diff options
| -rw-r--r-- | src/gallium/drivers/i915simple/i915_texture.c | 403 |
1 files changed, 207 insertions, 196 deletions
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c index 7f0a4dbd932..5cb62b164fb 100644 --- a/src/gallium/drivers/i915simple/i915_texture.c +++ b/src/gallium/drivers/i915simple/i915_texture.c @@ -152,7 +152,7 @@ i915_miptree_set_image_offset(struct i915_texture *tex, /* - * Layout functions + * i915 layout functions, some used by i945 */ @@ -197,6 +197,148 @@ i915_scanout_layout(struct i915_texture *tex) } static void +i915_miptree_layout_2d(struct i915_texture *tex) +{ + struct pipe_texture *pt = &tex->base; + unsigned level; + unsigned width = pt->width[0]; + unsigned height = pt->height[0]; + unsigned nblocksx = pt->nblocksx[0]; + unsigned nblocksy = pt->nblocksy[0]; + + tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4); + tex->total_nblocksy = 0; + + for (level = 0; level <= pt->last_level; level++) { + i915_miptree_set_level_info(tex, level, 1, width, height, 1); + i915_miptree_set_image_offset(tex, level, 0, 0, tex->total_nblocksy); + + nblocksy = round_up(MAX2(2, nblocksy), 2); + + tex->total_nblocksy += nblocksy; + + width = minify(width); + height = minify(height); + nblocksx = pf_get_nblocksx(&pt->block, width); + nblocksy = pf_get_nblocksy(&pt->block, height); + } +} + +static void +i915_miptree_layout_3d(struct i915_texture *tex) +{ + struct pipe_texture *pt = &tex->base; + unsigned level; + + unsigned width = pt->width[0]; + unsigned height = pt->height[0]; + unsigned depth = pt->depth[0]; + unsigned nblocksx = pt->nblocksx[0]; + unsigned nblocksy = pt->nblocksy[0]; + unsigned stack_nblocksy = 0; + + /* Calculate the size of a single slice. + */ + tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4); + + /* XXX: hardware expects/requires 9 levels at minimum. + */ + for (level = 0; level <= MAX2(8, pt->last_level); level++) { + i915_miptree_set_level_info(tex, level, depth, width, height, depth); + + stack_nblocksy += MAX2(2, nblocksy); + + width = minify(width); + height = minify(height); + depth = minify(depth); + nblocksx = pf_get_nblocksx(&pt->block, width); + nblocksy = pf_get_nblocksy(&pt->block, height); + } + + /* Fixup depth image_offsets: + */ + depth = pt->depth[0]; + for (level = 0; level <= pt->last_level; level++) { + unsigned i; + for (i = 0; i < depth; i++) + i915_miptree_set_image_offset(tex, level, i, 0, i * stack_nblocksy); + + depth = minify(depth); + } + + /* Multiply slice size by texture depth for total size. It's + * remarkable how wasteful of memory the i915 texture layouts + * are. They are largely fixed in the i945. + */ + tex->total_nblocksy = stack_nblocksy * pt->depth[0]; +} + +static void +i915_miptree_layout_cube(struct i915_texture *tex) +{ + struct pipe_texture *pt = &tex->base; + unsigned width = pt->width[0], height = pt->height[0]; + const unsigned nblocks = pt->nblocksx[0]; + unsigned level; + unsigned face; + + assert(width == height); /* cubemap images are square */ + + /* double pitch for cube layouts */ + tex->stride = round_up(nblocks * pt->block.size * 2, 4); + tex->total_nblocksy = nblocks * 4; + + for (level = 0; level <= pt->last_level; level++) { + i915_miptree_set_level_info(tex, level, 6, width, height, 1); + width /= 2; + height /= 2; + } + + for (face = 0; face < 6; face++) { + unsigned x = initial_offsets[face][0] * nblocks; + unsigned y = initial_offsets[face][1] * nblocks; + unsigned d = nblocks; + + for (level = 0; level <= pt->last_level; level++) { + i915_miptree_set_image_offset(tex, level, face, x, y); + d >>= 1; + x += step_offsets[face][0] * d; + y += step_offsets[face][1] * d; + } + } +} + +static boolean +i915_miptree_layout(struct i915_texture * tex) +{ + struct pipe_texture *pt = &tex->base; + + switch (pt->target) { + case PIPE_TEXTURE_1D: + case PIPE_TEXTURE_2D: + i915_miptree_layout_2d(tex); + break; + case PIPE_TEXTURE_3D: + i915_miptree_layout_3d(tex); + break; + case PIPE_TEXTURE_CUBE: + i915_miptree_layout_cube(tex); + break; + default: + assert(0); + return FALSE; + } + + return TRUE; +} + + +/* + * i945 layout functions + */ + + +static void i945_miptree_layout_2d(struct i915_texture *tex) { struct pipe_texture *pt = &tex->base; @@ -263,6 +405,63 @@ i945_miptree_layout_2d(struct i915_texture *tex) } static void +i945_miptree_layout_3d(struct i915_texture *tex) +{ + struct pipe_texture *pt = &tex->base; + unsigned width = pt->width[0]; + unsigned height = pt->height[0]; + unsigned depth = pt->depth[0]; + unsigned nblocksx = pt->nblocksx[0]; + unsigned nblocksy = pt->nblocksy[0]; + unsigned pack_x_pitch, pack_x_nr; + unsigned pack_y_pitch; + unsigned level; + + tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4); + tex->total_nblocksy = 0; + + pack_y_pitch = MAX2(pt->nblocksy[0], 2); + pack_x_pitch = tex->stride / pt->block.size; + pack_x_nr = 1; + + for (level = 0; level <= pt->last_level; level++) { + int x = 0; + int y = 0; + unsigned q, j; + + i915_miptree_set_level_info(tex, level, depth, width, height, depth); + + for (q = 0; q < depth;) { + for (j = 0; j < pack_x_nr && q < depth; j++, q++) { + i915_miptree_set_image_offset(tex, level, q, x, y + tex->total_nblocksy); + x += pack_x_pitch; + } + + x = 0; + y += pack_y_pitch; + } + + tex->total_nblocksy += y; + + if (pack_x_pitch > 4) { + pack_x_pitch >>= 1; + pack_x_nr <<= 1; + assert(pack_x_pitch * pack_x_nr * pt->block.size <= tex->stride); + } + + if (pack_y_pitch > 2) { + pack_y_pitch >>= 1; + } + + width = minify(width); + height = minify(height); + depth = minify(depth); + nblocksx = pf_get_nblocksx(&pt->block, width); + nblocksy = pf_get_nblocksy(&pt->block, height); + } +} + +static void i945_miptree_layout_cube(struct i915_texture *tex) { struct pipe_texture *pt = &tex->base; @@ -364,214 +563,26 @@ i945_miptree_layout_cube(struct i915_texture *tex) } static boolean -i915_miptree_layout(struct i915_texture * tex) -{ - struct pipe_texture *pt = &tex->base; - unsigned level; - - switch (pt->target) { - case PIPE_TEXTURE_CUBE: { - const unsigned nblocks = pt->nblocksx[0]; - unsigned face; - unsigned width = pt->width[0], height = pt->height[0]; - - assert(width == height); /* cubemap images are square */ - - /* double pitch for cube layouts */ - tex->stride = round_up(nblocks * pt->block.size * 2, 4); - tex->total_nblocksy = nblocks * 4; - - for (level = 0; level <= pt->last_level; level++) { - i915_miptree_set_level_info(tex, level, 6, - width, height, - 1); - width /= 2; - height /= 2; - } - - for (face = 0; face < 6; face++) { - unsigned x = initial_offsets[face][0] * nblocks; - unsigned y = initial_offsets[face][1] * nblocks; - unsigned d = nblocks; - - for (level = 0; level <= pt->last_level; level++) { - i915_miptree_set_image_offset(tex, level, face, x, y); - d >>= 1; - x += step_offsets[face][0] * d; - y += step_offsets[face][1] * d; - } - } - break; - } - case PIPE_TEXTURE_3D:{ - unsigned width = pt->width[0]; - unsigned height = pt->height[0]; - unsigned depth = pt->depth[0]; - unsigned nblocksx = pt->nblocksx[0]; - unsigned nblocksy = pt->nblocksy[0]; - unsigned stack_nblocksy = 0; - - /* Calculate the size of a single slice. - */ - tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4); - - /* XXX: hardware expects/requires 9 levels at minimum. - */ - for (level = 0; level <= MAX2(8, pt->last_level); - level++) { - i915_miptree_set_level_info(tex, level, depth, - width, height, depth); - - - stack_nblocksy += MAX2(2, nblocksy); - - width = minify(width); - height = minify(height); - depth = minify(depth); - nblocksx = pf_get_nblocksx(&pt->block, width); - nblocksy = pf_get_nblocksy(&pt->block, height); - } - - /* Fixup depth image_offsets: - */ - depth = pt->depth[0]; - for (level = 0; level <= pt->last_level; level++) { - unsigned i; - for (i = 0; i < depth; i++) - i915_miptree_set_image_offset(tex, level, i, - 0, i * stack_nblocksy); - - depth = minify(depth); - } - - - /* Multiply slice size by texture depth for total size. It's - * remarkable how wasteful of memory the i915 texture layouts - * are. They are largely fixed in the i945. - */ - tex->total_nblocksy = stack_nblocksy * pt->depth[0]; - break; - } - - default:{ - unsigned width = pt->width[0]; - unsigned height = pt->height[0]; - unsigned nblocksx = pt->nblocksx[0]; - unsigned nblocksy = pt->nblocksy[0]; - - tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4); - tex->total_nblocksy = 0; - - for (level = 0; level <= pt->last_level; level++) { - i915_miptree_set_level_info(tex, level, 1, - width, height, 1); - i915_miptree_set_image_offset(tex, level, 0, - 0, tex->total_nblocksy); - - nblocksy = round_up(MAX2(2, nblocksy), 2); - - tex->total_nblocksy += nblocksy; - - width = minify(width); - height = minify(height); - nblocksx = pf_get_nblocksx(&pt->block, width); - nblocksy = pf_get_nblocksy(&pt->block, height); - } - break; - } - } - /* - DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__, - tex->pitch, - tex->total_nblocksy, pt->block.size, tex->stride * tex->total_nblocksy); - */ - - return TRUE; -} - -static boolean i945_miptree_layout(struct i915_texture * tex) { struct pipe_texture *pt = &tex->base; - unsigned level; switch (pt->target) { + case PIPE_TEXTURE_1D: + case PIPE_TEXTURE_2D: + i945_miptree_layout_2d(tex); + break; + case PIPE_TEXTURE_3D: + i945_miptree_layout_3d(tex); + break; case PIPE_TEXTURE_CUBE: i945_miptree_layout_cube(tex); break; - case PIPE_TEXTURE_3D:{ - unsigned width = pt->width[0]; - unsigned height = pt->height[0]; - unsigned depth = pt->depth[0]; - unsigned nblocksx = pt->nblocksx[0]; - unsigned nblocksy = pt->nblocksy[0]; - unsigned pack_x_pitch, pack_x_nr; - unsigned pack_y_pitch; - - tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4); - tex->total_nblocksy = 0; - - pack_y_pitch = MAX2(pt->nblocksy[0], 2); - pack_x_pitch = tex->stride / pt->block.size; - pack_x_nr = 1; - - for (level = 0; level <= pt->last_level; level++) { - unsigned nr_images = pt->target == PIPE_TEXTURE_3D ? depth : 6; - int x = 0; - int y = 0; - unsigned q, j; - - i915_miptree_set_level_info(tex, level, nr_images, - width, height, depth); - - for (q = 0; q < nr_images;) { - for (j = 0; j < pack_x_nr && q < nr_images; j++, q++) { - i915_miptree_set_image_offset(tex, level, q, x, y + tex->total_nblocksy); - x += pack_x_pitch; - } - - x = 0; - y += pack_y_pitch; - } - - - tex->total_nblocksy += y; - - if (pack_x_pitch > 4) { - pack_x_pitch >>= 1; - pack_x_nr <<= 1; - assert(pack_x_pitch * pack_x_nr * pt->block.size <= tex->stride); - } - - if (pack_y_pitch > 2) { - pack_y_pitch >>= 1; - } - - width = minify(width); - height = minify(height); - depth = minify(depth); - nblocksx = pf_get_nblocksx(&pt->block, width); - nblocksy = pf_get_nblocksy(&pt->block, height); - } - break; - } - - case PIPE_TEXTURE_1D: - case PIPE_TEXTURE_2D: -// case PIPE_TEXTURE_RECTANGLE: - i945_miptree_layout_2d(tex); - break; default: assert(0); return FALSE; } - /* - DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__, - tex->pitch, - tex->total_nblocksy, pt->block.size, tex->stride * tex->total_nblocksy); - */ - return TRUE; } |