#include "r300_texture.h"
#include "r300_screen.h"
-static void r300_setup_texture_state(struct r300_texture* tex, boolean is_r500)
+#include "radeon_winsys.h"
+
+#define TILE_WIDTH 0
+#define TILE_HEIGHT 1
+
+static const unsigned microblock_table[5][3][2] = {
+ /*linear tiled square-tiled */
+ {{32, 1}, {8, 4}, {0, 0}}, /* 8 bits per pixel */
+ {{16, 1}, {8, 2}, {4, 4}}, /* 16 bits per pixel */
+ {{ 8, 1}, {4, 2}, {0, 0}}, /* 32 bits per pixel */
+ {{ 4, 1}, {0, 0}, {2, 2}}, /* 64 bits per pixel */
+ {{ 2, 1}, {0, 0}, {0, 0}} /* 128 bits per pixel */
+};
+
+static void r300_setup_texture_state(struct r300_screen* screen, struct r300_texture* tex)
{
struct r300_texture_state* state = &tex->state;
struct pipe_texture *pt = &tex->tex;
+ boolean is_r500 = screen->caps->is_r500;
state->format0 = R300_TX_WIDTH((pt->width0 - 1) & 0x7ff) |
R300_TX_HEIGHT((pt->height0 - 1) & 0x7ff);
state->format2 |= R500_TXHEIGHT_BIT11;
}
}
- assert(is_r500 || (pt->width0 <= 2048 && pt->height0 <= 2048));
- debug_printf("r300: Set texture state (%dx%d, %d levels)\n",
- pt->width0, pt->height0, pt->last_level);
+ SCREEN_DBG(screen, DBG_TEX, "r300: Set texture state (%dx%d, %d levels)\n",
+ pt->width0, pt->height0, pt->last_level);
+}
+
+void r300_texture_reinterpret_format(struct pipe_screen *screen,
+ struct pipe_texture *tex,
+ enum pipe_format new_format)
+{
+ struct r300_screen *r300screen = r300_screen(screen);
+
+ SCREEN_DBG(r300screen, DBG_TEX, "r300: Reinterpreting format: %s -> %s\n",
+ util_format_name(tex->format), util_format_name(new_format));
+
+ tex->format = new_format;
+
+ r300_setup_texture_state(r300_screen(screen), (struct r300_texture*)tex);
}
unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level,
}
}
+/**
+ * Return the width (dim==TILE_WIDTH) or height (dim==TILE_HEIGHT) of one tile
+ * of the given texture.
+ */
+static unsigned r300_texture_get_tile_size(struct r300_texture* tex,
+ int dim, boolean macrotile)
+{
+ unsigned pixsize, tile_size;
+
+ pixsize = util_format_get_blocksize(tex->tex.format);
+ tile_size = microblock_table[util_logbase2(pixsize)][tex->microtile][dim];
+
+ if (macrotile) {
+ tile_size *= 8;
+ }
+
+ assert(tile_size);
+ return tile_size;
+}
+
+/* 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)
+{
+ unsigned tile_width, width;
+
+ tile_width = r300_texture_get_tile_size(tex, TILE_WIDTH, TRUE);
+ width = u_minify(tex->tex.width0, level);
+
+ /* See TX_FILTER1_n.MACRO_SWITCH. */
+ if (rv350_mode) {
+ return width >= tile_width;
+ } else {
+ return width > tile_width;
+ }
+}
+
/**
* Return the stride, in bytes, of the texture images of the given texture
* at the given level.
*/
-unsigned r300_texture_get_stride(struct r300_texture* tex, unsigned level)
+unsigned r300_texture_get_stride(struct r300_screen* screen,
+ struct r300_texture* tex, unsigned level)
{
+ unsigned tile_width, width;
+
if (tex->stride_override)
return tex->stride_override;
+ /* Check the level. */
if (level > tex->tex.last_level) {
- debug_printf("%s: level (%u) > last_level (%u)\n", __FUNCTION__,
- level, tex->tex.last_level);
+ SCREEN_DBG(screen, DBG_TEX, "%s: level (%u) > last_level (%u)\n",
+ __FUNCTION__, level, tex->tex.last_level);
return 0;
}
- return align(util_format_get_stride(tex->tex.format, u_minify(tex->tex.width0, level)), 32);
+ width = u_minify(tex->tex.width0, level);
+
+ if (!util_format_is_compressed(tex->tex.format)) {
+ tile_width = r300_texture_get_tile_size(tex, TILE_WIDTH,
+ tex->mip_macrotile[level]);
+ width = align(width, tile_width);
+
+ return util_format_get_stride(tex->tex.format, width);
+ } else {
+ return align(util_format_get_stride(tex->tex.format, width), 32);
+ }
}
-static void r300_setup_miptree(struct r300_texture* tex)
+static unsigned r300_texture_get_nblocksy(struct r300_texture* tex,
+ unsigned level)
+{
+ unsigned height, tile_height;
+
+ height = u_minify(tex->tex.height0, level);
+
+ if (!util_format_is_compressed(tex->tex.format)) {
+ tile_height = r300_texture_get_tile_size(tex, TILE_HEIGHT,
+ tex->mip_macrotile[level]);
+ height = align(height, tile_height);
+ }
+
+ return util_format_get_nblocksy(tex->tex.format, height);
+}
+
+static void r300_setup_miptree(struct r300_screen* screen,
+ struct r300_texture* tex)
{
struct pipe_texture* base = &tex->tex;
- int stride, size, layer_size;
- int i;
+ unsigned stride, size, layer_size, nblocksy, i;
+ boolean rv350_mode = screen->caps->family >= CHIP_FAMILY_RV350;
+
+ SCREEN_DBG(screen, DBG_TEX, "r300: Making miptree for texture, format %s\n",
+ util_format_name(base->format));
for (i = 0; i <= base->last_level; i++) {
- unsigned nblocksy = util_format_get_nblocksy(base->format, u_minify(base->height0, 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;
- stride = r300_texture_get_stride(tex, i);
+ stride = r300_texture_get_stride(screen, tex, i);
+ nblocksy = r300_texture_get_nblocksy(tex, i);
layer_size = stride * nblocksy;
if (base->target == PIPE_TEXTURE_CUBE)
else
size = layer_size * u_minify(base->depth0, i);
- tex->offset[i] = align(tex->size, 32);
+ tex->offset[i] = tex->size;
tex->size = tex->offset[i] + size;
tex->layer_size[i] = layer_size;
tex->pitch[i] = stride / util_format_get_blocksize(base->format);
- debug_printf("r300: Texture miptree: Level %d "
- "(%dx%dx%d px, pitch %d bytes)\n",
+ SCREEN_DBG(screen, DBG_TEX, "r300: Texture miptree: Level %d "
+ "(%dx%dx%d px, pitch %d bytes) %d bytes total, macrotiled %s\n",
i, u_minify(base->width0, i), u_minify(base->height0, i),
- u_minify(base->depth0, i), stride);
+ u_minify(base->depth0, i), stride, tex->size,
+ tex->mip_macrotile[i] ? "TRUE" : "FALSE");
}
}
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;
if (!tex) {
return NULL;
tex->tex.screen = screen;
r300_setup_flags(tex);
- r300_setup_miptree(tex);
- r300_setup_texture_state(tex, r300_screen(screen)->caps->is_r500);
+ r300_setup_miptree(rscreen, tex);
+ r300_setup_texture_state(rscreen, tex);
- tex->buffer = screen->buffer_create(screen, 1024,
+ 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);
if (!tex->buffer) {
FREE(tex);
struct pipe_buffer* buffer)
{
struct r300_texture* tex;
+ struct r300_screen* rscreen = r300_screen(screen);
/* Support only 2D textures without mipmaps */
if (base->target != PIPE_TEXTURE_2D ||
tex->pitch[0] = *stride / util_format_get_blocksize(base->format);
r300_setup_flags(tex);
- r300_setup_texture_state(tex, r300_screen(screen)->caps->is_r500);
+ r300_setup_texture_state(rscreen, tex);
pipe_buffer_reference(&tex->buffer, buffer);
screen->video_surface_destroy= r300_video_surface_destroy;
}
-boolean r300_get_texture_buffer(struct pipe_texture* texture,
+boolean r300_get_texture_buffer(struct pipe_screen* screen,
+ struct pipe_texture* texture,
struct pipe_buffer** buffer,
unsigned* stride)
{
pipe_buffer_reference(buffer, tex->buffer);
if (stride) {
- *stride = r300_texture_get_stride(tex, 0);
+ *stride = r300_texture_get_stride(r300_screen(screen), tex, 0);
}
return TRUE;
projects / mesa.git / blobdiff