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OpenGL2: Parallax corrected cubemap (cheaper trick)

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This commit is contained in:
SmileTheory 2014-03-16 16:29:38 -07:00
parent d0d1883895
commit 375f6247d4
4 changed files with 32 additions and 4 deletions
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13
code/renderergl2/tr_shade.c
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@ -1378,8 +1378,21 @@ static void RB_IterateStagesGeneric( shaderCommands_t *input )
// testing cube map
//
if (!(tr.viewParms.flags & VPF_NOCUBEMAPS) && input->cubemapIndex && r_cubeMapping->integer)
{
vec4_t vec;
GL_BindToTMU( tr.cubemaps[input->cubemapIndex - 1], TB_CUBEMAP);
vec[0] = tr.cubemapOrigins[input->cubemapIndex - 1][0] - backEnd.viewParms.or.origin[0];
vec[1] = tr.cubemapOrigins[input->cubemapIndex - 1][1] - backEnd.viewParms.or.origin[1];
vec[2] = tr.cubemapOrigins[input->cubemapIndex - 1][2] - backEnd.viewParms.or.origin[2];
vec[3] = 1.0f;
VectorScale4(vec, 1.0f / 1000.0f, vec);
GLSL_SetUniformVec4(sp, UNIFORM_CUBEMAPINFO, vec);
}
//
// draw
//