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ac: add ac_choose_spi_color_formats() to common code

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It's similar between RADV and RadeonSI.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5436>
This commit is contained in:
Samuel Pitoiset
2020-06-11 22:25:53 +02:00
parent 1d9e6e456a
commit 013d096d15
4 changed files with 147 additions and 221 deletions
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125
src/amd/vulkan/radv_pipeline.c
View File

@@ -453,128 +453,29 @@ static bool is_dual_src(VkBlendFactor factor)
}
}
static unsigned si_choose_spi_color_format(VkFormat vk_format,
bool blend_enable,
bool blend_need_alpha)
static unsigned radv_choose_spi_color_format(VkFormat vk_format,
bool blend_enable,
bool blend_need_alpha)
{
const struct vk_format_description *desc = vk_format_description(vk_format);
struct ac_spi_color_formats formats = {};
unsigned format, ntype, swap;
/* Alpha is needed for alpha-to-coverage.
* Blending may be with or without alpha.
*/
unsigned normal = 0; /* most optimal, may not support blending or export alpha */
unsigned alpha = 0; /* exports alpha, but may not support blending */
unsigned blend = 0; /* supports blending, but may not export alpha */
unsigned blend_alpha = 0; /* least optimal, supports blending and exports alpha */
format = radv_translate_colorformat(vk_format);
ntype = radv_translate_color_numformat(vk_format, desc,
vk_format_get_first_non_void_channel(vk_format));
swap = radv_translate_colorswap(vk_format, false);
/* Choose the SPI color formats. These are required values for Stoney/RB+.
* Other chips have multiple choices, though they are not necessarily better.
*/
switch (format) {
case V_028C70_COLOR_5_6_5:
case V_028C70_COLOR_1_5_5_5:
case V_028C70_COLOR_5_5_5_1:
case V_028C70_COLOR_4_4_4_4:
case V_028C70_COLOR_10_11_11:
case V_028C70_COLOR_11_11_10:
case V_028C70_COLOR_8:
case V_028C70_COLOR_8_8:
case V_028C70_COLOR_8_8_8_8:
case V_028C70_COLOR_10_10_10_2:
case V_028C70_COLOR_2_10_10_10:
if (ntype == V_028C70_NUMBER_UINT)
alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR;
else if (ntype == V_028C70_NUMBER_SINT)
alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR;
else
alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR;
break;
case V_028C70_COLOR_16:
case V_028C70_COLOR_16_16:
case V_028C70_COLOR_16_16_16_16:
if (ntype == V_028C70_NUMBER_UNORM ||
ntype == V_028C70_NUMBER_SNORM) {
/* UNORM16 and SNORM16 don't support blending */
if (ntype == V_028C70_NUMBER_UNORM)
normal = alpha = V_028714_SPI_SHADER_UNORM16_ABGR;
else
normal = alpha = V_028714_SPI_SHADER_SNORM16_ABGR;
/* Use 32 bits per channel for blending. */
if (format == V_028C70_COLOR_16) {
if (swap == V_028C70_SWAP_STD) { /* R */
blend = V_028714_SPI_SHADER_32_R;
blend_alpha = V_028714_SPI_SHADER_32_AR;
} else if (swap == V_028C70_SWAP_ALT_REV) /* A */
blend = blend_alpha = V_028714_SPI_SHADER_32_AR;
else
assert(0);
} else if (format == V_028C70_COLOR_16_16) {
if (swap == V_028C70_SWAP_STD) { /* RG */
blend = V_028714_SPI_SHADER_32_GR;
blend_alpha = V_028714_SPI_SHADER_32_ABGR;
} else if (swap == V_028C70_SWAP_ALT) /* RA */
blend = blend_alpha = V_028714_SPI_SHADER_32_AR;
else
assert(0);
} else /* 16_16_16_16 */
blend = blend_alpha = V_028714_SPI_SHADER_32_ABGR;
} else if (ntype == V_028C70_NUMBER_UINT)
alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR;
else if (ntype == V_028C70_NUMBER_SINT)
alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR;
else if (ntype == V_028C70_NUMBER_FLOAT)
alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR;
else
assert(0);
break;
case V_028C70_COLOR_32:
if (swap == V_028C70_SWAP_STD) { /* R */
blend = normal = V_028714_SPI_SHADER_32_R;
alpha = blend_alpha = V_028714_SPI_SHADER_32_AR;
} else if (swap == V_028C70_SWAP_ALT_REV) /* A */
alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR;
else
assert(0);
break;
case V_028C70_COLOR_32_32:
if (swap == V_028C70_SWAP_STD) { /* RG */
blend = normal = V_028714_SPI_SHADER_32_GR;
alpha = blend_alpha = V_028714_SPI_SHADER_32_ABGR;
} else if (swap == V_028C70_SWAP_ALT) /* RA */
alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR;
else
assert(0);
break;
case V_028C70_COLOR_32_32_32_32:
case V_028C70_COLOR_8_24:
case V_028C70_COLOR_24_8:
case V_028C70_COLOR_X24_8_32_FLOAT:
alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_ABGR;
break;
default:
unreachable("unhandled blend format");
}
ac_choose_spi_color_formats(format, swap, ntype, false, &formats);
if (blend_enable && blend_need_alpha)
return blend_alpha;
return formats.blend_alpha;
else if(blend_need_alpha)
return alpha;
return formats.alpha;
else if(blend_enable)
return blend;
return formats.blend;
else
return normal;
return formats.normal;
}
static void
@@ -597,9 +498,9 @@ radv_pipeline_compute_spi_color_formats(struct radv_pipeline *pipeline,
bool blend_enable =
blend->blend_enable_4bit & (0xfu << (i * 4));
cf = si_choose_spi_color_format(attachment->format,
blend_enable,
blend->need_src_alpha & (1 << i));
cf = radv_choose_spi_color_format(attachment->format,
blend_enable,
blend->need_src_alpha & (1 << i));
}
col_format |= cf << (4 * i);
@@ -678,7 +579,7 @@ const VkFormat radv_fs_key_format_exemplars[NUM_META_FS_KEYS] = {
unsigned radv_format_meta_fs_key(VkFormat format)
{
unsigned col_format = si_choose_spi_color_format(format, false, false);
unsigned col_format = radv_choose_spi_color_format(format, false, false);
assert(col_format != V_028714_SPI_SHADER_32_AR);
if (col_format >= V_028714_SPI_SHADER_32_AR)