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path: root/src/gallium/drivers/i915simple/i915_texture.c
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Diffstat (limited to 'src/gallium/drivers/i915simple/i915_texture.c')
-rw-r--r--src/gallium/drivers/i915simple/i915_texture.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c
index ca8e87af8d..03f0e14e7c 100644
--- a/src/gallium/drivers/i915simple/i915_texture.c
+++ b/src/gallium/drivers/i915simple/i915_texture.c
@@ -72,11 +72,6 @@ static const int step_offsets[6][2] = {
{-1, 1}
};
-static unsigned minify( unsigned d )
-{
- return MAX2(1, d>>1);
-}
-
static unsigned
power_of_two(unsigned x)
{
@@ -160,10 +155,10 @@ i915_miptree_set_image_offset(struct i915_texture *tex,
/**
- * Special case to deal with display targets.
+ * Special case to deal with scanout textures.
*/
static boolean
-i915_displaytarget_layout(struct i915_texture *tex)
+i915_scanout_layout(struct i915_texture *tex)
{
struct pipe_texture *pt = &tex->base;
@@ -177,9 +172,13 @@ i915_displaytarget_layout(struct i915_texture *tex)
i915_miptree_set_image_offset( tex, 0, 0, 0, 0 );
if (tex->base.width[0] >= 128) {
+#if 0
tex->stride = power_of_two(tex->base.nblocksx[0] * pt->block.size);
+#else
+ tex->stride = 2048 * 4; /* TODO fix when backend is smarter */
+#endif
tex->total_nblocksy = round_up(tex->base.nblocksy[0], 8);
-#if 0 /* used for tiled display targets */
+#if 0 /* used for tiled textures */
tex->tiled = 1;
#endif
} else {
@@ -209,9 +208,9 @@ i945_miptree_layout_2d( struct i915_texture *tex )
unsigned nblocksx = pt->nblocksx[0];
unsigned nblocksy = pt->nblocksy[0];
- /* used for tiled display targets */
- if (0)
- if (i915_displaytarget_layout(tex))
+ /* used for scanouts that need special layouts */
+ if (tex->base.tex_usage & PIPE_TEXTURE_USAGE_PRIMARY)
+ if (i915_scanout_layout(tex))
return;
tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4);
@@ -584,6 +583,7 @@ i915_texture_create(struct pipe_screen *screen,
struct i915_screen *i915screen = i915_screen(screen);
struct i915_texture *tex = CALLOC_STRUCT(i915_texture);
size_t tex_size;
+ unsigned buf_usage = 0;
if (!tex)
return NULL;
@@ -605,9 +605,11 @@ i915_texture_create(struct pipe_screen *screen,
tex_size = tex->stride * tex->total_nblocksy;
- tex->buffer = screen->buffer_create(screen, 64,
- PIPE_BUFFER_USAGE_PIXEL,
- tex_size);
+ buf_usage = PIPE_BUFFER_USAGE_PIXEL;
+ if (templat->tex_usage & PIPE_TEXTURE_USAGE_PRIMARY)
+ buf_usage |= I915_BUFFER_USAGE_SCANOUT;
+
+ tex->buffer = screen->buffer_create(screen, 64, buf_usage, tex_size);
if (!tex->buffer)
goto fail;