From d64b00435e6ef5133af4e249db19ffaafa988bb9 Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Tue, 29 Mar 2011 23:15:08 +0000
Subject: [PATCH] r_shadow_deferred now checks for r_shadow_gloss 0 and does
not use the second color attachment if so, giving a modest speed boost for
testing but deferred is still way too slow for practical use even with
this...
git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@10983 d7cf8633-e32d-0410-b094-e92efae38249
---
gl_rmain.c | 2 +-
r_shadow.c | 5 ++++-
shader_glsl.h | 22 +++++++++++++---------
3 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/gl_rmain.c b/gl_rmain.c
index 1a775d39..d5e82c56 100644
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -2888,7 +2888,7 @@ void R_SetupShader_DeferredLight(const rtlight_t *rtlight)
permutation |= SHADERPERMUTATION_CUBEFILTER;
if (diffusescale > 0)
permutation |= SHADERPERMUTATION_DIFFUSE;
- if (specularscale > 0)
+ if (specularscale > 0 && r_shadow_gloss.integer > 0)
permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
if (r_shadow_usingshadowmap2d)
{
diff --git a/r_shadow.c b/r_shadow.c
index a1dc9969..0afa3b3c 100644
--- a/r_shadow.c
+++ b/r_shadow.c
@@ -2287,7 +2287,10 @@ void R_Shadow_RenderMode_DrawDeferredLight(qboolean stenciltest, qboolean shadow
// only draw light where this geometry was already rendered AND the
// stencil is 128 (values other than this mean shadow)
R_SetStencil(stenciltest, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_EQUAL, 128, 255);
- R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ if (rsurface.rtlight->specularscale > 0 && r_shadow_gloss.integer > 0)
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL);
+ else
+ R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusefbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, NULL, NULL, NULL);
r_shadow_usingshadowmap2d = shadowmapping;
diff --git a/shader_glsl.h b/shader_glsl.h
index fd94cbcc..65a70d9e 100644
--- a/shader_glsl.h
+++ b/shader_glsl.h
@@ -917,22 +917,26 @@
" fade *= ShadowMapCompare(CubeVector);\n"
"#endif\n"
"\n"
-"#ifdef USEDIFFUSE\n"
-" gl_FragData[0] = vec4((DeferredColor_Ambient + DeferredColor_Diffuse * diffuse) * fade, 1.0);\n"
-"#else\n"
-" gl_FragData[0] = vec4(DeferredColor_Ambient * fade, 1.0);\n"
-"#endif\n"
"#ifdef USESPECULAR\n"
+" gl_FragData[0] = vec4((DeferredColor_Ambient + DeferredColor_Diffuse * diffuse) * fade, 1.0);\n"
" gl_FragData[1] = vec4(DeferredColor_Specular * (specular * fade), 1.0);\n"
-"#else\n"
-" gl_FragData[1] = vec4(0.0, 0.0, 0.0, 1.0);\n"
-"#endif\n"
-"\n"
"# ifdef USECUBEFILTER\n"
" vec3 cubecolor = dp_textureCube(Texture_Cube, CubeVector).rgb;\n"
" gl_FragData[0].rgb *= cubecolor;\n"
" gl_FragData[1].rgb *= cubecolor;\n"
"# endif\n"
+"#else\n"
+"# ifdef USEDIFFUSE\n"
+" gl_FragColor = vec4((DeferredColor_Ambient + DeferredColor_Diffuse * diffuse) * fade, 1.0);\n"
+"# else\n"
+" gl_FragColor = vec4(DeferredColor_Ambient * fade, 1.0);\n"
+"# endif\n"
+"# ifdef USECUBEFILTER\n"
+" vec3 cubecolor = dp_textureCube(Texture_Cube, CubeVector).rgb;\n"
+" gl_FragColor.rgb *= cubecolor;\n"
+"# endif\n"
+"#endif\n"
+" \n"
"}\n"
"#endif // FRAGMENT_SHADER\n"
"#else // !MODE_DEFERREDLIGHTSOURCE\n"
--
2.39.5