diff options
Diffstat (limited to 'src/renderergl2/tr_shader.c')
| -rw-r--r-- | src/renderergl2/tr_shader.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/renderergl2/tr_shader.c b/src/renderergl2/tr_shader.c index 68b5cb60..98e8776e 100644 --- a/src/renderergl2/tr_shader.c +++ b/src/renderergl2/tr_shader.c @@ -2213,12 +2213,33 @@ static void CollapseStagesToLightall(shaderStage_t *diffuse, if (r_specularMapping->integer) { + image_t *diffuseImg; if (specular) { //ri.Printf(PRINT_ALL, ", specularmap %s", specular->bundle[0].image[0]->imgName); diffuse->bundle[TB_SPECULARMAP] = specular->bundle[0]; VectorCopy4(specular->specularScale, diffuse->specularScale); } + else if ((lightmap || useLightVector || useLightVertex) && (diffuseImg = diffuse->bundle[TB_DIFFUSEMAP].image[0])) + { + char specularName[MAX_QPATH]; + image_t *specularImg; + imgFlags_t specularFlags = (diffuseImg->flags & ~(IMGFLAG_GENNORMALMAP | IMGFLAG_SRGB)) | IMGFLAG_NOLIGHTSCALE; + + COM_StripExtension(diffuseImg->imgName, specularName, MAX_QPATH); + Q_strcat(specularName, MAX_QPATH, "_s"); + + specularImg = R_FindImageFile(specularName, IMGTYPE_COLORALPHA, specularFlags); + + if (specularImg) + { + diffuse->bundle[TB_SPECULARMAP] = diffuse->bundle[0]; + diffuse->bundle[TB_SPECULARMAP].numImageAnimations = 0; + diffuse->bundle[TB_SPECULARMAP].image[0] = specularImg; + + VectorSet4(diffuse->specularScale, 1.0f, 1.0f, 1.0f, 1.0f); + } + } } if (tcgen || diffuse->bundle[0].numTexMods) |