}
}
-bool
+static bool
intel_tiling_supports_non_msrt_mcs(struct brw_context *brw, unsigned tiling)
{
/* From the Ivy Bridge PRM, Vol2 Part1 11.7 "MCS Buffer for Render
* - MCS buffer for non-MSRT is supported only for RT formats 32bpp,
* 64bpp, and 128bpp.
*/
-bool
-intel_miptree_is_fast_clear_capable(struct brw_context *brw,
- struct intel_mipmap_tree *mt)
+static bool
+intel_miptree_supports_non_msrt_fast_clear(struct brw_context *brw,
+ struct intel_mipmap_tree *mt)
{
/* MCS support does not exist prior to Gen7 */
if (brw->gen < 7)
if (mt->disable_aux_buffers)
return false;
+ /* This function applies only to non-multisampled render targets. */
+ if (mt->num_samples > 1)
+ return false;
+
/* MCS is only supported for color buffers */
switch (_mesa_get_format_base_format(mt->format)) {
case GL_DEPTH_COMPONENT:
return false;
}
+
+ /* Check for layered surfaces. */
if (mt->physical_depth0 != 1) {
+ /* Multisample surfaces with the CMS layout are not layered surfaces,
+ * yet still have physical_depth0 > 1. Assert that we don't
+ * accidentally reject a multisampled surface here. We should have
+ * rejected it earlier by explicitly checking the sample count.
+ */
+ assert(mt->num_samples <= 1);
+
if (brw->gen >= 8) {
perf_debug("Layered fast clear - giving up. (%dx%d%d)\n",
mt->logical_width0, mt->logical_height0,
* 7 | ? | ?
* 6 | ? | ?
*/
- if (intel_miptree_is_fast_clear_capable(brw, mt)) {
+ if (intel_miptree_supports_non_msrt_fast_clear(brw, mt)) {
if (brw->gen >= 9 || (brw->gen == 8 && num_samples <= 1))
layout_flags |= MIPTREE_LAYOUT_FORCE_HALIGN16;
} else if (brw->gen >= 9 && num_samples > 1) {
intel_get_yf_ys_bo_size(struct intel_mipmap_tree *mt, unsigned *alignment,
unsigned long *pitch)
{
- const uint32_t bpp = mt->cpp * 8;
- const uint32_t aspect_ratio = (bpp == 16 || bpp == 64) ? 2 : 1;
uint32_t tile_width, tile_height;
unsigned long stride, size, aligned_y;
assert(mt->tr_mode != INTEL_MIPTREE_TRMODE_NONE);
-
- switch (bpp) {
- case 8:
- tile_height = 64;
- break;
- case 16:
- case 32:
- tile_height = 32;
- break;
- case 64:
- case 128:
- tile_height = 16;
- break;
- default:
- unreachable("not reached");
- }
-
- if (mt->tr_mode == INTEL_MIPTREE_TRMODE_YS)
- tile_height *= 4;
+ intel_get_tile_dims(mt->tiling, mt->tr_mode, mt->cpp,
+ &tile_width, &tile_height);
aligned_y = ALIGN(mt->total_height, tile_height);
stride = mt->total_width * mt->cpp;
- tile_width = tile_height * mt->cpp * aspect_ratio;
stride = ALIGN(stride, tile_width);
size = stride * aligned_y;
* clear actually occurs.
*/
if (intel_tiling_supports_non_msrt_mcs(brw, mt->tiling) &&
- intel_miptree_is_fast_clear_capable(brw, mt)) {
+ intel_miptree_supports_non_msrt_fast_clear(brw, mt)) {
mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
- assert(brw->gen < 8 || mt->align_w == 16 || num_samples <= 1);
+ assert(brw->gen < 8 || mt->halign == 16 || num_samples <= 1);
}
return mt;
* clear actually occurs.
*/
if (intel_tiling_supports_non_msrt_mcs(intel, singlesample_mt->tiling) &&
- intel_miptree_is_fast_clear_capable(intel, singlesample_mt))
+ intel_miptree_supports_non_msrt_fast_clear(intel, singlesample_mt)) {
singlesample_mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
+ }
if (num_samples == 0) {
intel_miptree_release(&irb->mt);
*mt = NULL;
}
+
void
-intel_miptree_get_dimensions_for_image(struct gl_texture_image *image,
- int *width, int *height, int *depth)
+intel_get_image_dims(struct gl_texture_image *image,
+ int *width, int *height, int *depth)
{
switch (image->TexObject->Target) {
case GL_TEXTURE_1D_ARRAY:
+ /* For a 1D Array texture the OpenGL API will treat the image height as
+ * the number of array slices. For Intel hardware, we treat the 1D array
+ * as a 2D Array with a height of 1. So, here we want to swap image
+ * height and depth.
+ */
*width = image->Width;
*height = 1;
*depth = image->Height;
if (image->TexFormat != mt_format)
return false;
- intel_miptree_get_dimensions_for_image(image, &width, &height, &depth);
+ intel_get_image_dims(image, &width, &height, &depth);
if (mt->target == GL_TEXTURE_CUBE_MAP)
depth = 6;
*y = mt->level[level].slice[slice].y_offset;
}
+
+/**
+ * This function computes the tile_w (in bytes) and tile_h (in rows) of
+ * different tiling patterns. If the BO is untiled, tile_w is set to cpp
+ * and tile_h is set to 1.
+ */
+void
+intel_get_tile_dims(uint32_t tiling, uint32_t tr_mode, uint32_t cpp,
+ uint32_t *tile_w, uint32_t *tile_h)
+{
+ if (tr_mode == INTEL_MIPTREE_TRMODE_NONE) {
+ switch (tiling) {
+ case I915_TILING_X:
+ *tile_w = 512;
+ *tile_h = 8;
+ break;
+ case I915_TILING_Y:
+ *tile_w = 128;
+ *tile_h = 32;
+ break;
+ case I915_TILING_NONE:
+ *tile_w = cpp;
+ *tile_h = 1;
+ break;
+ default:
+ unreachable("not reached");
+ }
+ } else {
+ uint32_t aspect_ratio = 1;
+ assert(_mesa_is_pow_two(cpp));
+
+ switch (cpp) {
+ case 1:
+ *tile_h = 64;
+ break;
+ case 2:
+ case 4:
+ *tile_h = 32;
+ break;
+ case 8:
+ case 16:
+ *tile_h = 16;
+ break;
+ default:
+ unreachable("not reached");
+ }
+
+ if (cpp == 2 || cpp == 8)
+ aspect_ratio = 2;
+
+ if (tr_mode == INTEL_MIPTREE_TRMODE_YS)
+ *tile_h *= 4;
+
+ *tile_w = *tile_h * aspect_ratio * cpp;
+ }
+}
+
+
/**
* This function computes masks that may be used to select the bits of the X
* and Y coordinates that indicate the offset within a tile. If the BO is
* untiled, the masks are set to 0.
*/
void
-intel_miptree_get_tile_masks(const struct intel_mipmap_tree *mt,
- uint32_t *mask_x, uint32_t *mask_y,
- bool map_stencil_as_y_tiled)
+intel_get_tile_masks(uint32_t tiling, uint32_t tr_mode, uint32_t cpp,
+ bool map_stencil_as_y_tiled,
+ uint32_t *mask_x, uint32_t *mask_y)
{
- int cpp = mt->cpp;
- uint32_t tiling = mt->tiling;
-
+ uint32_t tile_w_bytes, tile_h;
if (map_stencil_as_y_tiled)
tiling = I915_TILING_Y;
- switch (tiling) {
- default:
- unreachable("not reached");
- case I915_TILING_NONE:
- *mask_x = *mask_y = 0;
- break;
- case I915_TILING_X:
- *mask_x = 512 / cpp - 1;
- *mask_y = 7;
- break;
- case I915_TILING_Y:
- *mask_x = 128 / cpp - 1;
- *mask_y = 31;
- break;
- }
+ intel_get_tile_dims(tiling, tr_mode, cpp, &tile_w_bytes, &tile_h);
+
+ *mask_x = tile_w_bytes / cpp - 1;
+ *mask_y = tile_h - 1;
}
/**
uint32_t x, y;
uint32_t mask_x, mask_y;
- intel_miptree_get_tile_masks(mt, &mask_x, &mask_y, false);
+ intel_get_tile_masks(mt->tiling, mt->tr_mode, mt->cpp, false, &mask_x, &mask_y);
intel_miptree_get_image_offset(mt, level, slice, &x, &y);
*tile_x = x & mask_x;
struct intel_miptree_map *map,
unsigned int level, unsigned int slice)
{
- map->mt = intel_miptree_create(brw, GL_TEXTURE_2D, mt->format,
- 0, 0,
- map->w, map->h, 1,
- 0, MIPTREE_LAYOUT_TILING_NONE);
+ map->linear_mt = intel_miptree_create(brw, GL_TEXTURE_2D, mt->format,
+ /* first_level */ 0,
+ /* last_level */ 0,
+ map->w, map->h, 1,
+ /* samples */ 0,
+ MIPTREE_LAYOUT_TILING_NONE);
- if (!map->mt) {
+ if (!map->linear_mt) {
fprintf(stderr, "Failed to allocate blit temporary\n");
goto fail;
}
- map->stride = map->mt->pitch;
+ map->stride = map->linear_mt->pitch;
/* One of either READ_BIT or WRITE_BIT or both is set. READ_BIT implies no
* INVALIDATE_RANGE_BIT. WRITE_BIT needs the original values read in unless
if (!intel_miptree_blit(brw,
mt, level, slice,
map->x, map->y, false,
- map->mt, 0, 0,
+ map->linear_mt, 0, 0,
0, 0, false,
map->w, map->h, GL_COPY)) {
fprintf(stderr, "Failed to blit\n");
}
}
- map->ptr = intel_miptree_map_raw(brw, map->mt);
+ map->ptr = intel_miptree_map_raw(brw, map->linear_mt);
DBG("%s: %d,%d %dx%d from mt %p (%s) %d,%d = %p/%d\n", __func__,
map->x, map->y, map->w, map->h,
return;
fail:
- intel_miptree_release(&map->mt);
+ intel_miptree_release(&map->linear_mt);
map->ptr = NULL;
map->stride = 0;
}
{
struct gl_context *ctx = &brw->ctx;
- intel_miptree_unmap_raw(map->mt);
+ intel_miptree_unmap_raw(map->linear_mt);
if (map->mode & GL_MAP_WRITE_BIT) {
bool ok = intel_miptree_blit(brw,
- map->mt, 0, 0,
+ map->linear_mt, 0, 0,
0, 0, false,
mt, level, slice,
map->x, map->y, false,
WARN_ONCE(!ok, "Failed to blit from linear temporary mapping");
}
- intel_miptree_release(&map->mt);
+ intel_miptree_release(&map->linear_mt);
}
/**
intel_miptree_unmap_etc(brw, mt, map, level, slice);
} else if (mt->stencil_mt && !(map->mode & BRW_MAP_DIRECT_BIT)) {
intel_miptree_unmap_depthstencil(brw, mt, map, level, slice);
- } else if (map->mt) {
+ } else if (map->linear_mt) {
intel_miptree_unmap_blit(brw, mt, map, level, slice);
#if defined(USE_SSE41)
} else if (map->buffer && cpu_has_sse4_1) {
projects / mesa.git / blobdiff