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authorMarek Olšák <[email protected]>2017-08-10 22:29:54 +0200
committerMarek Olšák <[email protected]>2017-08-11 20:38:29 +0200
commit27fef5d52d44c8684fa4e7a21bd7a4284f3688ee (patch)
tree7c80f288151a86abb6ac6990e69438596a236f40 /src/gallium/drivers
parent2eee03b7a11339159f9a1f6ef90259caea899048 (diff)
radeonsi/gfx9: use the VI codepath for clamping Z
This fixes corrupted shadows in Unigine Valley. The corruption disappeared when I stopped setting IMG_DATA_FORMAT_24_8 for depth. Cc: 17.2 <[email protected]> Reviewed-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c2
-rw-r--r--src/gallium/drivers/radeonsi/si_state.c12
2 files changed, 2 insertions, 12 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
index 42f977d7ced..f8c99ff7e77 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
@@ -1392,7 +1392,7 @@ static void tex_fetch_args(
* It's unnecessary if the original texture format was
* Z32_FLOAT, but we don't know that here.
*/
- if (ctx->screen->b.chip_class == VI)
+ if (ctx->screen->b.chip_class >= VI)
z = ac_build_clamp(&ctx->ac, z);
address[count++] = z;
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 11dee499b87..2c413a4c365 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -3177,14 +3177,13 @@ si_make_texture_descriptor(struct si_screen *screen,
uint32_t *fmask_state)
{
struct pipe_resource *res = &tex->resource.b.b;
- const struct util_format_description *base_desc, *desc;
+ const struct util_format_description *desc;
unsigned char swizzle[4];
int first_non_void;
unsigned num_format, data_format, type;
uint64_t va;
desc = util_format_description(pipe_format);
- base_desc = util_format_description(res->format);
if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) {
const unsigned char swizzle_xxxx[4] = {0, 0, 0, 0};
@@ -3285,15 +3284,6 @@ si_make_texture_descriptor(struct si_screen *screen,
data_format = 0;
}
- /* Enable clamping for UNORM depth formats promoted to Z32F. */
- if (screen->b.chip_class >= GFX9 &&
- util_format_has_depth(desc) &&
- num_format == V_008F14_IMG_NUM_FORMAT_FLOAT &&
- util_get_depth_format_type(base_desc) != UTIL_FORMAT_TYPE_FLOAT) {
- /* NUM_FORMAT=FLOAT and DATA_FORMAT=24_8 means "clamp to [0,1]". */
- data_format = V_008F14_IMG_DATA_FORMAT_24_8;
- }
-
/* S8 with Z32 HTILE needs a special format. */
if (screen->b.chip_class >= GFX9 &&
pipe_format == PIPE_FORMAT_S8_UINT &&