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path: root/src/gallium/drivers/r300/r300_texture.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_texture.c')
-rw-r--r--src/gallium/drivers/r300/r300_texture.c145
1 files changed, 112 insertions, 33 deletions
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index c0144f64b4..7c7656068b 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -617,18 +617,23 @@ static unsigned r300_texture_get_tile_size(struct r300_texture* tex,
/* Return true if macrotiling should be enabled on the miplevel. */
static boolean r300_texture_macro_switch(struct r300_texture *tex,
unsigned level,
- boolean rv350_mode)
+ boolean rv350_mode,
+ int dim)
{
- unsigned tile_width, width;
+ unsigned tile, texdim;
- tile_width = r300_texture_get_tile_size(tex, TILE_WIDTH, TRUE);
- width = u_minify(tex->tex.width0, level);
+ tile = r300_texture_get_tile_size(tex, dim, TRUE);
+ if (dim == TILE_WIDTH) {
+ texdim = u_minify(tex->tex.width0, level);
+ } else {
+ texdim = u_minify(tex->tex.height0, level);
+ }
/* See TX_FILTER1_n.MACRO_SWITCH. */
if (rv350_mode) {
- return width >= tile_width;
+ return texdim >= tile;
} else {
- return width > tile_width;
+ return texdim > tile;
}
}
@@ -692,9 +697,10 @@ static void r300_setup_miptree(struct r300_screen* screen,
for (i = 0; i <= base->last_level; i++) {
/* Let's see if this miplevel can be macrotiled. */
- tex->mip_macrotile[i] = (tex->macrotile == R300_BUFFER_TILED &&
- r300_texture_macro_switch(tex, i, rv350_mode)) ?
- R300_BUFFER_TILED : R300_BUFFER_LINEAR;
+ tex->mip_macrotile[i] =
+ (tex->macrotile == R300_BUFFER_TILED &&
+ r300_texture_macro_switch(tex, i, rv350_mode, TILE_WIDTH)) ?
+ R300_BUFFER_TILED : R300_BUFFER_LINEAR;
stride = r300_texture_get_stride(screen, tex, i);
nblocksy = r300_texture_get_nblocksy(tex, i);
@@ -724,14 +730,50 @@ static void r300_setup_flags(struct r300_texture* tex)
!util_is_power_of_two(tex->tex.height0);
}
+static void r300_setup_tiling(struct pipe_screen *screen,
+ struct r300_texture *tex)
+{
+ enum pipe_format format = tex->tex.format;
+ boolean rv350_mode = r300_screen(screen)->caps->family >= CHIP_FAMILY_RV350;
+
+ if (util_format_is_compressed(format)) {
+ return;
+ }
+
+ if (tex->tex.width0 == 1 ||
+ tex->tex.height0 == 1) {
+ return;
+ }
+
+ /* Set microtiling. */
+ switch (util_format_get_blocksize(format)) {
+ case 1:
+ case 4:
+ tex->microtile = R300_BUFFER_TILED;
+ break;
+
+ /* XXX Square-tiling doesn't work with kernel older than 2.6.34,
+ * XXX need to check the DRM version */
+ /*case 2:
+ case 8:
+ tex->microtile = R300_BUFFER_SQUARETILED;
+ break;*/
+ }
+
+ /* Set macrotiling. */
+ if (r300_texture_macro_switch(tex, 0, rv350_mode, TILE_WIDTH) &&
+ r300_texture_macro_switch(tex, 0, rv350_mode, TILE_HEIGHT)) {
+ tex->macrotile = R300_BUFFER_TILED;
+ }
+}
+
/* Create a new texture. */
-static struct pipe_texture*
- r300_texture_create(struct pipe_screen* screen,
- const struct pipe_texture* template)
+static struct pipe_texture* r300_texture_create(struct pipe_screen* screen,
+ const struct pipe_texture* template)
{
struct r300_texture* tex = CALLOC_STRUCT(r300_texture);
struct r300_screen* rscreen = r300_screen(screen);
- struct radeon_winsys* winsys = (struct radeon_winsys*)screen->winsys;
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
if (!tex) {
return NULL;
@@ -742,16 +784,19 @@ static struct pipe_texture*
tex->tex.screen = screen;
r300_setup_flags(tex);
+ if (!(template->tex_usage & R300_TEXTURE_USAGE_TRANSFER)) {
+ r300_setup_tiling(screen, tex);
+ }
r300_setup_miptree(rscreen, tex);
r300_setup_texture_state(rscreen, tex);
- tex->buffer = screen->buffer_create(screen, 2048,
- PIPE_BUFFER_USAGE_PIXEL,
- tex->size);
- winsys->buffer_set_tiling(winsys, tex->buffer,
- tex->pitch[0],
- tex->microtile != R300_BUFFER_LINEAR,
- tex->macrotile != R300_BUFFER_LINEAR);
+ tex->buffer = rws->buffer_create(rws, 2048,
+ PIPE_BUFFER_USAGE_PIXEL,
+ tex->size);
+ rws->buffer_set_tiling(rws, tex->buffer,
+ tex->pitch[0],
+ tex->microtile != R300_BUFFER_LINEAR,
+ tex->macrotile != R300_BUFFER_LINEAR);
if (!tex->buffer) {
FREE(tex);
@@ -764,9 +809,9 @@ static struct pipe_texture*
static void r300_texture_destroy(struct pipe_texture* texture)
{
struct r300_texture* tex = (struct r300_texture*)texture;
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen *)texture->screen->winsys;
- pipe_buffer_reference(&tex->buffer, NULL);
-
+ rws->buffer_reference(rws, &tex->buffer, NULL);
FREE(tex);
}
@@ -806,14 +851,17 @@ static void r300_tex_surface_destroy(struct pipe_surface* s)
FREE(s);
}
+
static struct pipe_texture*
- r300_texture_blanket(struct pipe_screen* screen,
- const struct pipe_texture* base,
- const unsigned* stride,
- struct pipe_buffer* buffer)
+ r300_texture_from_handle(struct pipe_screen* screen,
+ const struct pipe_texture* base,
+ struct winsys_handle *whandle)
{
- struct r300_texture* tex;
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen*)screen->winsys;
struct r300_screen* rscreen = r300_screen(screen);
+ struct r300_winsys_buffer *buffer;
+ struct r300_texture* tex;
+ unsigned stride;
/* Support only 2D textures without mipmaps */
if (base->target != PIPE_TEXTURE_2D ||
@@ -822,6 +870,11 @@ static struct pipe_texture*
return NULL;
}
+ buffer = rws->buffer_from_handle(rws, screen, whandle, &stride);
+ if (!buffer) {
+ return NULL;
+ }
+
tex = CALLOC_STRUCT(r300_texture);
if (!tex) {
return NULL;
@@ -831,17 +884,38 @@ static struct pipe_texture*
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);
+ tex->stride_override = stride;
+ tex->pitch[0] = stride / util_format_get_blocksize(base->format);
r300_setup_flags(tex);
r300_setup_texture_state(rscreen, tex);
- pipe_buffer_reference(&tex->buffer, buffer);
+ /* 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 r300_winsys_screen *rws = (struct r300_winsys_screen *)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);
+
+ rws->buffer_get_handle(rws, 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,
@@ -893,10 +967,11 @@ 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;
- screen->texture_blanket = r300_texture_blanket;
screen->video_surface_create = r300_video_surface_create;
screen->video_surface_destroy= r300_video_surface_destroy;
@@ -904,19 +979,23 @@ void r300_init_screen_texture_functions(struct pipe_screen* screen)
boolean r300_get_texture_buffer(struct pipe_screen* screen,
struct pipe_texture* texture,
- struct pipe_buffer** buffer,
+ struct r300_winsys_buffer** buffer,
unsigned* stride)
{
struct r300_texture* tex = (struct r300_texture*)texture;
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
+ struct r300_winsys_buffer *buf;
+
if (!tex) {
return FALSE;
}
- pipe_buffer_reference(buffer, tex->buffer);
+ rws->buffer_reference(rws, &buf, tex->buffer);
if (stride) {
*stride = r300_texture_get_stride(r300_screen(screen), tex, 0);
}
+ *buffer = buf;
return TRUE;
}