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OGL: Add some basic state tracking

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We would want to improve the granularity here in the future, but for
now, this should avoid any performance loss from switching to the
VideoCommon shader cache.
This commit is contained in:
Stenzek
2018-02-26 21:01:21 +10:00
parent f9c829c7f7
commit fc1fe0672b
2 changed files with 27 additions and 9 deletions
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27
Source/Core/VideoBackends/OGL/Render.cpp
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@ -1290,8 +1290,11 @@ void Renderer::SetAndClearFramebuffer(const AbstractFramebuffer* framebuffer,
glClear(clear_mask);
}
void Renderer::ApplyBlendingState(const BlendingState& state)
void Renderer::ApplyBlendingState(const BlendingState state, bool force)
{
if (!force && m_current_blend_state == state)
return;
bool useDualSource =
state.usedualsrc && g_ActiveConfig.backend_info.bSupportsDualSourceBlend &&
(!DriverDetails::HasBug(DriverDetails::BUG_BROKEN_DUAL_SOURCE_BLENDING) || state.dstalpha);
@ -1364,6 +1367,7 @@ void Renderer::ApplyBlendingState(const BlendingState& state)
}
glColorMask(state.colorupdate, state.colorupdate, state.colorupdate, state.alphaupdate);
m_current_blend_state = state;
}
// This function has the final picture. We adjust the aspect ratio here.
@ -1561,15 +1565,19 @@ void Renderer::RestoreAPIState()
glEnable(GL_CLIP_DISTANCE0);
glEnable(GL_CLIP_DISTANCE1);
}
BPFunctions::SetGenerationMode();
BPFunctions::SetScissor();
BPFunctions::SetViewport();
BPFunctions::SetDepthMode();
BPFunctions::SetBlendMode();
ApplyRasterizationState(m_current_rasterization_state, true);
ApplyDepthState(m_current_depth_state, true);
ApplyBlendingState(m_current_blend_state, true);
}
void Renderer::ApplyRasterizationState(const RasterizationState& state)
void Renderer::ApplyRasterizationState(const RasterizationState state, bool force)
{
if (!force && m_current_rasterization_state == state)
return;
// none, ccw, cw, ccw
if (state.cullmode != GenMode::CULL_NONE)
{
@ -1581,10 +1589,15 @@ void Renderer::ApplyRasterizationState(const RasterizationState& state)
{
glDisable(GL_CULL_FACE);
}
m_current_rasterization_state = state;
}
void Renderer::ApplyDepthState(const DepthState& state)
void Renderer::ApplyDepthState(const DepthState state, bool force)
{
if (!force && m_current_depth_state == state)
return;
const GLenum glCmpFuncs[8] = {GL_NEVER, GL_LESS, GL_EQUAL, GL_LEQUAL,
GL_GREATER, GL_NOTEQUAL, GL_GEQUAL, GL_ALWAYS};
@ -1602,6 +1615,8 @@ void Renderer::ApplyDepthState(const DepthState& state)
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
}
m_current_depth_state = state;
}
void Renderer::SetPipeline(const AbstractPipeline* pipeline)