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https://github.com/Lime3DS/Lime3DS
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VideoCore: Move LookupTexture out of debug_utils.h
This commit is contained in:
Yuri Kunde Schlesner
parent
9590c932ec
commit
a1c9ac7845
9 changed files with 350 additions and 308 deletions
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@ -20,13 +20,14 @@
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#include "video_core/debug_utils/debug_utils.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/texture/texture_decode.h"
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namespace {
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QImage LoadTexture(const u8* src, const Pica::DebugUtils::TextureInfo& info) {
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QImage LoadTexture(const u8* src, const Pica::Texture::TextureInfo& info) {
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QImage decoded_image(info.width, info.height, QImage::Format_ARGB32);
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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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Math::Vec4<u8> color = Pica::DebugUtils::LookupTexture(src, x, y, info, true);
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Math::Vec4<u8> color = Pica::Texture::LookupTexture(src, x, y, info, true);
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decoded_image.setPixel(x, y, qRgba(color.r(), color.g(), color.b(), color.a()));
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}
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}
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@ -36,9 +37,10 @@ QImage LoadTexture(const u8* src, const Pica::DebugUtils::TextureInfo& info) {
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class TextureInfoWidget : public QWidget {
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public:
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TextureInfoWidget(const u8* src, const Pica::DebugUtils::TextureInfo& info,
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TextureInfoWidget(const u8* src, const Pica::Texture::TextureInfo& info,
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QWidget* parent = nullptr)
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: QWidget(parent) {
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QLabel* image_widget = new QLabel;
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QPixmap image_pixmap = QPixmap::fromImage(LoadTexture(src, info));
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image_pixmap = image_pixmap.scaled(200, 100, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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@ -160,7 +162,7 @@ void GPUCommandListWidget::SetCommandInfo(const QModelIndex& index) {
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const auto config = texture.config;
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const auto format = texture.format;
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const auto info = Pica::DebugUtils::TextureInfo::FromPicaRegister(config, format);
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const auto info = Pica::Texture::TextureInfo::FromPicaRegister(config, format);
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const u8* src = Memory::GetPhysicalPointer(config.GetPhysicalAddress());
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new_info_widget = new TextureInfoWidget(src, info);
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}
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@ -18,6 +18,7 @@
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#include "core/memory.h"
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#include "video_core/pica.h"
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#include "video_core/pica_state.h"
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#include "video_core/texture/texture_decode.h"
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#include "video_core/utils.h"
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SurfacePicture::SurfacePicture(QWidget* parent, GraphicsSurfaceWidget* surface_widget_)
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@ -512,7 +513,7 @@ void GraphicsSurfaceWidget::OnUpdate() {
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}
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const auto texture = Pica::g_state.regs.GetTextures()[texture_index];
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auto info = Pica::DebugUtils::TextureInfo::FromPicaRegister(texture.config, texture.format);
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auto info = Pica::Texture::TextureInfo::FromPicaRegister(texture.config, texture.format);
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surface_address = info.physical_address;
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surface_width = info.width;
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@ -574,7 +575,7 @@ void GraphicsSurfaceWidget::OnUpdate() {
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if (surface_format <= Format::MaxTextureFormat) {
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// Generate a virtual texture
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Pica::DebugUtils::TextureInfo info;
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Pica::Texture::TextureInfo info;
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info.physical_address = surface_address;
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info.width = surface_width;
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info.height = surface_height;
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@ -583,7 +584,7 @@ void GraphicsSurfaceWidget::OnUpdate() {
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for (unsigned int y = 0; y < surface_height; ++y) {
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for (unsigned int x = 0; x < surface_width; ++x) {
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Math::Vec4<u8> color = Pica::DebugUtils::LookupTexture(buffer, x, y, info, true);
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Math::Vec4<u8> color = Pica::Texture::LookupTexture(buffer, x, y, info, true);
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decoded_image.setPixel(x, y, qRgba(color.r(), color.g(), color.b(), color.a()));
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}
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}
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@ -1,36 +1,29 @@
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set(SRCS
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clipper.cpp
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command_processor.cpp
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debug_utils/debug_utils.cpp
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pica.cpp
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primitive_assembly.cpp
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rasterizer.cpp
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renderer_base.cpp
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renderer_opengl/gl_rasterizer.cpp
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renderer_opengl/gl_rasterizer_cache.cpp
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renderer_opengl/gl_shader_gen.cpp
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renderer_opengl/gl_shader_util.cpp
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renderer_opengl/gl_state.cpp
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renderer_opengl/renderer_opengl.cpp
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debug_utils/debug_utils.cpp
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clipper.cpp
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command_processor.cpp
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pica.cpp
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primitive_assembly.cpp
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rasterizer.cpp
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renderer_base.cpp
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shader/shader.cpp
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shader/shader_interpreter.cpp
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swrasterizer.cpp
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texture/texture_decode.cpp
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vertex_loader.cpp
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video_core.cpp
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)
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set(HEADERS
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debug_utils/debug_utils.h
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renderer_opengl/gl_rasterizer.h
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renderer_opengl/gl_rasterizer_cache.h
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renderer_opengl/gl_resource_manager.h
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renderer_opengl/gl_shader_gen.h
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renderer_opengl/gl_shader_util.h
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renderer_opengl/gl_state.h
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renderer_opengl/pica_to_gl.h
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renderer_opengl/renderer_opengl.h
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clipper.h
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command_processor.h
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debug_utils/debug_utils.h
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gpu_debugger.h
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pica.h
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pica_state.h
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@ -39,10 +32,19 @@ set(HEADERS
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rasterizer.h
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rasterizer_interface.h
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renderer_base.h
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renderer_opengl/gl_rasterizer.h
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renderer_opengl/gl_rasterizer_cache.h
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renderer_opengl/gl_resource_manager.h
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renderer_opengl/gl_shader_gen.h
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renderer_opengl/gl_shader_util.h
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renderer_opengl/gl_state.h
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renderer_opengl/pica_to_gl.h
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renderer_opengl/renderer_opengl.h
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shader/debug_data.h
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shader/shader.h
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shader/shader_interpreter.h
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swrasterizer.h
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texture/texture_decode.h
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utils.h
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vertex_loader.h
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video_core.h
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@ -35,6 +35,7 @@
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#include "video_core/rasterizer_interface.h"
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#include "video_core/renderer_base.h"
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#include "video_core/shader/shader.h"
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#include "video_core/texture/texture_decode.h"
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#include "video_core/utils.h"
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#include "video_core/video_core.h"
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@ -315,257 +316,6 @@ std::unique_ptr<PicaTrace> FinishPicaTracing() {
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return ret;
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}
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const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const TextureInfo& info,
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bool disable_alpha) {
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const unsigned int coarse_x = x & ~7;
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const unsigned int coarse_y = y & ~7;
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if (info.format != Regs::TextureFormat::ETC1 && info.format != Regs::TextureFormat::ETC1A4) {
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// TODO(neobrain): Fix code design to unify vertical block offsets!
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source += coarse_y * info.stride;
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}
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// TODO: Assert that width/height are multiples of block dimensions
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switch (info.format) {
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case Regs::TextureFormat::RGBA8: {
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auto res = Color::DecodeRGBA8(source + VideoCore::GetMortonOffset(x, y, 4));
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return {res.r(), res.g(), res.b(), static_cast<u8>(disable_alpha ? 255 : res.a())};
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}
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case Regs::TextureFormat::RGB8: {
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auto res = Color::DecodeRGB8(source + VideoCore::GetMortonOffset(x, y, 3));
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return {res.r(), res.g(), res.b(), 255};
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}
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case Regs::TextureFormat::RGB5A1: {
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auto res = Color::DecodeRGB5A1(source + VideoCore::GetMortonOffset(x, y, 2));
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return {res.r(), res.g(), res.b(), static_cast<u8>(disable_alpha ? 255 : res.a())};
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}
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case Regs::TextureFormat::RGB565: {
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auto res = Color::DecodeRGB565(source + VideoCore::GetMortonOffset(x, y, 2));
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return {res.r(), res.g(), res.b(), 255};
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}
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case Regs::TextureFormat::RGBA4: {
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auto res = Color::DecodeRGBA4(source + VideoCore::GetMortonOffset(x, y, 2));
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return {res.r(), res.g(), res.b(), static_cast<u8>(disable_alpha ? 255 : res.a())};
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}
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case Regs::TextureFormat::IA8: {
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const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 2);
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if (disable_alpha) {
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// Show intensity as red, alpha as green
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return {source_ptr[1], source_ptr[0], 0, 255};
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} else {
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return {source_ptr[1], source_ptr[1], source_ptr[1], source_ptr[0]};
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}
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}
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case Regs::TextureFormat::RG8: {
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auto res = Color::DecodeRG8(source + VideoCore::GetMortonOffset(x, y, 2));
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return {res.r(), res.g(), 0, 255};
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}
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case Regs::TextureFormat::I8: {
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const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 1);
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return {*source_ptr, *source_ptr, *source_ptr, 255};
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}
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case Regs::TextureFormat::A8: {
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const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 1);
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if (disable_alpha) {
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return {*source_ptr, *source_ptr, *source_ptr, 255};
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} else {
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return {0, 0, 0, *source_ptr};
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}
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}
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case Regs::TextureFormat::IA4: {
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const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 1);
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u8 i = Color::Convert4To8(((*source_ptr) & 0xF0) >> 4);
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u8 a = Color::Convert4To8((*source_ptr) & 0xF);
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if (disable_alpha) {
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// Show intensity as red, alpha as green
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return {i, a, 0, 255};
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} else {
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return {i, i, i, a};
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}
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}
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case Regs::TextureFormat::I4: {
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u32 morton_offset = VideoCore::GetMortonOffset(x, y, 1);
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const u8* source_ptr = source + morton_offset / 2;
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u8 i = (morton_offset % 2) ? ((*source_ptr & 0xF0) >> 4) : (*source_ptr & 0xF);
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i = Color::Convert4To8(i);
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return {i, i, i, 255};
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}
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case Regs::TextureFormat::A4: {
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u32 morton_offset = VideoCore::GetMortonOffset(x, y, 1);
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const u8* source_ptr = source + morton_offset / 2;
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u8 a = (morton_offset % 2) ? ((*source_ptr & 0xF0) >> 4) : (*source_ptr & 0xF);
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a = Color::Convert4To8(a);
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if (disable_alpha) {
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return {a, a, a, 255};
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} else {
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return {0, 0, 0, a};
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}
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}
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case Regs::TextureFormat::ETC1:
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case Regs::TextureFormat::ETC1A4: {
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bool has_alpha = (info.format == Regs::TextureFormat::ETC1A4);
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// ETC1 further subdivides each 8x8 tile into four 4x4 subtiles
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const int subtile_width = 4;
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const int subtile_height = 4;
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int subtile_index = ((x / subtile_width) & 1) + 2 * ((y / subtile_height) & 1);
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unsigned subtile_bytes = has_alpha ? 2 : 1; // TODO: Name...
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const u64* source_ptr = (const u64*)(source + coarse_x * subtile_bytes * 4 +
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coarse_y * subtile_bytes * 4 * (info.width / 8) +
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subtile_index * subtile_bytes * 8);
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u64 alpha = 0xFFFFFFFFFFFFFFFF;
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if (has_alpha) {
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alpha = *source_ptr;
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source_ptr++;
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}
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union ETC1Tile {
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// Each of these two is a collection of 16 bits (one per lookup value)
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BitField<0, 16, u64> table_subindexes;
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BitField<16, 16, u64> negation_flags;
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unsigned GetTableSubIndex(unsigned index) const {
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return (table_subindexes >> index) & 1;
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}
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bool GetNegationFlag(unsigned index) const {
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return ((negation_flags >> index) & 1) == 1;
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}
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BitField<32, 1, u64> flip;
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BitField<33, 1, u64> differential_mode;
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BitField<34, 3, u64> table_index_2;
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BitField<37, 3, u64> table_index_1;
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union {
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// delta value + base value
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BitField<40, 3, s64> db;
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BitField<43, 5, u64> b;
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BitField<48, 3, s64> dg;
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BitField<51, 5, u64> g;
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BitField<56, 3, s64> dr;
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BitField<59, 5, u64> r;
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} differential;
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union {
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BitField<40, 4, u64> b2;
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BitField<44, 4, u64> b1;
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BitField<48, 4, u64> g2;
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BitField<52, 4, u64> g1;
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BitField<56, 4, u64> r2;
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BitField<60, 4, u64> r1;
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} separate;
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const Math::Vec3<u8> GetRGB(int x, int y) const {
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int texel = 4 * x + y;
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if (flip)
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std::swap(x, y);
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// Lookup base value
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Math::Vec3<int> ret;
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if (differential_mode) {
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ret.r() = static_cast<int>(differential.r);
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ret.g() = static_cast<int>(differential.g);
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ret.b() = static_cast<int>(differential.b);
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if (x >= 2) {
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ret.r() += static_cast<int>(differential.dr);
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ret.g() += static_cast<int>(differential.dg);
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ret.b() += static_cast<int>(differential.db);
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}
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ret.r() = Color::Convert5To8(ret.r());
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ret.g() = Color::Convert5To8(ret.g());
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ret.b() = Color::Convert5To8(ret.b());
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} else {
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if (x < 2) {
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ret.r() = Color::Convert4To8(static_cast<u8>(separate.r1));
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ret.g() = Color::Convert4To8(static_cast<u8>(separate.g1));
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ret.b() = Color::Convert4To8(static_cast<u8>(separate.b1));
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} else {
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ret.r() = Color::Convert4To8(static_cast<u8>(separate.r2));
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ret.g() = Color::Convert4To8(static_cast<u8>(separate.g2));
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ret.b() = Color::Convert4To8(static_cast<u8>(separate.b2));
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}
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}
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// Add modifier
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unsigned table_index =
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static_cast<int>((x < 2) ? table_index_1.Value() : table_index_2.Value());
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static const std::array<std::array<u8, 2>, 8> etc1_modifier_table = {{
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{{2, 8}},
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{{5, 17}},
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{{9, 29}},
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{{13, 42}},
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{{18, 60}},
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{{24, 80}},
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{{33, 106}},
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{{47, 183}},
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}};
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int modifier = etc1_modifier_table.at(table_index).at(GetTableSubIndex(texel));
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if (GetNegationFlag(texel))
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modifier *= -1;
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ret.r() = MathUtil::Clamp(ret.r() + modifier, 0, 255);
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ret.g() = MathUtil::Clamp(ret.g() + modifier, 0, 255);
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ret.b() = MathUtil::Clamp(ret.b() + modifier, 0, 255);
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return ret.Cast<u8>();
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}
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} const* etc1_tile = reinterpret_cast<const ETC1Tile*>(source_ptr);
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alpha >>= 4 * ((x & 3) * 4 + (y & 3));
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return Math::MakeVec(etc1_tile->GetRGB(x & 3, y & 3),
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disable_alpha ? (u8)255 : Color::Convert4To8(alpha & 0xF));
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}
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default:
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LOG_ERROR(HW_GPU, "Unknown texture format: %x", (u32)info.format);
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DEBUG_ASSERT(false);
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return {};
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}
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}
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TextureInfo TextureInfo::FromPicaRegister(const Regs::TextureConfig& config,
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const Regs::TextureFormat& format) {
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TextureInfo info;
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info.physical_address = config.GetPhysicalAddress();
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info.width = config.width;
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info.height = config.height;
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info.format = format;
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info.stride = Pica::Regs::NibblesPerPixel(info.format) * info.width / 2;
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return info;
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}
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#ifdef HAVE_PNG
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// Adapter functions to libpng to write/flush to File::IOFile instances.
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static void WriteIOFile(png_structp png_ptr, png_bytep data, png_size_t length) {
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@ -642,12 +392,12 @@ void DumpTexture(const Pica::Regs::TextureConfig& texture_config, u8* data) {
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buf = new u8[row_stride * texture_config.height];
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for (unsigned y = 0; y < texture_config.height; ++y) {
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for (unsigned x = 0; x < texture_config.width; ++x) {
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TextureInfo info;
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Pica::Texture::TextureInfo info;
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info.width = texture_config.width;
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info.height = texture_config.height;
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info.stride = row_stride;
|
||||
info.format = g_state.regs.texture0_format;
|
||||
Math::Vec4<u8> texture_color = LookupTexture(data, x, y, info);
|
||||
Math::Vec4<u8> texture_color = Pica::Texture::LookupTexture(data, x, y, info);
|
||||
buf[3 * x + y * row_stride] = texture_color.r();
|
||||
buf[3 * x + y * row_stride + 1] = texture_color.g();
|
||||
buf[3 * x + y * row_stride + 2] = texture_color.b();
|
||||
|
|
|
|||
|
|
@ -205,31 +205,6 @@ inline bool IsPicaTracing() {
|
|||
void OnPicaRegWrite(PicaTrace::Write write);
|
||||
std::unique_ptr<PicaTrace> FinishPicaTracing();
|
||||
|
||||
struct TextureInfo {
|
||||
PAddr physical_address;
|
||||
int width;
|
||||
int height;
|
||||
int stride;
|
||||
Pica::Regs::TextureFormat format;
|
||||
|
||||
static TextureInfo FromPicaRegister(const Pica::Regs::TextureConfig& config,
|
||||
const Pica::Regs::TextureFormat& format);
|
||||
};
|
||||
|
||||
/**
|
||||
* Lookup texel located at the given coordinates and return an RGBA vector of its color.
|
||||
* @param source Source pointer to read data from
|
||||
* @param s,t Texture coordinates to read from
|
||||
* @param info TextureInfo object describing the texture setup
|
||||
* @param disable_alpha This is used for debug widgets which use this method to display textures
|
||||
* without providing a good way to visualize alpha by themselves. If true, this will return 255 for
|
||||
* the alpha component, and either drop the information entirely or store it in an "unused" color
|
||||
* channel.
|
||||
* @todo Eventually we should get rid of the disable_alpha parameter.
|
||||
*/
|
||||
const Math::Vec4<u8> LookupTexture(const u8* source, int s, int t, const TextureInfo& info,
|
||||
bool disable_alpha = false);
|
||||
|
||||
void DumpTexture(const Pica::Regs::TextureConfig& texture_config, u8* data);
|
||||
|
||||
std::string GetTevStageConfigColorCombinerString(const Pica::Regs::TevStageConfig& tev_stage);
|
||||
|
|
|
|||
|
|
@ -21,6 +21,7 @@
|
|||
#include "video_core/pica_types.h"
|
||||
#include "video_core/rasterizer.h"
|
||||
#include "video_core/shader/shader.h"
|
||||
#include "video_core/texture/texture_decode.h"
|
||||
#include "video_core/utils.h"
|
||||
|
||||
namespace Pica {
|
||||
|
|
@ -579,10 +580,10 @@ static void ProcessTriangleInternal(const Shader::OutputVertex& v0, const Shader
|
|||
u8* texture_data =
|
||||
Memory::GetPhysicalPointer(texture.config.GetPhysicalAddress());
|
||||
auto info =
|
||||
DebugUtils::TextureInfo::FromPicaRegister(texture.config, texture.format);
|
||||
Texture::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);
|
||||
texture_color[i] = Texture::LookupTexture(texture_data, s, t, info);
|
||||
#if PICA_DUMP_TEXTURES
|
||||
DebugUtils::DumpTexture(texture.config, texture_data);
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -17,10 +17,10 @@
|
|||
#include "common/vector_math.h"
|
||||
#include "core/frontend/emu_window.h"
|
||||
#include "core/memory.h"
|
||||
#include "video_core/debug_utils/debug_utils.h"
|
||||
#include "video_core/pica_state.h"
|
||||
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
|
||||
#include "video_core/renderer_opengl/gl_state.h"
|
||||
#include "video_core/texture/texture_decode.h"
|
||||
#include "video_core/utils.h"
|
||||
#include "video_core/video_core.h"
|
||||
|
||||
|
|
@ -339,7 +339,7 @@ CachedSurface* RasterizerCacheOpenGL::GetSurface(const CachedSurface& params, bo
|
|||
|
||||
std::vector<Math::Vec4<u8>> tex_buffer(params.width * params.height);
|
||||
|
||||
Pica::DebugUtils::TextureInfo tex_info;
|
||||
Pica::Texture::TextureInfo tex_info;
|
||||
tex_info.width = params.width;
|
||||
tex_info.height = params.height;
|
||||
tex_info.stride =
|
||||
|
|
@ -349,7 +349,7 @@ CachedSurface* RasterizerCacheOpenGL::GetSurface(const CachedSurface& params, bo
|
|||
|
||||
for (unsigned y = 0; y < params.height; ++y) {
|
||||
for (unsigned x = 0; x < params.width; ++x) {
|
||||
tex_buffer[x + params.width * y] = Pica::DebugUtils::LookupTexture(
|
||||
tex_buffer[x + params.width * y] = Pica::Texture::LookupTexture(
|
||||
texture_src_data, x, params.height - 1 - y, tex_info);
|
||||
}
|
||||
}
|
||||
|
|
@ -512,8 +512,9 @@ CachedSurface* RasterizerCacheOpenGL::GetSurfaceRect(const CachedSurface& params
|
|||
|
||||
CachedSurface* RasterizerCacheOpenGL::GetTextureSurface(
|
||||
const Pica::Regs::FullTextureConfig& config) {
|
||||
Pica::DebugUtils::TextureInfo info =
|
||||
Pica::DebugUtils::TextureInfo::FromPicaRegister(config.config, config.format);
|
||||
|
||||
Pica::Texture::TextureInfo info =
|
||||
Pica::Texture::TextureInfo::FromPicaRegister(config.config, config.format);
|
||||
|
||||
CachedSurface params;
|
||||
params.addr = info.physical_address;
|
||||
|
|
|
|||
270
src/video_core/texture/texture_decode.cpp
Normal file
270
src/video_core/texture/texture_decode.cpp
Normal file
|
|
@ -0,0 +1,270 @@
|
|||
// Copyright 2017 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/assert.h"
|
||||
#include "common/color.h"
|
||||
#include "common/logging/log.h"
|
||||
#include "common/math_util.h"
|
||||
#include "common/vector_math.h"
|
||||
#include "video_core/texture/texture_decode.h"
|
||||
#include "video_core/utils.h"
|
||||
|
||||
namespace Pica {
|
||||
namespace Texture {
|
||||
|
||||
Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const TextureInfo& info,
|
||||
bool disable_alpha) {
|
||||
const unsigned int coarse_x = x & ~7;
|
||||
const unsigned int coarse_y = y & ~7;
|
||||
|
||||
if (info.format != Regs::TextureFormat::ETC1 && info.format != Regs::TextureFormat::ETC1A4) {
|
||||
// TODO(neobrain): Fix code design to unify vertical block offsets!
|
||||
source += coarse_y * info.stride;
|
||||
}
|
||||
|
||||
// TODO: Assert that width/height are multiples of block dimensions
|
||||
|
||||
switch (info.format) {
|
||||
case Regs::TextureFormat::RGBA8: {
|
||||
auto res = Color::DecodeRGBA8(source + VideoCore::GetMortonOffset(x, y, 4));
|
||||
return {res.r(), res.g(), res.b(), static_cast<u8>(disable_alpha ? 255 : res.a())};
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::RGB8: {
|
||||
auto res = Color::DecodeRGB8(source + VideoCore::GetMortonOffset(x, y, 3));
|
||||
return {res.r(), res.g(), res.b(), 255};
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::RGB5A1: {
|
||||
auto res = Color::DecodeRGB5A1(source + VideoCore::GetMortonOffset(x, y, 2));
|
||||
return {res.r(), res.g(), res.b(), static_cast<u8>(disable_alpha ? 255 : res.a())};
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::RGB565: {
|
||||
auto res = Color::DecodeRGB565(source + VideoCore::GetMortonOffset(x, y, 2));
|
||||
return {res.r(), res.g(), res.b(), 255};
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::RGBA4: {
|
||||
auto res = Color::DecodeRGBA4(source + VideoCore::GetMortonOffset(x, y, 2));
|
||||
return {res.r(), res.g(), res.b(), static_cast<u8>(disable_alpha ? 255 : res.a())};
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::IA8: {
|
||||
const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 2);
|
||||
|
||||
if (disable_alpha) {
|
||||
// Show intensity as red, alpha as green
|
||||
return {source_ptr[1], source_ptr[0], 0, 255};
|
||||
} else {
|
||||
return {source_ptr[1], source_ptr[1], source_ptr[1], source_ptr[0]};
|
||||
}
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::RG8: {
|
||||
auto res = Color::DecodeRG8(source + VideoCore::GetMortonOffset(x, y, 2));
|
||||
return {res.r(), res.g(), 0, 255};
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::I8: {
|
||||
const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 1);
|
||||
return {*source_ptr, *source_ptr, *source_ptr, 255};
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::A8: {
|
||||
const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 1);
|
||||
|
||||
if (disable_alpha) {
|
||||
return {*source_ptr, *source_ptr, *source_ptr, 255};
|
||||
} else {
|
||||
return {0, 0, 0, *source_ptr};
|
||||
}
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::IA4: {
|
||||
const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 1);
|
||||
|
||||
u8 i = Color::Convert4To8(((*source_ptr) & 0xF0) >> 4);
|
||||
u8 a = Color::Convert4To8((*source_ptr) & 0xF);
|
||||
|
||||
if (disable_alpha) {
|
||||
// Show intensity as red, alpha as green
|
||||
return {i, a, 0, 255};
|
||||
} else {
|
||||
return {i, i, i, a};
|
||||
}
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::I4: {
|
||||
u32 morton_offset = VideoCore::GetMortonOffset(x, y, 1);
|
||||
const u8* source_ptr = source + morton_offset / 2;
|
||||
|
||||
u8 i = (morton_offset % 2) ? ((*source_ptr & 0xF0) >> 4) : (*source_ptr & 0xF);
|
||||
i = Color::Convert4To8(i);
|
||||
|
||||
return {i, i, i, 255};
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::A4: {
|
||||
u32 morton_offset = VideoCore::GetMortonOffset(x, y, 1);
|
||||
const u8* source_ptr = source + morton_offset / 2;
|
||||
|
||||
u8 a = (morton_offset % 2) ? ((*source_ptr & 0xF0) >> 4) : (*source_ptr & 0xF);
|
||||
a = Color::Convert4To8(a);
|
||||
|
||||
if (disable_alpha) {
|
||||
return {a, a, a, 255};
|
||||
} else {
|
||||
return {0, 0, 0, a};
|
||||
}
|
||||
}
|
||||
|
||||
case Regs::TextureFormat::ETC1:
|
||||
case Regs::TextureFormat::ETC1A4: {
|
||||
bool has_alpha = (info.format == Regs::TextureFormat::ETC1A4);
|
||||
|
||||
// ETC1 further subdivides each 8x8 tile into four 4x4 subtiles
|
||||
const int subtile_width = 4;
|
||||
const int subtile_height = 4;
|
||||
|
||||
int subtile_index = ((x / subtile_width) & 1) + 2 * ((y / subtile_height) & 1);
|
||||
unsigned subtile_bytes = has_alpha ? 2 : 1; // TODO: Name...
|
||||
|
||||
const u64* source_ptr = (const u64*)(source + coarse_x * subtile_bytes * 4 +
|
||||
coarse_y * subtile_bytes * 4 * (info.width / 8) +
|
||||
subtile_index * subtile_bytes * 8);
|
||||
u64 alpha = 0xFFFFFFFFFFFFFFFF;
|
||||
if (has_alpha) {
|
||||
alpha = *source_ptr;
|
||||
source_ptr++;
|
||||
}
|
||||
|
||||
union ETC1Tile {
|
||||
// Each of these two is a collection of 16 bits (one per lookup value)
|
||||
BitField<0, 16, u64> table_subindexes;
|
||||
BitField<16, 16, u64> negation_flags;
|
||||
|
||||
unsigned GetTableSubIndex(unsigned index) const {
|
||||
return (table_subindexes >> index) & 1;
|
||||
}
|
||||
|
||||
bool GetNegationFlag(unsigned index) const {
|
||||
return ((negation_flags >> index) & 1) == 1;
|
||||
}
|
||||
|
||||
BitField<32, 1, u64> flip;
|
||||
BitField<33, 1, u64> differential_mode;
|
||||
|
||||
BitField<34, 3, u64> table_index_2;
|
||||
BitField<37, 3, u64> table_index_1;
|
||||
|
||||
union {
|
||||
// delta value + base value
|
||||
BitField<40, 3, s64> db;
|
||||
BitField<43, 5, u64> b;
|
||||
|
||||
BitField<48, 3, s64> dg;
|
||||
BitField<51, 5, u64> g;
|
||||
|
||||
BitField<56, 3, s64> dr;
|
||||
BitField<59, 5, u64> r;
|
||||
} differential;
|
||||
|
||||
union {
|
||||
BitField<40, 4, u64> b2;
|
||||
BitField<44, 4, u64> b1;
|
||||
|
||||
BitField<48, 4, u64> g2;
|
||||
BitField<52, 4, u64> g1;
|
||||
|
||||
BitField<56, 4, u64> r2;
|
||||
BitField<60, 4, u64> r1;
|
||||
} separate;
|
||||
|
||||
const Math::Vec3<u8> GetRGB(int x, int y) const {
|
||||
int texel = 4 * x + y;
|
||||
|
||||
if (flip)
|
||||
std::swap(x, y);
|
||||
|
||||
// Lookup base value
|
||||
Math::Vec3<int> ret;
|
||||
if (differential_mode) {
|
||||
ret.r() = static_cast<int>(differential.r);
|
||||
ret.g() = static_cast<int>(differential.g);
|
||||
ret.b() = static_cast<int>(differential.b);
|
||||
if (x >= 2) {
|
||||
ret.r() += static_cast<int>(differential.dr);
|
||||
ret.g() += static_cast<int>(differential.dg);
|
||||
ret.b() += static_cast<int>(differential.db);
|
||||
}
|
||||
ret.r() = Color::Convert5To8(ret.r());
|
||||
ret.g() = Color::Convert5To8(ret.g());
|
||||
ret.b() = Color::Convert5To8(ret.b());
|
||||
} else {
|
||||
if (x < 2) {
|
||||
ret.r() = Color::Convert4To8(static_cast<u8>(separate.r1));
|
||||
ret.g() = Color::Convert4To8(static_cast<u8>(separate.g1));
|
||||
ret.b() = Color::Convert4To8(static_cast<u8>(separate.b1));
|
||||
} else {
|
||||
ret.r() = Color::Convert4To8(static_cast<u8>(separate.r2));
|
||||
ret.g() = Color::Convert4To8(static_cast<u8>(separate.g2));
|
||||
ret.b() = Color::Convert4To8(static_cast<u8>(separate.b2));
|
||||
}
|
||||
}
|
||||
|
||||
// Add modifier
|
||||
unsigned table_index =
|
||||
static_cast<int>((x < 2) ? table_index_1.Value() : table_index_2.Value());
|
||||
|
||||
static const std::array<std::array<u8, 2>, 8> etc1_modifier_table = {{
|
||||
{{2, 8}},
|
||||
{{5, 17}},
|
||||
{{9, 29}},
|
||||
{{13, 42}},
|
||||
{{18, 60}},
|
||||
{{24, 80}},
|
||||
{{33, 106}},
|
||||
{{47, 183}},
|
||||
}};
|
||||
|
||||
int modifier = etc1_modifier_table.at(table_index).at(GetTableSubIndex(texel));
|
||||
if (GetNegationFlag(texel))
|
||||
modifier *= -1;
|
||||
|
||||
ret.r() = MathUtil::Clamp(ret.r() + modifier, 0, 255);
|
||||
ret.g() = MathUtil::Clamp(ret.g() + modifier, 0, 255);
|
||||
ret.b() = MathUtil::Clamp(ret.b() + modifier, 0, 255);
|
||||
|
||||
return ret.Cast<u8>();
|
||||
}
|
||||
} const* etc1_tile = reinterpret_cast<const ETC1Tile*>(source_ptr);
|
||||
|
||||
alpha >>= 4 * ((x & 3) * 4 + (y & 3));
|
||||
return Math::MakeVec(etc1_tile->GetRGB(x & 3, y & 3),
|
||||
disable_alpha ? (u8)255 : Color::Convert4To8(alpha & 0xF));
|
||||
}
|
||||
|
||||
default:
|
||||
LOG_ERROR(HW_GPU, "Unknown texture format: %x", (u32)info.format);
|
||||
DEBUG_ASSERT(false);
|
||||
return {};
|
||||
}
|
||||
}
|
||||
|
||||
TextureInfo TextureInfo::FromPicaRegister(const Regs::TextureConfig& config,
|
||||
const Regs::TextureFormat& format) {
|
||||
TextureInfo info;
|
||||
info.physical_address = config.GetPhysicalAddress();
|
||||
info.width = config.width;
|
||||
info.height = config.height;
|
||||
info.format = format;
|
||||
info.stride = Pica::Regs::NibblesPerPixel(info.format) * info.width / 2;
|
||||
return info;
|
||||
}
|
||||
|
||||
} // namespace Texture
|
||||
} // namespace Pica
|
||||
40
src/video_core/texture/texture_decode.h
Normal file
40
src/video_core/texture/texture_decode.h
Normal file
|
|
@ -0,0 +1,40 @@
|
|||
// Copyright 2017 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "common/vector_math.h"
|
||||
#include "video_core/pica.h"
|
||||
|
||||
namespace Pica {
|
||||
namespace Texture {
|
||||
|
||||
struct TextureInfo {
|
||||
PAddr physical_address;
|
||||
int width;
|
||||
int height;
|
||||
int stride;
|
||||
Pica::Regs::TextureFormat format;
|
||||
|
||||
static TextureInfo FromPicaRegister(const Pica::Regs::TextureConfig& config,
|
||||
const Pica::Regs::TextureFormat& format);
|
||||
};
|
||||
|
||||
/**
|
||||
* Lookup texel located at the given coordinates and return an RGBA vector of its color.
|
||||
* @param source Source pointer to read data from
|
||||
* @param s,t Texture coordinates to read from
|
||||
* @param info TextureInfo object describing the texture setup
|
||||
* @param disable_alpha This is used for debug widgets which use this method to display textures
|
||||
* without providing a good way to visualize alpha by themselves. If true, this will return 255 for
|
||||
* the alpha component, and either drop the information entirely or store it in an "unused" color
|
||||
* channel.
|
||||
* @todo Eventually we should get rid of the disable_alpha parameter.
|
||||
*/
|
||||
Math::Vec4<u8> LookupTexture(const u8* source, int s, int t, const TextureInfo& info,
|
||||
bool disable_alpha = false);
|
||||
|
||||
} // namespace Texture
|
||||
} // namespace Pica
|
||||
Loading…
Reference in a new issue