forked from suyu/suyu
82 lines
3.1 KiB
C++
82 lines
3.1 KiB
C++
// Copyright 2015 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <memory>
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#include "common/hash.h"
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#include "common/math_util.h"
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#include "common/microprofile.h"
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#include "common/vector_math.h"
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#include "core/memory.h"
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#include "video_core/debug_utils/debug_utils.h"
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#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
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#include "video_core/renderer_opengl/pica_to_gl.h"
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RasterizerCacheOpenGL::~RasterizerCacheOpenGL() {
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InvalidateAll();
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}
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MICROPROFILE_DEFINE(OpenGL_TextureUpload, "OpenGL", "Texture Upload", MP_RGB(128, 64, 192));
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void RasterizerCacheOpenGL::LoadAndBindTexture(OpenGLState &state, unsigned texture_unit, const Pica::DebugUtils::TextureInfo& info) {
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const auto cached_texture = texture_cache.find(info.physical_address);
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if (cached_texture != texture_cache.end()) {
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state.texture_units[texture_unit].texture_2d = cached_texture->second->texture.handle;
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state.Apply();
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} else {
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MICROPROFILE_SCOPE(OpenGL_TextureUpload);
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std::unique_ptr<CachedTexture> new_texture = std::make_unique<CachedTexture>();
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new_texture->texture.Create();
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state.texture_units[texture_unit].texture_2d = new_texture->texture.handle;
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state.Apply();
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glActiveTexture(GL_TEXTURE0 + texture_unit);
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u8* texture_src_data = Memory::GetPhysicalPointer(info.physical_address);
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new_texture->width = info.width;
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new_texture->height = info.height;
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new_texture->size = info.stride * info.height;
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new_texture->addr = info.physical_address;
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new_texture->hash = Common::ComputeHash64(texture_src_data, new_texture->size);
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std::unique_ptr<Math::Vec4<u8>[]> temp_texture_buffer_rgba(new Math::Vec4<u8>[info.width * info.height]);
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for (int y = 0; y < info.height; ++y) {
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for (int x = 0; x < info.width; ++x) {
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temp_texture_buffer_rgba[x + info.width * y] = Pica::DebugUtils::LookupTexture(texture_src_data, x, info.height - 1 - y, info);
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}
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}
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, info.width, info.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, temp_texture_buffer_rgba.get());
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texture_cache.emplace(info.physical_address, std::move(new_texture));
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}
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}
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void RasterizerCacheOpenGL::InvalidateInRange(PAddr addr, u32 size, bool ignore_hash) {
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// TODO: Optimize by also inserting upper bound (addr + size) of each texture into the same map and also narrow using lower_bound
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auto cache_upper_bound = texture_cache.upper_bound(addr + size);
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for (auto it = texture_cache.begin(); it != cache_upper_bound;) {
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const auto& info = *it->second;
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// Flush the texture only if the memory region intersects and a change is detected
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if (MathUtil::IntervalsIntersect(addr, size, info.addr, info.size) &&
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(ignore_hash || info.hash != Common::ComputeHash64(Memory::GetPhysicalPointer(info.addr), info.size))) {
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it = texture_cache.erase(it);
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} else {
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++it;
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}
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}
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}
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void RasterizerCacheOpenGL::InvalidateAll() {
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texture_cache.clear();
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}
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