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This commit is contained in:
Vincent Wei
2019-07-08 12:03:52 +08:00
parent a2cd26ea99
commit 61819fd832
2 changed files with 229 additions and 8 deletions
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96
include/exstubs.h
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@@ -96,11 +96,20 @@ typedef struct _DriDriver DriDriver;
typedef struct _DriDriverOps {
DriDriver* (*create_driver) (int device_fd);
void (*destroy_driver) (DriDriver *driver);
/**
* This operator creates a buffer with the specified pixel format,
* width, and height. If succeed, a valid (not zero) buffer id
* and the picth (row stride in bytes) will be returned.
* If failed, it returns 0.
*
* \note The driver must implement this operator.
*/
uint32_t (* create_buffer) (DriDriver *driver,
int depth, int bpp,
unsigned int width, unsigned int height,
unsigned int width, unsigned int height,
unsigned int *pitch);
BOOL (* fetch_buffer) (DriDriver *driver,
@@ -108,19 +117,104 @@ typedef struct _DriDriverOps {
unsigned int *width, unsigned int *height,
unsigned int *pitch);
/**
* This operator maps the buffer into the current process virtual memory
* space, and returns the virtual address. If failed, it returns NULL.
*
* \note The driver must implement this operator.
*/
uint8_t* (* map_buffer) (DriDriver *driver,
uint32_t buffer_id);
/**
* This operator un-maps a buffer.
*
* \note The driver must implement this operator.
*/
void (* unmap_buffer) (DriDriver *driver,
uint32_t buffer_id);
#if 0
uint8_t * (* begin_flush) (DriDriver *driver,
uint32_t buffer_id);
void (* end_flush) (DriDriver *driver,
uint32_t buffer_id);
#endif
/**
* This operator destroies a buffer.
*
* \note The driver must implement this operator.
*/
void (* destroy_buffer) (DriDriver *driver,
uint32_t buffer_id);
/**
* This operator clears the specific rectangle area of a buffer
* with the specific pixel value. If succeed, it returns 0.
*
* \note If this operator is set as NULL, the driver does not support
* hardware accelerated clear operation.
*/
int (* clear_buffer) (DriDriver *driver,
uint32_t buffer_id, const GAL_Rect* rc, uint32_t pixel_value);
/**
* This operator checks whether a hardware accelerated blit
* can be done between the source buffer and the destination buffer.
* If succeed, it returns 0.
*
* \note If this operator is set as NULL, it will be supposed that
* the driver does not support any hardware accelerated blit operation.
*/
int (* check_blit) (DriDriver *driver,
uint32_t src_id, uint32_t dst_id);
/**
* This operator copies bits from a source buffer to a destination buffer.
*
* \note If this operator is set as NULL, the driver does not support
* hardware accelerated copy blit.
*/
int (* copy_blit) (DriDriver *driver,
uint32_t src_id, const GAL_Rect* src_rc,
uint32_t dst_id, const GAL_Rect* dst_rc);
/**
* This operator blits pixles from a source buffer with the source alpha value
* specified to a destination buffer.
*
* \note If this operator is set as NULL, the driver does not support
* hardware accelerated blit with alpha.
*/
int (* alpha_blit) (DriDriver *driver,
uint32_t src_id, const GAL_Rect* src_rc,
uint32_t dst_id, const GAL_Rect* dst_rc, uint8_t alpha);
/**
* This operator blits pixles from a source buffer to a destination buffer,
* but skipping the pixel value specified by \a color_key.
*
* \note If this operator is set as NULL, the driver does not support
* hardware accelerated blit with color key.
*/
int (* key_blit) (DriDriver *driver,
uint32_t src_id, const GAL_Rect* src_rc,
uint32_t dst_id, const GAL_Rect* dst_rc, uint32_t color_key);
/**
* This operator blits pixles from a source buffer with the source alpha value
* specified to a destination buffer, but skipping the pixel value specified.
*
* \note If this operator is set as NULL, the driver does not support
* hardware accelerated blit with alpha and color key.
*/
int (* alpha_key_blit) (DriDriver *driver,
uint32_t src_id, const GAL_Rect* src_rc,
uint32_t dst_id, const GAL_Rect* dst_rc,
uint8_t alpha, uint32_t color_key);
} DriDriverOps;
/* implement this stub to return the DRI driver operators */