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authorgalop1n <galopin@gmail.com>2015-05-24 14:44:25 +0200
committerJules Blok <jules.blok@gmail.com>2015-05-26 15:31:31 +0200
commit2975e530914778f9abaa1aedf6a6c947559ef7ab (patch)
tree929ffe3d418da95a0b0259c0afec0ce9e522f9e2 /Source/Core/VideoCommon/TextureConversionShader.cpp
parent308b72d376168c27a621e9594bca3c4376bdd0c4 (diff)
D3D: Depth range inversion.
Credits go to Galop1n for designing this technique and to BhaaLseN for cleaning up the commit.
Diffstat (limited to 'Source/Core/VideoCommon/TextureConversionShader.cpp')
-rw-r--r--Source/Core/VideoCommon/TextureConversionShader.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/Source/Core/VideoCommon/TextureConversionShader.cpp b/Source/Core/VideoCommon/TextureConversionShader.cpp
index fac5a0823c..f93d465a16 100644
--- a/Source/Core/VideoCommon/TextureConversionShader.cpp
+++ b/Source/Core/VideoCommon/TextureConversionShader.cpp
@@ -462,15 +462,19 @@ static void WriteZ8Encoder(char*& p, const char* multiplier,API_TYPE ApiType)
WRITE(p, " float depth;\n");
WriteSampleColor(p, "r", "depth", 0, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth = 1.0f - depth;\n");
WRITE(p, "ocol0.b = frac(depth * %s);\n", multiplier);
WriteSampleColor(p, "r", "depth", 1, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth = 1.0f - depth;\n");
WRITE(p, "ocol0.g = frac(depth * %s);\n", multiplier);
WriteSampleColor(p, "r", "depth", 2, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth = 1.0f - depth;\n");
WRITE(p, "ocol0.r = frac(depth * %s);\n", multiplier);
WriteSampleColor(p, "r", "depth", 3, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth = 1.0f - depth;\n");
WRITE(p, "ocol0.a = frac(depth * %s);\n", multiplier);
WriteEncoderEnd(p, ApiType);
@@ -486,6 +490,7 @@ static void WriteZ16Encoder(char*& p,API_TYPE ApiType)
// byte order is reversed
WriteSampleColor(p, "r", "depth", 0, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth = 1.0f - depth;\n");
WRITE(p, " depth = clamp(depth * 16777216.0, 0.0, float(0xFFFFFF));\n");
WRITE(p, " expanded.r = floor(depth / (256.0 * 256.0));\n");
@@ -496,6 +501,7 @@ static void WriteZ16Encoder(char*& p,API_TYPE ApiType)
WRITE(p, " ocol0.g = expanded.r / 255.0;\n");
WriteSampleColor(p, "r", "depth", 1, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth = 1.0f - depth;\n");
WRITE(p, " depth = clamp(depth * 16777216.0, 0.0, float(0xFFFFFF));\n");
WRITE(p, " expanded.r = floor(depth / (256.0 * 256.0));\n");
@@ -518,6 +524,7 @@ static void WriteZ16LEncoder(char*& p,API_TYPE ApiType)
// byte order is reversed
WriteSampleColor(p, "r", "depth", 0, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth = 1.0f - depth;\n");
WRITE(p, " depth = clamp(depth * 16777216.0, 0.0, float(0xFFFFFF));\n");
WRITE(p, " expanded.r = floor(depth / (256.0 * 256.0));\n");
@@ -530,6 +537,7 @@ static void WriteZ16LEncoder(char*& p,API_TYPE ApiType)
WRITE(p, " ocol0.g = expanded.g / 255.0;\n");
WriteSampleColor(p, "r", "depth", 1, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth = 1.0f - depth;\n");
WRITE(p, " depth = clamp(depth * 16777216.0, 0.0, float(0xFFFFFF));\n");
WRITE(p, " expanded.r = floor(depth / (256.0 * 256.0));\n");
@@ -554,7 +562,9 @@ static void WriteZ24Encoder(char*& p, API_TYPE ApiType)
WRITE(p, " float3 expanded1;\n");
WriteSampleColor(p, "r", "depth0", 0, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth0 = 1.0f - depth0;\n");
WriteSampleColor(p, "r", "depth1", 1, ApiType);
+ if (ApiType == API_D3D) WRITE(p, "depth1 = 1.0f - depth1;\n");
for (int i = 0; i < 2; i++)
{