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OpenGLDevice: Use glClearBuffer() instead of glClear()

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This commit is contained in:
Stenzek 2023-11-24 21:35:54 +10:00
parent 603531f916
commit e75c1a3b0a
No known key found for this signature in database
2 changed files with 10 additions and 30 deletions
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11
src/util/opengl_device.cpp
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@ -20,6 +20,8 @@
Log_SetChannel(OpenGLDevice);
static constexpr std::array<float, 4> s_clear_color = {{0.0f, 0.0f, 0.0f, 1.0f}};
OpenGLDevice::OpenGLDevice()
{
// Something which won't be matched..
@ -598,12 +600,9 @@ void OpenGLDevice::SetSwapInterval()
void OpenGLDevice::RenderBlankFrame()
{
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glDisable(GL_SCISSOR_TEST);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glClearBufferfv(GL_COLOR, 0, s_clear_color.data());
m_gl_context->SwapBuffers();
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_current_framebuffer ? m_current_framebuffer->GetGLId() : 0);
glEnable(GL_SCISSOR_TEST);
}
GPUDevice::AdapterAndModeList OpenGLDevice::GetAdapterAndModeList()
@ -697,6 +696,7 @@ bool OpenGLDevice::BeginPresent(bool skip_present)
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClearBufferfv(GL_COLOR, 0, s_clear_color.data());
const Common::Rectangle<s32> window_rc =
Common::Rectangle<s32>::FromExtents(0, 0, m_window_info.surface_width, m_window_info.surface_height);
@ -705,9 +705,6 @@ bool OpenGLDevice::BeginPresent(bool skip_present)
m_last_scissor = window_rc;
UpdateViewport();
UpdateScissor();
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
return true;
}

29
src/util/opengl_texture.cpp
View file

@ -481,22 +481,16 @@ void OpenGLDevice::CommitClear(OpenGLTexture* tex)
const GLenum attachment = tex->IsDepthStencil() ? GL_DEPTH_ATTACHMENT : GL_COLOR_ATTACHMENT0;
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, attachment, tex->GetGLTarget(), tex->GetGLId(), 0);
glDisable(GL_SCISSOR_TEST);
if (tex->IsDepthStencil())
{
if (glClearDepthf)
glClearDepthf(tex->GetClearDepth());
else
glClearDepth(tex->GetClearDepth());
glClear(GL_DEPTH_BUFFER_BIT);
const float depth = tex->GetClearDepth();
glClearBufferfv(GL_DEPTH, 0, &depth);
}
else
{
const auto color = tex->GetUNormClearColor();
glClearColor(color[0], color[1], color[2], color[3]);
glClear(GL_COLOR_BUFFER_BIT);
glClearBufferfv(GL_COLOR, 0, color.data());
}
glEnable(GL_SCISSOR_TEST);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, attachment, GL_TEXTURE_2D, 0, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_current_framebuffer ? m_current_framebuffer->GetGLId() : 0);
@ -515,7 +509,6 @@ void OpenGLDevice::CommitClear(OpenGLTexture* tex)
void OpenGLDevice::CommitClear(OpenGLFramebuffer* fb)
{
GLenum clear_flags = 0;
GLenum invalidate_attachments[2];
GLuint num_invalidate_attachments = 0;
@ -533,8 +526,7 @@ void OpenGLDevice::CommitClear(OpenGLFramebuffer* fb)
case GPUTexture::State::Cleared:
{
const auto color = FB->GetUNormClearColor();
glClearColor(color[0], color[1], color[2], color[3]);
clear_flags |= GL_COLOR_BUFFER_BIT;
glClearBufferfv(GL_COLOR, 0, color.data());
FB->SetState(GPUTexture::State::Dirty);
}
@ -559,11 +551,8 @@ void OpenGLDevice::CommitClear(OpenGLFramebuffer* fb)
case GPUTexture::State::Cleared:
{
if (glClearDepthf)
glClearDepthf(DS->GetClearDepth());
else
glClearDepth(DS->GetClearDepth());
clear_flags |= GL_DEPTH_BUFFER_BIT;
const float depth = DS->GetClearDepth();
glClearBufferfv(GL_DEPTH, 0, &depth);
DS->SetState(GPUTexture::State::Dirty);
}
break;
@ -577,12 +566,6 @@ void OpenGLDevice::CommitClear(OpenGLFramebuffer* fb)
}
}
if (clear_flags != 0)
{
glDisable(GL_SCISSOR_TEST);
glClear(clear_flags);
glEnable(GL_SCISSOR_TEST);
}
if (num_invalidate_attachments > 0 && glInvalidateFramebuffer)
glInvalidateFramebuffer(GL_DRAW_FRAMEBUFFER, num_invalidate_attachments, invalidate_attachments);
}