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Adding two new immutable texture GpuBufferFormat types

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PiperOrigin-RevId: 577002534
This commit is contained in:
MediaPipe Team 2023-10-26 15:22:08 -07:00 committed by Copybara-Service
parent e7121e4feb
commit 5459705038
3 changed files with 27 additions and 0 deletions
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8
mediapipe/gpu/gl_texture_buffer.cc
View File

@ -14,6 +14,8 @@
#include "mediapipe/gpu/gl_texture_buffer.h"
#include <cstdint>
#include "absl/log/absl_check.h"
#include "absl/log/absl_log.h"
#include "mediapipe/framework/formats/image_frame.h"
@ -131,6 +133,12 @@ bool GlTextureBuffer::CreateInternal(const void* data, int alignment) {
SymbolAvailable(&glTexStorage2D)) {
ABSL_CHECK(data == nullptr) << "unimplemented";
glTexStorage2D(target_, 1, info.gl_internal_format, width_, height_);
} else if (info.immutable) {
ABSL_CHECK(SymbolAvailable(&glTexStorage2D) &&
context->GetGlVersion() != GlVersion::kGLES2)
<< "Immutable GpuBuffer format requested is not supported in this "
<< "GLContext. Format was " << static_cast<uint32_t>(format_);
glTexStorage2D(target_, 1, info.gl_internal_format, width_, height_);
} else {
glTexImage2D(target_, 0 /* level */, info.gl_internal_format, width_,
height_, 0 /* border */, info.gl_format, info.gl_type, data);

10
mediapipe/gpu/gpu_buffer_format.cc
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@ -163,6 +163,14 @@ const GlTextureInfo& GlTextureInfoForGpuBufferFormat(GpuBufferFormat format,
{
{GL_RGBA32F, GL_RGBA, GL_FLOAT, 1},
}},
{GpuBufferFormat::kImmutableRGBAFloat128,
{
{GL_RGBA32F, GL_RGBA, GL_FLOAT, 1, true /* immutable */},
}},
{GpuBufferFormat::kImmutableRGBA32,
{
{GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, 1, true /* immutable */},
}},
}};
static const auto* gles2_format_info = ([] {
@ -206,6 +214,7 @@ const GlTextureInfo& GlTextureInfoForGpuBufferFormat(GpuBufferFormat format,
ImageFormat::Format ImageFormatForGpuBufferFormat(GpuBufferFormat format) {
switch (format) {
case GpuBufferFormat::kImmutableRGBA32:
case GpuBufferFormat::kBGRA32:
// TODO: verify we are handling order of channels correctly.
return ImageFormat::SRGBA;
@ -221,6 +230,7 @@ ImageFormat::Format ImageFormatForGpuBufferFormat(GpuBufferFormat format) {
return ImageFormat::SRGB;
case GpuBufferFormat::kTwoComponentFloat32:
return ImageFormat::VEC32F2;
case GpuBufferFormat::kImmutableRGBAFloat128:
case GpuBufferFormat::kRGBAFloat128:
return ImageFormat::VEC32F4;
case GpuBufferFormat::kRGBA32:

9
mediapipe/gpu/gpu_buffer_format.h
View File

@ -53,6 +53,10 @@ enum class GpuBufferFormat : uint32_t {
kRGB24 = 0x00000018, // Note: prefer BGRA32 whenever possible.
kRGBAHalf64 = MEDIAPIPE_FOURCC('R', 'G', 'h', 'A'),
kRGBAFloat128 = MEDIAPIPE_FOURCC('R', 'G', 'f', 'A'),
// Immutable version of kRGBA32
kImmutableRGBA32 = MEDIAPIPE_FOURCC('4', 'C', 'I', '8'),
// Immutable version of kRGBAFloat128
kImmutableRGBAFloat128 = MEDIAPIPE_FOURCC('4', 'C', 'I', 'f'),
// 8-bit Y plane + interleaved 8-bit U/V plane with 2x2 subsampling.
kNV12 = MEDIAPIPE_FOURCC('N', 'V', '1', '2'),
// 8-bit Y plane + interleaved 8-bit V/U plane with 2x2 subsampling.
@ -78,6 +82,9 @@ struct GlTextureInfo {
// For multiplane buffers, this represents how many times smaller than
// the nominal image size a plane is.
int downscale;
// For GLES3.1+ compute shaders, users may explicitly request immutable
// textures
bool immutable = false;
};
const GlTextureInfo& GlTextureInfoForGpuBufferFormat(GpuBufferFormat format,
@ -121,6 +128,8 @@ inline OSType CVPixelFormatForGpuBufferFormat(GpuBufferFormat format) {
return kCVPixelFormatType_64RGBAHalf;
case GpuBufferFormat::kRGBAFloat128:
return kCVPixelFormatType_128RGBAFloat;
case GpuBufferFormat::kImmutableRGBA32:
case GpuBufferFormat::kImmutableRGBAFloat128:
case GpuBufferFormat::kNV12:
case GpuBufferFormat::kNV21:
case GpuBufferFormat::kI420: