blob: f7ea5b52ce408d122a0a3b564c3e59448d6bb8d6 [file] [log] [blame]
/*
* Copyright 2019 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/gpu/GrContext.h"
#include "src/gpu/GrContextPriv.h"
#include "tests/Test.h"
#import <Metal/Metal.h>
#include "src/gpu/mtl/GrMtlCaps.h"
// In BackendAllocationTest.cpp
void test_wrapping(GrContext* context, skiatest::Reporter* reporter,
std::function<GrBackendTexture (GrContext*,
GrMipMapped,
GrRenderable)> create,
GrColorType colorType, GrMipMapped mipMapped, GrRenderable renderable);
void test_color_init(GrContext* context, skiatest::Reporter* reporter,
std::function<GrBackendTexture (GrContext*,
const SkColor4f&,
GrMipMapped,
GrRenderable)> create,
GrColorType colorType, const SkColor4f& color,
GrMipMapped mipMapped, GrRenderable renderable);
DEF_GPUTEST_FOR_METAL_CONTEXT(MtlBackendAllocationTest, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
const GrMtlCaps* mtlCaps = static_cast<const GrMtlCaps*>(context->priv().caps());
constexpr SkColor4f kTransCol { 0, 0.25f, 0.75f, 0.5f };
constexpr SkColor4f kGrayCol { 0.75f, 0.75f, 0.75f, 0.75f };
struct {
GrColorType fColorType;
MTLPixelFormat fFormat;
SkColor4f fColor;
} combinations[] = {
{ GrColorType::kRGBA_8888, MTLPixelFormatRGBA8Unorm, SkColors::kRed },
{ GrColorType::kRGBA_8888_SRGB, MTLPixelFormatRGBA8Unorm_sRGB, SkColors::kRed },
// In this configuration (i.e., an RGB_888x colortype with an RGBA8 backing format),
// there is nothing to tell Skia to make the provided color opaque. Clients will need
// to provide an opaque initialization color in this case.
{ GrColorType::kRGB_888x, MTLPixelFormatRGBA8Unorm, SkColors::kYellow },
{ GrColorType::kBGRA_8888, MTLPixelFormatBGRA8Unorm, SkColors::kBlue },
{ GrColorType::kRGBA_1010102, MTLPixelFormatRGB10A2Unorm, { 0.5f, 0, 0, 1.0f } },
#ifdef SK_BUILD_FOR_IOS
{ GrColorType::kBGR_565, MTLPixelFormatB5G6R5Unorm, SkColors::kRed },
{ GrColorType::kABGR_4444, MTLPixelFormatABGR4Unorm, SkColors::kGreen },
#endif
{ GrColorType::kAlpha_8, MTLPixelFormatA8Unorm, kTransCol },
{ GrColorType::kAlpha_8, MTLPixelFormatR8Unorm, kTransCol },
{ GrColorType::kGray_8, MTLPixelFormatR8Unorm, kGrayCol },
{ GrColorType::kRGBA_F16_Clamped, MTLPixelFormatRGBA16Float, SkColors::kLtGray },
{ GrColorType::kRGBA_F16, MTLPixelFormatRGBA16Float, SkColors::kYellow },
{ GrColorType::kRG_88, MTLPixelFormatRG8Unorm, { 0.5f, 0.5f, 0, 1 } },
{ GrColorType::kAlpha_F16, MTLPixelFormatR16Float, { 1.0f, 0, 0, 0.5f } },
{ GrColorType::kAlpha_16, MTLPixelFormatR16Unorm, kTransCol },
{ GrColorType::kRG_1616, MTLPixelFormatRG16Unorm, SkColors::kYellow },
{ GrColorType::kRGBA_16161616, MTLPixelFormatRGBA16Unorm, SkColors::kLtGray },
{ GrColorType::kRG_F16, MTLPixelFormatRG16Float, SkColors::kYellow },
};
for (auto combo : combinations) {
GrBackendFormat format = GrBackendFormat::MakeMtl(combo.fFormat);
if (!mtlCaps->isFormatTexturable(combo.fFormat)) {
continue;
}
// skbug.com/9086 (Metal caps may not be handling RGBA32 correctly)
if (GrColorType::kRGBA_F32 == combo.fColorType) {
continue;
}
for (auto mipMapped : { GrMipMapped::kNo, GrMipMapped::kYes }) {
if (GrMipMapped::kYes == mipMapped && !mtlCaps->mipMapSupport()) {
continue;
}
for (auto renderable : { GrRenderable::kNo, GrRenderable::kYes }) {
if (GrRenderable::kYes == renderable) {
// We must also check whether we allow rendering to the format using the
// color type.
if (!mtlCaps->isFormatAsColorTypeRenderable(
combo.fColorType, GrBackendFormat::MakeMtl(combo.fFormat), 1)) {
continue;
}
}
{
auto uninitCreateMtd = [format](GrContext* context,
GrMipMapped mipMapped,
GrRenderable renderable) {
return context->createBackendTexture(32, 32, format,
mipMapped, renderable,
GrProtected::kNo);
};
test_wrapping(context, reporter, uninitCreateMtd,
combo.fColorType, mipMapped, renderable);
}
{
// We're creating backend textures without specifying a color type "view" of
// them at the public API level. Therefore, Ganesh will not apply any swizzles
// before writing the color to the texture. However, our validation code does
// rely on interpreting the texture contents via a SkColorType and therefore
// swizzles may be applied during the read step.
// Ideally we'd update our validation code to use a "raw" read that doesn't
// impose a color type but for now we just munge the data we upload to match the
// expectation.
GrSwizzle swizzle;
switch (combo.fColorType) {
case GrColorType::kAlpha_8:
swizzle = GrSwizzle("aaaa");
break;
case GrColorType::kAlpha_16:
swizzle = GrSwizzle("aaaa");
break;
case GrColorType::kAlpha_F16:
swizzle = GrSwizzle("aaaa");
break;
default:
break;
}
auto createWithColorMtd = [format, swizzle](GrContext* context,
const SkColor4f& color,
GrMipMapped mipMapped,
GrRenderable renderable) {
auto swizzledColor = swizzle.applyTo(color);
return context->createBackendTexture(32, 32, format, swizzledColor,
mipMapped, renderable);
};
// We make our comparison color using SkPixmap::erase(color) on a pixmap of
// combo.fColorType and then calling SkPixmap::readPixels(). erase() will premul
// the color passed to it. However, createBackendTexture() that takes a
// SkColor4f is color type/alpha type unaware and will simply compute luminance
// from the r, g, b, channels.
SkColor4f color = combo.fColor;
if (combo.fColorType == GrColorType::kGray_8) {
color = {color.fR * color.fA,
color.fG * color.fA,
color.fB * color.fA,
1.f};
}
test_color_init(context, reporter, createWithColorMtd, combo.fColorType, color,
mipMapped, renderable);
}
}
}
}
}