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-rw-r--r--src/gallium/include/pipe/internal/p_winsys_screen.h (renamed from src/gallium/include/pipe/p_winsys.h)3
-rw-r--r--src/gallium/include/pipe/p_inlines.h51
-rw-r--r--src/gallium/include/pipe/p_screen.h105
3 files changed, 124 insertions, 35 deletions
diff --git a/src/gallium/include/pipe/p_winsys.h b/src/gallium/include/pipe/internal/p_winsys_screen.h
index 3ae83e8105..ee835578b2 100644
--- a/src/gallium/include/pipe/p_winsys.h
+++ b/src/gallium/include/pipe/internal/p_winsys_screen.h
@@ -36,7 +36,7 @@
#define P_WINSYS_H
-#include "p_format.h"
+#include "pipe/p_format.h"
#ifdef __cplusplus
@@ -178,7 +178,6 @@ struct pipe_winsys
};
-
#ifdef __cplusplus
}
#endif
diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h
index 7378392616..1219c817b4 100644
--- a/src/gallium/include/pipe/p_inlines.h
+++ b/src/gallium/include/pipe/p_inlines.h
@@ -31,7 +31,6 @@
#include "p_context.h"
#include "p_defines.h"
#include "p_screen.h"
-#include "p_winsys.h"
#ifdef __cplusplus
@@ -89,29 +88,6 @@ pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf)
}
-/* XXX: thread safety issues!
- */
-static INLINE void
-winsys_buffer_reference(struct pipe_winsys *winsys,
- struct pipe_buffer **ptr,
- struct pipe_buffer *buf)
-{
- if (buf) {
- assert(buf->refcount);
- buf->refcount++;
- }
-
- if (*ptr) {
- assert((*ptr)->refcount);
- if(--(*ptr)->refcount == 0)
- winsys->buffer_destroy( winsys, *ptr );
- }
-
- *ptr = buf;
-}
-
-
-
/**
* \sa pipe_surface_reference
*/
@@ -152,20 +128,20 @@ pipe_texture_release(struct pipe_texture **ptr)
/**
- * Convenience wrappers for winsys buffer functions.
+ * Convenience wrappers for screen buffer functions.
*/
static INLINE struct pipe_buffer *
pipe_buffer_create( struct pipe_screen *screen,
unsigned alignment, unsigned usage, unsigned size )
{
- return screen->winsys->buffer_create(screen->winsys, alignment, usage, size);
+ return screen->buffer_create(screen, alignment, usage, size);
}
static INLINE struct pipe_buffer *
pipe_user_buffer_create( struct pipe_screen *screen, void *ptr, unsigned size )
{
- return screen->winsys->user_buffer_create(screen->winsys, ptr, size);
+ return screen->user_buffer_create(screen, ptr, size);
}
static INLINE void *
@@ -173,25 +149,36 @@ pipe_buffer_map(struct pipe_screen *screen,
struct pipe_buffer *buf,
unsigned usage)
{
- return screen->winsys->buffer_map(screen->winsys, buf, usage);
+ return screen->buffer_map(screen, buf, usage);
}
static INLINE void
pipe_buffer_unmap(struct pipe_screen *screen,
struct pipe_buffer *buf)
{
- screen->winsys->buffer_unmap(screen->winsys, buf);
+ screen->buffer_unmap(screen, buf);
}
-/* XXX when we're using this everywhere, get rid of
- * winsys_buffer_reference() above.
+/* XXX: thread safety issues!
*/
static INLINE void
pipe_buffer_reference(struct pipe_screen *screen,
struct pipe_buffer **ptr,
struct pipe_buffer *buf)
{
- winsys_buffer_reference(screen->winsys, ptr, buf);
+ if (buf) {
+ assert(buf->refcount);
+ buf->refcount++;
+ }
+
+ if (*ptr) {
+ assert((*ptr)->refcount);
+ if(--(*ptr)->refcount == 0) {
+ screen->buffer_destroy( screen, *ptr );
+ }
+ }
+
+ *ptr = buf;
}
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 492667c93a..0bd7d12e22 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -48,6 +48,8 @@ extern "C" {
#endif
+/** Opaque type */
+struct pipe_fence_handle;
/**
* Gallium screen/adapter context. Basically everything
@@ -128,7 +130,108 @@ struct pipe_screen {
void (*surface_unmap)( struct pipe_screen *,
struct pipe_surface *surface );
-
+
+
+ /**
+ * Buffer management. Buffer attributes are mostly fixed over its lifetime.
+ *
+ */
+ struct pipe_buffer *(*buffer_create)( struct pipe_screen *screen,
+ unsigned alignment,
+ unsigned usage,
+ unsigned size );
+
+ /**
+ * Create a buffer that wraps user-space data.
+ *
+ * Effectively this schedules a delayed call to buffer_create
+ * followed by an upload of the data at *some point in the future*,
+ * or perhaps never. Basically the allocate/upload is delayed
+ * until the buffer is actually passed to hardware.
+ *
+ * The intention is to provide a quick way to turn regular data
+ * into a buffer, and secondly to avoid a copy operation if that
+ * data subsequently turns out to be only accessed by the CPU.
+ *
+ * Common example is OpenGL vertex buffers that are subsequently
+ * processed either by software TNL in the driver or by passing to
+ * hardware.
+ *
+ * XXX: What happens if the delayed call to buffer_create() fails?
+ *
+ * Note that ptr may be accessed at any time upto the time when the
+ * buffer is destroyed, so the data must not be freed before then.
+ */
+ struct pipe_buffer *(*user_buffer_create)(struct pipe_screen *screen,
+ void *ptr,
+ unsigned bytes);
+
+ /**
+ * Allocate storage for a display target surface.
+ *
+ * Often surfaces which are meant to be blitted to the front screen (i.e.,
+ * display targets) must be allocated with special characteristics, memory
+ * pools, or obtained directly from the windowing system.
+ *
+ * This callback is invoked by the pipe_screenwhen creating a texture marked
+ * with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag to get the underlying
+ * buffer storage.
+ */
+ struct pipe_buffer *(*surface_buffer_create)(struct pipe_screen *screen,
+ unsigned width, unsigned height,
+ enum pipe_format format,
+ unsigned usage,
+ unsigned *stride);
+
+
+ /**
+ * Map the entire data store of a buffer object into the client's address.
+ * flags is bitmask of PIPE_BUFFER_USAGE_CPU_READ/WRITE flags.
+ */
+ void *(*buffer_map)( struct pipe_screen *screen,
+ struct pipe_buffer *buf,
+ unsigned usage );
+
+ void (*buffer_unmap)( struct pipe_screen *screen,
+ struct pipe_buffer *buf );
+
+ void (*buffer_destroy)( struct pipe_screen *screen,
+ struct pipe_buffer *buf );
+
+
+ /**
+ * Do any special operations to ensure frontbuffer contents are
+ * displayed, eg copy fake frontbuffer.
+ */
+ void (*flush_frontbuffer)( struct pipe_screen *screen,
+ struct pipe_surface *surf,
+ void *context_private );
+
+
+
+ /** Set ptr = fence, with reference counting */
+ void (*fence_reference)( struct pipe_screen *screen,
+ struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence );
+
+ /**
+ * Checks whether the fence has been signalled.
+ * \param flags driver-specific meaning
+ * \return zero on success.
+ */
+ int (*fence_signalled)( struct pipe_screen *screen,
+ struct pipe_fence_handle *fence,
+ unsigned flag );
+
+ /**
+ * Wait for the fence to finish.
+ * \param flags driver-specific meaning
+ * \return zero on success.
+ */
+ int (*fence_finish)( struct pipe_screen *screen,
+ struct pipe_fence_handle *fence,
+ unsigned flag );
+
};