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-rw-r--r--src/gallium/drivers/r300/r300_context.c16
-rw-r--r--src/gallium/drivers/r300/r300_screen.c6
-rw-r--r--src/gallium/drivers/r300/r300_texture.c84
-rw-r--r--src/gallium/drivers/r300/r300_texture.h6
-rw-r--r--src/gallium/drivers/r300/r300_winsys.h5
5 files changed, 82 insertions, 35 deletions
diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c
index e43e088b368..e0a55323273 100644
--- a/src/gallium/drivers/r300/r300_context.c
+++ b/src/gallium/drivers/r300/r300_context.c
@@ -72,11 +72,8 @@ r300_is_texture_referenced(struct pipe_context *pipe,
struct pipe_texture *texture,
unsigned face, unsigned level)
{
- struct pipe_buffer* buf = 0;
-
- r300_get_texture_buffer(pipe->screen, texture, &buf, NULL);
-
- return pipe->is_buffer_referenced(pipe, buf);
+ return pipe->is_buffer_referenced(pipe,
+ ((struct r300_texture *)texture)->buffer);
}
static unsigned int
@@ -86,7 +83,14 @@ r300_is_buffer_referenced(struct pipe_context *pipe,
/* This only checks to see whether actual hardware buffers are
* referenced. Since we use managed BOs and transfers, it's actually not
* possible for pipe_buffers to ever reference the actual hardware, so
- * buffers are never referenced. */
+ * buffers are never referenced.
+ */
+
+ /* XXX: that doesn't make sense given that
+ * r300_is_texture_referenced is implemented on top of this
+ * function and hardware can certainly refer to textures
+ * directly...
+ */
return 0;
}
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index a35be05940d..5880eecd5fe 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -231,14 +231,16 @@ static boolean r300_is_format_supported(struct pipe_screen* screen,
/* Check colorbuffer format support. */
if ((usage & (PIPE_TEXTURE_USAGE_RENDER_TARGET |
PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_PRIMARY)) &&
+ PIPE_TEXTURE_USAGE_SCANOUT |
+ PIPE_TEXTURE_USAGE_SHARED)) &&
/* 2101010 cannot be rendered to on non-r5xx. */
(is_r500 || !is_color2101010) &&
r300_is_colorbuffer_format_supported(format)) {
retval |= usage &
(PIPE_TEXTURE_USAGE_RENDER_TARGET |
PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_PRIMARY);
+ PIPE_TEXTURE_USAGE_SCANOUT |
+ PIPE_TEXTURE_USAGE_SHARED);
}
/* Check depth-stencil format support. */
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index c0da339916e..21e5910450f 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -887,6 +887,70 @@ static struct pipe_texture*
return (struct pipe_texture*)tex;
}
+static struct pipe_texture*
+ r300_texture_from_handle(struct pipe_screen* screen,
+ const struct pipe_texture* base,
+ struct winsys_handle *whandle)
+{
+ struct radeon_winsys* winsys = (struct radeon_winsys*)screen->winsys;
+ struct r300_screen* rscreen = r300_screen(screen);
+ struct pipe_buffer *buffer;
+ struct r300_texture* tex;
+ unsigned stride;
+
+ /* Support only 2D textures without mipmaps */
+ if (base->target != PIPE_TEXTURE_2D ||
+ base->depth0 != 1 ||
+ base->last_level != 0) {
+ return NULL;
+ }
+
+ buffer = winsys->buffer_from_handle(winsys, screen, whandle, &stride);
+ if (!buffer) {
+ return NULL;
+ }
+
+ tex = CALLOC_STRUCT(r300_texture);
+ if (!tex) {
+ return NULL;
+ }
+
+ tex->tex = *base;
+ pipe_reference_init(&tex->tex.reference, 1);
+ tex->tex.screen = screen;
+
+ tex->stride_override = stride;
+ tex->pitch[0] = stride / util_format_get_blocksize(base->format);
+
+ r300_setup_flags(tex);
+ r300_setup_texture_state(rscreen, tex);
+
+ /* one ref already taken */
+ tex->buffer = buffer;
+
+ return (struct pipe_texture*)tex;
+}
+
+static boolean
+ r300_texture_get_handle(struct pipe_screen* screen,
+ struct pipe_texture *texture,
+ struct winsys_handle *whandle)
+{
+ struct radeon_winsys* winsys = (struct radeon_winsys*)screen->winsys;
+ struct r300_texture* tex = (struct r300_texture*)texture;
+ unsigned stride;
+
+ if (!tex) {
+ return FALSE;
+ }
+
+ stride = r300_texture_get_stride(r300_screen(screen), tex, 0);
+
+ winsys->buffer_get_handle(winsys, tex->buffer, stride, whandle);
+
+ return TRUE;
+}
+
static struct pipe_video_surface *
r300_video_surface_create(struct pipe_screen *screen,
enum pipe_video_chroma_format chroma_format,
@@ -938,6 +1002,8 @@ static void r300_video_surface_destroy(struct pipe_video_surface *vsfc)
void r300_init_screen_texture_functions(struct pipe_screen* screen)
{
screen->texture_create = r300_texture_create;
+ screen->texture_from_handle = r300_texture_from_handle;
+ screen->texture_get_handle = r300_texture_get_handle;
screen->texture_destroy = r300_texture_destroy;
screen->get_tex_surface = r300_get_tex_surface;
screen->tex_surface_destroy = r300_tex_surface_destroy;
@@ -947,21 +1013,3 @@ void r300_init_screen_texture_functions(struct pipe_screen* screen)
screen->video_surface_destroy= r300_video_surface_destroy;
}
-boolean r300_get_texture_buffer(struct pipe_screen* screen,
- struct pipe_texture* texture,
- struct pipe_buffer** buffer,
- unsigned* stride)
-{
- struct r300_texture* tex = (struct r300_texture*)texture;
- if (!tex) {
- return FALSE;
- }
-
- pipe_buffer_reference(buffer, tex->buffer);
-
- if (stride) {
- *stride = r300_texture_get_stride(r300_screen(screen), tex, 0);
- }
-
- return TRUE;
-}
diff --git a/src/gallium/drivers/r300/r300_texture.h b/src/gallium/drivers/r300/r300_texture.h
index 46a5fb6188b..138b62784e6 100644
--- a/src/gallium/drivers/r300/r300_texture.h
+++ b/src/gallium/drivers/r300/r300_texture.h
@@ -60,13 +60,11 @@ r300_video_surface(struct pipe_video_surface *pvs)
return (struct r300_video_surface *)pvs;
}
-#ifndef R300_WINSYS_H
-
+/* Used internally for texture_is_referenced()
+ */
boolean r300_get_texture_buffer(struct pipe_screen* screen,
struct pipe_texture* texture,
struct pipe_buffer** buffer,
unsigned* stride);
-#endif /* R300_WINSYS_H */
-
#endif /* R300_TEXTURE_H */
diff --git a/src/gallium/drivers/r300/r300_winsys.h b/src/gallium/drivers/r300/r300_winsys.h
index 40fb8a95ca5..ddf2b790039 100644
--- a/src/gallium/drivers/r300/r300_winsys.h
+++ b/src/gallium/drivers/r300/r300_winsys.h
@@ -40,11 +40,6 @@ struct radeon_winsys;
struct pipe_screen* r300_create_screen(struct radeon_winsys* radeon_winsys);
-boolean r300_get_texture_buffer(struct pipe_screen* screen,
- struct pipe_texture* texture,
- struct pipe_buffer** buffer,
- unsigned* stride);
-
#ifdef __cplusplus
}
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 09:08:52 +0000