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OpenGL2: remove lightmap support from generic glsl shader. 

This path was barely used and doing this compiles fewer shaders.
This commit is contained in:
SmileTheory 2014-11-10 21:59:37 -08:00
parent 1d016e6ff5
commit b1821e303d
6 changed files with 3 additions and 238 deletions
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33
code/renderergl2/glsl/generic_fp.glsl
View File

@ -1,45 +1,12 @@
uniform sampler2D u_DiffuseMap;
#if defined(USE_LIGHTMAP)
uniform sampler2D u_LightMap;
uniform int u_Texture1Env;
#endif
varying vec2 var_DiffuseTex;
#if defined(USE_LIGHTMAP)
varying vec2 var_LightTex;
#endif
varying vec4 var_Color;
void main()
{
vec4 color = texture2D(u_DiffuseMap, var_DiffuseTex);
#if defined(USE_LIGHTMAP)
vec4 color2 = texture2D(u_LightMap, var_LightTex);
#if defined(RGBM_LIGHTMAP)
color2.rgb *= color2.a;
color2.a = 1.0;
#endif
if (u_Texture1Env == TEXENV_MODULATE)
{
color *= color2;
}
else if (u_Texture1Env == TEXENV_ADD)
{
color += color2;
}
else if (u_Texture1Env == TEXENV_REPLACE)
{
color = color2;
}
//color = color * (u_Texture1Env.xxxx + color2 * u_Texture1Env.z) + color2 * u_Texture1Env.y;
#endif
gl_FragColor = color * var_Color;
}

9
code/renderergl2/glsl/generic_vp.glsl
View File

@ -9,7 +9,7 @@ attribute vec3 attr_Normal2;
attribute vec4 attr_Color;
attribute vec4 attr_TexCoord0;
#if defined(USE_LIGHTMAP) || defined(USE_TCGEN)
#if defined(USE_TCGEN)
attribute vec4 attr_TexCoord1;
#endif
@ -57,9 +57,6 @@ uniform float u_VertexLerp;
#endif
varying vec2 var_DiffuseTex;
#if defined(USE_LIGHTMAP)
varying vec2 var_LightTex;
#endif
varying vec4 var_Color;
#if defined(USE_DEFORM_VERTEXES)
@ -230,10 +227,6 @@ void main()
var_DiffuseTex = tex;
#endif
#if defined(USE_LIGHTMAP)
var_LightTex = attr_TexCoord1.st;
#endif
#if defined(USE_RGBAGEN)
var_Color = CalcColor(position, normal);
#else

12
code/renderergl2/tr_glsl.c
View File

@ -90,7 +90,6 @@ static uniformInfo_t uniformsInfo[] =
{ "u_DiffuseTexMatrix", GLSL_VEC4 },
{ "u_DiffuseTexOffTurb", GLSL_VEC4 },
{ "u_Texture1Env", GLSL_INT },
{ "u_TCGen0", GLSL_INT },
{ "u_TCGen0Vector0", GLSL_VEC3 },
@ -919,12 +918,6 @@ void GLSL_InitGPUShaders(void)
if (i & GENERICDEF_USE_RGBAGEN)
Q_strcat(extradefines, 1024, "#define USE_RGBAGEN\n");
if (i & GENERICDEF_USE_LIGHTMAP)
Q_strcat(extradefines, 1024, "#define USE_LIGHTMAP\n");
if (r_hdr->integer && !glRefConfig.floatLightmap)
Q_strcat(extradefines, 1024, "#define RGBM_LIGHTMAP\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!");
@ -1495,11 +1488,6 @@ shaderProgram_t *GLSL_GetGenericShaderProgram(int stage)
shaderAttribs |= GENERICDEF_USE_FOG;
}
if (pStage->bundle[1].image[0] && tess.shader->multitextureEnv)
{
shaderAttribs |= GENERICDEF_USE_LIGHTMAP;
}
switch (pStage->rgbGen)
{
case CGEN_LIGHTING_DIFFUSE:

8
code/renderergl2/tr_local.h
View File

@ -451,8 +451,6 @@ typedef struct shader_s {
float portalRange; // distance to fog out at
qboolean isPortal;
int multitextureEnv; // 0, GL_MODULATE, GL_ADD (FIXME: put in stage)
cullType_t cullType; // CT_FRONT_SIDED, CT_BACK_SIDED, or CT_TWO_SIDED
qboolean polygonOffset; // set for decals and other items that must be offset
qboolean noMipMaps; // for console fonts, 2D elements, etc.
@ -563,9 +561,8 @@ enum
GENERICDEF_USE_VERTEX_ANIMATION = 0x0004,
GENERICDEF_USE_FOG = 0x0008,
GENERICDEF_USE_RGBAGEN = 0x0010,
GENERICDEF_USE_LIGHTMAP = 0x0020,
GENERICDEF_ALL = 0x003F,
GENERICDEF_COUNT = 0x0040,
GENERICDEF_ALL = 0x001F,
GENERICDEF_COUNT = 0x0020,
};
enum
@ -637,7 +634,6 @@ typedef enum
UNIFORM_DIFFUSETEXMATRIX,
UNIFORM_DIFFUSETEXOFFTURB,
UNIFORM_TEXTURE1ENV,
UNIFORM_TCGEN0,
UNIFORM_TCGEN0VECTOR0,

12
code/renderergl2/tr_shade.c
View File

@ -1351,16 +1351,6 @@ static void RB_IterateStagesGeneric( shaderCommands_t *input )
else if ( pStage->bundle[1].image[0] != 0 )
{
R_BindAnimatedImageToTMU( &pStage->bundle[0], 0 );
//
// lightmap/secondary pass
//
if ( r_lightmap->integer ) {
GLSL_SetUniformInt(sp, UNIFORM_TEXTURE1ENV, GL_REPLACE);
} else {
GLSL_SetUniformInt(sp, UNIFORM_TEXTURE1ENV, tess.shader->multitextureEnv);
}
R_BindAnimatedImageToTMU( &pStage->bundle[1], 1 );
}
else
@ -1369,8 +1359,6 @@ static void RB_IterateStagesGeneric( shaderCommands_t *input )
// set state
//
R_BindAnimatedImageToTMU( &pStage->bundle[0], 0 );
GLSL_SetUniformInt(sp, UNIFORM_TEXTURE1ENV, 0);
}
//

167
code/renderergl2/tr_shader.c
View File

@ -2122,161 +2122,6 @@ static void ComputeVertexAttribs(void)
}
}
typedef struct {
int blendA;
int blendB;
int multitextureEnv;
int multitextureBlend;
} collapse_t;
static collapse_t collapse[] = {
{ 0, GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO,
GL_MODULATE, 0 },
{ 0, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR,
GL_MODULATE, 0 },
{ GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR,
GL_MODULATE, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR },
{ GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR,
GL_MODULATE, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR },
{ GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR, GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO,
GL_MODULATE, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR },
{ GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO, GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO,
GL_MODULATE, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR },
{ 0, GLS_DSTBLEND_ONE | GLS_SRCBLEND_ONE,
GL_ADD, 0 },
{ GLS_DSTBLEND_ONE | GLS_SRCBLEND_ONE, GLS_DSTBLEND_ONE | GLS_SRCBLEND_ONE,
GL_ADD, GLS_DSTBLEND_ONE | GLS_SRCBLEND_ONE },
#if 0
{ 0, GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_SRCBLEND_SRC_ALPHA,
GL_DECAL, 0 },
#endif
{ -1 }
};
/*
================
CollapseMultitexture
Attempt to combine two stages into a single multitexture stage
FIXME: I think modulated add + modulated add collapses incorrectly
=================
*/
static qboolean CollapseMultitexture( void ) {
int abits, bbits;
int i;
textureBundle_t tmpBundle;
if ( !qglActiveTextureARB ) {
return qfalse;
}
// make sure both stages are active
if ( !stages[0].active || !stages[1].active ) {
return qfalse;
}
// on voodoo2, don't combine different tmus
if ( glConfig.driverType == GLDRV_VOODOO ) {
if ( stages[0].bundle[0].image[0]->TMU ==
stages[1].bundle[0].image[0]->TMU ) {
return qfalse;
}
}
abits = stages[0].stateBits;
bbits = stages[1].stateBits;
// make sure that both stages have identical state other than blend modes
if ( ( abits & ~( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS | GLS_DEPTHMASK_TRUE ) ) !=
( bbits & ~( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS | GLS_DEPTHMASK_TRUE ) ) ) {
return qfalse;
}
abits &= ( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS );
bbits &= ( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS );
// search for a valid multitexture blend function
for ( i = 0; collapse[i].blendA != -1 ; i++ ) {
if ( abits == collapse[i].blendA
&& bbits == collapse[i].blendB ) {
break;
}
}
// nothing found
if ( collapse[i].blendA == -1 ) {
return qfalse;
}
// GL_ADD is a separate extension
if ( collapse[i].multitextureEnv == GL_ADD && !glConfig.textureEnvAddAvailable ) {
return qfalse;
}
// make sure waveforms have identical parameters
if ( ( stages[0].rgbGen != stages[1].rgbGen ) ||
( stages[0].alphaGen != stages[1].alphaGen ) ) {
return qfalse;
}
// an add collapse can only have identity colors
if ( collapse[i].multitextureEnv == GL_ADD && stages[0].rgbGen != CGEN_IDENTITY ) {
return qfalse;
}
if ( stages[0].rgbGen == CGEN_WAVEFORM )
{
if ( memcmp( &stages[0].rgbWave,
&stages[1].rgbWave,
sizeof( stages[0].rgbWave ) ) )
{
return qfalse;
}
}
if ( stages[0].alphaGen == AGEN_WAVEFORM )
{
if ( memcmp( &stages[0].alphaWave,
&stages[1].alphaWave,
sizeof( stages[0].alphaWave ) ) )
{
return qfalse;
}
}
// make sure that lightmaps are in bundle 1 for 3dfx
if ( stages[0].bundle[0].isLightmap )
{
tmpBundle = stages[0].bundle[0];
stages[0].bundle[0] = stages[1].bundle[0];
stages[0].bundle[1] = tmpBundle;
}
else
{
stages[0].bundle[1] = stages[1].bundle[0];
}
// set the new blend state bits
shader.multitextureEnv = collapse[i].multitextureEnv;
stages[0].stateBits &= ~( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS );
stages[0].stateBits |= collapse[i].multitextureBlend;
//
// move down subsequent shaders
//
memmove( &stages[1], &stages[2], sizeof( stages[0] ) * ( MAX_SHADER_STAGES - 2 ) );
Com_Memset( &stages[MAX_SHADER_STAGES-1], 0, sizeof( stages[0] ) );
return qtrue;
}
static void CollapseStagesToLightall(shaderStage_t *diffuse,
shaderStage_t *normal, shaderStage_t *specular, shaderStage_t *lightmap,
@ -2607,9 +2452,6 @@ static int CollapseStagesToGLSL(void)
numStages++;
}
if (numStages == i && i >= 2 && CollapseMultitexture())
numStages--;
// convert any remaining lightmap stages to a lighting pass with a white texture
// only do this with r_sunlightMode non-zero, as it's only for correct shadows.
if (r_sunlightMode->integer && shader.numDeforms == 0)
@ -3647,15 +3489,6 @@ void R_ShaderList_f (void) {
} else {
ri.Printf (PRINT_ALL, " ");
}
if ( shader->multitextureEnv == GL_ADD ) {
ri.Printf( PRINT_ALL, "MT(a) " );
} else if ( shader->multitextureEnv == GL_MODULATE ) {
ri.Printf( PRINT_ALL, "MT(m) " );
} else if ( shader->multitextureEnv == GL_DECAL ) {
ri.Printf( PRINT_ALL, "MT(d) " );
} else {
ri.Printf( PRINT_ALL, " " );
}
if ( shader->explicitlyDefined ) {
ri.Printf( PRINT_ALL, "E " );
} else {