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Renamed DEPTHPARAMS to PIXELCENTERCORRECTION 

This shader constant was previously used for depth remapping in D3D and for pixel center correction. Now it only serves one purpose and the new name makes it clear.
This commit is contained in:
Yuriy O'Donnell 2014-10-25 02:59:02 +02:00
parent 1fe3d07cbd
commit a886d8a8ee
4 changed files with 6 additions and 8 deletions
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2
Source/Core/VideoCommon/ConstantManager.h
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@ -42,7 +42,7 @@ struct VertexShaderConstants
float4 transformmatrices[64];
float4 normalmatrices[32];
float4 posttransformmatrices[64];
float4 depthparams;
float4 pixelcentercorrection;
float4 stereoparams;
};

4
Source/Core/VideoCommon/ShaderGenCommon.h
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@ -238,7 +238,7 @@ private:
#define I_TRANSFORMMATRICES "ctrmtx"
#define I_NORMALMATRICES "cnmtx"
#define I_POSTTRANSFORMMATRICES "cpostmtx"
#define I_DEPTHPARAMS "cDepth" // farZ, zRange
#define I_PIXELCENTERCORRECTION "cpixelcenter"
#define I_STEREOPARAMS "cstereo"
static const char s_shader_uniforms[] =
@ -250,5 +250,5 @@ static const char s_shader_uniforms[] =
"\tfloat4 " I_TRANSFORMMATRICES"[64];\n"
"\tfloat4 " I_NORMALMATRICES"[32];\n"
"\tfloat4 " I_POSTTRANSFORMMATRICES"[64];\n"
"\tfloat4 " I_DEPTHPARAMS";\n"
"\tfloat4 " I_PIXELCENTERCORRECTION";\n"
"\tfloat4 " I_STEREOPARAMS";\n";

2
Source/Core/VideoCommon/VertexShaderGen.cpp
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@ -430,7 +430,7 @@ static inline void GenerateVertexShader(T& out, u32 components, API_TYPE api_typ
// which in turn can be critical if it happens for clear quads.
// Hence, we compensate for this pixel center difference so that primitives
// get rasterized correctly.
out.Write("o.pos.xy = o.pos.xy - " I_DEPTHPARAMS".zw;\n");
out.Write("o.pos.xy = o.pos.xy - " I_PIXELCENTERCORRECTION".xy;\n");
if (api_type == API_OPENGL)
{

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

@ -359,8 +359,6 @@ void VertexShaderManager::SetConstants()
if (bViewportChanged)
{
bViewportChanged = false;
constants.depthparams[0] = xfmem.viewport.farZ / 16777216.0f;
constants.depthparams[1] = xfmem.viewport.zRange / 16777216.0f;
// The console GPU places the pixel center at 7/12 unless antialiasing
// is enabled, while D3D and OpenGL place it at 0.5. See the comment
@ -370,8 +368,8 @@ void VertexShaderManager::SetConstants()
const float pixel_center_correction = 7.0f / 12.0f - 0.5f;
const float pixel_size_x = 2.f / Renderer::EFBToScaledXf(2.f * xfmem.viewport.wd);
const float pixel_size_y = 2.f / Renderer::EFBToScaledXf(2.f * xfmem.viewport.ht);
constants.depthparams[2] = pixel_center_correction * pixel_size_x;
constants.depthparams[3] = pixel_center_correction * pixel_size_y;
constants.pixelcentercorrection[0] = pixel_center_correction * pixel_size_x;
constants.pixelcentercorrection[1] = pixel_center_correction * pixel_size_y;
dirty = true;
// This is so implementation-dependent that we can't have it here.
g_renderer->SetViewport();