diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_texture.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_texture.c | 105 |
1 files changed, 83 insertions, 22 deletions
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c index 9a96206a4d..1f73f74c26 100644 --- a/src/gallium/drivers/r300/r300_texture.c +++ b/src/gallium/drivers/r300/r300_texture.c @@ -30,10 +30,23 @@ #include "r300_texture.h" #include "r300_screen.h" -static void r300_setup_texture_state(struct r300_texture* tex, boolean is_r500) +#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); @@ -67,8 +80,8 @@ static void r300_setup_texture_state(struct r300_texture* tex, boolean is_r500) } 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); } unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level, @@ -92,33 +105,78 @@ 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) +{ + unsigned pixsize, tile_size; + + pixsize = util_format_get_blocksize(tex->tex.format); + tile_size = microblock_table[util_logbase2(pixsize)][tex->microtile][dim] * + (tex->macrotile == R300_BUFFER_TILED ? 8 : 1); + + assert(tile_size); + return tile_size; +} + +/** * 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); + 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 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); + height = align(height, tile_height); + } + + return util_format_get_nblocksy(tex->tex.format, height); } -static void r300_setup_miptree(struct r300_texture* tex) +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; - for (i = 0; i <= base->last_level; i++) { - unsigned nblocksy = util_format_get_nblocksy(base->format, u_minify(base->height0, i)); + SCREEN_DBG(screen, DBG_TEX, "r300: Making miptree for texture, format %s\n", + pf_name(base->format)); - stride = r300_texture_get_stride(tex, i); + for (i = 0; i <= base->last_level; 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) @@ -131,10 +189,10 @@ static void r300_setup_miptree(struct r300_texture* tex) 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\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); } } @@ -150,6 +208,7 @@ static struct pipe_texture* const struct pipe_texture* template) { struct r300_texture* tex = CALLOC_STRUCT(r300_texture); + struct r300_screen* rscreen = r300_screen(screen); if (!tex) { return NULL; @@ -160,10 +219,10 @@ static struct pipe_texture* 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); @@ -227,6 +286,7 @@ static struct pipe_texture* 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 || @@ -248,7 +308,7 @@ static struct pipe_texture* 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); @@ -315,7 +375,8 @@ 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_texture* texture, +boolean r300_get_texture_buffer(struct pipe_screen* screen, + struct pipe_texture* texture, struct pipe_buffer** buffer, unsigned* stride) { @@ -327,7 +388,7 @@ boolean r300_get_texture_buffer(struct pipe_texture* texture, 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; |