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tune map_buffer: add scanout argument

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Vincent Wei
2020-03-19 22:28:55 +08:00
parent 61e22faeb9
commit 0e0c95e0a9
1 changed files with 7 additions and 1 deletions
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8
include/exstubs.h
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@@ -127,6 +127,8 @@ typedef struct _DrmSurfaceBuffer {
uint32_t cpp:8;
/** Is it a dumb buffer. Since 5.0.0. */
uint32_t dumb:1;
/** Is it a scanout buffer. Since 5.0.0. */
uint32_t scanout:1;
/** The width of the buffer. */
uint32_t width;
@@ -257,11 +259,15 @@ typedef struct _DrmDriverOps {
* This operation maps the buffer into the current process's virtual memory
* space, and returns the virtual address. If failed, it returns NULL.
*
* When \a for_scanout is not zero, the buffer will be used for scan out
* frame buffer.
*
* \note The driver must implement this operation. The driver must
* set a valid value for buff field of the DrmSurfaceBuffer object
* on success.
*/
uint8_t* (* map_buffer) (DrmDriver *driver, DrmSurfaceBuffer* buffer);
uint8_t* (* map_buffer) (DrmDriver *driver, DrmSurfaceBuffer* buffer,
int for_scanout);
/**
* This operation un-maps a buffer.