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authorSubv <subv2112@gmail.com>2018-06-07 01:28:09 +0200
committerSubv <subv2112@gmail.com>2018-06-07 01:36:15 +0200
commit47629c89a872cb35919b1d264973e8d6633bb654 (patch)
tree13cd7b27b562641e0eafe15df637f2f5d09e70fe /src
parentGLState: Support changing the GL_TEXTURE_SWIZZLE parameter of each texture unit. (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp8
-rw-r--r--src/video_core/renderer_opengl/maxwell_to_gl.h21
-rw-r--r--src/video_core/textures/texture.h16
3 files changed, 45 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index b23b8fb29..2e90ebcf4 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -681,6 +681,14 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, GLuint program,
Surface surface = res_cache.GetTextureSurface(texture);
if (surface != nullptr) {
state.texture_units[current_bindpoint].texture_2d = surface->texture.handle;
+ state.texture_units[current_bindpoint].swizzle.r =
+ MaxwellToGL::SwizzleSource(texture.tic.x_source);
+ state.texture_units[current_bindpoint].swizzle.g =
+ MaxwellToGL::SwizzleSource(texture.tic.y_source);
+ state.texture_units[current_bindpoint].swizzle.b =
+ MaxwellToGL::SwizzleSource(texture.tic.z_source);
+ state.texture_units[current_bindpoint].swizzle.a =
+ MaxwellToGL::SwizzleSource(texture.tic.w_source);
} else {
// Can occur when texture addr is null or its memory is unmapped/invalid
state.texture_units[current_bindpoint].texture_2d = 0;
diff --git a/src/video_core/renderer_opengl/maxwell_to_gl.h b/src/video_core/renderer_opengl/maxwell_to_gl.h
index cf11983cf..2155fb019 100644
--- a/src/video_core/renderer_opengl/maxwell_to_gl.h
+++ b/src/video_core/renderer_opengl/maxwell_to_gl.h
@@ -180,4 +180,25 @@ inline GLenum BlendFunc(Maxwell::Blend::Factor factor) {
return {};
}
+inline GLenum SwizzleSource(Tegra::Texture::SwizzleSource source) {
+ switch (source) {
+ case Tegra::Texture::SwizzleSource::Zero:
+ return GL_ZERO;
+ case Tegra::Texture::SwizzleSource::R:
+ return GL_RED;
+ case Tegra::Texture::SwizzleSource::G:
+ return GL_GREEN;
+ case Tegra::Texture::SwizzleSource::B:
+ return GL_BLUE;
+ case Tegra::Texture::SwizzleSource::A:
+ return GL_ALPHA;
+ case Tegra::Texture::SwizzleSource::OneInt:
+ case Tegra::Texture::SwizzleSource::OneFloat:
+ return GL_ONE;
+ }
+ NGLOG_CRITICAL(Render_OpenGL, "Unimplemented swizzle source={}", static_cast<u32>(source));
+ UNREACHABLE();
+ return {};
+}
+
} // namespace MaxwellToGL
diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h
index f48ca30b8..a17eaf19d 100644
--- a/src/video_core/textures/texture.h
+++ b/src/video_core/textures/texture.h
@@ -122,6 +122,17 @@ enum class ComponentType : u32 {
FLOAT = 7
};
+enum class SwizzleSource : u32 {
+ Zero = 0,
+
+ R = 2,
+ G = 3,
+ B = 4,
+ A = 5,
+ OneInt = 6,
+ OneFloat = 7,
+};
+
union TextureHandle {
u32 raw;
BitField<0, 20, u32> tic_id;
@@ -139,6 +150,11 @@ struct TICEntry {
BitField<10, 3, ComponentType> g_type;
BitField<13, 3, ComponentType> b_type;
BitField<16, 3, ComponentType> a_type;
+
+ BitField<19, 3, SwizzleSource> x_source;
+ BitField<22, 3, SwizzleSource> y_source;
+ BitField<25, 3, SwizzleSource> z_source;
+ BitField<28, 3, SwizzleSource> w_source;
};
u32 address_low;
union {