Method Load

source/common/rendering/gl/gl_shader.cpp:213–647

}

bool FShader::Load(const char * name, const char * vert_prog_lump, const char * frag_prog_lump, const char * proc_prog_lump, const char * light_fragprog, const char * defines)
{
	static char buffer[10000];
	FString error;

	FString i_data = R"(
		// these settings are actually pointless but there seem to be some old ATI drivers that fail to compile the shader without setting the precision here.
		precision highp int;
		precision highp float;

		// This must match the HWViewpointUniforms struct
		layout(std140) uniform ViewpointUBO {
			mat4 ProjectionMatrix;
			mat4 ViewMatrix;
			mat4 NormalViewMatrix;

			vec4 uCameraPos;
			vec4 uClipLine;

			float uGlobVis;			// uGlobVis = R_GetGlobVis(r_visibility) / 32.0
			int uPalLightLevels;	
			int uViewHeight;		// Software fuzz scaling
			float uClipHeight;
			float uClipHeightDirection;
			int uShadowmapFilter;
			
			int uLightBlendMode;
		};

		uniform int uTextureMode;
		uniform vec2 uClipSplit;
		uniform float uAlphaThreshold;

		// colors
		uniform vec4 uObjectColor;
		uniform vec4 uObjectColor2;
		uniform vec4 uDynLightColor;
		uniform vec4 uAddColor;
		uniform vec4 uTextureBlendColor;
		uniform vec4 uTextureModulateColor;
		uniform vec4 uTextureAddColor;
		uniform vec4 uFogColor;
		uniform float uDesaturationFactor;
		uniform float uInterpolationFactor;

		// Glowing walls stuff
		uniform vec4 uGlowTopPlane;
		uniform vec4 uGlowTopColor;
		uniform vec4 uGlowBottomPlane;
		uniform vec4 uGlowBottomColor;

		uniform vec4 uGradientTopPlane;
		uniform vec4 uGradientBottomPlane;

		uniform vec4 uSplitTopPlane;
		uniform vec4 uSplitBottomPlane;

		uniform vec4 uDetailParms;