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BPFunctions: Move GX viewport conversion to VideoCommon

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This commit is contained in:
Stenzek
2018-01-21 22:04:15 +10:00
parent a2d2a0a356
commit 5359396099
12 changed files with 111 additions and 165 deletions
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41
Source/Core/VideoBackends/Vulkan/Renderer.cpp
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@ -810,7 +810,7 @@ void Renderer::RecreateEFBFramebuffer()
BindEFBToStateTracker();
// Viewport and scissor rect have to be reset since they will be scaled differently.
SetViewport();
BPFunctions::SetViewport();
BPFunctions::SetScissor();
}
@ -910,42 +910,11 @@ void Renderer::SetScissorRect(const EFBRectangle& rc)
StateTracker::GetInstance()->SetScissor(scissor);
}
void Renderer::SetViewport()
void Renderer::SetViewport(float x, float y, float width, float height, float near_depth,
float far_depth)
{
int scissor_x_offset = bpmem.scissorOffset.x * 2;
int scissor_y_offset = bpmem.scissorOffset.y * 2;
float x = Renderer::EFBToScaledXf(xfmem.viewport.xOrig - xfmem.viewport.wd - scissor_x_offset);
float y = Renderer::EFBToScaledYf(xfmem.viewport.yOrig + xfmem.viewport.ht - scissor_y_offset);
float width = Renderer::EFBToScaledXf(2.0f * xfmem.viewport.wd);
float height = Renderer::EFBToScaledYf(-2.0f * xfmem.viewport.ht);
float min_depth = (xfmem.viewport.farZ - xfmem.viewport.zRange) / 16777216.0f;
float max_depth = xfmem.viewport.farZ / 16777216.0f;
if (width < 0.0f)
{
x += width;
width = -width;
}
if (height < 0.0f)
{
y += height;
height = -height;
}
// If an oversized or inverted depth range is used, we need to calculate the depth range in the
// vertex shader.
// TODO: Inverted depth ranges are bugged in all drivers, which should be added to DriverDetails.
if (UseVertexDepthRange())
{
// We need to ensure depth values are clamped the maximum value supported by the console GPU.
min_depth = 0.0f;
max_depth = GX_MAX_DEPTH;
}
// We use an inverted depth range here to apply the Reverse Z trick.
// This trick makes sure we match the precision provided by the 1:0
// clipping depth range on the hardware.
VkViewport viewport = {x, y, width, height, 1.0f - max_depth, 1.0f - min_depth};
VkViewport viewport = {x, y, std::max(width, 1.0f), std::max(height, 1.0f),
near_depth, far_depth};
StateTracker::GetInstance()->SetViewport(viewport);
}