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Added textureSize and mtxFromRows/Cols.

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Branimir Karadžić
2018-03-13 17:41:50 -07:00
parent fd334ae583
commit cd4b132259
1 changed files with 33 additions and 0 deletions
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33
src/bgfx_shader.sh
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@@ -242,6 +242,13 @@ vec4 bgfxTexelFetch(BgfxSampler2D _sampler, ivec2 _coord, int _lod)
return _sampler.m_texture.Load(ivec3(_coord, _lod) );
}
vec2 bgfxTextureSize(BgfxSampler2D _sampler, int _lod)
{
vec2 result;
_sampler.m_texture.GetDimensions(result.x, result.y);
return result;
}
ivec4 bgfxTexelFetch(BgfxISampler2D _sampler, ivec2 _coord, int _lod)
{
return _sampler.m_texture.Load(ivec3(_coord, _lod) );
@@ -262,6 +269,13 @@ vec4 bgfxTexelFetch(BgfxSampler3D _sampler, ivec3 _coord, int _lod)
return _sampler.m_texture.Load(ivec4(_coord, _lod) );
}
vec3 bgfxTextureSize(BgfxSampler3D _sampler, int _lod)
{
vec3 result;
_sampler.m_texture.GetDimensions(result.x, result.y, result.z);
return result;
}
# define SAMPLER2D(_name, _reg) \
uniform SamplerState _name ## Sampler : REGISTER(s, _reg); \
uniform Texture2D _name ## Texture : REGISTER(t, _reg); \
@@ -322,6 +336,7 @@ vec4 bgfxTexelFetch(BgfxSampler3D _sampler, ivec3 _coord, int _lod)
# define textureCubeLod(_sampler, _coord, _level) bgfxTextureCubeLod(_sampler, _coord, _level)
# define texelFetch(_sampler, _coord, _lod) bgfxTexelFetch(_sampler, _coord, _lod)
# define textureSize(_sampler, _lod) bgfxTextureSize(_sampler, _lod)
# else
# define sampler2DShadow sampler2D
@@ -477,6 +492,24 @@ uvec3 uvec3_splat(uint _x) { return uvec3(_x, _x, _x); }
uvec4 uvec4_splat(uint _x) { return uvec4(_x, _x, _x, _x); }
#endif // BGFX_SHADER_LANGUAGE_GLSL >= 130 || BGFX_SHADER_LANGUAGE_HLSL || BGFX_SHADER_LANGUAGE_PSSL || BGFX_SHADER_LANGUAGE_SPIRV
mat4 mtxFromRows(vec4 _0, vec4 _1, vec4 _2, vec4 _3)
{
#if BGFX_SHADER_LANGUAGE_GLSL
return transpose(mat4(_0, _1, _2, _3) );
#else
return mat4(_0, _1, _2, _3);
#endif // BGFX_SHADER_LANGUAGE_GLSL
}
mat4 mtxFromCols(vec4 _0, vec4 _1, vec4 _2, vec4 _3)
{
#if BGFX_SHADER_LANGUAGE_GLSL
return mat4(_0, _1, _2, _3);
#else
return transpose(mat4(_0, _1, _2, _3) );
#endif // BGFX_SHADER_LANGUAGE_GLSL
}
uniform vec4 u_viewRect;
uniform vec4 u_viewTexel;
uniform mat4 u_view;