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Merge pull request #789 from bunnei/tex-wrap-border 

maxwell_to_gl: Implement Texture::WrapMode::Border.
This commit is contained in:
bunnei 2018-07-24 04:44:37 -07:00 committed by GitHub
parent 2f029577c7 69c45ce71c
commit 54af9c206a
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 13 additions and 11 deletions
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9
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -601,7 +601,6 @@ void RasterizerOpenGL::SamplerInfo::Create() {
sampler.Create();
mag_filter = min_filter = Tegra::Texture::TextureFilter::Linear;
wrap_u = wrap_v = Tegra::Texture::WrapMode::Wrap;
border_color_r = border_color_g = border_color_b = border_color_a = 0;
// default is GL_LINEAR_MIPMAP_LINEAR
glSamplerParameteri(sampler.handle, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
@ -630,8 +629,12 @@ void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntr
}
if (wrap_u == Tegra::Texture::WrapMode::Border || wrap_v == Tegra::Texture::WrapMode::Border) {
// TODO(Subv): Implement border color
ASSERT(false);
const GLvec4 new_border_color = {{config.border_color_r, config.border_color_g,
config.border_color_b, config.border_color_a}};
if (border_color != new_border_color) {
border_color = new_border_color;
glSamplerParameterfv(s, GL_TEXTURE_BORDER_COLOR, border_color.data());
}
}
}

5
src/video_core/renderer_opengl/gl_rasterizer.h
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@ -77,10 +77,7 @@ private:
Tegra::Texture::TextureFilter min_filter;
Tegra::Texture::WrapMode wrap_u;
Tegra::Texture::WrapMode wrap_v;
u32 border_color_r;
u32 border_color_g;
u32 border_color_b;
u32 border_color_a;
GLvec4 border_color;
};
/// Configures the color and depth framebuffer states and returns the dirty <Color, Depth>

2
src/video_core/renderer_opengl/maxwell_to_gl.h
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@ -112,6 +112,8 @@ inline GLenum WrapMode(Tegra::Texture::WrapMode wrap_mode) {
return GL_MIRRORED_REPEAT;
case Tegra::Texture::WrapMode::ClampToEdge:
return GL_CLAMP_TO_EDGE;
case Tegra::Texture::WrapMode::Border:
return GL_CLAMP_TO_BORDER;
case Tegra::Texture::WrapMode::ClampOGL:
// TODO(Subv): GL_CLAMP was removed as of OpenGL 3.1, to implement GL_CLAMP, we can use
// GL_CLAMP_TO_BORDER to get the border color of the texture, and then sample the edge to

8
src/video_core/textures/texture.h
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@ -242,10 +242,10 @@ struct TSCEntry {
BitField<6, 2, TextureMipmapFilter> mip_filter;
};
INSERT_PADDING_BYTES(8);
u32 border_color_r;
u32 border_color_g;
u32 border_color_b;
u32 border_color_a;
float border_color_r;
float border_color_g;
float border_color_b;
float border_color_a;
};
static_assert(sizeof(TSCEntry) == 0x20, "TSCEntry has wrong size");