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citra/src/video_core/renderer_opengl/gl_texture_runtime.cpp

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// Copyright 2023 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/scope_exit.h"
#include "common/settings.h"
#include "video_core/custom_textures/material.h"
#include "video_core/renderer_base.h"
#include "video_core/renderer_opengl/gl_driver.h"
#include "video_core/renderer_opengl/gl_state.h"
#include "video_core/renderer_opengl/gl_texture_mailbox.h"
#include "video_core/renderer_opengl/gl_texture_runtime.h"
#include "video_core/renderer_opengl/pica_to_gl.h"
namespace OpenGL {
namespace {
using VideoCore::MapType;
using VideoCore::PixelFormat;
using VideoCore::SurfaceFlagBits;
using VideoCore::SurfaceType;
using VideoCore::TextureType;
constexpr GLenum TEMP_UNIT = GL_TEXTURE15;
constexpr FormatTuple DEFAULT_TUPLE = {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE};
static constexpr std::array<FormatTuple, 4> DEPTH_TUPLES = {{
{GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT}, // D16
{},
{GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT}, // D24
{GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8}, // D24S8
}};
static constexpr std::array<FormatTuple, 5> COLOR_TUPLES = {{
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8}, // RGBA8
{GL_RGB8, GL_BGR, GL_UNSIGNED_BYTE}, // RGB8
{GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1}, // RGB5A1
{GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5}, // RGB565
{GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4}, // RGBA4
}};
static constexpr std::array<FormatTuple, 5> COLOR_TUPLES_OES = {{
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE}, // RGBA8
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE}, // RGB8
{GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1}, // RGB5A1
{GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5}, // RGB565
{GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4}, // RGBA4
}};
static constexpr std::array<FormatTuple, 8> CUSTOM_TUPLES = {{
DEFAULT_TUPLE,
{GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE},
{GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_UNSIGNED_BYTE},
{GL_COMPRESSED_RG_RGTC2, GL_COMPRESSED_RG_RGTC2, GL_UNSIGNED_BYTE},
{GL_COMPRESSED_RGBA_BPTC_UNORM_ARB, GL_COMPRESSED_RGBA_BPTC_UNORM_ARB, GL_UNSIGNED_BYTE},
{GL_COMPRESSED_RGBA_ASTC_4x4, GL_COMPRESSED_RGBA_ASTC_4x4, GL_UNSIGNED_BYTE},
{GL_COMPRESSED_RGBA_ASTC_6x6, GL_COMPRESSED_RGBA_ASTC_6x6, GL_UNSIGNED_BYTE},
{GL_COMPRESSED_RGBA_ASTC_8x6, GL_COMPRESSED_RGBA_ASTC_8x6, GL_UNSIGNED_BYTE},
}};
[[nodiscard]] GLbitfield MakeBufferMask(SurfaceType type) {
switch (type) {
case SurfaceType::Color:
case SurfaceType::Texture:
case SurfaceType::Fill:
return GL_COLOR_BUFFER_BIT;
case SurfaceType::Depth:
return GL_DEPTH_BUFFER_BIT;
case SurfaceType::DepthStencil:
return GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
default:
UNREACHABLE_MSG("Invalid surface type!");
}
return GL_COLOR_BUFFER_BIT;
}
[[nodiscard]] u32 FboIndex(VideoCore::SurfaceType type) {
switch (type) {
case VideoCore::SurfaceType::Color:
case VideoCore::SurfaceType::Texture:
case VideoCore::SurfaceType::Fill:
return 0;
case VideoCore::SurfaceType::Depth:
return 1;
case VideoCore::SurfaceType::DepthStencil:
return 2;
default:
UNREACHABLE_MSG("Invalid surface type!");
}
return 0;
}
[[nodiscard]] OGLTexture MakeHandle(GLenum target, u32 width, u32 height, u32 levels,
const FormatTuple& tuple, std::string_view debug_name = "") {
OGLTexture texture{};
texture.Create();
glBindTexture(target, texture.handle);
glTexStorage2D(target, levels, tuple.internal_format, width, height);
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (!debug_name.empty()) {
glObjectLabel(GL_TEXTURE, texture.handle, -1, debug_name.data());
}
return texture;
}
} // Anonymous namespace
TextureRuntime::TextureRuntime(const Driver& driver_, VideoCore::RendererBase& renderer)
: driver{driver_}, blit_helper{driver} {
for (std::size_t i = 0; i < draw_fbos.size(); ++i) {
draw_fbos[i].Create();
read_fbos[i].Create();
}
}
TextureRuntime::~TextureRuntime() = default;
u32 TextureRuntime::RemoveThreshold() {
return SWAP_CHAIN_SIZE;
}
bool TextureRuntime::NeedsConversion(VideoCore::PixelFormat pixel_format) const {
const bool should_convert = pixel_format == PixelFormat::RGBA8 || // Needs byteswap
pixel_format == PixelFormat::RGB8; // Is converted to RGBA8
return driver.IsOpenGLES() && should_convert;
}
VideoCore::StagingData TextureRuntime::FindStaging(u32 size, bool upload) {
if (size > staging_buffer.size()) {
staging_buffer.resize(size);
}
return VideoCore::StagingData{
.size = size,
.offset = 0,
.mapped = std::span{staging_buffer.data(), size},
};
}
const FormatTuple& TextureRuntime::GetFormatTuple(PixelFormat pixel_format) const {
if (pixel_format == PixelFormat::Invalid) {
return DEFAULT_TUPLE;
}
const auto type = GetFormatType(pixel_format);
const std::size_t format_index = static_cast<std::size_t>(pixel_format);
if (type == SurfaceType::Color) {
ASSERT(format_index < COLOR_TUPLES.size());
return (driver.IsOpenGLES() ? COLOR_TUPLES_OES : COLOR_TUPLES)[format_index];
} else if (type == SurfaceType::Depth || type == SurfaceType::DepthStencil) {
const std::size_t tuple_idx = format_index - 14;
ASSERT(tuple_idx < DEPTH_TUPLES.size());
return DEPTH_TUPLES[tuple_idx];
}
return DEFAULT_TUPLE;
}
const FormatTuple& TextureRuntime::GetFormatTuple(VideoCore::CustomPixelFormat pixel_format) {
const std::size_t format_index = static_cast<std::size_t>(pixel_format);
return CUSTOM_TUPLES[format_index];
}
bool TextureRuntime::Reinterpret(Surface& source, Surface& dest,
const VideoCore::TextureCopy& copy) {
const PixelFormat src_format = source.pixel_format;
const PixelFormat dst_format = dest.pixel_format;
ASSERT_MSG(src_format != dst_format, "Reinterpretation with the same format is invalid");
if (src_format == PixelFormat::D24S8 && dst_format == PixelFormat::RGBA8) {
blit_helper.ConvertDS24S8ToRGBA8(source, dest, copy);
} else if (src_format == PixelFormat::RGBA4 && dst_format == PixelFormat::RGB5A1) {
blit_helper.ConvertRGBA4ToRGB5A1(source, dest, copy);
} else {
LOG_WARNING(Render_OpenGL, "Unimplemented reinterpretation {} -> {}",
VideoCore::PixelFormatAsString(src_format),
VideoCore::PixelFormatAsString(dst_format));
return false;
}
return true;
}
bool TextureRuntime::ClearTextureWithoutFbo(Surface& surface,
const VideoCore::TextureClear& clear) {
if (!driver.HasArbClearTexture() || driver.HasBug(DriverBug::BrokenClearTexture)) {
return false;
}
GLenum format{};
GLenum type{};
switch (surface.type) {
case SurfaceType::Color:
case SurfaceType::Texture:
format = GL_RGBA;
type = GL_FLOAT;
break;
case SurfaceType::Depth:
format = GL_DEPTH_COMPONENT;
type = GL_FLOAT;
break;
case SurfaceType::DepthStencil:
format = GL_DEPTH_STENCIL;
type = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
break;
default:
UNREACHABLE_MSG("Unknown surface type {}", surface.type);
}
glClearTexSubImage(surface.Handle(), clear.texture_level, clear.texture_rect.left,
clear.texture_rect.bottom, 0, clear.texture_rect.GetWidth(),
clear.texture_rect.GetHeight(), 1, format, type, &clear.value);
return true;
}
void TextureRuntime::ClearTexture(Surface& surface, const VideoCore::TextureClear& clear) {
if (ClearTextureWithoutFbo(surface, clear)) {
return;
}
OpenGLState state = OpenGLState::GetCurState();
state.scissor.enabled = true;
state.scissor.x = clear.texture_rect.left;
state.scissor.y = clear.texture_rect.bottom;
state.scissor.width = clear.texture_rect.GetWidth();
state.scissor.height = clear.texture_rect.GetHeight();
state.draw.draw_framebuffer = draw_fbos[FboIndex(surface.type)].handle;
state.Apply();
surface.Attach(GL_DRAW_FRAMEBUFFER, clear.texture_level, 0);
switch (surface.type) {
case SurfaceType::Color:
case SurfaceType::Texture:
state.color_mask.red_enabled = true;
state.color_mask.green_enabled = true;
state.color_mask.blue_enabled = true;
state.color_mask.alpha_enabled = true;
state.Apply();
glClearBufferfv(GL_COLOR, 0, clear.value.color.AsArray());
break;
case SurfaceType::Depth:
state.depth.write_mask = GL_TRUE;
state.Apply();
glClearBufferfv(GL_DEPTH, 0, &clear.value.depth);
break;
case SurfaceType::DepthStencil:
state.depth.write_mask = GL_TRUE;
state.stencil.write_mask = -1;
state.Apply();
glClearBufferfi(GL_DEPTH_STENCIL, 0, clear.value.depth, clear.value.stencil);
break;
default:
UNREACHABLE_MSG("Unknown surface type {}", surface.type);
}
}
bool TextureRuntime::CopyTextures(Surface& source, Surface& dest,
std::span<const VideoCore::TextureCopy> copies) {
const GLenum src_textarget = source.texture_type == VideoCore::TextureType::CubeMap
? GL_TEXTURE_CUBE_MAP
: GL_TEXTURE_2D;
const GLenum dest_textarget =
dest.texture_type == VideoCore::TextureType::CubeMap ? GL_TEXTURE_CUBE_MAP : GL_TEXTURE_2D;
for (const auto& copy : copies) {
glCopyImageSubData(source.Handle(), src_textarget, copy.src_level, copy.src_offset.x,
copy.src_offset.y, copy.src_layer, dest.Handle(), dest_textarget,
copy.dst_level, copy.dst_offset.x, copy.dst_offset.y, copy.dst_layer,
copy.extent.width, copy.extent.height, 1);
}
return true;
}
bool TextureRuntime::BlitTextures(Surface& source, Surface& dest,
const VideoCore::TextureBlit& blit) {
OpenGLState state = OpenGLState::GetCurState();
state.scissor.enabled = false;
state.draw.read_framebuffer = read_fbos[FboIndex(source.type)].handle;
state.draw.draw_framebuffer = draw_fbos[FboIndex(dest.type)].handle;
state.Apply();
source.Attach(GL_READ_FRAMEBUFFER, blit.src_level, blit.src_layer);
dest.Attach(GL_DRAW_FRAMEBUFFER, blit.dst_level, blit.dst_layer);
// Note: shadow map is treated as RGBA8 format in PICA, as well as in the rasterizer cache, but
// doing linear intepolation componentwise would cause incorrect value.
const GLbitfield buffer_mask = MakeBufferMask(source.type);
const bool is_shadow_map = True(source.flags & SurfaceFlagBits::ShadowMap);
const GLenum filter =
buffer_mask == GL_COLOR_BUFFER_BIT && !is_shadow_map ? GL_LINEAR : GL_NEAREST;
glBlitFramebuffer(blit.src_rect.left, blit.src_rect.bottom, blit.src_rect.right,
blit.src_rect.top, blit.dst_rect.left, blit.dst_rect.bottom,
blit.dst_rect.right, blit.dst_rect.top, buffer_mask, filter);
return true;
}
void TextureRuntime::GenerateMipmaps(Surface& surface) {
OpenGLState state = OpenGLState::GetCurState();
const auto generate = [&](u32 index) {
state.texture_units[0].texture_2d = surface.Handle(index);
state.Apply();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, surface.levels - 1);
glGenerateMipmap(GL_TEXTURE_2D);
};
generate(1);
if (surface.HasNormalMap()) {
generate(2);
}
}
Surface::Surface(TextureRuntime& runtime_, const VideoCore::SurfaceParams& params)
: SurfaceBase{params}, driver{&runtime_.GetDriver()}, runtime{&runtime_},
tuple{runtime->GetFormatTuple(pixel_format)} {
if (pixel_format == PixelFormat::Invalid) {
return;
}
glActiveTexture(TEMP_UNIT);
const GLenum target =
texture_type == VideoCore::TextureType::CubeMap ? GL_TEXTURE_CUBE_MAP : GL_TEXTURE_2D;
textures[0] = MakeHandle(target, width, height, levels, tuple, DebugName(false));
if (res_scale != 1) {
textures[1] = MakeHandle(target, GetScaledWidth(), GetScaledHeight(), levels, tuple,
DebugName(true, false));
}
}
Surface::Surface(TextureRuntime& runtime, const VideoCore::SurfaceBase& surface,
const VideoCore::Material* mat)
: SurfaceBase{surface}, tuple{runtime.GetFormatTuple(mat->format)} {
if (mat && !driver->IsCustomFormatSupported(mat->format)) {
return;
}
glActiveTexture(TEMP_UNIT);
const GLenum target =
texture_type == VideoCore::TextureType::CubeMap ? GL_TEXTURE_CUBE_MAP : GL_TEXTURE_2D;
custom_format = mat->format;
material = mat;
textures[0] = MakeHandle(target, mat->width, mat->height, levels, tuple, DebugName(false));
if (res_scale != 1) {
textures[1] = MakeHandle(target, mat->width, mat->height, levels, DEFAULT_TUPLE,
DebugName(true, true));
}
const bool has_normal = mat->Map(MapType::Normal);
if (has_normal) {
textures[2] =
MakeHandle(target, mat->width, mat->height, levels, tuple, DebugName(true, true));
}
}
Surface::~Surface() = default;
GLuint Surface::Handle(u32 index) const noexcept {
if (!textures[index].handle) {
return textures[0].handle;
}
return textures[index].handle;
}
GLuint Surface::CopyHandle() noexcept {
if (!copy_texture.handle) {
copy_texture = MakeHandle(GL_TEXTURE_2D, GetScaledWidth(), GetScaledHeight(), levels, tuple,
DebugName(true));
}
for (u32 level = 0; level < levels; level++) {
const u32 width = GetScaledWidth() >> level;
const u32 height = GetScaledHeight() >> level;
glCopyImageSubData(Handle(1), GL_TEXTURE_2D, level, 0, 0, 0, copy_texture.handle,
GL_TEXTURE_2D, level, 0, 0, 0, width, height, 1);
}
return copy_texture.handle;
}
void Surface::Upload(const VideoCore::BufferTextureCopy& upload,
const VideoCore::StagingData& staging) {
ASSERT(stride * GetFormatBytesPerPixel(pixel_format) % 4 == 0);
const u32 unscaled_width = upload.texture_rect.GetWidth();
const u32 unscaled_height = upload.texture_rect.GetHeight();
glPixelStorei(GL_UNPACK_ROW_LENGTH, unscaled_width);
glActiveTexture(TEMP_UNIT);
glBindTexture(GL_TEXTURE_2D, Handle(0));
glTexSubImage2D(GL_TEXTURE_2D, upload.texture_level, upload.texture_rect.left,
upload.texture_rect.bottom, unscaled_width, unscaled_height, tuple.format,
tuple.type, staging.mapped.data());
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
const VideoCore::TextureBlit blit = {
.src_level = upload.texture_level,
.dst_level = upload.texture_level,
.src_rect = upload.texture_rect,
.dst_rect = upload.texture_rect * res_scale,
};
if (res_scale != 1 && !runtime->blit_helper.Filter(*this, blit)) {
BlitScale(blit, true);
}
}
void Surface::UploadCustom(const VideoCore::Material* material, u32 level) {
const u32 width = material->width;
const u32 height = material->height;
const auto color = material->textures[0];
const Common::Rectangle filter_rect{0U, height, width, 0U};
glActiveTexture(TEMP_UNIT);
glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
const auto upload = [&](u32 index, VideoCore::CustomTexture* texture) {
glBindTexture(GL_TEXTURE_2D, Handle(index));
if (VideoCore::IsCustomFormatCompressed(custom_format)) {
const GLsizei image_size = static_cast<GLsizei>(texture->data.size());
glCompressedTexSubImage2D(GL_TEXTURE_2D, level, 0, 0, width, height, tuple.format,
image_size, texture->data.data());
} else {
glTexSubImage2D(GL_TEXTURE_2D, level, 0, 0, width, height, tuple.format, tuple.type,
texture->data.data());
}
};
upload(0, color);
const VideoCore::TextureBlit blit = {
.src_rect = filter_rect,
.dst_rect = filter_rect,
};
if (res_scale != 1 && !runtime->blit_helper.Filter(*this, blit)) {
BlitScale(blit, true);
}
for (u32 i = 1; i < VideoCore::MAX_MAPS; i++) {
const auto texture = material->textures[i];
if (!texture) {
continue;
}
upload(i + 1, texture);
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
}
void Surface::Download(const VideoCore::BufferTextureCopy& download,
const VideoCore::StagingData& staging) {
ASSERT(stride * GetFormatBytesPerPixel(pixel_format) % 4 == 0);
const u32 unscaled_width = download.texture_rect.GetWidth();
const u32 unscaled_height = download.texture_rect.GetHeight();
glPixelStorei(GL_UNPACK_ROW_LENGTH, unscaled_width);
// Scale down upscaled data before downloading it
if (res_scale != 1) {
const VideoCore::TextureBlit blit = {
.src_level = download.texture_level,
.dst_level = download.texture_level,
.src_rect = download.texture_rect * res_scale,
.dst_rect = download.texture_rect,
};
BlitScale(blit, false);
}
// Try to download without using an fbo. This should succeed on recent desktop drivers
if (DownloadWithoutFbo(download, staging)) {
return;
}
OpenGLState state = OpenGLState::GetCurState();
state.scissor.enabled = false;
state.draw.read_framebuffer = runtime->read_fbos[FboIndex(type)].handle;
state.Apply();
Attach(GL_READ_FRAMEBUFFER, download.texture_level, 0, false);
// Read the pixel data to the staging buffer
const auto& tuple = runtime->GetFormatTuple(pixel_format);
glReadPixels(download.texture_rect.left, download.texture_rect.bottom, unscaled_width,
unscaled_height, tuple.format, tuple.type, staging.mapped.data());
glPixelStorei(GL_PACK_ROW_LENGTH, 0);
}
bool Surface::DownloadWithoutFbo(const VideoCore::BufferTextureCopy& download,
const VideoCore::StagingData& staging) {
if (driver->IsOpenGLES()) {
return false;
}
const auto& tuple = runtime->GetFormatTuple(pixel_format);
const u32 unscaled_width = download.texture_rect.GetWidth();
glActiveTexture(TEMP_UNIT);
glPixelStorei(GL_PACK_ROW_LENGTH, unscaled_width);
SCOPE_EXIT({ glPixelStorei(GL_PACK_ROW_LENGTH, 0); });
// Prefer glGetTextureSubImage in most cases since it's the fastest and most convenient option
const bool is_full_download = download.texture_rect == GetRect();
const bool has_sub_image = driver->HasArbGetTextureSubImage();
if (has_sub_image) {
const GLsizei buf_size = static_cast<GLsizei>(staging.mapped.size());
glGetTextureSubImage(Handle(0), download.texture_level, download.texture_rect.left,
download.texture_rect.bottom, 0, download.texture_rect.GetWidth(),
download.texture_rect.GetHeight(), 1, tuple.format, tuple.type,
buf_size, staging.mapped.data());
return true;
} else if (is_full_download) {
// This should only trigger for full texture downloads in oldish intel drivers
// that only support up to 4.3
OpenGLState state = OpenGLState::GetCurState();
state.texture_units[0].texture_2d = Handle(0);
state.Apply();
glGetTexImage(GL_TEXTURE_2D, download.texture_level, tuple.format, tuple.type,
staging.mapped.data());
return true;
}
return false;
}
void Surface::Attach(GLenum target, u32 level, u32 layer, bool scaled) {
const GLuint handle = Handle(static_cast<u32>(scaled));
const GLenum textarget = texture_type == TextureType::CubeMap
? GL_TEXTURE_CUBE_MAP_POSITIVE_X + layer
: GL_TEXTURE_2D;
switch (type) {
case SurfaceType::Color:
case SurfaceType::Texture:
glFramebufferTexture2D(target, GL_COLOR_ATTACHMENT0, textarget, handle, level);
break;
case SurfaceType::Depth:
glFramebufferTexture2D(target, GL_DEPTH_ATTACHMENT, textarget, handle, level);
break;
case SurfaceType::DepthStencil:
glFramebufferTexture2D(target, GL_DEPTH_STENCIL_ATTACHMENT, textarget, handle, level);
break;
default:
UNREACHABLE_MSG("Invalid surface type!");
}
}
void Surface::ScaleUp(u32 new_scale) {
if (res_scale == new_scale || new_scale == 1) {
return;
}
res_scale = new_scale;
textures[1] = MakeHandle(GL_TEXTURE_2D, GetScaledWidth(), GetScaledHeight(), levels, tuple,
DebugName(true));
for (u32 level = 0; level < levels; level++) {
const VideoCore::TextureBlit blit = {
.src_level = level,
.dst_level = level,
.src_rect = GetRect(level),
.dst_rect = GetScaledRect(level),
};
BlitScale(blit, true);
}
}
u32 Surface::GetInternalBytesPerPixel() const {
// RGB8 is converted to RGBA8 on OpenGL ES since it doesn't support BGR8
if (driver->IsOpenGLES() && pixel_format == VideoCore::PixelFormat::RGB8) {
return 4;
}
return GetFormatBytesPerPixel(pixel_format);
}
void Surface::BlitScale(const VideoCore::TextureBlit& blit, bool up_scale) {
const u32 fbo_index = FboIndex(type);
OpenGLState state = OpenGLState::GetCurState();
state.scissor.enabled = false;
state.draw.read_framebuffer = runtime->read_fbos[fbo_index].handle;
state.draw.draw_framebuffer = runtime->draw_fbos[fbo_index].handle;
state.Apply();
Attach(GL_READ_FRAMEBUFFER, blit.src_level, blit.src_layer, !up_scale);
Attach(GL_DRAW_FRAMEBUFFER, blit.dst_level, blit.dst_layer, up_scale);
const GLenum buffer_mask = MakeBufferMask(type);
const GLenum filter = buffer_mask == GL_COLOR_BUFFER_BIT ? GL_LINEAR : GL_NEAREST;
glBlitFramebuffer(blit.src_rect.left, blit.src_rect.bottom, blit.src_rect.right,
blit.src_rect.top, blit.dst_rect.left, blit.dst_rect.bottom,
blit.dst_rect.right, blit.dst_rect.top, buffer_mask, filter);
}
Framebuffer::Framebuffer(TextureRuntime& runtime, const VideoCore::FramebufferParams& params,
const Surface* color, const Surface* depth)
: VideoCore::FramebufferParams{params}, res_scale{color ? color->res_scale
: (depth ? depth->res_scale : 1u)} {
if (shadow_rendering && !color) {
return;
}
if (color) {
attachments[0] = color->Handle();
}
if (depth) {
attachments[1] = depth->Handle();
}
framebuffer.Create();
OpenGLState state = OpenGLState::GetCurState();
state.draw.draw_framebuffer = framebuffer.handle;
state.Apply();
if (shadow_rendering) {
glFramebufferParameteri(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_WIDTH,
color->width * res_scale);
glFramebufferParameteri(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_HEIGHT,
color->height * res_scale);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,
0);
} else {
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
color ? color->Handle() : 0, color_level);
if (depth) {
if (depth->pixel_format == PixelFormat::D24S8) {
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT,
GL_TEXTURE_2D, depth->Handle(), depth_level);
} else {
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D,
depth->Handle(), depth_level);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,
0);
}
} else {
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
0, 0);
}
}
}
Framebuffer::~Framebuffer() = default;
Sampler::Sampler(TextureRuntime&, VideoCore::SamplerParams params) {
const GLenum mag_filter = PicaToGL::TextureMagFilterMode(params.mag_filter);
const GLenum min_filter = PicaToGL::TextureMinFilterMode(params.min_filter, params.mip_filter);
const GLenum wrap_s = PicaToGL::WrapMode(params.wrap_s);
const GLenum wrap_t = PicaToGL::WrapMode(params.wrap_t);
const Common::Vec4f gl_color = PicaToGL::ColorRGBA8(params.border_color);
const auto lod_min = static_cast<float>(params.lod_min);
const auto lod_max = static_cast<float>(params.lod_max);
sampler.Create();
const GLuint handle = sampler.handle;
glSamplerParameteri(handle, GL_TEXTURE_MAG_FILTER, mag_filter);
glSamplerParameteri(handle, GL_TEXTURE_MIN_FILTER, min_filter);
glSamplerParameteri(handle, GL_TEXTURE_WRAP_S, wrap_s);
glSamplerParameteri(handle, GL_TEXTURE_WRAP_T, wrap_t);
glSamplerParameterfv(handle, GL_TEXTURE_BORDER_COLOR, gl_color.AsArray());
glSamplerParameterf(handle, GL_TEXTURE_MIN_LOD, lod_min);
glSamplerParameterf(handle, GL_TEXTURE_MAX_LOD, lod_max);
}
Sampler::~Sampler() = default;
DebugScope::DebugScope(TextureRuntime& runtime, Common::Vec4f, std::string_view label)
: local_scope_depth{global_scope_depth++} {
if (!Settings::values.renderer_debug) {
return;
}
glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, local_scope_depth,
static_cast<GLsizei>(label.size()), label.data());
}
DebugScope::~DebugScope() {
if (!Settings::values.renderer_debug) {
return;
}
glPopDebugGroup();
global_scope_depth--;
}
} // namespace OpenGL
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