Reland "Allow direct readback for formats in non-ES OpenGL"
This is a reland of 162d16891fa07768d9fb9fbcd357a06878284907
Original change's description:
> Allow direct readback for formats in non-ES OpenGL
>
> Bug: skia:8962
> Change-Id: I85a2e228892a54cc2a0abd607d034515a9af12af
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/250258
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>
Bug: skia:8962
Change-Id: Id878df9747653f2b34e551073a4562277e789e9d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/250657
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 22338e2..fd7ff88 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -1377,7 +1377,7 @@
this->setColorTypeFormat(GrColorType::kRGBA_8888, GrGLFormat::kRGBA8);
// External IO ColorTypes:
- ctInfo.fExternalIOFormatCount = 1;
+ ctInfo.fExternalIOFormatCount = 2;
ctInfo.fExternalIOFormats.reset(
new ColorTypeInfo::ExternalIOFormats[ctInfo.fExternalIOFormatCount]());
int ioIdx = 0;
@@ -1389,6 +1389,14 @@
ioFormat.fExternalTexImageFormat = GR_GL_RGBA;
ioFormat.fExternalReadFormat = GR_GL_RGBA;
}
+ // Format: RGBA8, Surface: kRGBA_8888, Data: kBGRA_8888
+ {
+ auto& ioFormat = ctInfo.fExternalIOFormats[ioIdx++];
+ ioFormat.fColorType = GrColorType::kBGRA_8888;
+ ioFormat.fExternalType = GR_GL_UNSIGNED_BYTE;
+ ioFormat.fExternalTexImageFormat = 0; // TODO: Enable this on non-ES GL
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_BGRA : 0;
+ }
}
// Format: RGBA8, Surface: kBGRA_8888
@@ -1409,7 +1417,7 @@
ioFormat.fColorType = GrColorType::kBGRA_8888;
ioFormat.fExternalType = GR_GL_UNSIGNED_BYTE;
ioFormat.fExternalTexImageFormat = GR_GL_BGRA;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_BGRA : 0;
}
// Format: RGBA8, Surface: kBGRA_8888, Data: kRGBA_8888
@@ -1498,7 +1506,7 @@
ioFormat.fColorType = GrColorType::kAlpha_8;
ioFormat.fExternalType = GR_GL_UNSIGNED_BYTE;
ioFormat.fExternalTexImageFormat = GR_GL_RED;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RED : 0;
}
// Format: R8, Surface: kAlpha_8, Data: kAlpha_8xxx
@@ -1530,7 +1538,7 @@
ioFormat.fColorType = GrColorType::kGray_8;
ioFormat.fExternalType = GR_GL_UNSIGNED_BYTE;
ioFormat.fExternalTexImageFormat = GR_GL_RED;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RED : 0;
}
// Format: R8, Surface: kGray_8, Data: kGray_8xxx
@@ -1623,7 +1631,7 @@
ioFormat.fColorType = GrColorType::kAlpha_8;
ioFormat.fExternalType = GR_GL_UNSIGNED_BYTE;
ioFormat.fExternalTexImageFormat = GR_GL_ALPHA;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_ALPHA : 0;
}
// Format: ALPHA8, Surface: kAlpha_8, Data: kRGBA_8888
@@ -1829,6 +1837,7 @@
ioFormat.fExternalType = GR_GL_UNSIGNED_BYTE;
ioFormat.fExternalTexImageFormat = GR_GL_BGRA;
ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_BGRA : 0;
}
// Format: BGRA8, Surface: kBGRA_8888, Data: kRGBA_8888
@@ -1897,7 +1906,7 @@
ioFormat.fColorType = GrColorType::kBGR_565;
ioFormat.fExternalType = GR_GL_UNSIGNED_SHORT_5_6_5;
ioFormat.fExternalTexImageFormat = GR_GL_RGB;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RGB : 0;
}
// Format: RGB565, Surface: kBGR_565, Data: kRGBA_8888
@@ -2000,7 +2009,7 @@
ioFormat.fColorType = GrColorType::kRGBA_F16;
ioFormat.fExternalType = halfFloatType;
ioFormat.fExternalTexImageFormat = GR_GL_RGBA;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RGBA : 0;
}
// Format: RGBA16F, Surface: kRGBA_F16, Data: kRGBA_F32
@@ -2031,7 +2040,7 @@
ioFormat.fColorType = GrColorType::kRGBA_F16_Clamped;
ioFormat.fExternalType = halfFloatType;
ioFormat.fExternalTexImageFormat = GR_GL_RGBA;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RGBA : 0;
}
// Format: RGBA16F, Surface: kRGBA_F16_Clamped, Data: kRGBA_F32
@@ -2120,7 +2129,7 @@
ioFormat.fColorType = GrColorType::kAlpha_F16;
ioFormat.fExternalType = halfFloatType;
ioFormat.fExternalTexImageFormat = GR_GL_RED;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RED : 0;
}
// Format: R16F, Surface: kAlpha_F16, Data: kAlpha_F32xxx
@@ -2349,6 +2358,9 @@
ioFormat.fExternalType = GR_GL_UNSIGNED_BYTE;
ioFormat.fExternalTexImageFormat = GR_GL_RG;
ioFormat.fExternalReadFormat = 0;
+ if (GR_IS_GR_GL(standard) && !formatWorkarounds.fDisallowDirectRG8ReadPixels) {
+ ioFormat.fExternalReadFormat = GR_GL_RG;
+ }
}
// Format: RG8, Surface: kRG_88, Data: kRGBA_8888
@@ -2408,7 +2420,7 @@
ioFormat.fColorType = GrColorType::kRGBA_1010102;
ioFormat.fExternalType = GR_GL_UNSIGNED_INT_2_10_10_10_REV;
ioFormat.fExternalTexImageFormat = GR_GL_RGBA;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RGBA : 0;
}
// Format: RGB10_A2, Surface: kRGBA_1010102, Data: kRGBA_8888
@@ -2470,7 +2482,7 @@
ioFormat.fColorType = GrColorType::kABGR_4444;
ioFormat.fExternalType = GR_GL_UNSIGNED_SHORT_4_4_4_4;
ioFormat.fExternalTexImageFormat = GR_GL_RGBA;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RGBA : 0;
}
// Format: RGBA4, Surface: kABGR_4444, Data: kRGBA_8888
@@ -2677,7 +2689,7 @@
ioFormat.fColorType = GrColorType::kAlpha_16;
ioFormat.fExternalType = GR_GL_UNSIGNED_SHORT;
ioFormat.fExternalTexImageFormat = GR_GL_RED;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RED : 0;
}
// Format: R16, Surface: kAlpha_16, Data: kAlpha_8xxx
@@ -2743,7 +2755,7 @@
ioFormat.fColorType = GrColorType::kRG_1616;
ioFormat.fExternalType = GR_GL_UNSIGNED_SHORT;
ioFormat.fExternalTexImageFormat = GR_GL_RG;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RG : 0;
}
// Format: GR_GL_RG16, Surface: kRG_1616, Data: kRGBA_8888
@@ -2808,7 +2820,7 @@
ioFormat.fColorType = GrColorType::kRGBA_16161616;
ioFormat.fExternalType = GR_GL_UNSIGNED_SHORT;
ioFormat.fExternalTexImageFormat = GR_GL_RGBA;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RGBA : 0;
}
// Format: GR_GL_RGBA16, Surface: kRGBA_16161616, Data: kRGBA_8888
@@ -2897,7 +2909,7 @@
ioFormat.fColorType = GrColorType::kRG_F16;
ioFormat.fExternalType = halfFloatType;
ioFormat.fExternalTexImageFormat = GR_GL_RG;
- ioFormat.fExternalReadFormat = 0;
+ ioFormat.fExternalReadFormat = GR_IS_GR_GL(standard) ? GR_GL_RG : 0;
}
// Format: GR_GL_RG16F, Surface: kRG_F16, Data: kRGBA_F32
@@ -2937,8 +2949,6 @@
for (int k = 0; k < ctInfo.fExternalIOFormatCount; ++k) {
const auto& ioInfo = ctInfo.fExternalIOFormats[k];
SkASSERT(ioInfo.fColorType != GrColorType::kUnknown);
- // Make sure we at least support either reading or tex image.
- SkASSERT(ioInfo.fExternalReadFormat || ioInfo.fExternalTexImageFormat);
}
}
}
@@ -3681,6 +3691,13 @@
formatWorkarounds->fDisableLuminance16F = kIntelBroadwell_GrGLRenderer == ctxInfo.renderer() ||
ctxInfo.vendor() == kQualcomm_GrGLVendor;
+#ifdef SK_BUILD_FOR_MAC
+ // On a MacBookPro 11.5 running MacOS 10.13 with a Radeon M370X the TransferPixelsFrom test
+ // fails when transfering out from a GL_RG8 texture using GL_RG/GL_UNSIGNED_BYTE.
+ formatWorkarounds->fDisallowDirectRG8ReadPixels =
+ ctxInfo.renderer() == kAMDRadeonR9M3xx_GrGLRenderer;
+#endif
+
#ifdef SK_BUILD_FOR_ANDROID
// We don't usually use glTexStorage() on Android for performance reasons. (crbug.com/945506).
// On a NVIDIA Shield TV running Android 7.0 creating a texture with glTexImage2D() with
diff --git a/src/gpu/gl/GrGLCaps.h b/src/gpu/gl/GrGLCaps.h
index ef10d76..99058a6 100644
--- a/src/gpu/gl/GrGLCaps.h
+++ b/src/gpu/gl/GrGLCaps.h
@@ -449,6 +449,7 @@
bool fDisableRGB8ForMali400 = false;
bool fDisableLuminance16F = false;
bool fDontDisableTexStorageOnAndroid = false;
+ bool fDisallowDirectRG8ReadPixels = false;
};
void applyDriverCorrectnessWorkarounds(const GrGLContextInfo&, const GrContextOptions&,
diff --git a/src/gpu/gl/GrGLUtil.cpp b/src/gpu/gl/GrGLUtil.cpp
index 73d3e15..219c5b2 100644
--- a/src/gpu/gl/GrGLUtil.cpp
+++ b/src/gpu/gl/GrGLUtil.cpp
@@ -461,18 +461,26 @@
}
// The AMD string can have a somewhat arbitrary preamble (see skbug.com/7195)
- if (const char* amdString = strstr(rendererString, "Radeon")) {
+ static constexpr char kRadeonStr[] = "Radeon ";
+ if (const char* amdString = strstr(rendererString, kRadeonStr)) {
+ amdString += strlen(kRadeonStr);
char amdGeneration, amdTier, amdRevision;
- n = sscanf(amdString, "Radeon (TM) R9 M%c%c%c",
- &amdGeneration, &amdTier, &amdRevision);
+ // Sometimes there is a (TM) and sometimes not.
+ static constexpr char kTMStr[] = "(TM) ";
+ if (!strncmp(amdString, kTMStr, strlen(kTMStr))) {
+ amdString += strlen(kTMStr);
+ }
+ n = sscanf(amdString, "R9 M%c%c%c", &amdGeneration, &amdTier, &amdRevision);
if (3 == n) {
- if ('4' == amdGeneration) {
+ if ('3' == amdGeneration) {
+ return kAMDRadeonR9M3xx_GrGLRenderer;
+ } else if ('4' == amdGeneration) {
return kAMDRadeonR9M4xx_GrGLRenderer;
}
}
char amd0, amd1, amd2;
- n = sscanf(amdString, "Radeon HD 7%c%c%c Series", &amd0, &amd1, &amd2);
+ n = sscanf(amdString, "HD 7%c%c%c Series", &amd0, &amd1, &amd2);
if (3 == n) {
return kAMDRadeonHD7xxx_GrGLRenderer;
}
diff --git a/src/gpu/gl/GrGLUtil.h b/src/gpu/gl/GrGLUtil.h
index 65913ff..9b72f0a 100644
--- a/src/gpu/gl/GrGLUtil.h
+++ b/src/gpu/gl/GrGLUtil.h
@@ -95,6 +95,7 @@
kANGLE_GrGLRenderer,
kAMDRadeonHD7xxx_GrGLRenderer, // AMD Radeon HD 7000 Series
+ kAMDRadeonR9M3xx_GrGLRenderer, // AMD Radeon R9 M300 Series
kAMDRadeonR9M4xx_GrGLRenderer, // AMD Radeon R9 M400 Series
kOther_GrGLRenderer