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BPFunctions: Move GX viewport conversion to VideoCommon

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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63
Source/Core/VideoBackends/D3D/Render.cpp
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@ -445,59 +445,17 @@ void Renderer::PokeEFB(EFBAccessType type, const EfbPokeData* points, size_t num
RestoreAPIState();
}
void Renderer::SetViewport()
void Renderer::SetViewport(float x, float y, float width, float height, float near_depth,
float far_depth)
{
// reversed gxsetviewport(xorig, yorig, width, height, nearz, farz)
// [0] = width/2
// [1] = height/2
// [2] = 16777215 * (farz - nearz)
// [3] = xorig + width/2 + 342
// [4] = yorig + height/2 + 342
// [5] = 16777215 * farz
// D3D crashes for zero viewports
if (xfmem.viewport.wd == 0 || xfmem.viewport.ht == 0)
return;
int scissorXOff = bpmem.scissorOffset.x * 2;
int scissorYOff = bpmem.scissorOffset.y * 2;
float X = Renderer::EFBToScaledXf(xfmem.viewport.xOrig - xfmem.viewport.wd - scissorXOff);
float Y = Renderer::EFBToScaledYf(xfmem.viewport.yOrig + xfmem.viewport.ht - scissorYOff);
float Wd = Renderer::EFBToScaledXf(2.0f * xfmem.viewport.wd);
float Ht = 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 (Wd < 0.0f)
{
X += Wd;
Wd = -Wd;
}
if (Ht < 0.0f)
{
Y += Ht;
Ht = -Ht;
}
// If an inverted or oversized depth range is used, we need to calculate the depth range in the
// vertex shader.
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;
}
// In D3D, the viewport rectangle must fit within the render target.
X = (X >= 0.f) ? X : 0.f;
Y = (Y >= 0.f) ? Y : 0.f;
Wd = (X + Wd <= GetTargetWidth()) ? Wd : (GetTargetWidth() - X);
Ht = (Y + Ht <= GetTargetHeight()) ? Ht : (GetTargetHeight() - Y);
// 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.
D3D11_VIEWPORT vp = CD3D11_VIEWPORT(X, Y, Wd, Ht, 1.0f - max_depth, 1.0f - min_depth);
D3D11_VIEWPORT vp;
vp.TopLeftX = MathUtil::Clamp(x, 0.0f, static_cast<float>(m_target_width - 1));
vp.TopLeftY = MathUtil::Clamp(y, 0.0f, static_cast<float>(m_target_height - 1));
vp.Width = MathUtil::Clamp(width, 1.0f, static_cast<float>(m_target_width) - vp.TopLeftX);
vp.Height = MathUtil::Clamp(height, 1.0f, static_cast<float>(m_target_height) - vp.TopLeftY);
vp.MinDepth = near_depth;
vp.MaxDepth = far_depth;
D3D::context->RSSetViewports(1, &vp);
}
@ -673,7 +631,6 @@ void Renderer::SwapImpl(AbstractTexture* texture, const EFBRectangle& xfb_region
// begin next frame
RestoreAPIState();
FramebufferManager::BindEFBRenderTarget();
SetViewport();
}
// ALWAYS call RestoreAPIState for each ResetAPIState call you're doing
@ -690,7 +647,7 @@ void Renderer::RestoreAPIState()
D3D::stateman->PopBlendState();
D3D::stateman->PopDepthState();
D3D::stateman->PopRasterizerState();
SetViewport();
BPFunctions::SetViewport();
BPFunctions::SetScissor();
}

3
Source/Core/VideoBackends/D3D/Render.h
View File

@ -34,7 +34,8 @@ public:
void SetSamplerState(u32 index, const SamplerState& state) override;
void UnbindTexture(const AbstractTexture* texture) override;
void SetInterlacingMode() override;
void SetViewport() override;
void SetViewport(float x, float y, float width, float height, float near_depth,
float far_depth) override;
void SetFullscreen(bool enable_fullscreen) override;
bool IsFullscreen() const override;

72
Source/Core/VideoBackends/OGL/Render.cpp
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@ -1136,75 +1136,23 @@ void Renderer::BBoxWrite(int index, u16 _value)
BoundingBox::Set(index, value);
}
void Renderer::SetViewport()
void Renderer::SetViewport(float x, float y, float width, float height, float near_depth,
float far_depth)
{
// reversed gxsetviewport(xorig, yorig, width, height, nearz, farz)
// [0] = width/2
// [1] = height/2
// [2] = 16777215 * (farz - nearz)
// [3] = xorig + width/2 + 342
// [4] = yorig + height/2 + 342
// [5] = 16777215 * farz
int scissorXOff = bpmem.scissorOffset.x * 2;
int scissorYOff = bpmem.scissorOffset.y * 2;
// TODO: ceil, floor or just cast to int?
float X = EFBToScaledXf(xfmem.viewport.xOrig - xfmem.viewport.wd - (float)scissorXOff);
float Y = EFBToScaledYf((float)EFB_HEIGHT - xfmem.viewport.yOrig + xfmem.viewport.ht +
(float)scissorYOff);
float Width = EFBToScaledXf(2.0f * xfmem.viewport.wd);
float Height = 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)
{
X += Width;
Width *= -1;
}
if (Height < 0)
{
Y += Height;
Height *= -1;
}
// Update the view port
// 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;
if (g_ogl_config.bSupportViewportFloat)
{
glViewportIndexedf(0, X, Y, Width, Height);
glViewportIndexedf(0, x, y, width, height);
}
else
{
auto iceilf = [](float f) { return static_cast<GLint>(ceilf(f)); };
glViewport(iceilf(X), iceilf(Y), iceilf(Width), iceilf(Height));
auto iceilf = [](float f) { return static_cast<GLint>(std::ceil(f)); };
glViewport(iceilf(x), iceilf(y), iceilf(width), iceilf(height));
}
if (!g_ActiveConfig.backend_info.bSupportsDepthClamp)
{
// There's no way to support oversized depth ranges in this situation. Let's just clamp the
// range to the maximum value supported by the console GPU and hope for the best.
min_depth = MathUtil::Clamp(min_depth, 0.0f, GX_MAX_DEPTH);
max_depth = MathUtil::Clamp(max_depth, 0.0f, GX_MAX_DEPTH);
}
if (UseVertexDepthRange())
{
// We need to ensure depth values are clamped the maximum value supported by the console GPU.
// Taking into account whether the depth range is inverted or not.
if (xfmem.viewport.zRange < 0.0f)
{
min_depth = GX_MAX_DEPTH;
max_depth = 0.0f;
}
else
{
min_depth = 0.0f;
max_depth = GX_MAX_DEPTH;
}
}
// Set the reversed depth range.
glDepthRangef(max_depth, min_depth);
glDepthRangef(near_depth, far_depth);
}
void Renderer::ClearScreen(const EFBRectangle& rc, bool colorEnable, bool alphaEnable, bool zEnable,
@ -1563,9 +1511,9 @@ void Renderer::RestoreAPIState()
}
BPFunctions::SetGenerationMode();
BPFunctions::SetScissor();
BPFunctions::SetViewport();
BPFunctions::SetDepthMode();
BPFunctions::SetBlendMode();
SetViewport();
ProgramShaderCache::BindLastVertexFormat();
const VertexManager* const vm = static_cast<VertexManager*>(g_vertex_manager.get());

3
Source/Core/VideoBackends/OGL/Render.h
View File

@ -98,7 +98,8 @@ public:
void SetSamplerState(u32 index, const SamplerState& state) override;
void UnbindTexture(const AbstractTexture* texture) override;
void SetInterlacingMode() override;
void SetViewport() override;
void SetViewport(float x, float y, float width, float height, float near_depth,
float far_depth) override;
void RenderText(const std::string& text, int left, int top, u32 color) override;

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);
}

3
Source/Core/VideoBackends/Vulkan/Renderer.h
View File

@ -67,7 +67,8 @@ public:
void SetSamplerState(u32 index, const SamplerState& state) override;
void UnbindTexture(const AbstractTexture* texture) override;
void SetInterlacingMode() override;
void SetViewport() override;
void SetViewport(float x, float y, float width, float height, float near_depth,
float far_depth) override;
void ChangeSurface(void* new_surface_handle) override;

71
Source/Core/VideoCommon/BPFunctions.cpp
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@ -12,6 +12,7 @@
#include "VideoCommon/VertexManagerBase.h"
#include "VideoCommon/VideoCommon.h"
#include "VideoCommon/VideoConfig.h"
#include "VideoCommon/XFMemory.h"
namespace BPFunctions
{
@ -68,6 +69,76 @@ void SetScissor()
g_renderer->SetScissorRect(rc);
}
void SetViewport()
{
int scissor_x_off = bpmem.scissorOffset.x * 2;
int scissor_y_off = bpmem.scissorOffset.y * 2;
float x = g_renderer->EFBToScaledXf(xfmem.viewport.xOrig - xfmem.viewport.wd - scissor_x_off);
float y = g_renderer->EFBToScaledYf(xfmem.viewport.yOrig + xfmem.viewport.ht - scissor_y_off);
float width = g_renderer->EFBToScaledXf(2.0f * xfmem.viewport.wd);
float height = g_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.f)
{
x += width;
width *= -1;
}
if (height < 0.f)
{
y += height;
height *= -1;
}
// The maximum depth that is written to the depth buffer should never exceed this value.
// This is necessary because we use a 2^24 divisor for all our depth values to prevent
// floating-point round-trip errors. However the console GPU doesn't ever write a value
// to the depth buffer that exceeds 2^24 - 1.
constexpr float GX_MAX_DEPTH = 16777215.0f / 16777216.0f;
if (!g_ActiveConfig.backend_info.bSupportsDepthClamp)
{
// There's no way to support oversized depth ranges in this situation. Let's just clamp the
// range to the maximum value supported by the console GPU and hope for the best.
min_depth = MathUtil::Clamp(min_depth, 0.0f, GX_MAX_DEPTH);
max_depth = MathUtil::Clamp(max_depth, 0.0f, GX_MAX_DEPTH);
}
if (g_renderer->UseVertexDepthRange())
{
// We need to ensure depth values are clamped the maximum value supported by the console GPU.
// Taking into account whether the depth range is inverted or not.
if (xfmem.viewport.zRange < 0.0f && g_ActiveConfig.backend_info.bSupportsReversedDepthRange)
{
min_depth = GX_MAX_DEPTH;
max_depth = 0.0f;
}
else
{
min_depth = 0.0f;
max_depth = GX_MAX_DEPTH;
}
}
float near_depth, far_depth;
if (g_ActiveConfig.backend_info.bSupportsReversedDepthRange)
{
// Set the reversed depth range.
near_depth = max_depth;
far_depth = min_depth;
}
else
{
// 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.
near_depth = 1.0f - max_depth;
far_depth = 1.0f - min_depth;
}
g_renderer->SetViewport(x, y, width, height, near_depth, far_depth);
}
void SetDepthMode()
{
DepthState state = {};

1
Source/Core/VideoCommon/BPFunctions.h
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@ -17,6 +17,7 @@ namespace BPFunctions
void FlushPipeline();
void SetGenerationMode();
void SetScissor();
void SetViewport();
void SetDepthMode();
void SetBlendMode();
void ClearScreen(const EFBRectangle& rc);

2
Source/Core/VideoCommon/BPStructs.cpp
View File

@ -130,6 +130,7 @@ static void BPWritten(const BPCmd& bp)
case BPMEM_SCISSORBR: // Scissor Rectable Bottom, Right
case BPMEM_SCISSOROFFSET: // Scissor Offset
SetScissor();
SetViewport();
VertexShaderManager::SetViewportChanged();
GeometryShaderManager::SetViewportChanged();
return;
@ -1415,6 +1416,7 @@ void BPReload()
// note that PixelShaderManager is already covered since it has its own DoState.
SetGenerationMode();
SetScissor();
SetViewport();
SetDepthMode();
SetBlendMode();
OnPixelFormatChange();

6
Source/Core/VideoCommon/RenderBase.cpp
View File

@ -71,12 +71,6 @@ static int OSDTime;
std::unique_ptr<Renderer> g_renderer;
// The maximum depth that is written to the depth buffer should never exceed this value.
// This is necessary because we use a 2^24 divisor for all our depth values to prevent
// floating-point round-trip errors. However the console GPU doesn't ever write a value
// to the depth buffer that exceeds 2^24 - 1.
const float Renderer::GX_MAX_DEPTH = 16777215.0f / 16777216.0f;
static float AspectToWidescreen(float aspect)
{
return aspect * ((16.0f / 9.0f) / (4.0f / 3.0f));

7
Source/Core/VideoCommon/RenderBase.h
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@ -77,7 +77,10 @@ public:
virtual void SetSamplerState(u32 index, const SamplerState& state) {}
virtual void UnbindTexture(const AbstractTexture* texture) {}
virtual void SetInterlacingMode() {}
virtual void SetViewport() {}
virtual void SetViewport(float x, float y, float width, float height, float near_depth,
float far_depth)
{
}
virtual void SetFullscreen(bool enable_fullscreen) {}
virtual bool IsFullscreen() const { return false; }
virtual void ApplyState() {}
@ -184,8 +187,6 @@ protected:
std::unique_ptr<PostProcessingShaderImplementation> m_post_processor;
static const float GX_MAX_DEPTH;
void* m_surface_handle = nullptr;
void* m_new_surface_handle = nullptr;
Common::Flag m_surface_needs_change;

4
Source/Core/VideoCommon/VertexShaderManager.cpp
View File

@ -16,6 +16,7 @@
#include "Common/MathUtil.h"
#include "Core/ConfigManager.h"
#include "Core/Core.h"
#include "VideoCommon/BPFunctions.h"
#include "VideoCommon/BPMemory.h"
#include "VideoCommon/CPMemory.h"
#include "VideoCommon/RenderBase.h"
@ -420,8 +421,7 @@ void VertexShaderManager::SetConstants()
}
dirty = true;
// This is so implementation-dependent that we can't have it here.
g_renderer->SetViewport();
BPFunctions::SetViewport();
// Update projection if the viewport isn't 1:1 useable
if (!g_ActiveConfig.backend_info.bSupportsOversizedViewports)