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[client] egl: import shared GPU textures

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This commit is contained in:
Geoffrey McRae
2026-09-30 15:33:36 +10:00
parent adf9ac3035
commit ed3b269919
9 changed files with 563 additions and 22 deletions
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32
client/include/interface/external_frame.h
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@@ -23,14 +23,39 @@
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
typedef enum LG_ExternalFrameType
{
LG_EXTERNAL_FRAME_INVALID = 0,
LG_EXTERNAL_FRAME_DMABUF = 1,
LG_EXTERNAL_FRAME_INVALID = 0,
LG_EXTERNAL_FRAME_DMABUF = 1,
LG_EXTERNAL_FRAME_EGL_TEXTURE = 2,
}
LG_ExternalFrameType;
#define LG_EXTERNAL_FRAME_EGL_TEXTURE_VERSION 1U
/*
* A texture created in a context which shares objects with the renderer's EGL
* context. The producer must perform all decode and colour conversion on the
* GPU and expose a completed RGB(A) GL_TEXTURE_2D; this interface deliberately
* provides no CPU pixel or YUV conversion path.
*
* readySync is an optional GLsync encoded as an integer-sized handle. The
* consumer waits on it before sampling, but does not delete it. Both the
* texture and readySync remain owned by the external frame and remain valid
* while the consumer holds a reference to that frame.
*/
typedef struct LG_ExternalFrameEGLTexture
{
uint32_t version;
uint32_t size;
uint32_t texture;
uint32_t target;
uintptr_t readySync;
}
LG_ExternalFrameEGLTexture;
typedef struct LG_ExternalFrame LG_ExternalFrame;
/*
@@ -41,7 +66,8 @@ typedef struct LG_ExternalFrame LG_ExternalFrame;
* never close or otherwise release a queried resource.
*
* LG_EXTERNAL_FRAME_DMABUF queries return one native file descriptor in an
* int-sized result buffer.
* int-sized result buffer. LG_EXTERNAL_FRAME_EGL_TEXTURE queries return an
* LG_ExternalFrameEGLTexture.
*/
typedef struct LG_ExternalFrameOps
{