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Merge pull request #968 from Subv/texture_filtering

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GPU: Added registers for min and mag texture filters
This commit is contained in:
bunnei 2015-07-21 18:27:50 -04:00
commit 3a5352baf8
4 changed files with 37 additions and 3 deletions
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7
src/video_core/pica.h
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@ -119,6 +119,11 @@ struct Regs {
MirroredRepeat = 3,
};
enum TextureFilter : u32 {
Nearest = 0,
Linear = 1
};
union {
BitField< 0, 8, u32> r;
BitField< 8, 8, u32> g;
@ -132,6 +137,8 @@ struct Regs {
};
union {
BitField< 1, 1, TextureFilter> mag_filter;
BitField< 2, 1, TextureFilter> min_filter;
BitField< 8, 2, WrapMode> wrap_t;
BitField<12, 2, WrapMode> wrap_s;
};

1
src/video_core/rasterizer.cpp
View file

@ -460,6 +460,7 @@ static void ProcessTriangleInternal(const VertexShader::OutputVertex& v0,
u8* texture_data = Memory::GetPhysicalPointer(texture.config.GetPhysicalAddress());
auto info = DebugUtils::TextureInfo::FromPicaRegister(texture.config, texture.format);
// TODO: Apply the min and mag filters to the texture
texture_color[i] = DebugUtils::LookupTexture(texture_data, s, t, info);
DebugUtils::DumpTexture(texture.config, texture_data);
}

5
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
View file

@ -31,9 +31,8 @@ void RasterizerCacheOpenGL::LoadAndBindTexture(OpenGLState &state, unsigned text
state.texture_units[texture_unit].texture_2d = new_texture->texture.handle;
state.Apply();
// TODO: Need to choose filters that correspond to PICA once register is declared
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, PicaToGL::TextureFilterMode(config.config.mag_filter));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, PicaToGL::TextureFilterMode(config.config.min_filter));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, PicaToGL::WrapMode(config.config.wrap_s));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, PicaToGL::WrapMode(config.config.wrap_t));

27
src/video_core/renderer_opengl/pica_to_gl.h
View file

@ -12,6 +12,33 @@
namespace PicaToGL {
inline GLenum TextureFilterMode(Pica::Regs::TextureConfig::TextureFilter mode) {
static const GLenum filter_mode_table[] = {
GL_NEAREST, // TextureFilter::Nearest
GL_LINEAR // TextureFilter::Linear
};
// Range check table for input
if (mode >= ARRAY_SIZE(filter_mode_table)) {
LOG_CRITICAL(Render_OpenGL, "Unknown texture filtering mode %d", mode);
UNREACHABLE();
return GL_LINEAR;
}
GLenum gl_mode = filter_mode_table[mode];
// Check for dummy values indicating an unknown mode
if (gl_mode == 0) {
LOG_CRITICAL(Render_OpenGL, "Unknown texture filtering mode %d", mode);
UNIMPLEMENTED();
return GL_LINEAR;
}
return gl_mode;
}
inline GLenum WrapMode(Pica::Regs::TextureConfig::WrapMode mode) {
static const GLenum wrap_mode_table[] = {
GL_CLAMP_TO_EDGE, // WrapMode::ClampToEdge