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#5979: Cubemap support for opengl2.

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This commit is contained in:
SmileTheory 2013-09-16 00:54:26 -07:00
parent 68a616c7f1
commit 7e875c6941
23 changed files with 1268 additions and 516 deletions
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70
code/renderergl2/tr_shader.c
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@ -910,8 +910,8 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
else if(!Q_stricmp(token, "specularMap"))
{
stage->type = ST_SPECULARMAP;
stage->materialInfo[0] = 0.04f;
stage->materialInfo[1] = 256.0f;
stage->materialInfo[0] = 1.0f;
stage->materialInfo[1] = 1.0f;
}
else
{
@ -937,12 +937,35 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
//
else if (!Q_stricmp(token, "specularexponent"))
{
float exponent;
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for specular exponent in shader '%s'\n", shader.name );
continue;
}
exponent = atof( token );
// Change shininess to gloss
// FIXME: assumes max exponent of 8192 and min of 1, must change here if altered in lightall_fp.glsl
exponent = CLAMP(exponent, 1.0, 8192.0);
stage->materialInfo[1] = log(exponent) / log(8192.0);
}
//
// gloss <value>
//
else if (!Q_stricmp(token, "gloss"))
{
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for gloss in shader '%s'\n", shader.name );
continue;
}
stage->materialInfo[1] = atof( token );
}
//
@ -1926,7 +1949,7 @@ static void ComputeVertexAttribs(void)
shader.vertexAttribs |= ATTR_NORMAL;
#ifdef USE_VERT_TANGENT_SPACE
if (pStage->glslShaderIndex & LIGHTDEF_USE_NORMALMAP)
if ((pStage->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK) && !(r_normalMapping->integer == 0 && r_specularMapping->integer == 0))
{
shader.vertexAttribs |= ATTR_BITANGENT | ATTR_TANGENT;
}
@ -2200,7 +2223,6 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse,
{
//ri.Printf(PRINT_ALL, ", normalmap %s", normal->bundle[0].image[0]->imgName);
diffuse->bundle[TB_NORMALMAP] = normal->bundle[0];
defs |= LIGHTDEF_USE_NORMALMAP;
if (parallax && r_parallaxMapping->integer)
defs |= LIGHTDEF_USE_PARALLAXMAP;
}
@ -2218,13 +2240,22 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse,
if (normalImg)
{
diffuse->bundle[TB_NORMALMAP] = diffuse->bundle[0];
diffuse->bundle[TB_NORMALMAP].numImageAnimations = 0;
diffuse->bundle[TB_NORMALMAP].image[0] = normalImg;
defs |= LIGHTDEF_USE_NORMALMAP;
if (parallax && r_parallaxMapping->integer)
defs |= LIGHTDEF_USE_PARALLAXMAP;
}
}
if (!diffuse->bundle[TB_NORMALMAP].image[0])
{
// use 0x80 image, shader will interpret as (0,0,1)
diffuse->bundle[TB_NORMALMAP] = diffuse->bundle[0];
diffuse->bundle[TB_NORMALMAP].numImageAnimations = 0;
diffuse->bundle[TB_NORMALMAP].image[0] = tr.greyImage;
//ri.Printf(PRINT_ALL, ", normalmap %s", diffuse->bundle[TB_NORMALMAP].image[0]->imgName);
}
}
if (r_specularMapping->integer)
@ -2235,7 +2266,18 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse,
diffuse->bundle[TB_SPECULARMAP] = specular->bundle[0];
diffuse->materialInfo[0] = specular->materialInfo[0];
diffuse->materialInfo[1] = specular->materialInfo[1];
defs |= LIGHTDEF_USE_SPECULARMAP;
}
else if (lightmap || useLightVector || useLightVertex)
{
// use a white image, materialinfo will do the rest
diffuse->bundle[TB_SPECULARMAP] = diffuse->bundle[0];
diffuse->bundle[TB_SPECULARMAP].numImageAnimations = 0;
diffuse->bundle[TB_SPECULARMAP].image[0] = tr.whiteImage;
if (!diffuse->materialInfo[0])
diffuse->materialInfo[0] = r_baseSpecular->value;
if (!diffuse->materialInfo[1])
diffuse->materialInfo[1] = r_baseGloss->value;
//ri.Printf(PRINT_ALL, ", specularmap %s", diffuse->bundle[TB_SPECULARMAP].image[0]->imgName);
}
}
@ -2539,6 +2581,22 @@ static qboolean CollapseStagesToGLSL(void)
}
}
// convert any remaining lightingdiffuse stages to a lighting pass
for (i = 0; i < MAX_SHADER_STAGES; i++)
{
shaderStage_t *pStage = &stages[i];
if (!pStage->active)
continue;
if (pStage->rgbGen == CGEN_LIGHTING_DIFFUSE)
{
pStage->glslShaderGroup = tr.lightallShader;
pStage->glslShaderIndex = LIGHTDEF_USE_LIGHT_VECTOR;
}
}
return numStages;
}