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OpenGL2: Add normalScale and parallaxDepth stage keywords and helper cvars.

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This commit is contained in:
SmileTheory 2014-03-03 21:02:39 -08:00
parent ea2810c085
commit ee67d0a981
7 changed files with 224 additions and 45 deletions
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146
code/renderergl2/tr_shader.c
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@ -911,6 +911,7 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
else if(!Q_stricmp(token, "normalMap") || !Q_stricmp(token, "bumpMap"))
{
stage->type = ST_NORMALMAP;
VectorSet4(stage->normalScale, r_baseNormalX->value, r_baseNormalY->value, 1.0f, r_baseParallax->value);
}
else if(!Q_stricmp(token, "normalParallaxMap") || !Q_stricmp(token, "bumpParallaxMap"))
{
@ -918,12 +919,12 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
stage->type = ST_NORMALPARALLAXMAP;
else
stage->type = ST_NORMALMAP;
VectorSet4(stage->normalScale, r_baseNormalX->value, r_baseNormalY->value, 1.0f, r_baseParallax->value);
}
else if(!Q_stricmp(token, "specularMap"))
{
stage->type = ST_SPECULARMAP;
stage->materialInfo[0] = 1.0f;
stage->materialInfo[1] = 1.0f;
VectorSet4(stage->specularScale, 1.0f, 1.0f, 1.0f, 1.0f);
}
else
{
@ -942,7 +943,9 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for specular reflectance in shader '%s'\n", shader.name );
continue;
}
stage->materialInfo[0] = atof( token );
stage->specularScale[0] =
stage->specularScale[1] =
stage->specularScale[2] = atof( token );
}
//
// specularExponent <value>
@ -964,7 +967,7 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
// 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);
stage->specularScale[3] = log(exponent) / log(8192.0);
}
//
// gloss <value>
@ -978,7 +981,103 @@ static qboolean ParseStage( shaderStage_t *stage, char **text )
continue;
}
stage->materialInfo[1] = atof( token );
stage->specularScale[3] = atof( token );
}
//
// parallaxDepth <value>
//
else if (!Q_stricmp(token, "parallaxdepth"))
{
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for parallaxDepth in shader '%s'\n", shader.name );
continue;
}
stage->normalScale[3] = atof( token );
}
//
// normalScale <xy>
// or normalScale <x> <y>
// or normalScale <x> <y> <height>
//
else if (!Q_stricmp(token, "normalscale"))
{
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for normalScale in shader '%s'\n", shader.name );
continue;
}
stage->normalScale[0] = atof( token );
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
// one value, applies to X/Y
stage->normalScale[1] = stage->normalScale[0];
continue;
}
stage->normalScale[1] = atof( token );
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
// two values, no height
continue;
}
stage->normalScale[3] = atof( token );
}
//
// specularScale <rgb> <gloss>
// or specularScale <r> <g> <b>
// or specularScale <r> <g> <b> <gloss>
//
else if (!Q_stricmp(token, "specularscale"))
{
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for specularScale in shader '%s'\n", shader.name );
continue;
}
stage->specularScale[0] = atof( token );
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for specularScale in shader '%s'\n", shader.name );
continue;
}
stage->specularScale[1] = atof( token );
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
// two values, rgb then gloss
stage->specularScale[3] = stage->specularScale[1];
stage->specularScale[1] =
stage->specularScale[2] = stage->specularScale[0];
continue;
}
stage->specularScale[2] = atof( token );
token = COM_ParseExt(text, qfalse);
if ( token[0] == 0 )
{
// three values, rgb
continue;
}
stage->specularScale[2] = atof( token );
}
//
// rgbGen
@ -2231,6 +2330,8 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse,
diffuse->bundle[TB_NORMALMAP] = normal->bundle[0];
if (parallax && r_parallaxMapping->integer)
defs |= LIGHTDEF_USE_PARALLAXMAP;
VectorCopy4(normal->normalScale, diffuse->normalScale);
}
else if ((lightmap || useLightVector || useLightVertex) && (diffuseImg = diffuse->bundle[TB_DIFFUSEMAP].image[0]))
{
@ -2251,6 +2352,8 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse,
if (parallax && r_parallaxMapping->integer)
defs |= LIGHTDEF_USE_PARALLAXMAP;
VectorSet4(diffuse->normalScale, r_baseNormalX->value, r_baseNormalY->value, 1.0f, r_baseParallax->value);
}
}
}
@ -2261,8 +2364,7 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse,
{
//ri.Printf(PRINT_ALL, ", specularmap %s", specular->bundle[0].image[0]->imgName);
diffuse->bundle[TB_SPECULARMAP] = specular->bundle[0];
diffuse->materialInfo[0] = specular->materialInfo[0];
diffuse->materialInfo[1] = specular->materialInfo[1];
VectorCopy4(specular->specularScale, diffuse->specularScale);
}
}
@ -2568,29 +2670,6 @@ static qboolean CollapseStagesToGLSL(void)
}
}
// insert default material info if needed
for (i = 0; i < MAX_SHADER_STAGES; i++)
{
shaderStage_t *pStage = &stages[i];
if (!pStage->active)
continue;
if (pStage->glslShaderGroup != tr.lightallShader)
continue;
if ((pStage->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK) == 0)
continue;
if (!pStage->bundle[TB_SPECULARMAP].image[0] && r_specularMapping->integer)
{
if (!pStage->materialInfo[0])
pStage->materialInfo[0] = r_baseSpecular->value;
if (!pStage->materialInfo[1])
pStage->materialInfo[1] = r_baseGloss->value;
}
}
return numStages;
}
@ -3216,6 +3295,13 @@ shader_t *R_FindShader( const char *name, int lightmapIndex, qboolean mipRawImag
shader.lightmapIndex = lightmapIndex;
for ( i = 0 ; i < MAX_SHADER_STAGES ; i++ ) {
stages[i].bundle[0].texMods = texMods[i];
// default normal/specular
VectorSet4(stages[i].normalScale, 0.0f, 0.0f, 0.0f, 0.0f);
stages[i].specularScale[0] =
stages[i].specularScale[1] =
stages[i].specularScale[2] = r_baseSpecular->value;
stages[i].specularScale[3] = r_baseGloss->value;
}
//