summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/bgfx/src/bgfx_shader.sh
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/bgfx/src/bgfx_shader.sh')
-rw-r--r--3rdparty/bgfx/src/bgfx_shader.sh37
1 files changed, 37 insertions, 0 deletions
diff --git a/3rdparty/bgfx/src/bgfx_shader.sh b/3rdparty/bgfx/src/bgfx_shader.sh
index e0e14cf544b..52de12e84a0 100644
--- a/3rdparty/bgfx/src/bgfx_shader.sh
+++ b/3rdparty/bgfx/src/bgfx_shader.sh
@@ -74,6 +74,16 @@ struct BgfxSampler3D
Texture3D m_texture;
};
+struct BgfxISampler3D
+{
+ Texture3D<ivec4> m_texture;
+};
+
+struct BgfxUSampler3D
+{
+ Texture3D<uvec4> m_texture;
+};
+
vec4 bgfxTexture3D(BgfxSampler3D _sampler, vec3 _coord)
{
return _sampler.m_texture.Sample(_sampler.m_sampler, _coord);
@@ -84,6 +94,20 @@ vec4 bgfxTexture3DLod(BgfxSampler3D _sampler, vec3 _coord, float _level)
return _sampler.m_texture.SampleLevel(_sampler.m_sampler, _coord, _level);
}
+ivec4 bgfxTexture3D(BgfxISampler3D _sampler, vec3 _coord)
+{
+ ivec3 size;
+ _sampler.m_texture.GetDimensions(size.x, size.y, size.z);
+ return _sampler.m_texture.Load(ivec4(_coord * size, 0) );
+}
+
+uvec4 bgfxTexture3D(BgfxUSampler3D _sampler, vec3 _coord)
+{
+ uvec3 size;
+ _sampler.m_texture.GetDimensions(size.x, size.y, size.z);
+ return _sampler.m_texture.Load(uvec4(_coord * size, 0) );
+}
+
struct BgfxSamplerCube
{
SamplerState m_sampler;
@@ -121,6 +145,12 @@ vec4 bgfxTextureCubeLod(BgfxSamplerCube _sampler, vec3 _coord, float _level)
uniform SamplerState _name ## Sampler : register(s[_reg]); \
uniform Texture3D _name ## Texture : register(t[_reg]); \
static BgfxSampler3D _name = { _name ## Sampler, _name ## Texture }
+# define ISAMPLER3D(_name, _reg) \
+ uniform Texture3D<ivec4> _name ## Texture : register(t[_reg]); \
+ static BgfxISampler3D _name = { _name ## Texture }
+# define USAMPLER3D(_name, _reg) \
+ uniform Texture3D<uvec4> _name ## Texture : register(t[_reg]); \
+ static BgfxUSampler3D _name = { _name ## Texture }
# define sampler3D BgfxSampler3D
# define texture3D(_sampler, _coord) bgfxTexture3D(_sampler, _coord)
# define texture3DLod(_sampler, _coord, _level) bgfxTexture3DLod(_sampler, _coord, _level)
@@ -247,6 +277,13 @@ vec4 mod(vec4 _a, vec4 _b) { return _a - _b * floor(_a / _b); }
# define uvec3_splat(_x) uvec3(_x)
# define uvec4_splat(_x) uvec4(_x)
+# if BGFX_SHADER_LANGUAGE_GLSL >= 130
+# define ISAMPLER3D(_name, _reg) uniform isampler3D _name
+# define USAMPLER3D(_name, _reg) uniform usampler3D _name
+ivec4 texture3D(isampler3D _sampler, vec3 _coord) { return texture(_sampler, _coord); }
+uvec4 texture3D(usampler3D _sampler, vec3 _coord) { return texture(_sampler, _coord); }
+# endif // BGFX_SHADER_LANGUAGE_GLSL >= 130
+
vec3 instMul(vec3 _vec, mat3 _mtx) { return mul(_vec, _mtx); }
vec3 instMul(mat3 _mtx, vec3 _vec) { return mul(_mtx, _vec); }
vec4 instMul(vec4 _vec, mat4 _mtx) { return mul(_vec, _mtx); }