDisable(GL_TEXTURE_2D);
qglEnable(GL_TEXTURE_RECTANGLE_ARB);
target = GL_TEXTURE_RECTANGLE_ARB;
width = glConfig.vidWidth;
height = glConfig.vidHeight;
qglBindTexture(target, tr.backBufferTexture);
qglCopyTexSubImage2D(target, 0, 0, 0, 0, 0, glConfig.vidWidth, glConfig.vidHeight);
qglMatrixMode(GL_PROJECTION);
qglLoadIdentity();
qglMatrixMode(GL_MODELVIEW);
qglLoadIdentity();
RB_SetGL2D();
GL_State( GLS_DEPTHTEST_DISABLE );
qglUseProgramObjectARB(tr.colorCorrectSp);
loc = qglGetUniformLocationARB(tr.colorCorrectSp, "p_gammaRecip");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_gammaRecip", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)(1.0 / r_gamma->value));
//mul = r_overBrightBitsValue->value;
mul = r_overBrightBits->value;
if (mul < 0.0) {
mul = 0.0;
}
shift = tr.overbrightBits;
loc = qglGetUniformLocationARB(tr.colorCorrectSp, "p_overbright");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_overbright", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)((float)(1 << shift) * mul));
loc = qglGetUniformLocationARB(tr.colorCorrectSp, "p_contrast");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_contrast", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_contrast->value);
loc = qglGetUniformLocationARB(tr.colorCorrectSp, "backBufferTex");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get backBufferTex", __FUNCTION__);
}
qglUniform1iARB(loc, 0);
qglBegin(GL_QUADS);
qglTexCoord2i(0, 0);
qglVertex2i(0, height);
qglTexCoord2i(width, 0);
qglVertex2i(width, height);
qglTexCoord2i(width, height);
qglVertex2i(width, 0);
qglTexCoord2i(0, height);
qglVertex2i(0, 0);
qglEnd();
qglUseProgramObjectARB(0);
qglDisable(GL_TEXTURE_RECTANGLE_ARB);
qglEnable(GL_TEXTURE_2D);
}
static void RB_BloomCombine( void ) {
GLenum target;
int width, height;
GLint loc;
GL_SelectTexture(0);
qglDisable(GL_TEXTURE_2D);
qglEnable(GL_TEXTURE_RECTANGLE_ARB);
target = GL_TEXTURE_RECTANGLE_ARB;
width = tr.bloomWidth;
height = tr.bloomHeight;
qglBindTexture(target, tr.bloomTexture);
qglCopyTexSubImage2D(target, 0, 0, 0, 0, glConfig.vidHeight - height, width, height);
qglUseProgramObjectARB(tr.combineSp);
qglBindTexture(target, tr.backBufferTexture);
loc = qglGetUniformLocationARB(tr.combineSp, "backBufferTex");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get backBufferTex", __FUNCTION__);
}
qglUniform1iARB(loc, 0);
GL_SelectTexture(1);
qglDisable(GL_TEXTURE_2D);
qglEnable(GL_TEXTURE_RECTANGLE_ARB);
qglBindTexture(target, tr.bloomTexture);
loc = qglGetUniformLocationARB(tr.combineSp, "bloomTex");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get bloomTex", __FUNCTION__);
}
qglUniform1iARB(loc, 1);
loc = qglGetUniformLocationARB(tr.combineSp, "p_bloomsaturation");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_bloomsaturation", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_BloomSaturation->value);
loc = qglGetUniformLocationARB(tr.combineSp, "p_scenesaturation");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_scenesaturation", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_BloomSceneSaturation->value);
loc = qglGetUniformLocationARB(tr.combineSp, "p_bloomintensity");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_bloomintensity", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_BloomIntensity->value);
loc = qglGetUniformLocationARB(tr.combineSp, "p_sceneintensity");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_sceneintensity", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_BloomSceneIntensity->value);
width = glConfig.vidWidth;
height = glConfig.vidHeight;
qglBegin(GL_QUADS);
qglMultiTexCoord2iARB(GL_TEXTURE0_ARB, 0, 0);
qglMultiTexCoord2iARB(GL_TEXTURE1_ARB, 0, 0);
qglVertex2i(0, height);
qglMultiTexCoord2iARB(GL_TEXTURE0_ARB, width, 0);
qglMultiTexCoord2iARB(GL_TEXTURE1_ARB, tr.bloomWidth, 0);
qglVertex2i(width, height);
qglMultiTexCoord2iARB(GL_TEXTURE0_ARB, width, height);
qglMultiTexCoord2iARB(GL_TEXTURE1_ARB, tr.bloomWidth, tr.bloomHeight);
qglVertex2i(width, 0);
qglMultiTexCoord2iARB(GL_TEXTURE0_ARB, 0, height);
qglMultiTexCoord2iARB(GL_TEXTURE1_ARB, 0, tr.bloomHeight);
qglVertex2i(0, 0);
qglEnd();
qglUseProgramObjectARB(0);
GL_SelectTexture(1);
qglDisable(GL_TEXTURE_RECTANGLE_ARB);
qglDisable(GL_TEXTURE_2D);
GL_SelectTexture(0);
qglDisable(GL_TEXTURE_RECTANGLE_ARB);
qglEnable(GL_TEXTURE_2D);
}
static bool RB_GLSL_InitShaders( ) {
// load interation shaders
R_LoadGLSLShader( "interaction.vertex", &interactionShader, GL_VERTEX_SHADER_ARB );
R_LoadGLSLShader( "interaction.fragment", &interactionShader, GL_FRAGMENT_SHADER_ARB );
if ( interactionShader.fragmentShader == -1 ||
interactionShader.vertexShader == -1 ||
!R_LinkGLSLShader( &interactionShader, true ) &&
!R_ValidateGLSLProgram( &interactionShader ) )
{
if (interactionShader.fragmentShader != -1)
qglDeleteShader(interactionShader.fragmentShader);
if (interactionShader.vertexShader != -1)
qglDeleteShader(interactionShader.vertexShader);
interactionShader.fragmentShader = -1;
interactionShader.vertexShader = -1;
common->Printf( "GLSL interactionShader failed to init.\n" );
return false;
} else {
// set uniform locations
interactionShader.u_normalTexture = qglGetUniformLocationARB( interactionShader.program, "u_normalTexture" );
interactionShader.u_lightFalloffTexture = qglGetUniformLocationARB( interactionShader.program, "u_lightFalloffTexture" );
interactionShader.u_lightProjectionTexture = qglGetUniformLocationARB( interactionShader.program, "u_lightProjectionTexture" );
interactionShader.u_diffuseTexture = qglGetUniformLocationARB( interactionShader.program, "u_diffuseTexture" );
interactionShader.u_specularTexture = qglGetUniformLocationARB( interactionShader.program, "u_specularTexture" );
interactionShader.modelMatrix = qglGetUniformLocationARB( interactionShader.program, "u_modelMatrix" );
interactionShader.localLightOrigin = qglGetUniformLocationARB( interactionShader.program, "u_lightOrigin" );
interactionShader.localViewOrigin = qglGetUniformLocationARB( interactionShader.program, "u_viewOrigin" );
interactionShader.lightProjectionS = qglGetUniformLocationARB( interactionShader.program, "u_lightProjectionS" );
interactionShader.lightProjectionT = qglGetUniformLocationARB( interactionShader.program, "u_lightProjectionT" );
interactionShader.lightProjectionQ = qglGetUniformLocationARB( interactionShader.program, "u_lightProjectionQ" );
interactionShader.lightFalloff = qglGetUniformLocationARB( interactionShader.program, "u_lightFalloff" );
interactionShader.bumpMatrixS = qglGetUniformLocationARB( interactionShader.program, "u_bumpMatrixS" );
interactionShader.bumpMatrixT = qglGetUniformLocationARB( interactionShader.program, "u_bumpMatrixT" );
interactionShader.diffuseMatrixS = qglGetUniformLocationARB( interactionShader.program, "u_diffuseMatrixS" );
interactionShader.diffuseMatrixT = qglGetUniformLocationARB( interactionShader.program, "u_diffuseMatrixT" );
interactionShader.specularMatrixS = qglGetUniformLocationARB( interactionShader.program, "u_specularMatrixS" );
interactionShader.specularMatrixT = qglGetUniformLocationARB( interactionShader.program, "u_specularMatrixT" );
interactionShader.colorModulate = qglGetUniformLocationARB( interactionShader.program, "u_colorModulate" );
interactionShader.colorAdd = qglGetUniformLocationARB( interactionShader.program, "u_colorAdd" );
interactionShader.diffuseColor = qglGetUniformLocationARB( interactionShader.program, "u_diffuseColor" );
interactionShader.specularColor = qglGetUniformLocationARB( interactionShader.program, "u_specularColor" );
// set texture locations
qglUseProgramObjectARB( interactionShader.program );
qglUniform1iARB( interactionShader.u_normalTexture, 0 );
qglUniform1iARB( interactionShader.u_lightFalloffTexture, 1 );
qglUniform1iARB( interactionShader.u_lightProjectionTexture, 2 );
qglUniform1iARB( interactionShader.u_diffuseTexture, 3 );
qglUniform1iARB( interactionShader.u_specularTexture, 4 );
qglUseProgramObjectARB( 0 );
}
// load ambient interation shaders
R_LoadGLSLShader( "ambientInteraction.vertex", &ambientInteractionShader, GL_VERTEX_SHADER_ARB );
R_LoadGLSLShader( "ambientInteraction.fragment", &ambientInteractionShader, GL_FRAGMENT_SHADER_ARB );
if ( ambientInteractionShader.fragmentShader == -1 ||
ambientInteractionShader.vertexShader == -1 ||
!R_LinkGLSLShader( &ambientInteractionShader, true ) && !R_ValidateGLSLProgram( &ambientInteractionShader ) )
{
if (ambientInteractionShader.fragmentShader != -1)
qglDeleteShader(ambientInteractionShader.fragmentShader);
if (ambientInteractionShader.vertexShader != -1)
qglDeleteShader(ambientInteractionShader.vertexShader);
ambientInteractionShader.fragmentShader = -1;
ambientInteractionShader.vertexShader = -1;
common->Printf( "GLSL ambientInteractionShader failed to init.\n" );
return false;
} else {
// set uniform locations
ambientInteractionShader.u_normalTexture = qglGetUniformLocationARB( ambientInteractionShader.program, "u_normalTexture" );
ambientInteractionShader.u_lightFalloffTexture = qglGetUniformLocationARB( ambientInteractionShader.program, "u_lightFalloffTexture" );
ambientInteractionShader.u_lightProjectionTexture = qglGetUniformLocationARB( ambientInteractionShader.program, "u_lightProjectionTexture" );
ambientInteractionShader.u_diffuseTexture = qglGetUniformLocationARB( ambientInteractionShader.program, "u_diffuseTexture" );
ambientInteractionShader.modelMatrix = qglGetUniformLocationARB( ambientInteractionShader.program, "u_modelMatrix" );
ambientInteractionShader.localLightOrigin = qglGetUniformLocationARB( ambientInteractionShader.program, "u_lightOrigin" );
ambientInteractionShader.lightProjectionS = qglGetUniformLocationARB( ambientInteractionShader.program, "u_lightProjectionS" );
ambientInteractionShader.lightProjectionT = qglGetUniformLocationARB( ambientInteractionShader.program, "u_lightProjectionT" );
ambientInteractionShader.lightProjectionQ = qglGetUniformLocationARB( ambientInteractionShader.program, "u_lightProjectionQ" );
ambientInteractionShader.lightFalloff = qglGetUniformLocationARB( ambientInteractionShader.program, "u_lightFalloff" );
ambientInteractionShader.bumpMatrixS = qglGetUniformLocationARB( ambientInteractionShader.program, "u_bumpMatrixS" );
ambientInteractionShader.bumpMatrixT = qglGetUniformLocationARB( ambientInteractionShader.program, "u_bumpMatrixT" );
ambientInteractionShader.diffuseMatrixS = qglGetUniformLocationARB( ambientInteractionShader.program, "u_diffuseMatrixS" );
ambientInteractionShader.diffuseMatrixT = qglGetUniformLocationARB( ambientInteractionShader.program, "u_diffuseMatrixT" );
ambientInteractionShader.colorModulate = qglGetUniformLocationARB( ambientInteractionShader.program, "u_colorModulate" );
ambientInteractionShader.colorAdd = qglGetUniformLocationARB( ambientInteractionShader.program, "u_colorAdd" );
ambientInteractionShader.diffuseColor = qglGetUniformLocationARB( ambientInteractionShader.program, "u_diffuseColor" );
// set texture locations
qglUseProgramObjectARB( ambientInteractionShader.program );
qglUniform1iARB( ambientInteractionShader.u_normalTexture, 0 );
qglUniform1iARB( ambientInteractionShader.u_lightFalloffTexture, 1 );
qglUniform1iARB( ambientInteractionShader.u_lightProjectionTexture, 2 );
qglUniform1iARB( ambientInteractionShader.u_diffuseTexture, 3 );
qglUseProgramObjectARB( 0 );
}
// load stencil shadow extrusion shaders
R_LoadGLSLShader( "stencilshadow.vertex", &stencilShadowShader, GL_VERTEX_SHADER_ARB );
R_LoadGLSLShader( "stencilshadow.fragment", &stencilShadowShader, GL_FRAGMENT_SHADER_ARB );
if ( stencilShadowShader.fragmentShader == -1 ||
stencilShadowShader.vertexShader == -1 ||
!R_LinkGLSLShader( &stencilShadowShader, false ) && !R_ValidateGLSLProgram( &stencilShadowShader ) ) {
if (stencilShadowShader.fragmentShader != -1)
qglDeleteShader(stencilShadowShader.fragmentShader);
if (stencilShadowShader.vertexShader != -1)
qglDeleteShader(stencilShadowShader.vertexShader);
stencilShadowShader.fragmentShader = -1;
stencilShadowShader.vertexShader = -1;
common->Printf( "GLSL stencilShadowShader failed to init.\n" );
return false;
} else {
// set uniform locations
stencilShadowShader.localLightOrigin = qglGetUniformLocationARB( stencilShadowShader.program, "u_lightOrigin" );
}
return true;
}
/*
=============
RB_GLSL_CreateDrawInteractions
=============
*/
static void RB_GLSL_CreateDrawInteractions( const drawSurf_t *surf ) {
if ( !surf ) {
return;
}
// perform setup here that will be constant for all interactions
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHMASK | backEnd.depthFunc );
// bind the vertex and fragment program
if ( backEnd.vLight->lightShader->IsAmbientLight() ) {
if (ambientInteractionShader.program == -1)
qglUseProgramObjectARB( 0 );
else
qglUseProgramObjectARB( ambientInteractionShader.program );
} else {
if (interactionShader.program == -1)
qglUseProgramObjectARB( 0 );
else
qglUseProgramObjectARB( interactionShader.program );
}
// enable the vertex arrays
qglEnableVertexAttribArrayARB( 8 );
qglEnableVertexAttribArrayARB( 9 );
qglEnableVertexAttribArrayARB( 10 );
qglEnableVertexAttribArrayARB( 11 );
qglEnableClientState( GL_COLOR_ARRAY );
for ( ; surf ; surf=surf->nextOnLight ) {
// perform setup here that will not change over multiple interaction passes
// set the vertex pointers
idDrawVert *ac = (idDrawVert *)vertexCache.Position( surf->geo->ambientCache );
qglColorPointer( 4, GL_UNSIGNED_BYTE, sizeof( idDrawVert ), ac->color );
qglVertexAttribPointerARB( 11, 3, GL_FLOAT, false, sizeof( idDrawVert ), ac->normal.ToFloatPtr() );
qglVertexAttribPointerARB( 10, 3, GL_FLOAT, false, sizeof( idDrawVert ), ac->tangents[1].ToFloatPtr() );
qglVertexAttribPointerARB( 9, 3, GL_FLOAT, false, sizeof( idDrawVert ), ac->tangents[0].ToFloatPtr() );
qglVertexAttribPointerARB( 8, 2, GL_FLOAT, false, sizeof( idDrawVert ), ac->st.ToFloatPtr() );
qglVertexPointer( 3, GL_FLOAT, sizeof( idDrawVert ), ac->xyz.ToFloatPtr() );
// set model matrix
if ( backEnd.vLight->lightShader->IsAmbientLight() ) {
qglUniformMatrix4fvARB( ambientInteractionShader.modelMatrix, 1, false, surf->space->modelMatrix );
} else {
qglUniformMatrix4fvARB( interactionShader.modelMatrix, 1, false, surf->space->modelMatrix );
}
// this may cause RB_GLSL_DrawInteraction to be executed multiple
// times with different colors and images if the surface or light have multiple layers
RB_CreateSingleDrawInteractions( surf, RB_GLSL_DrawInteraction );
}
qglDisableVertexAttribArrayARB( 8 );
qglDisableVertexAttribArrayARB( 9 );
qglDisableVertexAttribArrayARB( 10 );
qglDisableVertexAttribArrayARB( 11 );
qglDisableClientState( GL_COLOR_ARRAY );
// disable features
GL_SelectTextureNoClient( 4 );
globalImages->BindNull();
GL_SelectTextureNoClient( 3 );
globalImages->BindNull();
GL_SelectTextureNoClient( 2 );
globalImages->BindNull();
GL_SelectTextureNoClient( 1 );
globalImages->BindNull();
backEnd.glState.currenttmu = -1;
GL_SelectTexture( 0 );
qglUseProgramObjectARB( 0 );
}
void R_Shader_FinishLightRendering() {
glDisable( GL_BLEND );
qglUseProgramObjectARB( 0 );
}