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VideoCommon: Add support for Abstract Framebuffers

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This commit is contained in:
Stenzek
2018-01-21 20:22:45 +10:00
parent 2a6d9e4713
commit 4c24a69710
31 changed files with 792 additions and 9 deletions
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56
Source/Core/VideoBackends/OGL/Render.cpp
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@ -827,6 +827,8 @@ void Renderer::Init()
// Initialize the FramebufferManager
g_framebuffer_manager = std::make_unique<FramebufferManager>(
m_target_width, m_target_height, s_MSAASamples, BoundingBox::NeedsStencilBuffer());
m_current_framebuffer_width = m_target_width;
m_current_framebuffer_height = m_target_height;
m_post_processor = std::make_unique<OpenGLPostProcessing>();
s_raster_font = std::make_unique<RasterFont>();
@ -843,6 +845,14 @@ std::unique_ptr<AbstractStagingTexture> Renderer::CreateStagingTexture(StagingTe
return OGLStagingTexture::Create(type, config);
}
std::unique_ptr<AbstractFramebuffer>
Renderer::CreateFramebuffer(const AbstractTexture* color_attachment,
const AbstractTexture* depth_attachment)
{
return OGLFramebuffer::Create(static_cast<const OGLTexture*>(color_attachment),
static_cast<const OGLTexture*>(depth_attachment));
}
void Renderer::RenderText(const std::string& text, int left, int top, u32 color)
{
s_raster_font->printMultilineText(text,
@ -1145,7 +1155,7 @@ void Renderer::SetViewport(float x, float y, float width, float height, float ne
{
// The x/y parameters here assume a upper-left origin. glViewport takes an offset from the
// lower-left of the framebuffer, so we must set y to the distance from the lower-left.
y = static_cast<float>(m_target_height) - y - height;
y = static_cast<float>(m_current_framebuffer_height) - y - height;
if (g_ogl_config.bSupportViewportFloat)
{
glViewportIndexedf(0, x, y, width, height);
@ -1238,6 +1248,44 @@ void Renderer::ReinterpretPixelData(unsigned int convtype)
}
}
void Renderer::SetFramebuffer(const AbstractFramebuffer* framebuffer)
{
glBindFramebuffer(GL_FRAMEBUFFER, static_cast<const OGLFramebuffer*>(framebuffer)->GetFBO());
m_current_framebuffer = framebuffer;
m_current_framebuffer_width = framebuffer->GetWidth();
m_current_framebuffer_height = framebuffer->GetHeight();
}
void Renderer::SetAndDiscardFramebuffer(const AbstractFramebuffer* framebuffer)
{
// EXT_discard_framebuffer could be used here to save bandwidth on tilers.
SetFramebuffer(framebuffer);
}
void Renderer::SetAndClearFramebuffer(const AbstractFramebuffer* framebuffer,
const ClearColor& color_value, float depth_value)
{
SetFramebuffer(framebuffer);
// NOTE: This disturbs the current scissor/mask setting.
// This won't be an issue when we implement proper state tracking.
glDisable(GL_SCISSOR_TEST);
GLbitfield clear_mask = 0;
if (framebuffer->HasColorBuffer())
{
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glClearColor(color_value[0], color_value[1], color_value[2], color_value[3]);
clear_mask |= GL_COLOR_BUFFER_BIT;
}
if (framebuffer->HasDepthBuffer())
{
glDepthMask(GL_TRUE);
glClearDepth(depth_value);
clear_mask |= GL_DEPTH_BUFFER_BIT;
}
glClear(clear_mask);
}
void Renderer::ApplyBlendingState(const BlendingState& state)
{
bool useDualSource =
@ -1351,6 +1399,9 @@ void Renderer::SwapImpl(AbstractTexture* texture, const EFBRectangle& xfb_region
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
m_current_framebuffer = nullptr;
m_current_framebuffer_width = m_backbuffer_width;
m_current_framebuffer_height = m_backbuffer_height;
// Copy the framebuffer to screen.
BlitScreen(sourceRc, flipped_trc, xfb_texture->GetRawTexIdentifier(),
@ -1496,6 +1547,9 @@ void Renderer::ResetAPIState()
void Renderer::RestoreAPIState()
{
m_current_framebuffer = nullptr;
m_current_framebuffer_width = m_target_width;
m_current_framebuffer_height = m_target_height;
FramebufferManager::SetFramebuffer(0);
// Gets us back into a more game-like state.