mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-23 06:09:50 -06:00
Video Backends: Split texture cache code out into separate files, introduce 'AbstractTexture'
This commit is contained in:
274
Source/Core/VideoBackends/OGL/OGLTexture.cpp
Normal file
274
Source/Core/VideoBackends/OGL/OGLTexture.cpp
Normal file
@ -0,0 +1,274 @@
|
||||
// Copyright 2017 Dolphin Emulator Project
|
||||
// Licensed under GPLv2+
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "Common/Assert.h"
|
||||
#include "Common/CommonTypes.h"
|
||||
#include "Common/GL/GLInterfaceBase.h"
|
||||
#include "Common/MsgHandler.h"
|
||||
|
||||
#include "VideoBackends/OGL/FramebufferManager.h"
|
||||
#include "VideoBackends/OGL/OGLTexture.h"
|
||||
#include "VideoBackends/OGL/Render.h"
|
||||
#include "VideoBackends/OGL/SamplerCache.h"
|
||||
#include "VideoBackends/OGL/TextureCache.h"
|
||||
|
||||
#include "VideoCommon/ImageWrite.h"
|
||||
#include "VideoCommon/TextureConfig.h"
|
||||
|
||||
namespace OGL
|
||||
{
|
||||
namespace
|
||||
{
|
||||
std::array<u32, 8> s_Textures;
|
||||
u32 s_ActiveTexture;
|
||||
|
||||
GLenum GetGLInternalFormatForTextureFormat(HostTextureFormat format, bool storage)
|
||||
{
|
||||
switch (format)
|
||||
{
|
||||
case HostTextureFormat::DXT1:
|
||||
return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
|
||||
case HostTextureFormat::DXT3:
|
||||
return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
|
||||
case HostTextureFormat::DXT5:
|
||||
return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
|
||||
case HostTextureFormat::RGBA8:
|
||||
default:
|
||||
return storage ? GL_RGBA8 : GL_RGBA;
|
||||
}
|
||||
}
|
||||
|
||||
GLenum GetGLFormatForTextureFormat(HostTextureFormat format)
|
||||
{
|
||||
switch (format)
|
||||
{
|
||||
case HostTextureFormat::RGBA8:
|
||||
return GL_RGBA;
|
||||
// Compressed texture formats don't use this parameter.
|
||||
default:
|
||||
return GL_UNSIGNED_BYTE;
|
||||
}
|
||||
}
|
||||
|
||||
GLenum GetGLTypeForTextureFormat(HostTextureFormat format)
|
||||
{
|
||||
switch (format)
|
||||
{
|
||||
case HostTextureFormat::RGBA8:
|
||||
return GL_UNSIGNED_BYTE;
|
||||
// Compressed texture formats don't use this parameter.
|
||||
default:
|
||||
return GL_UNSIGNED_BYTE;
|
||||
}
|
||||
}
|
||||
} // Anonymous namespace
|
||||
|
||||
bool SaveTexture(const std::string& filename, u32 textarget, u32 tex, int virtual_width,
|
||||
int virtual_height, unsigned int level)
|
||||
{
|
||||
if (GLInterface->GetMode() != GLInterfaceMode::MODE_OPENGL)
|
||||
return false;
|
||||
int width = std::max(virtual_width >> level, 1);
|
||||
int height = std::max(virtual_height >> level, 1);
|
||||
std::vector<u8> data(width * height * 4);
|
||||
glActiveTexture(GL_TEXTURE9);
|
||||
glBindTexture(textarget, tex);
|
||||
glGetTexImage(textarget, level, GL_RGBA, GL_UNSIGNED_BYTE, data.data());
|
||||
OGLTexture::SetStage();
|
||||
|
||||
return TextureToPng(data.data(), width * 4, filename, width, height, true);
|
||||
}
|
||||
|
||||
OGLTexture::OGLTexture(const TextureConfig& tex_config) : AbstractTexture(tex_config)
|
||||
{
|
||||
glGenTextures(1, &m_texId);
|
||||
|
||||
glActiveTexture(GL_TEXTURE9);
|
||||
glBindTexture(GL_TEXTURE_2D_ARRAY, m_texId);
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAX_LEVEL, m_config.levels - 1);
|
||||
|
||||
if (g_ogl_config.bSupportsTextureStorage)
|
||||
{
|
||||
GLenum gl_internal_format = GetGLInternalFormatForTextureFormat(m_config.format, true);
|
||||
glTexStorage3D(GL_TEXTURE_2D_ARRAY, m_config.levels, gl_internal_format, m_config.width,
|
||||
m_config.height, m_config.layers);
|
||||
}
|
||||
|
||||
if (m_config.rendertarget)
|
||||
{
|
||||
// We can't render to compressed formats.
|
||||
_assert_(!IsCompressedHostTextureFormat(m_config.format));
|
||||
|
||||
if (!g_ogl_config.bSupportsTextureStorage)
|
||||
{
|
||||
for (u32 level = 0; level < m_config.levels; level++)
|
||||
{
|
||||
glTexImage3D(GL_TEXTURE_2D_ARRAY, level, GL_RGBA, std::max(m_config.width >> level, 1u),
|
||||
std::max(m_config.height >> level, 1u), m_config.layers, 0, GL_RGBA,
|
||||
GL_UNSIGNED_BYTE, nullptr);
|
||||
}
|
||||
}
|
||||
glGenFramebuffers(1, &m_framebuffer);
|
||||
FramebufferManager::SetFramebuffer(m_framebuffer);
|
||||
FramebufferManager::FramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
||||
GL_TEXTURE_2D_ARRAY, m_texId, 0);
|
||||
}
|
||||
|
||||
SetStage();
|
||||
}
|
||||
|
||||
OGLTexture::~OGLTexture()
|
||||
{
|
||||
if (m_texId)
|
||||
{
|
||||
for (auto& gtex : s_Textures)
|
||||
if (gtex == m_texId)
|
||||
gtex = 0;
|
||||
glDeleteTextures(1, &m_texId);
|
||||
m_texId = 0;
|
||||
}
|
||||
|
||||
if (m_framebuffer)
|
||||
{
|
||||
glDeleteFramebuffers(1, &m_framebuffer);
|
||||
m_framebuffer = 0;
|
||||
}
|
||||
}
|
||||
|
||||
GLuint OGLTexture::GetRawTexIdentifier() const
|
||||
{
|
||||
return m_texId;
|
||||
}
|
||||
|
||||
GLuint OGLTexture::GetFramebuffer() const
|
||||
{
|
||||
return m_framebuffer;
|
||||
}
|
||||
|
||||
void OGLTexture::Bind(unsigned int stage)
|
||||
{
|
||||
if (s_Textures[stage] != m_texId)
|
||||
{
|
||||
if (s_ActiveTexture != stage)
|
||||
{
|
||||
glActiveTexture(GL_TEXTURE0 + stage);
|
||||
s_ActiveTexture = stage;
|
||||
}
|
||||
|
||||
glBindTexture(GL_TEXTURE_2D_ARRAY, m_texId);
|
||||
s_Textures[stage] = m_texId;
|
||||
}
|
||||
}
|
||||
|
||||
bool OGLTexture::Save(const std::string& filename, unsigned int level)
|
||||
{
|
||||
// We can't dump compressed textures currently (it would mean drawing them to a RGBA8
|
||||
// framebuffer, and saving that). TextureCache does not call Save for custom textures
|
||||
// anyway, so this is fine for now.
|
||||
_assert_(m_config.format == HostTextureFormat::RGBA8);
|
||||
|
||||
return SaveTexture(filename, GL_TEXTURE_2D_ARRAY, m_texId, m_config.width, m_config.height,
|
||||
level);
|
||||
}
|
||||
|
||||
void OGLTexture::CopyRectangleFromTexture(const AbstractTexture* source,
|
||||
const MathUtil::Rectangle<int>& srcrect,
|
||||
const MathUtil::Rectangle<int>& dstrect)
|
||||
{
|
||||
const OGLTexture* srcentry = static_cast<const OGLTexture*>(source);
|
||||
if (srcrect.GetWidth() == dstrect.GetWidth() && srcrect.GetHeight() == dstrect.GetHeight() &&
|
||||
g_ogl_config.bSupportsCopySubImage)
|
||||
{
|
||||
glCopyImageSubData(srcentry->m_texId, GL_TEXTURE_2D_ARRAY, 0, srcrect.left, srcrect.top, 0,
|
||||
m_texId, GL_TEXTURE_2D_ARRAY, 0, dstrect.left, dstrect.top, 0,
|
||||
dstrect.GetWidth(), dstrect.GetHeight(), srcentry->m_config.layers);
|
||||
return;
|
||||
}
|
||||
else if (!m_framebuffer)
|
||||
{
|
||||
glGenFramebuffers(1, &m_framebuffer);
|
||||
FramebufferManager::SetFramebuffer(m_framebuffer);
|
||||
FramebufferManager::FramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
||||
GL_TEXTURE_2D_ARRAY, m_texId, 0);
|
||||
}
|
||||
g_renderer->ResetAPIState();
|
||||
FramebufferManager::SetFramebuffer(m_framebuffer);
|
||||
glActiveTexture(GL_TEXTURE9);
|
||||
glBindTexture(GL_TEXTURE_2D_ARRAY, srcentry->m_texId);
|
||||
g_sampler_cache->BindLinearSampler(9);
|
||||
glViewport(dstrect.left, dstrect.top, dstrect.GetWidth(), dstrect.GetHeight());
|
||||
TextureCache::GetInstance()->GetColorCopyProgram().Bind();
|
||||
glUniform4f(TextureCache::GetInstance()->GetColorCopyPositionUniform(), float(srcrect.left),
|
||||
float(srcrect.top), float(srcrect.GetWidth()), float(srcrect.GetHeight()));
|
||||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||||
FramebufferManager::SetFramebuffer(0);
|
||||
g_renderer->RestoreAPIState();
|
||||
}
|
||||
|
||||
void OGLTexture::Load(u32 level, u32 width, u32 height, u32 row_length, const u8* buffer,
|
||||
size_t buffer_size)
|
||||
{
|
||||
if (level >= m_config.levels)
|
||||
PanicAlert("Texture only has %d levels, can't update level %d", m_config.levels, level);
|
||||
if (width != std::max(1u, m_config.width >> level) ||
|
||||
height != std::max(1u, m_config.height >> level))
|
||||
PanicAlert("size of level %d must be %dx%d, but %dx%d requested", level,
|
||||
std::max(1u, m_config.width >> level), std::max(1u, m_config.height >> level), width,
|
||||
height);
|
||||
|
||||
glActiveTexture(GL_TEXTURE9);
|
||||
glBindTexture(GL_TEXTURE_2D_ARRAY, m_texId);
|
||||
|
||||
if (row_length != width)
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, row_length);
|
||||
|
||||
GLenum gl_internal_format = GetGLInternalFormatForTextureFormat(m_config.format, false);
|
||||
if (IsCompressedHostTextureFormat(m_config.format))
|
||||
{
|
||||
if (g_ogl_config.bSupportsTextureStorage)
|
||||
{
|
||||
glCompressedTexSubImage3D(GL_TEXTURE_2D_ARRAY, level, 0, 0, 0, width, height, 1,
|
||||
gl_internal_format, static_cast<GLsizei>(buffer_size), buffer);
|
||||
}
|
||||
else
|
||||
{
|
||||
glCompressedTexImage3D(GL_TEXTURE_2D_ARRAY, level, gl_internal_format, width, height, 1, 0,
|
||||
static_cast<GLsizei>(buffer_size), buffer);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
GLenum gl_format = GetGLFormatForTextureFormat(m_config.format);
|
||||
GLenum gl_type = GetGLTypeForTextureFormat(m_config.format);
|
||||
if (g_ogl_config.bSupportsTextureStorage)
|
||||
{
|
||||
glTexSubImage3D(GL_TEXTURE_2D_ARRAY, level, 0, 0, 0, width, height, 1, gl_format, gl_type,
|
||||
buffer);
|
||||
}
|
||||
else
|
||||
{
|
||||
glTexImage3D(GL_TEXTURE_2D_ARRAY, level, gl_internal_format, width, height, 1, 0, gl_format,
|
||||
gl_type, buffer);
|
||||
}
|
||||
}
|
||||
|
||||
if (row_length != width)
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
|
||||
|
||||
SetStage();
|
||||
}
|
||||
|
||||
void OGLTexture::DisableStage(unsigned int stage)
|
||||
{
|
||||
}
|
||||
|
||||
void OGLTexture::SetStage()
|
||||
{
|
||||
// -1 is the initial value as we don't know which texture should be bound
|
||||
if (s_ActiveTexture != (u32)-1)
|
||||
glActiveTexture(GL_TEXTURE0 + s_ActiveTexture);
|
||||
}
|
||||
|
||||
} // namespace OGL
|
Reference in New Issue
Block a user