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mesa: implement import win32 memory and semaphore

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Acked-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15504>
This commit is contained in:
Sidney Just 2022-03-22 22:55:32 -07:00 • committed by Marge Bot
parent 5e8702f796
commit c709bbde9e
1 changed files with 84 additions and 1 deletions
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85
src/mesa/main/externalobjects.c
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@ -84,6 +84,30 @@ import_memoryobj_fd(struct gl_context *ctx,
#endif
}
static void
import_memoryobj_win32(struct gl_context *ctx,
struct gl_memory_object *obj,
GLuint64 size,
void *handle)
{
struct pipe_screen *screen = ctx->pipe->screen;
struct winsys_handle whandle = {
.type = WINSYS_HANDLE_TYPE_WIN32_HANDLE,
#ifdef _WIN32
.handle = handle,
#else
.handle = 0,
#endif
#ifdef HAVE_LIBDRM
.modifier = DRM_FORMAT_MOD_INVALID,
#endif
};
obj->memory = screen->memobj_create_from_handle(screen,
&whandle,
obj->Dedicated);
}
/**
* Delete a memory object.
* Not removed from hash table here.
@ -616,6 +640,16 @@ import_semaphoreobj_fd(struct gl_context *ctx,
#endif
}
static void
import_semaphoreobj_win32(struct gl_context *ctx,
struct gl_semaphore_object *semObj,
void *handle)
{
struct pipe_context *pipe = ctx->pipe;
pipe->screen->create_fence_win32(pipe->screen, &semObj->fence, handle, PIPE_FD_TYPE_SYNCOBJ);
}
static void
server_wait_semaphore(struct gl_context *ctx,
struct gl_semaphore_object *semObj,
@ -1001,6 +1035,26 @@ _mesa_ImportMemoryWin32HandleEXT(GLuint memory,
GLenum handleType,
void *handle)
{
GET_CURRENT_CONTEXT(ctx);
const char *func = "glImportMemoryWin32HandleEXT";
if (!ctx->Extensions.EXT_memory_object_win32) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(unsupported)", func);
return;
}
if (handleType != GL_HANDLE_TYPE_OPAQUE_WIN32_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM, "%s(handleType=%u)", func, handleType);
return;
}
struct gl_memory_object *memObj = _mesa_lookup_memory_object(ctx, memory);
if (!memObj)
return;
import_memoryobj_win32(ctx, memObj, size, handle);
memObj->Immutable = GL_TRUE;
}
void GLAPIENTRY
@ -1044,4 +1098,33 @@ _mesa_ImportSemaphoreWin32HandleEXT(GLuint semaphore,
GLenum handleType,
void *handle)
{
}
GET_CURRENT_CONTEXT(ctx);
const char *func = "glImportSemaphoreWin32HandleEXT";
if (!ctx->Extensions.EXT_semaphore_win32) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(unsupported)", func);
return;
}
if (handleType != GL_HANDLE_TYPE_OPAQUE_WIN32_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM, "%s(handleType=%u)", func, handleType);
return;
}
struct gl_semaphore_object *semObj = _mesa_lookup_semaphore_object(ctx,
semaphore);
if (!semObj)
return;
if (semObj == &DummySemaphoreObject) {
semObj = semaphoreobj_alloc(ctx, semaphore);
if (!semObj) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
return;
}
_mesa_HashInsert(ctx->Shared->SemaphoreObjects, semaphore, semObj, true);
}
import_semaphoreobj_win32(ctx, semObj, handle);
}