632 lines
24 KiB
C++
632 lines
24 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2014 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/gpu/gl4/texture_cache.h"
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#include "poly/assert.h"
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#include "poly/math.h"
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#include "xenia/gpu/gpu-private.h"
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namespace xe {
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namespace gpu {
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namespace gl4 {
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using namespace xe::gpu::xenos;
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extern "C" GLEWContext* glewGetContext();
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extern "C" WGLEWContext* wglewGetContext();
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TextureCache::TextureCache() : memory_(nullptr), scratch_buffer_(nullptr) {
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invalidated_textures_sets_[0].reserve(64);
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invalidated_textures_sets_[1].reserve(64);
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invalidated_textures_ = &invalidated_textures_sets_[0];
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}
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TextureCache::~TextureCache() { Shutdown(); }
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bool TextureCache::Initialize(Memory* memory, CircularBuffer* scratch_buffer) {
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memory_ = memory;
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scratch_buffer_ = scratch_buffer;
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return true;
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}
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void TextureCache::Shutdown() { Clear(); }
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void TextureCache::Scavenge() {
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invalidated_textures_mutex_.lock();
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std::vector<TextureEntry*>& invalidated_textures = *invalidated_textures_;
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if (invalidated_textures_ == &invalidated_textures_sets_[0]) {
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invalidated_textures_ = &invalidated_textures_sets_[1];
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} else {
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invalidated_textures_ = &invalidated_textures_sets_[0];
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}
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invalidated_textures_mutex_.unlock();
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if (invalidated_textures.empty()) {
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return;
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}
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for (auto& entry : invalidated_textures) {
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EvictTexture(entry);
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}
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invalidated_textures.clear();
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}
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void TextureCache::Clear() {
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EvictAllTextures();
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// Samplers must go last, as textures depend on them.
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while (sampler_entries_.size()) {
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auto entry = sampler_entries_.begin()->second;
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EvictSampler(entry);
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}
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}
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void TextureCache::EvictAllTextures() {
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// Kill all textures - some may be in the eviction list, but that's fine
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// as we will clear that below.
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while (texture_entries_.size()) {
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auto entry = texture_entries_.begin()->second;
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EvictTexture(entry);
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}
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{
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std::lock_guard<std::mutex> lock(invalidated_textures_mutex_);
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invalidated_textures_sets_[0].clear();
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invalidated_textures_sets_[1].clear();
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}
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}
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TextureCache::TextureEntryView* TextureCache::Demand(
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const TextureInfo& texture_info, const SamplerInfo& sampler_info) {
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uint64_t texture_hash = texture_info.hash();
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auto texture_entry = LookupOrInsertTexture(texture_info, texture_hash);
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if (!texture_entry) {
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PLOGE("Failed to setup texture");
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return nullptr;
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}
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// We likely have the sampler in the texture view listing, so scan for it.
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uint64_t sampler_hash = sampler_info.hash();
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for (auto& it : texture_entry->views) {
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if (it->sampler_hash == sampler_hash) {
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// Found.
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return it.get();
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}
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}
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// No existing view found - build it.
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auto sampler_entry = LookupOrInsertSampler(sampler_info, sampler_hash);
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if (!sampler_entry) {
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PLOGE("Failed to setup texture sampler");
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return nullptr;
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}
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auto view = std::make_unique<TextureEntryView>();
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view->sampler = sampler_entry;
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view->sampler_hash = sampler_hash;
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view->texture_sampler_handle = 0;
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// Get the uvec2 handle to the texture/sampler pair and make it resident.
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// The handle can be passed directly to the shader.
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view->texture_sampler_handle = glGetTextureSamplerHandleARB(
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texture_entry->handle, sampler_entry->handle);
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if (!view->texture_sampler_handle) {
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assert_always("Unable to get texture handle?");
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return nullptr;
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}
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glMakeTextureHandleResidentARB(view->texture_sampler_handle);
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// Entry takes ownership.
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auto view_ptr = view.get();
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texture_entry->views.push_back(std::move(view));
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return view_ptr;
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}
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TextureCache::SamplerEntry* TextureCache::LookupOrInsertSampler(
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const SamplerInfo& sampler_info, uint64_t opt_hash) {
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const uint64_t hash = opt_hash ? opt_hash : sampler_info.hash();
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for (auto it = sampler_entries_.find(hash); it != sampler_entries_.end();
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++it) {
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if (it->second->sampler_info == sampler_info) {
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// Found in cache!
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return it->second;
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}
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}
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// Not found, create.
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auto entry = std::make_unique<SamplerEntry>();
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entry->sampler_info = sampler_info;
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glCreateSamplers(1, &entry->handle);
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// TODO(benvanik): border color from texture fetch.
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GLfloat border_color[4] = {0.0f};
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glSamplerParameterfv(entry->handle, GL_TEXTURE_BORDER_COLOR, border_color);
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// TODO(benvanik): setup LODs for mipmapping.
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glSamplerParameterf(entry->handle, GL_TEXTURE_LOD_BIAS, 0.0f);
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glSamplerParameterf(entry->handle, GL_TEXTURE_MIN_LOD, 0.0f);
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glSamplerParameterf(entry->handle, GL_TEXTURE_MAX_LOD, 0.0f);
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// Texture wrapping modes.
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// TODO(benvanik): not sure if the middle ones are correct.
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static const GLenum wrap_map[] = {
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GL_REPEAT, //
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GL_MIRRORED_REPEAT, //
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GL_CLAMP_TO_EDGE, //
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GL_MIRROR_CLAMP_TO_EDGE, //
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GL_CLAMP_TO_BORDER, // ?
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GL_MIRROR_CLAMP_TO_BORDER_EXT, // ?
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GL_CLAMP_TO_BORDER, //
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GL_MIRROR_CLAMP_TO_BORDER_EXT, //
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};
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glSamplerParameteri(entry->handle, GL_TEXTURE_WRAP_S,
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wrap_map[sampler_info.clamp_u]);
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glSamplerParameteri(entry->handle, GL_TEXTURE_WRAP_T,
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wrap_map[sampler_info.clamp_v]);
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glSamplerParameteri(entry->handle, GL_TEXTURE_WRAP_R,
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wrap_map[sampler_info.clamp_w]);
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// Texture level filtering.
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GLenum min_filter;
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switch (sampler_info.min_filter) {
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case ucode::TEX_FILTER_POINT:
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switch (sampler_info.mip_filter) {
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case ucode::TEX_FILTER_BASEMAP:
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min_filter = GL_NEAREST;
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break;
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case ucode::TEX_FILTER_POINT:
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// min_filter = GL_NEAREST_MIPMAP_NEAREST;
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min_filter = GL_NEAREST;
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break;
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case ucode::TEX_FILTER_LINEAR:
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// min_filter = GL_NEAREST_MIPMAP_LINEAR;
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min_filter = GL_NEAREST;
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break;
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default:
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assert_unhandled_case(sampler_info.mip_filter);
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return nullptr;
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}
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break;
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case ucode::TEX_FILTER_LINEAR:
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switch (sampler_info.mip_filter) {
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case ucode::TEX_FILTER_BASEMAP:
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min_filter = GL_LINEAR;
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break;
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case ucode::TEX_FILTER_POINT:
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// min_filter = GL_LINEAR_MIPMAP_NEAREST;
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min_filter = GL_LINEAR;
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break;
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case ucode::TEX_FILTER_LINEAR:
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// min_filter = GL_LINEAR_MIPMAP_LINEAR;
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min_filter = GL_LINEAR;
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break;
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default:
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assert_unhandled_case(sampler_info.mip_filter);
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return nullptr;
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}
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break;
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default:
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assert_unhandled_case(sampler_info.min_filter);
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return nullptr;
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}
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GLenum mag_filter;
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switch (sampler_info.mag_filter) {
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case ucode::TEX_FILTER_POINT:
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mag_filter = GL_NEAREST;
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break;
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case ucode::TEX_FILTER_LINEAR:
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mag_filter = GL_LINEAR;
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break;
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default:
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assert_unhandled_case(mag_filter);
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return nullptr;
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}
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glSamplerParameteri(entry->handle, GL_TEXTURE_MIN_FILTER, min_filter);
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glSamplerParameteri(entry->handle, GL_TEXTURE_MAG_FILTER, mag_filter);
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// TODO(benvanik): anisotropic filtering.
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// GL_TEXTURE_MAX_ANISOTROPY_EXT
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// Add to map - map takes ownership.
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auto entry_ptr = entry.get();
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sampler_entries_.insert({hash, entry.release()});
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return entry_ptr;
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}
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void TextureCache::EvictSampler(SamplerEntry* entry) {
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glDeleteSamplers(1, &entry->handle);
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for (auto it = sampler_entries_.find(entry->sampler_info.hash());
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it != sampler_entries_.end(); ++it) {
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if (it->second == entry) {
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sampler_entries_.erase(it);
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break;
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}
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}
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delete entry;
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}
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TextureCache::TextureEntry* TextureCache::LookupOrInsertTexture(
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const TextureInfo& texture_info, uint64_t opt_hash) {
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const uint64_t hash = opt_hash ? opt_hash : texture_info.hash();
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for (auto it = texture_entries_.find(hash); it != texture_entries_.end();
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++it) {
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if (it->second->pending_invalidation) {
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// Whoa, we've been invalidated! Let's scavenge to cleanup and try again.
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// TODO(benvanik): reuse existing texture storage.
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Scavenge();
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break;
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}
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if (it->second->texture_info == texture_info) {
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// Found in cache!
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return it->second;
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}
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}
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// Not found, create.
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auto entry = std::make_unique<TextureEntry>();
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entry->texture_info = texture_info;
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entry->write_watch_handle = 0;
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entry->pending_invalidation = false;
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entry->handle = 0;
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GLenum target;
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switch (texture_info.dimension) {
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case Dimension::k1D:
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target = GL_TEXTURE_1D;
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break;
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case Dimension::k2D:
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target = GL_TEXTURE_2D;
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break;
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case Dimension::k3D:
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target = GL_TEXTURE_3D;
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break;
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case Dimension::kCube:
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target = GL_TEXTURE_CUBE_MAP;
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break;
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}
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// Setup the base texture.
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glCreateTextures(target, 1, &entry->handle);
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// TODO(benvanik): texture mip levels.
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glTextureParameteri(entry->handle, GL_TEXTURE_BASE_LEVEL, 0);
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glTextureParameteri(entry->handle, GL_TEXTURE_MAX_LEVEL, 1);
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// Pre-shader swizzle.
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// TODO(benvanik): can this be dynamic? Maybe per view?
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// We may have to emulate this in the shader.
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uint32_t swizzle_r = texture_info.swizzle & 0x7;
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uint32_t swizzle_g = (texture_info.swizzle >> 3) & 0x7;
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uint32_t swizzle_b = (texture_info.swizzle >> 6) & 0x7;
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uint32_t swizzle_a = (texture_info.swizzle >> 9) & 0x7;
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static const GLenum swizzle_map[] = {
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GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_ZERO, GL_ONE,
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};
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glTextureParameteri(entry->handle, GL_TEXTURE_SWIZZLE_R,
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swizzle_map[swizzle_r]);
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glTextureParameteri(entry->handle, GL_TEXTURE_SWIZZLE_G,
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swizzle_map[swizzle_g]);
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glTextureParameteri(entry->handle, GL_TEXTURE_SWIZZLE_B,
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swizzle_map[swizzle_b]);
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glTextureParameteri(entry->handle, GL_TEXTURE_SWIZZLE_A,
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swizzle_map[swizzle_a]);
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// Upload/convert.
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bool uploaded = false;
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switch (texture_info.dimension) {
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case Dimension::k2D:
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uploaded = UploadTexture2D(entry->handle, texture_info);
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break;
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case Dimension::k1D:
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case Dimension::k3D:
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case Dimension::kCube:
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assert_unhandled_case(texture_info.dimension);
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return false;
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}
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if (!uploaded) {
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PLOGE("Failed to convert/upload texture");
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return nullptr;
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}
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// Add a write watch. If any data in the given range is touched we'll get a
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// callback and evict the texture. We could reuse the storage, though the
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// driver is likely in a better position to pool that kind of stuff.
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entry->write_watch_handle = memory_->AddWriteWatch(
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texture_info.guest_address, texture_info.input_length,
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[](void* context_ptr, void* data_ptr, uint32_t address) {
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auto self = reinterpret_cast<TextureCache*>(context_ptr);
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auto touched_entry = reinterpret_cast<TextureEntry*>(data_ptr);
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// Clear watch handle first so we don't redundantly
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// remove.
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touched_entry->write_watch_handle = 0;
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touched_entry->pending_invalidation = true;
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// Add to pending list so Scavenge will clean it up.
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self->invalidated_textures_mutex_.lock();
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self->invalidated_textures_->push_back(touched_entry);
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self->invalidated_textures_mutex_.unlock();
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},
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this, entry.get());
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// Add to map - map takes ownership.
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auto entry_ptr = entry.get();
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texture_entries_.insert({hash, entry.release()});
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return entry_ptr;
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}
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void TextureCache::EvictTexture(TextureEntry* entry) {
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if (entry->write_watch_handle) {
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memory_->CancelWriteWatch(entry->write_watch_handle);
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entry->write_watch_handle = 0;
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}
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for (auto& view : entry->views) {
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glMakeTextureHandleNonResidentARB(view->texture_sampler_handle);
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}
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glDeleteTextures(1, &entry->handle);
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uint64_t texture_hash = entry->texture_info.hash();
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for (auto it = texture_entries_.find(texture_hash);
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it != texture_entries_.end(); ++it) {
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if (it->second == entry) {
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texture_entries_.erase(it);
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break;
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}
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}
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delete entry;
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}
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void TextureSwap(Endian endianness, void* dest, const void* src,
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size_t length) {
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switch (endianness) {
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case Endian::k8in16:
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poly::copy_and_swap_16_aligned(reinterpret_cast<uint16_t*>(dest),
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reinterpret_cast<const uint16_t*>(src),
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length / 2);
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break;
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case Endian::k8in32:
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poly::copy_and_swap_32_aligned(reinterpret_cast<uint32_t*>(dest),
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reinterpret_cast<const uint32_t*>(src),
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length / 4);
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break;
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case Endian::k16in32:
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// TODO(benvanik): make more efficient.
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/*for (uint32_t i = 0; i < length; i += 4, src += 4, dest += 4) {
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uint32_t value = *(uint32_t*)src;
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*(uint32_t*)dest = ((value >> 16) & 0xFFFF) | (value << 16);
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}*/
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assert_always("16in32 not supported");
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break;
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default:
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case Endian::kUnspecified:
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std::memcpy(dest, src, length);
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break;
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}
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}
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struct TextureConfig {
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TextureFormat texture_format;
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GLenum internal_format;
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GLenum format;
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GLenum type;
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};
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// https://code.google.com/p/glsnewton/source/browse/trunk/Source/uDDSLoader.pas?r=62
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// http://dench.flatlib.jp/opengl/textures
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// http://fossies.org/linux/WebKit/Source/ThirdParty/ANGLE/src/libGLESv2/formatutils.cpp
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static const TextureConfig texture_configs[64] = {
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{TextureFormat::k_1_REVERSE, GL_INVALID_ENUM, GL_INVALID_ENUM,
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GL_INVALID_ENUM},
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{TextureFormat::k_1, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
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{TextureFormat::k_8, GL_R8, GL_RED, GL_UNSIGNED_BYTE},
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{TextureFormat::k_1_5_5_5, GL_RGB5_A1, GL_RGBA,
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GL_UNSIGNED_SHORT_1_5_5_5_REV},
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{TextureFormat::k_5_6_5, GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5},
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{TextureFormat::k_6_5_5, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
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{TextureFormat::k_8_8_8_8, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE},
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{TextureFormat::k_2_10_10_10, GL_RGB10_A2, GL_RGBA,
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GL_UNSIGNED_INT_2_10_10_10_REV},
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{TextureFormat::k_8_A, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
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{TextureFormat::k_8_B, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
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{TextureFormat::k_8_8, GL_RG8, GL_RG, GL_UNSIGNED_BYTE},
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{TextureFormat::k_Cr_Y1_Cb_Y0, GL_INVALID_ENUM, GL_INVALID_ENUM,
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GL_INVALID_ENUM},
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{TextureFormat::k_Y1_Cr_Y0_Cb, GL_INVALID_ENUM, GL_INVALID_ENUM,
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GL_INVALID_ENUM},
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{TextureFormat::kUnknown, GL_INVALID_ENUM, GL_INVALID_ENUM,
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GL_INVALID_ENUM},
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{TextureFormat::k_8_8_8_8_A, GL_INVALID_ENUM, GL_INVALID_ENUM,
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GL_INVALID_ENUM},
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{TextureFormat::k_4_4_4_4, GL_RGBA4, GL_RGBA,
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GL_UNSIGNED_SHORT_4_4_4_4_REV},
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{TextureFormat::k_10_11_11, GL_R11F_G11F_B10F, GL_RGB,
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GL_UNSIGNED_INT_10F_11F_11F_REV}, // ?
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{TextureFormat::k_11_11_10, GL_R11F_G11F_B10F, GL_RGB,
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GL_UNSIGNED_INT_10F_11F_11F_REV}, // ?
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{TextureFormat::k_DXT1, GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
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GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE},
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{TextureFormat::k_DXT2_3, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT,
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GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_UNSIGNED_BYTE},
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{TextureFormat::k_DXT4_5, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,
|
|
GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_UNSIGNED_BYTE},
|
|
{TextureFormat::kUnknown, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_24_8, GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL,
|
|
GL_UNSIGNED_INT_24_8},
|
|
{TextureFormat::k_24_8_FLOAT, GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL,
|
|
GL_FLOAT_32_UNSIGNED_INT_24_8_REV},
|
|
{TextureFormat::k_16, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_16, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_16_16_16, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_EXPAND, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_16_EXPAND, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_16_16_16_EXPAND, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_FLOAT, GL_R16F, GL_RED, GL_HALF_FLOAT},
|
|
{TextureFormat::k_16_16_FLOAT, GL_RG16F, GL_RG, GL_HALF_FLOAT},
|
|
{TextureFormat::k_16_16_16_16_FLOAT, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT},
|
|
{TextureFormat::k_32, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
|
|
{TextureFormat::k_32_32, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
|
|
{TextureFormat::k_32_32_32_32, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_32_FLOAT, GL_R32F, GL_RED, GL_FLOAT},
|
|
{TextureFormat::k_32_32_FLOAT, GL_RG32F, GL_RG, GL_FLOAT},
|
|
{TextureFormat::k_32_32_32_32_FLOAT, GL_RGBA32F, GL_RGBA, GL_FLOAT},
|
|
{TextureFormat::k_32_AS_8, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_32_AS_8_8, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_MPEG, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_16_MPEG, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_8_INTERLACED, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_32_AS_8_INTERLACED, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_32_AS_8_8_INTERLACED, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_INTERLACED, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_MPEG_INTERLACED, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_16_16_MPEG_INTERLACED, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_DXN, GL_COMPRESSED_RG_RGTC2, GL_COMPRESSED_RG_RGTC2,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::k_8_8_8_8_AS_16_16_16_16, GL_RGBA8, GL_RGBA,
|
|
GL_UNSIGNED_BYTE},
|
|
{TextureFormat::k_DXT1_AS_16_16_16_16, GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
|
|
GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE},
|
|
{TextureFormat::k_DXT2_3_AS_16_16_16_16, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT,
|
|
GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_UNSIGNED_BYTE},
|
|
{TextureFormat::k_DXT4_5_AS_16_16_16_16, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,
|
|
GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_UNSIGNED_BYTE},
|
|
{TextureFormat::k_2_10_10_10_AS_16_16_16_16, GL_RGB10_A2, GL_RGBA,
|
|
GL_UNSIGNED_INT_2_10_10_10_REV},
|
|
{TextureFormat::k_10_11_11_AS_16_16_16_16, GL_R11F_G11F_B10F, GL_RGB,
|
|
GL_UNSIGNED_INT_10F_11F_11F_REV},
|
|
{TextureFormat::k_11_11_10_AS_16_16_16_16, GL_R11F_G11F_B10F,
|
|
GL_INVALID_ENUM, GL_INVALID_ENUM},
|
|
{TextureFormat::k_32_32_32_FLOAT, GL_RGB32F, GL_RGB, GL_FLOAT},
|
|
{TextureFormat::k_DXT3A, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
|
|
{TextureFormat::k_DXT5A, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
|
|
{TextureFormat::k_CTX1, GL_INVALID_ENUM, GL_INVALID_ENUM, GL_INVALID_ENUM},
|
|
{TextureFormat::k_DXT3A_AS_1_1_1_1, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::kUnknown, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
{TextureFormat::kUnknown, GL_INVALID_ENUM, GL_INVALID_ENUM,
|
|
GL_INVALID_ENUM},
|
|
};
|
|
|
|
bool TextureCache::UploadTexture2D(GLuint texture,
|
|
const TextureInfo& texture_info) {
|
|
const auto host_address = memory_->Translate(texture_info.guest_address);
|
|
|
|
const auto& config =
|
|
texture_configs[uint32_t(texture_info.format_info->format)];
|
|
if (config.format == GL_INVALID_ENUM) {
|
|
assert_always("Unhandled texture format");
|
|
return false;
|
|
}
|
|
|
|
size_t unpack_length = texture_info.output_length;
|
|
glTextureStorage2D(texture, 1, config.internal_format,
|
|
texture_info.size_2d.output_width,
|
|
texture_info.size_2d.output_height);
|
|
assert_true(unpack_length % 4 == 0);
|
|
|
|
auto allocation = scratch_buffer_->Acquire(unpack_length);
|
|
|
|
if (!texture_info.is_tiled) {
|
|
if (texture_info.size_2d.input_pitch == texture_info.size_2d.output_pitch) {
|
|
// Fast path copy entire image.
|
|
TextureSwap(texture_info.endianness, allocation.host_ptr, host_address,
|
|
unpack_length);
|
|
} else {
|
|
// Slow path copy row-by-row because strides differ.
|
|
// UNPACK_ROW_LENGTH only works for uncompressed images, and likely does
|
|
// this exact thing under the covers, so we just always do it here.
|
|
const uint8_t* src = host_address;
|
|
uint8_t* dest = reinterpret_cast<uint8_t*>(allocation.host_ptr);
|
|
uint32_t pitch = std::min(texture_info.size_2d.input_pitch,
|
|
texture_info.size_2d.output_pitch);
|
|
for (uint32_t y = 0; y < texture_info.size_2d.block_height; y++) {
|
|
TextureSwap(texture_info.endianness, dest, src, pitch);
|
|
src += texture_info.size_2d.input_pitch;
|
|
dest += texture_info.size_2d.output_pitch;
|
|
}
|
|
}
|
|
} else {
|
|
// Untile image.
|
|
// We could do this in a shader to speed things up, as this is pretty slow.
|
|
// TODO(benvanik): optimize this inner loop (or work by tiles).
|
|
const uint8_t* src = host_address;
|
|
uint8_t* dest = reinterpret_cast<uint8_t*>(allocation.host_ptr);
|
|
uint32_t bytes_per_block = texture_info.format_info->block_width *
|
|
texture_info.format_info->block_height *
|
|
texture_info.format_info->bits_per_pixel / 8;
|
|
auto bpp = (bytes_per_block >> 2) +
|
|
((bytes_per_block >> 1) >> (bytes_per_block >> 2));
|
|
for (uint32_t y = 0, output_base_offset = 0;
|
|
y < texture_info.size_2d.block_height;
|
|
y++, output_base_offset += texture_info.size_2d.output_pitch) {
|
|
auto input_base_offset = TextureInfo::TiledOffset2DOuter(
|
|
y, (texture_info.size_2d.input_width /
|
|
texture_info.format_info->block_width),
|
|
bpp);
|
|
for (uint32_t x = 0, output_offset = output_base_offset;
|
|
x < texture_info.size_2d.block_width;
|
|
x++, output_offset += bytes_per_block) {
|
|
auto input_offset =
|
|
TextureInfo::TiledOffset2DInner(x, y, bpp, input_base_offset) >>
|
|
bpp;
|
|
TextureSwap(texture_info.endianness, dest + output_offset,
|
|
src + input_offset * bytes_per_block, bytes_per_block);
|
|
}
|
|
}
|
|
}
|
|
size_t unpack_offset = allocation.offset;
|
|
scratch_buffer_->Commit(std::move(allocation));
|
|
// TODO(benvanik): avoid flush on entire buffer by using another texture
|
|
// buffer.
|
|
scratch_buffer_->Flush();
|
|
|
|
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, scratch_buffer_->handle());
|
|
if (texture_info.is_compressed()) {
|
|
glCompressedTextureSubImage2D(
|
|
texture, 0, 0, 0, texture_info.size_2d.output_width,
|
|
texture_info.size_2d.output_height, config.format,
|
|
static_cast<GLsizei>(unpack_length),
|
|
reinterpret_cast<void*>(unpack_offset));
|
|
} else {
|
|
// Most of these don't seem to have an effect on compressed images.
|
|
// glPixelStorei(GL_UNPACK_SWAP_BYTES, GL_TRUE);
|
|
// glPixelStorei(GL_UNPACK_ALIGNMENT, texture_info.texel_pitch);
|
|
// glPixelStorei(GL_UNPACK_ROW_LENGTH, texture_info.size_2d.input_width);
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
|
|
|
glTextureSubImage2D(texture, 0, 0, 0, texture_info.size_2d.output_width,
|
|
texture_info.size_2d.output_height, config.format,
|
|
config.type, reinterpret_cast<void*>(unpack_offset));
|
|
}
|
|
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
|
|
return true;
|
|
}
|
|
|
|
} // namespace gl4
|
|
} // namespace gpu
|
|
} // namespace xe
|