mirror of
https://github.com/ZDoom/gzdoom-gles.git
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5849c83028
Added gl_renderbuffers CVAR that disables render buffers Added patch shader support to FShaderProgram Added OpenGL 2 fallback support to render buffers
68 lines
1.2 KiB
C
68 lines
1.2 KiB
C
#ifndef R_RENDER
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#define R_RENDER
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#include "basictypes.h"
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enum GLCompat
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{
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CMPT_GL2,
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CMPT_GL2_SHADER,
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CMPT_GL3,
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CMPT_GL4
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};
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enum RenderFlags
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{
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// [BB] Added texture compression flags.
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RFL_TEXTURE_COMPRESSION=1,
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RFL_TEXTURE_COMPRESSION_S3TC=2,
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RFL_SHADER_STORAGE_BUFFER = 4,
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RFL_BUFFER_STORAGE = 8,
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RFL_SAMPLER_OBJECTS = 16,
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RFL_NO_RGBA16F = 32,
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RFL_NO_DEPTHSTENCIL = 64
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};
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enum TexMode
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{
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TM_MODULATE = 0, // (r, g, b, a)
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TM_MASK, // (1, 1, 1, a)
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TM_OPAQUE, // (r, g, b, 1)
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TM_INVERSE, // (1-r, 1-g, 1-b, a)
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TM_REDTOALPHA, // (1, 1, 1, r)
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TM_CLAMPY, // (r, g, b, (t >= 0.0 && t <= 1.0)? a:0)
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TM_INVERTOPAQUE, // used by GL 2.x fallback code.
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};
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enum ELightMethod
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{
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LM_SOFTWARE = 0, // multi-pass texturing
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LM_DEFERRED = 1, // calculate lights up front in a separate pass
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LM_DIRECT = 2, // calculate lights on the fly along with the render data
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};
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struct RenderContext
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{
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unsigned int flags;
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unsigned int maxuniforms;
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unsigned int maxuniformblock;
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unsigned int uniformblockalignment;
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int lightmethod;
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float version;
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float glslversion;
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int max_texturesize;
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char * vendorstring;
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int MaxLights() const
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{
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return maxuniforms>=2048? 128:64;
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}
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};
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extern RenderContext gl;
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#endif
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