blob: 12b03e0f9b30a83ed1d1fcbdd2b3f3cec7a42fdb [file] [log] [blame]
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/common/gpu_memory_buffer_support.h"
#include <GLES2/gl2.h>
#include <GLES2/gl2extchromium.h>
#include "base/logging.h"
#include "base/stl_util.h"
#include "build/build_config.h"
#include "gpu/command_buffer/common/capabilities.h"
namespace gpu {
unsigned InternalFormatForGpuMemoryBufferFormat(gfx::BufferFormat format) {
switch (format) {
case gfx::BufferFormat::R_8:
return GL_RED_EXT;
case gfx::BufferFormat::R_16:
return GL_R16_EXT;
case gfx::BufferFormat::RG_88:
return GL_RG_EXT;
case gfx::BufferFormat::BGR_565:
return GL_RGB;
case gfx::BufferFormat::RGBA_4444:
return GL_RGBA;
case gfx::BufferFormat::RGBX_8888:
return GL_RGB;
case gfx::BufferFormat::RGBA_8888:
return GL_RGBA;
case gfx::BufferFormat::BGRX_8888:
return GL_RGB;
case gfx::BufferFormat::BGRX_1010102:
return GL_RGB10_A2_EXT;
case gfx::BufferFormat::RGBX_1010102:
return GL_RGB10_A2_EXT;
case gfx::BufferFormat::BGRA_8888:
return GL_BGRA_EXT;
case gfx::BufferFormat::RGBA_F16:
return GL_RGBA;
case gfx::BufferFormat::YVU_420:
return GL_RGB_YCRCB_420_CHROMIUM;
case gfx::BufferFormat::YUV_420_BIPLANAR:
return GL_RGB_YCBCR_420V_CHROMIUM;
case gfx::BufferFormat::UYVY_422:
return GL_RGB_YCBCR_422_CHROMIUM;
case gfx::BufferFormat::P010:
return GL_RGB_YCBCR_P010_CHROMIUM;
default:
NOTREACHED();
return 0;
}
}
bool IsImageFromGpuMemoryBufferFormatSupported(
gfx::BufferFormat format,
const gpu::Capabilities& capabilities) {
return capabilities.gpu_memory_buffer_formats.Has(format);
}
bool IsImageSizeValidForGpuMemoryBufferFormat(const gfx::Size& size,
gfx::BufferFormat format) {
switch (format) {
case gfx::BufferFormat::R_8:
case gfx::BufferFormat::R_16:
case gfx::BufferFormat::RG_88:
case gfx::BufferFormat::BGR_565:
case gfx::BufferFormat::RGBA_4444:
case gfx::BufferFormat::RGBA_8888:
case gfx::BufferFormat::RGBX_8888:
case gfx::BufferFormat::BGRA_8888:
case gfx::BufferFormat::BGRX_8888:
case gfx::BufferFormat::BGRX_1010102:
case gfx::BufferFormat::RGBX_1010102:
case gfx::BufferFormat::RGBA_F16:
return true;
case gfx::BufferFormat::YVU_420:
case gfx::BufferFormat::YUV_420_BIPLANAR:
case gfx::BufferFormat::P010:
// U and V planes are subsampled by a factor of 2.
return size.width() % 2 == 0 && size.height() % 2 == 0;
case gfx::BufferFormat::UYVY_422:
return size.width() % 2 == 0;
}
NOTREACHED();
return false;
}
uint32_t GetPlatformSpecificTextureTarget() {
#if defined(OS_MACOSX)
return GL_TEXTURE_RECTANGLE_ARB;
#elif defined(OS_ANDROID) || defined(OS_LINUX)
return GL_TEXTURE_EXTERNAL_OES;
#elif defined(OS_WIN) || defined(OS_FUCHSIA)
return GL_TEXTURE_2D;
#elif defined(OS_NACL)
NOTREACHED();
return 0;
#else
#error Unsupported OS
#endif
}
GPU_EXPORT uint32_t GetBufferTextureTarget(gfx::BufferUsage usage,
gfx::BufferFormat format,
const Capabilities& capabilities) {
bool found = base::Contains(capabilities.texture_target_exception_list,
gfx::BufferUsageAndFormat(usage, format));
return found ? gpu::GetPlatformSpecificTextureTarget() : GL_TEXTURE_2D;
}
GPU_EXPORT bool NativeBufferNeedsPlatformSpecificTextureTarget(
gfx::BufferFormat format) {
#if defined(USE_OZONE)
// Always use GL_TEXTURE_2D as the target for RGB textures.
// https://crbug.com/916728
if (format == gfx::BufferFormat::R_8 || format == gfx::BufferFormat::RG_88 ||
format == gfx::BufferFormat::RGBA_8888 ||
format == gfx::BufferFormat::BGRA_8888 ||
format == gfx::BufferFormat::RGBX_8888 ||
format == gfx::BufferFormat::BGRX_8888) {
return false;
}
#elif defined(OS_ANDROID)
if (format == gfx::BufferFormat::BGR_565 ||
format == gfx::BufferFormat::RGBA_8888) {
return false;
}
#endif
return true;
}
} // namespace gpu