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path: root/src/gallium/drivers/llvmpipe/lp_texture.c
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Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_texture.c')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_texture.c80
1 files changed, 42 insertions, 38 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 3701219dcf9..c9b6eb180ff 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -39,36 +39,36 @@
#include "util/u_memory.h"
#include "lp_context.h"
+#include "lp_screen.h"
#include "lp_state.h"
#include "lp_texture.h"
-#include "lp_screen.h"
+#include "lp_tile_size.h"
#include "lp_winsys.h"
-/* Simple, maximally packed layout.
- */
-
-/* Conventional allocation path for non-display textures:
+/**
+ * Conventional allocation path for non-display textures:
+ * Simple, maximally packed layout.
*/
static boolean
llvmpipe_texture_layout(struct llvmpipe_screen *screen,
- struct llvmpipe_texture * lpt)
+ struct llvmpipe_texture *lpt)
{
struct pipe_texture *pt = &lpt->base;
unsigned level;
unsigned width = pt->width0;
unsigned height = pt->height0;
unsigned depth = pt->depth0;
-
unsigned buffer_size = 0;
for (level = 0; level <= pt->last_level; level++) {
unsigned nblocksx, nblocksy;
/* Allocate storage for whole quads. This is particularly important
- * for depth surfaces, which are currently stored in a swizzled format. */
- nblocksx = util_format_get_nblocksx(pt->format, align(width, 2));
- nblocksy = util_format_get_nblocksy(pt->format, align(height, 2));
+ * for depth surfaces, which are currently stored in a swizzled format.
+ */
+ nblocksx = util_format_get_nblocksx(pt->format, align(width, TILE_SIZE));
+ nblocksy = util_format_get_nblocksy(pt->format, align(height, TILE_SIZE));
lpt->stride[level] = align(nblocksx * util_format_get_blocksize(pt->format), 16);
@@ -78,7 +78,7 @@ llvmpipe_texture_layout(struct llvmpipe_screen *screen,
((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) *
lpt->stride[level]);
- width = u_minify(width, 1);
+ width = u_minify(width, 1);
height = u_minify(height, 1);
depth = u_minify(depth, 1);
}
@@ -88,16 +88,23 @@ llvmpipe_texture_layout(struct llvmpipe_screen *screen,
return lpt->data != NULL;
}
+
+
static boolean
llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen,
- struct llvmpipe_texture * lpt)
+ struct llvmpipe_texture *lpt)
{
struct llvmpipe_winsys *winsys = screen->winsys;
+ /* Round up the surface size to a multiple of the tile size to
+ * avoid tile clipping.
+ */
+ unsigned width = align(lpt->base.width0, TILE_SIZE);
+ unsigned height = align(lpt->base.height0, TILE_SIZE);
+
lpt->dt = winsys->displaytarget_create(winsys,
lpt->base.format,
- lpt->base.width0,
- lpt->base.height0,
+ width, height,
16,
&lpt->stride[0] );
@@ -105,9 +112,6 @@ llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen,
}
-
-
-
static struct pipe_texture *
llvmpipe_texture_create(struct pipe_screen *_screen,
const struct pipe_texture *templat)
@@ -124,7 +128,7 @@ llvmpipe_texture_create(struct pipe_screen *_screen,
/* XXX: The xlib state tracker is brain-dead and will request
* PIPE_FORMAT_Z16_UNORM no matter how much we tell it we don't support it.
*/
- if(lpt->base.format == PIPE_FORMAT_Z16_UNORM)
+ if (lpt->base.format == PIPE_FORMAT_Z16_UNORM)
lpt->base.format = PIPE_FORMAT_Z32_UNORM;
if (lpt->base.tex_usage & (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
@@ -176,6 +180,7 @@ llvmpipe_texture_blanket(struct pipe_screen * screen,
return &lpt->base;
#else
+ debug_printf("llvmpipe_texture_blanket() not implemented!");
return NULL;
#endif
}
@@ -187,12 +192,15 @@ llvmpipe_texture_destroy(struct pipe_texture *pt)
struct llvmpipe_screen *screen = llvmpipe_screen(pt->screen);
struct llvmpipe_texture *lpt = llvmpipe_texture(pt);
- if(lpt->dt) {
+ if (lpt->dt) {
+ /* display target */
struct llvmpipe_winsys *winsys = screen->winsys;
winsys->displaytarget_destroy(winsys, lpt->dt);
}
- else
+ else {
+ /* regular texture */
align_free(lpt->data);
+ }
FREE(lpt);
}
@@ -234,7 +242,7 @@ llvmpipe_get_tex_surface(struct pipe_screen *screen,
if (ps->usage & (PIPE_BUFFER_USAGE_CPU_WRITE |
PIPE_BUFFER_USAGE_GPU_WRITE)) {
- /* Mark the surface as dirty. The tile cache will look for this. */
+ /* Mark the surface as dirty. */
lpt->timestamp++;
llvmpipe_screen(screen)->timestamp++;
}
@@ -296,8 +304,8 @@ llvmpipe_get_tex_transfer(struct pipe_screen *screen,
pipe_texture_reference(&pt->texture, texture);
pt->x = x;
pt->y = y;
- pt->width = w;
- pt->height = h;
+ pt->width = align(w, TILE_SIZE);
+ pt->height = align(h, TILE_SIZE);
pt->stride = lptex->stride[level];
pt->usage = usage;
pt->face = face;
@@ -354,7 +362,8 @@ llvmpipe_transfer_map( struct pipe_screen *_screen,
lpt = llvmpipe_texture(transfer->texture);
format = lpt->base.format;
- if(lpt->dt) {
+ if (lpt->dt) {
+ /* display target */
struct llvmpipe_winsys *winsys = screen->winsys;
map = winsys->displaytarget_map(winsys, lpt->dt,
@@ -362,16 +371,16 @@ llvmpipe_transfer_map( struct pipe_screen *_screen,
if (map == NULL)
return NULL;
}
- else
+ else {
+ /* regular texture */
map = lpt->data;
+ }
/* May want to different things here depending on read/write nature
* of the map:
*/
- if (transfer->texture && (transfer->usage & PIPE_TRANSFER_WRITE))
- {
+ if (transfer->texture && (transfer->usage & PIPE_TRANSFER_WRITE)) {
/* Do something to notify sharing contexts of a texture change.
- * In llvmpipe, that would mean flushing the texture cache.
*/
screen->timestamp++;
}
@@ -385,29 +394,24 @@ llvmpipe_transfer_map( struct pipe_screen *_screen,
static void
-llvmpipe_transfer_unmap(struct pipe_screen *_screen,
+llvmpipe_transfer_unmap(struct pipe_screen *screen,
struct pipe_transfer *transfer)
{
- struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
+ struct llvmpipe_screen *lp_screen = llvmpipe_screen(screen);
struct llvmpipe_texture *lpt;
assert(transfer->texture);
lpt = llvmpipe_texture(transfer->texture);
- if(lpt->dt) {
- struct llvmpipe_winsys *winsys = screen->winsys;
+ if (lpt->dt) {
+ /* display target */
+ struct llvmpipe_winsys *winsys = lp_screen->winsys;
winsys->displaytarget_unmap(winsys, lpt->dt);
}
}
void
-llvmpipe_init_texture_funcs(struct llvmpipe_context *lp)
-{
-}
-
-
-void
llvmpipe_init_screen_texture_funcs(struct pipe_screen *screen)
{
screen->texture_create = llvmpipe_texture_create;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 01:38:39 +0000