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-rw-r--r--src/gallium/include/pipe/p_defines.h5
-rw-r--r--src/gallium/include/pipe/p_screen.h44
-rw-r--r--src/gallium/include/pipe/p_state.h10
-rw-r--r--src/gallium/include/state_tracker/drm_api.h57
4 files changed, 55 insertions, 61 deletions
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 5cebd43ace2..5c97dc87e82 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -176,11 +176,12 @@ enum pipe_texture_target {
#define PIPE_TEX_COMPARE_R_TO_TEXTURE 1
#define PIPE_TEXTURE_USAGE_RENDER_TARGET 0x1
-#define PIPE_TEXTURE_USAGE_DISPLAY_TARGET 0x2 /* ie a backbuffer */
-#define PIPE_TEXTURE_USAGE_PRIMARY 0x4 /* ie a frontbuffer */
+#define PIPE_TEXTURE_USAGE_DISPLAY_TARGET 0x2 /* windows presentable buffer, ie a backbuffer */
+#define PIPE_TEXTURE_USAGE_SCANOUT 0x4 /* ie a frontbuffer */
#define PIPE_TEXTURE_USAGE_DEPTH_STENCIL 0x8
#define PIPE_TEXTURE_USAGE_SAMPLER 0x10
#define PIPE_TEXTURE_USAGE_DYNAMIC 0x20
+#define PIPE_TEXTURE_USAGE_SHARED 0x40
/** Pipe driver custom usage flags should be greater or equal to this value */
#define PIPE_TEXTURE_USAGE_CUSTOM (1 << 16)
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index e4a92228093..690455f7222 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -50,6 +50,8 @@ extern "C" {
/** Opaque type */
+struct winsys_handle;
+/** Opaque type */
struct pipe_fence_handle;
struct pipe_winsys;
struct pipe_buffer;
@@ -108,16 +110,23 @@ struct pipe_screen {
const struct pipe_texture *templat);
/**
- * Create a new texture object, using the given template info, but on top of
- * existing memory.
- *
- * It is assumed that the buffer data is layed out according to the expected
- * by the hardware. NULL will be returned if any inconsistency is found.
+ * Create a texture from a winsys_handle. The handle is often created in
+ * another process by first creating a pipe texture and then calling
+ * texture_get_handle.
+ */
+ struct pipe_texture * (*texture_from_handle)(struct pipe_screen *,
+ const struct pipe_texture *templat,
+ struct winsys_handle *handle);
+
+ /**
+ * Get a winsys_handle from a texture. Some platforms/winsys requires
+ * that the texture is created with a special usage flag like
+ * DISPLAYTARGET or PRIMARY.
*/
- struct pipe_texture * (*texture_blanket)(struct pipe_screen *,
- const struct pipe_texture *templat,
- const unsigned *stride,
- struct pipe_buffer *buffer);
+ boolean (*texture_get_handle)(struct pipe_screen *,
+ struct pipe_texture *tex,
+ struct winsys_handle *handle);
+
void (*texture_destroy)(struct pipe_texture *pt);
@@ -187,23 +196,6 @@ struct pipe_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 tex_usage,
- unsigned *stride);
/**
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 02558520bfe..72635d1031b 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -249,7 +249,7 @@ struct pipe_framebuffer_state
{
unsigned width, height;
- /** multiple colorbuffers for multiple render targets */
+ /** multiple color buffers for multiple render targets */
unsigned nr_cbufs;
struct pipe_surface *cbufs[PIPE_MAX_COLOR_BUFS];
@@ -285,12 +285,12 @@ struct pipe_sampler_state
struct pipe_surface
{
struct pipe_reference reference;
- enum pipe_format format; /**< PIPE_FORMAT_x */
+ enum pipe_format format;
unsigned width; /**< logical width in pixels */
unsigned height; /**< logical height in pixels */
unsigned layout; /**< PIPE_SURFACE_LAYOUT_x */
unsigned offset; /**< offset from start of buffer, in bytes */
- unsigned usage; /**< PIPE_BUFFER_USAGE_* */
+ unsigned usage; /**< bitmask of PIPE_BUFFER_USAGE_x */
unsigned zslice;
struct pipe_texture *texture; /**< texture into which this is a view */
@@ -336,7 +336,7 @@ struct pipe_texture
unsigned nr_samples:8; /**< for multisampled surfaces, nr of samples */
- unsigned tex_usage; /* PIPE_TEXTURE_USAGE_* */
+ unsigned tex_usage; /**< bitmask of PIPE_TEXTURE_USAGE_* */
struct pipe_screen *screen; /**< screen that this texture belongs to */
};
@@ -375,7 +375,7 @@ struct pipe_vertex_element
unsigned vertex_buffer_index:8;
unsigned nr_components:8;
- enum pipe_format src_format; /**< PIPE_FORMAT_* */
+ enum pipe_format src_format;
};
diff --git a/src/gallium/include/state_tracker/drm_api.h b/src/gallium/include/state_tracker/drm_api.h
index e9fa9b4d2a3..fe7ef253ef0 100644
--- a/src/gallium/include/state_tracker/drm_api.h
+++ b/src/gallium/include/state_tracker/drm_api.h
@@ -17,6 +17,32 @@ enum drm_create_screen_mode {
DRM_CREATE_MAX
};
+#define DRM_API_HANDLE_TYPE_SHARED 0
+#define DRM_API_HANDLE_TYPE_KMS 1
+
+/**
+ * For use with pipe_screen::{texture_from_handle|texture_get_handle}.
+ */
+struct winsys_handle
+{
+ /**
+ * Unused for texture_from_handle, always
+ * DRM_API_HANDLE_TYPE_SHARED. Input to texture_get_handle,
+ * use TEXTURE_USAGE to select handle for kms or ipc.
+ */
+ unsigned type;
+ /**
+ * Input to texture_from_handle.
+ * Output for texture_get_handle.
+ */
+ unsigned handle;
+ /**
+ * Input to texture_from_handle.
+ * Output for texture_get_handle.
+ */
+ unsigned stride;
+};
+
/**
* Modes other than DRM_CREATE_NORMAL derive from this struct.
*/
@@ -28,6 +54,8 @@ struct drm_create_screen_arg {
struct drm_api
{
+ void (*destroy)(struct drm_api *api);
+
const char *name;
/**
@@ -36,37 +64,10 @@ struct drm_api
const char *driver_name;
/**
- * Special buffer functions
+ * Create a pipe srcreen.
*/
- /*@{*/
struct pipe_screen* (*create_screen)(struct drm_api *api, int drm_fd,
struct drm_create_screen_arg *arg);
- /*@}*/
-
- /**
- * Special buffer functions
- */
- /*@{*/
- struct pipe_texture*
- (*texture_from_shared_handle)(struct drm_api *api,
- struct pipe_screen *screen,
- struct pipe_texture *templ,
- const char *name,
- unsigned stride,
- unsigned handle);
- boolean (*shared_handle_from_texture)(struct drm_api *api,
- struct pipe_screen *screen,
- struct pipe_texture *texture,
- unsigned *stride,
- unsigned *handle);
- boolean (*local_handle_from_texture)(struct drm_api *api,
- struct pipe_screen *screen,
- struct pipe_texture *texture,
- unsigned *stride,
- unsigned *handle);
- /*@}*/
-
- void (*destroy)(struct drm_api *api);
};
extern struct drm_api * drm_api_create(void);