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feat(sdk): CreateDestinationTexture from GpuBuffer
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,145 @@ | ||
diff --git a/mediapipe/gpu/gl_calculator_helper.cc b/mediapipe/gpu/gl_calculator_helper.cc | ||
index 8b63735..a60b815 100644 | ||
--- a/mediapipe/gpu/gl_calculator_helper.cc | ||
+++ b/mediapipe/gpu/gl_calculator_helper.cc | ||
@@ -136,6 +136,10 @@ GlTexture GlCalculatorHelper::CreateDestinationTexture(int output_width, | ||
return impl_->CreateDestinationTexture(output_width, output_height, format); | ||
} | ||
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+GlTexture GlCalculatorHelper::CreateDestinationTexture(const GpuBuffer& pixel_buffer) { | ||
+ return impl_->CreateDestinationTexture(pixel_buffer); | ||
+} | ||
+ | ||
GlContext& GlCalculatorHelper::GetGlContext() const { | ||
return impl_->GetGlContext(); | ||
} | ||
diff --git a/mediapipe/gpu/gl_calculator_helper.h b/mediapipe/gpu/gl_calculator_helper.h | ||
index 53178da..f400c43 100644 | ||
--- a/mediapipe/gpu/gl_calculator_helper.h | ||
+++ b/mediapipe/gpu/gl_calculator_helper.h | ||
@@ -144,6 +144,8 @@ class GlCalculatorHelper { | ||
int output_width, int output_height, | ||
GpuBufferFormat format = GpuBufferFormat::kBGRA32); | ||
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+ GlTexture CreateDestinationTexture(const GpuBuffer& pixel_buffer); | ||
+ | ||
// The OpenGL name of the output framebuffer. | ||
GLuint framebuffer() const; | ||
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diff --git a/mediapipe/gpu/gl_calculator_helper_impl.h b/mediapipe/gpu/gl_calculator_helper_impl.h | ||
index 2a20b84..9953081 100644 | ||
--- a/mediapipe/gpu/gl_calculator_helper_impl.h | ||
+++ b/mediapipe/gpu/gl_calculator_helper_impl.h | ||
@@ -50,6 +50,7 @@ class GlCalculatorHelperImpl { | ||
// Creates a framebuffer and returns the texture that it is bound to. | ||
GlTexture CreateDestinationTexture(int output_width, int output_height, | ||
GpuBufferFormat format); | ||
+ GlTexture CreateDestinationTexture(const GpuBuffer& gpu_buffer); | ||
|
||
GLuint framebuffer() const { return framebuffer_; } | ||
void BindFramebuffer(const GlTexture& dst); | ||
diff --git a/mediapipe/gpu/gl_calculator_helper_impl_common.cc b/mediapipe/gpu/gl_calculator_helper_impl_common.cc | ||
index 5a46042..7f01362 100644 | ||
--- a/mediapipe/gpu/gl_calculator_helper_impl_common.cc | ||
+++ b/mediapipe/gpu/gl_calculator_helper_impl_common.cc | ||
@@ -190,14 +190,18 @@ GlTextureBufferSharedPtr GlCalculatorHelperImpl::MakeGlTextureBuffer( | ||
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GlTexture GlCalculatorHelperImpl::CreateDestinationTexture( | ||
int width, int height, GpuBufferFormat format) { | ||
+ GpuBuffer buffer = | ||
+ gpu_resources_.gpu_buffer_pool().GetBuffer(width, height, format); | ||
+ | ||
+ return CreateDestinationTexture(buffer); | ||
+} | ||
+ | ||
+GlTexture GlCalculatorHelperImpl::CreateDestinationTexture(const GpuBuffer& gpu_buffer) { | ||
if (!framebuffer_) { | ||
CreateFramebuffer(); | ||
} | ||
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- GpuBuffer buffer = | ||
- gpu_resources_.gpu_buffer_pool().GetBuffer(width, height, format); | ||
- GlTexture texture = MapGpuBuffer(buffer, 0); | ||
- | ||
+ GlTexture texture = MapGpuBuffer(gpu_buffer, 0); | ||
return texture; | ||
} | ||
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diff --git a/mediapipe/gpu/gl_scaler_calculator.cc b/mediapipe/gpu/gl_scaler_calculator.cc | ||
index 8806267..92200ae 100644 | ||
--- a/mediapipe/gpu/gl_scaler_calculator.cc | ||
+++ b/mediapipe/gpu/gl_scaler_calculator.cc | ||
@@ -12,6 +12,8 @@ | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
+// Modified to enable to specify the target GpuBuffer | ||
+ | ||
#include "mediapipe/framework/calculator_framework.h" | ||
#include "mediapipe/framework/port/ret_check.h" | ||
#include "mediapipe/framework/port/status.h" | ||
@@ -58,6 +60,7 @@ namespace mediapipe { | ||
// existing calculator options, depending on field merge_fields. | ||
// OUTPUT_DIMENSIONS: the output width and height in pixels. | ||
// ROTATION: the counterclockwise rotation angle in degrees. | ||
+// DESTINATION: the target GpuBuffer | ||
// These can also be specified as options. | ||
// To enable horizontal or vertical flip, specify them in options. | ||
// The flipping is applied after rotation. | ||
@@ -82,6 +85,7 @@ class GlScalerCalculator : public CalculatorBase { | ||
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private: | ||
GlCalculatorHelper helper_; | ||
+ GpuBuffer dst_buffer_; | ||
int dst_width_ = 0; | ||
int dst_height_ = 0; | ||
float dst_scale_ = -1.f; | ||
@@ -109,6 +113,9 @@ REGISTER_CALCULATOR(GlScalerCalculator); | ||
} | ||
MP_RETURN_IF_ERROR(GlCalculatorHelper::UpdateContract(cc)); | ||
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+ if (cc->InputSidePackets().HasTag("DESTINATION")) { | ||
+ cc->InputSidePackets().Tag("DESTINATION").Set<GpuBuffer>(); | ||
+ } | ||
if (cc->InputSidePackets().HasTag("OPTIONS")) { | ||
cc->InputSidePackets().Tag("OPTIONS").Set<GlScalerCalculatorOptions>(); | ||
} | ||
@@ -175,6 +182,13 @@ REGISTER_CALCULATOR(GlScalerCalculator); | ||
dst_width_ = dimensions[0]; | ||
dst_height_ = dimensions[1]; | ||
} | ||
+ | ||
+ if (HasTagOrIndex(cc->InputSidePackets(), "DESTINATION", 1)) { | ||
+ dst_buffer_ = cc->InputSidePackets().Tag("DESTINATION").Get<GpuBuffer>(); | ||
+ dst_width_ = dst_buffer_.width(); | ||
+ dst_height_ = dst_buffer_.height(); | ||
+ } | ||
+ | ||
if (cc->InputSidePackets().HasTag("ROTATION")) { | ||
rotation_ccw = cc->InputSidePackets().Tag("ROTATION").Get<int>(); | ||
} | ||
@@ -185,7 +199,7 @@ REGISTER_CALCULATOR(GlScalerCalculator); | ||
} | ||
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::mediapipe::Status GlScalerCalculator::Process(CalculatorContext* cc) { | ||
- if (cc->Inputs().HasTag("OUTPUT_DIMENSIONS")) { | ||
+ if (!dst_buffer_ && cc->Inputs().HasTag("OUTPUT_DIMENSIONS")) { | ||
if (cc->Inputs().Tag("OUTPUT_DIMENSIONS").IsEmpty()) { | ||
// OUTPUT_DIMENSIONS input stream is specified, but value is missing. | ||
return ::mediapipe::OkStatus(); | ||
@@ -264,8 +278,13 @@ REGISTER_CALCULATOR(GlScalerCalculator); | ||
MakePacket<float>(left_right_padding).At(cc->InputTimestamp())); | ||
} | ||
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- auto dst = helper_.CreateDestinationTexture(dst_width, dst_height, | ||
- GetOutputFormat()); | ||
+ GlTexture dst; | ||
+ if (dst_buffer_) { | ||
+ dst_buffer_.GetGlTextureBufferSharedPtr()->Reuse(); | ||
+ dst = helper_.CreateDestinationTexture(dst_buffer_); | ||
+ } else { | ||
+ dst = helper_.CreateDestinationTexture(dst_width, dst_height, GetOutputFormat()); | ||
+ } | ||
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helper_.BindFramebuffer(dst); | ||
glActiveTexture(GL_TEXTURE1); |