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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_sampler_cache.h"
#include "video_core/renderer_opengl/maxwell_to_gl.h"
namespace OpenGL {
SamplerCacheOpenGL::SamplerCacheOpenGL() = default;
SamplerCacheOpenGL::~SamplerCacheOpenGL() = default;
OGLSampler SamplerCacheOpenGL::CreateSampler(const Tegra::Texture::TSCEntry& tsc) const {
OGLSampler sampler;
sampler.Create();
const GLuint sampler_id{sampler.handle};
glSamplerParameteri(
sampler_id, GL_TEXTURE_MAG_FILTER,
MaxwellToGL::TextureFilterMode(tsc.mag_filter, Tegra::Texture::TextureMipmapFilter::None));
glSamplerParameteri(sampler_id, GL_TEXTURE_MIN_FILTER,
MaxwellToGL::TextureFilterMode(tsc.min_filter, tsc.mipmap_filter));
glSamplerParameteri(sampler_id, GL_TEXTURE_WRAP_S, MaxwellToGL::WrapMode(tsc.wrap_u));
glSamplerParameteri(sampler_id, GL_TEXTURE_WRAP_T, MaxwellToGL::WrapMode(tsc.wrap_v));
glSamplerParameteri(sampler_id, GL_TEXTURE_WRAP_R, MaxwellToGL::WrapMode(tsc.wrap_p));
glSamplerParameteri(sampler_id, GL_TEXTURE_COMPARE_MODE,
tsc.depth_compare_enabled == 1 ? GL_COMPARE_REF_TO_TEXTURE : GL_NONE);
glSamplerParameteri(sampler_id, GL_TEXTURE_COMPARE_FUNC,
MaxwellToGL::DepthCompareFunc(tsc.depth_compare_func));
glSamplerParameterfv(sampler_id, GL_TEXTURE_BORDER_COLOR, tsc.GetBorderColor().data());
glSamplerParameterf(sampler_id, GL_TEXTURE_MIN_LOD, tsc.GetMinLod());
glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_LOD, tsc.GetMaxLod());
glSamplerParameterf(sampler_id, GL_TEXTURE_LOD_BIAS, tsc.GetLodBias());
if (GLAD_GL_ARB_texture_filter_anisotropic) {
glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_ANISOTROPY, tsc.GetMaxAnisotropy());
} else if (GLAD_GL_EXT_texture_filter_anisotropic) {
glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_ANISOTROPY_EXT, tsc.GetMaxAnisotropy());
} else {
LOG_WARNING(Render_OpenGL, "Anisotropy not supported by host GPU driver");
}
return sampler;
}
GLuint SamplerCacheOpenGL::ToSamplerType(const OGLSampler& sampler) const {
return sampler.handle;
}
} // namespace OpenGL
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