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fix sampler configuration, thanks to Marcos for his investigation

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This commit is contained in:
Rodolfo Bogado 2018-11-17 19:58:48 -03:00
parent b312cca756
commit 81a9c5fe6f
3 changed files with 57 additions and 19 deletions
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55
src/video_core/renderer_opengl/gl_rasterizer.cpp
View File

@ -735,9 +735,8 @@ void RasterizerOpenGL::SamplerInfo::Create() {
glSamplerParameteri(sampler.handle, GL_TEXTURE_COMPARE_FUNC, GL_NEVER);
}
void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::FullTextureInfo& info) {
void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntry& config) {
const GLuint s = sampler.handle;
const Tegra::Texture::TSCEntry& config = info.tsc;
if (mag_filter != config.mag_filter) {
mag_filter = config.mag_filter;
glSamplerParameteri(
@ -779,28 +778,50 @@ void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::FullTex
MaxwellToGL::DepthCompareFunc(depth_compare_func));
}
const GLvec4 new_border_color = {{config.border_color_r, config.border_color_g,
config.border_color_b, config.border_color_a}};
GLvec4 new_border_color;
if (config.srgb_conversion) {
new_border_color[0] = config.srgb_border_color_r / 255.0f;
new_border_color[1] = config.srgb_border_color_g / 255.0f;
new_border_color[2] = config.srgb_border_color_g / 255.0f;
} else {
new_border_color[0] = config.border_color_r;
new_border_color[1] = config.border_color_g;
new_border_color[2] = config.border_color_b;
}
new_border_color[3] = config.border_color_a;
if (border_color != new_border_color) {
border_color = new_border_color;
glSamplerParameterfv(s, GL_TEXTURE_BORDER_COLOR, border_color.data());
}
if (info.tic.use_header_opt_control == 0) {
const float anisotropic_max = static_cast<float>(1 << config.max_anisotropy.Value());
if (anisotropic_max != max_anisotropic) {
max_anisotropic = anisotropic_max;
if (GLAD_GL_ARB_texture_filter_anisotropic) {
glSamplerParameterf(s, GL_TEXTURE_MAX_ANISOTROPY,
static_cast<float>(1 << info.tic.max_anisotropy.Value()));
glSamplerParameterf(s, GL_TEXTURE_MAX_ANISOTROPY, max_anisotropic);
} else if (GLAD_GL_EXT_texture_filter_anisotropic) {
glSamplerParameterf(s, GL_TEXTURE_MAX_ANISOTROPY_EXT,
static_cast<float>(1 << info.tic.max_anisotropy.Value()));
glSamplerParameterf(s, GL_TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropic);
}
glSamplerParameterf(s, GL_TEXTURE_MIN_LOD,
static_cast<float>(info.tic.res_min_mip_level.Value()));
glSamplerParameterf(s, GL_TEXTURE_MAX_LOD,
static_cast<float>(info.tic.res_max_mip_level.Value() == 0
? 16
: info.tic.res_max_mip_level.Value()));
glSamplerParameterf(s, GL_TEXTURE_LOD_BIAS, info.tic.mip_lod_bias.Value() / 256.f);
}
const float lod_min = static_cast<float>(config.min_lod_clamp.Value()) / 256.0f;
if (lod_min != min_lod) {
min_lod = lod_min;
glSamplerParameterf(s, GL_TEXTURE_MIN_LOD, min_lod);
}
const float lod_max = static_cast<float>(config.max_lod_clamp.Value()) / 256.0f;
if (lod_max != max_lod) {
max_lod = lod_max;
glSamplerParameterf(s, GL_TEXTURE_MAX_LOD, max_lod);
}
const u32 bias = config.mip_lod_bias.Value();
// Sign extend the 13-bit value.
const u32 mask = 1U << (13 - 1);
const float bias_lod = static_cast<s32>((bias ^ mask) - mask) / 256.f;
if (lod_bias != bias_lod) {
lod_bias = bias_lod;
glSamplerParameterf(s, GL_TEXTURE_LOD_BIAS, lod_bias);
}
}
@ -899,7 +920,7 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
continue;
}
texture_samplers[current_bindpoint].SyncWithConfig(texture);
texture_samplers[current_bindpoint].SyncWithConfig(texture.tsc);
Surface surface = res_cache.GetTextureSurface(texture, entry);
if (surface != nullptr) {
state.texture_units[current_bindpoint].texture = surface->Texture().handle;

6
src/video_core/renderer_opengl/gl_rasterizer.h
View File

@ -88,7 +88,7 @@ private:
/// SamplerInfo struct.
void Create();
/// Syncs the sampler object with the config, updating any necessary state.
void SyncWithConfig(const Tegra::Texture::FullTextureInfo& info);
void SyncWithConfig(const Tegra::Texture::TSCEntry& info);
private:
Tegra::Texture::TextureFilter mag_filter;
@ -100,6 +100,10 @@ private:
bool uses_depth_compare;
Tegra::Texture::DepthCompareFunc depth_compare_func;
GLvec4 border_color;
float min_lod;
float max_lod;
float lod_bias;
float max_anisotropic;
};
/**

15
src/video_core/textures/texture.h
View File

@ -190,6 +190,7 @@ struct TICEntry {
union {
BitField<0, 4, u32> res_min_mip_level;
BitField<4, 4, u32> res_max_mip_level;
BitField<12, 12, u32> min_lod_clamp;
};
GPUVAddr Address() const {
@ -284,13 +285,25 @@ struct TSCEntry {
BitField<6, 3, WrapMode> wrap_p;
BitField<9, 1, u32> depth_compare_enabled;
BitField<10, 3, DepthCompareFunc> depth_compare_func;
BitField<13, 1, u32> srgb_conversion;
BitField<20, 3, u32> max_anisotropy;
};
union {
BitField<0, 2, TextureFilter> mag_filter;
BitField<4, 2, TextureFilter> min_filter;
BitField<6, 2, TextureMipmapFilter> mip_filter;
BitField<9, 1, u32> cubemap_interface_filtering;
BitField<12, 13, u32> mip_lod_bias;
};
union {
BitField<0, 12, u32> min_lod_clamp;
BitField<12, 12, u32> max_lod_clamp;
BitField<24, 8, u32> srgb_border_color_r;
};
union {
BitField<12, 8, u32> srgb_border_color_g;
BitField<20, 8, u32> srgb_border_color_b;
};
INSERT_PADDING_BYTES(8);
float border_color_r;
float border_color_g;
float border_color_b;