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Fix GL error by properly using float uniform

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clayjohn 2019-11-21 07:44:09 -08:00
parent 37b230fe3a
commit 203fb1b348
2 changed files with 3 additions and 3 deletions
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2
drivers/gles3/rasterizer_storage_gles3.cpp
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@ -1853,7 +1853,7 @@ void RasterizerStorageGLES3::sky_set_texture(RID p_sky, RID p_panorama, int p_ra
// Very large Panoramas require way too much effort to compute irradiance so use a mipmap
// level that corresponds to a panorama of 1024x512
shaders.cubemap_filter.set_uniform(CubemapFilterShaderGLES3::SOURCE_MIP_LEVEL, MAX(Math::log(float(texture->width)) / Math::log(2.0f) - 10.0f, 0.0f));
shaders.cubemap_filter.set_uniform(CubemapFilterShaderGLES3::SOURCE_MIP_LEVEL, MAX(Math::floor(Math::log(float(texture->width)) / Math::log(2.0f)) - 10.0f, 0.0f));
for (int i = 0; i < 2; i++) {
glViewport(0, i * size, size, size);

4
drivers/gles3/shaders/cubemap_filter.glsl
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@ -35,7 +35,7 @@ uniform sampler2D source_dual_paraboloid; //texunit:0
#endif
#if defined(USE_SOURCE_DUAL_PARABOLOID) || defined(COMPUTE_IRRADIANCE)
uniform int source_mip_level;
uniform float source_mip_level;
#endif
#if !defined(USE_SOURCE_DUAL_PARABOLOID_ARRAY) && !defined(USE_SOURCE_PANORAMA) && !defined(USE_SOURCE_DUAL_PARABOLOID)
@ -236,7 +236,7 @@ vec4 textureDualParaboloid(vec3 normal) {
if (norm.z < 0.0) {
norm.y = 0.5 - norm.y + 0.5;
}
return textureLod(source_dual_paraboloid, norm.xy, float(source_mip_level));
return textureLod(source_dual_paraboloid, norm.xy, source_mip_level);
}
#endif