dolphin/Source/Core/VideoBackends/OGL/OGLTexture.h

104 lines
3.5 KiB
C++

// Copyright 2017 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include <string>
#include <string_view>
#include <vector>
#include "Common/GL/GLUtil.h"
#include "VideoCommon/AbstractFramebuffer.h"
#include "VideoCommon/AbstractStagingTexture.h"
#include "VideoCommon/AbstractTexture.h"
namespace OGL
{
class OGLTexture final : public AbstractTexture
{
public:
explicit OGLTexture(const TextureConfig& tex_config, std::string_view name);
~OGLTexture();
void CopyRectangleFromTexture(const AbstractTexture* src,
const MathUtil::Rectangle<int>& src_rect, u32 src_layer,
u32 src_level, const MathUtil::Rectangle<int>& dst_rect,
u32 dst_layer, u32 dst_level) override;
void ResolveFromTexture(const AbstractTexture* src, const MathUtil::Rectangle<int>& rect,
u32 layer, u32 level) override;
void Load(u32 level, u32 width, u32 height, u32 row_length, const u8* buffer, size_t buffer_size,
u32 layer) override;
GLuint GetGLTextureId() const { return m_texId; }
GLenum GetGLTarget() const
{
return IsMultisampled() ? GL_TEXTURE_2D_MULTISAMPLE_ARRAY : GL_TEXTURE_2D_ARRAY;
}
GLenum GetGLFormatForImageTexture() const;
private:
void BlitFramebuffer(OGLTexture* srcentry, const MathUtil::Rectangle<int>& src_rect,
u32 src_layer, u32 src_level, const MathUtil::Rectangle<int>& dst_rect,
u32 dst_layer, u32 dst_level);
GLuint m_texId;
std::string m_name;
};
class OGLStagingTexture final : public AbstractStagingTexture
{
public:
OGLStagingTexture() = delete;
~OGLStagingTexture();
void CopyFromTexture(const AbstractTexture* src, const MathUtil::Rectangle<int>& src_rect,
u32 src_layer, u32 src_level,
const MathUtil::Rectangle<int>& dst_rect) override;
void CopyToTexture(const MathUtil::Rectangle<int>& src_rect, AbstractTexture* dst,
const MathUtil::Rectangle<int>& dst_rect, u32 dst_layer,
u32 dst_level) override;
bool Map() override;
void Unmap() override;
void Flush() override;
static std::unique_ptr<OGLStagingTexture> Create(StagingTextureType type,
const TextureConfig& config);
private:
OGLStagingTexture(StagingTextureType type, const TextureConfig& config, GLenum target,
GLuint buffer_name, size_t buffer_size, char* map_ptr, size_t map_stride);
private:
GLenum m_target;
GLuint m_buffer_name;
size_t m_buffer_size;
GLsync m_fence = nullptr;
};
class OGLFramebuffer final : public AbstractFramebuffer
{
public:
OGLFramebuffer(AbstractTexture* color_attachment, AbstractTexture* depth_attachment,
std::vector<AbstractTexture*> additional_color_attachments,
AbstractTextureFormat color_format, AbstractTextureFormat depth_format, u32 width,
u32 height, u32 layers, u32 samples, GLuint fbo);
~OGLFramebuffer() override;
static std::unique_ptr<OGLFramebuffer>
Create(OGLTexture* color_attachment, OGLTexture* depth_attachment,
std::vector<AbstractTexture*> additional_color_attachments);
GLuint GetFBO() const { return m_fbo; }
// Used for updating the dimensions of the system/window framebuffer.
void UpdateDimensions(u32 width, u32 height);
protected:
GLuint m_fbo;
};
} // namespace OGL