/*
* Copyright © 2021 Raspberry Pi
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "v3dv_private.h"
#include "broadcom/common/v3d_macros.h"
#include "broadcom/cle/v3dx_pack.h"
#include "util/format/u_format.h"
#define SWIZ(x,y,z,w) { \
PIPE_SWIZZLE_##x, \
PIPE_SWIZZLE_##y, \
PIPE_SWIZZLE_##z, \
PIPE_SWIZZLE_##w \
}
#define FORMAT(vk, rt, tex, swiz, return_size, supports_filtering) \
[VK_FORMAT_##vk] = { \
true, \
V3D_OUTPUT_IMAGE_FORMAT_##rt, \
TEXTURE_DATA_FORMAT_##tex, \
swiz, \
return_size, \
supports_filtering, \
}
#define SWIZ_X001 SWIZ(X, 0, 0, 1)
#define SWIZ_XY01 SWIZ(X, Y, 0, 1)
#define SWIZ_XYZ1 SWIZ(X, Y, Z, 1)
#define SWIZ_XYZW SWIZ(X, Y, Z, W)
#define SWIZ_YZWX SWIZ(Y, Z, W, X)
#define SWIZ_YZW1 SWIZ(Y, Z, W, 1)
#define SWIZ_ZYXW SWIZ(Z, Y, X, W)
#define SWIZ_ZYX1 SWIZ(Z, Y, X, 1)
#define SWIZ_XXXY SWIZ(X, X, X, Y)
#define SWIZ_XXX1 SWIZ(X, X, X, 1)
#define SWIZ_XXXX SWIZ(X, X, X, X)
#define SWIZ_000X SWIZ(0, 0, 0, X)
#define SWIZ_WXYZ SWIZ(W, X, Y, Z)
/* FIXME: expand format table to describe whether the format is supported
* for buffer surfaces (texel buffers, vertex buffers, etc).
*/
static const struct v3dv_format format_table[] = {
/* Color, 4 channels */
FORMAT(B8G8R8A8_SRGB, SRGB8_ALPHA8, RGBA8, SWIZ_ZYXW, 16, true),
FORMAT(B8G8R8A8_UNORM, RGBA8, RGBA8, SWIZ_ZYXW, 16, true),
FORMAT(R8G8B8A8_SRGB, SRGB8_ALPHA8, RGBA8, SWIZ_XYZW, 16, true),
FORMAT(R8G8B8A8_UNORM, RGBA8, RGBA8, SWIZ_XYZW, 16, true),
FORMAT(R8G8B8A8_SNORM, NO, RGBA8_SNORM, SWIZ_XYZW, 16, true),
FORMAT(R8G8B8A8_SINT, RGBA8I, RGBA8I, SWIZ_XYZW, 16, false),
FORMAT(R8G8B8A8_UINT, RGBA8UI, RGBA8UI, SWIZ_XYZW, 16, false),
FORMAT(R16G16B16A16_SFLOAT, RGBA16F, RGBA16F, SWIZ_XYZW, 16, true),
FORMAT(R16G16B16A16_UNORM, NO, RGBA16, SWIZ_XYZW, 32, true),
FORMAT(R16G16B16A16_SNORM, NO, RGBA16_SNORM, SWIZ_XYZW, 32, true),
FORMAT(R16G16B16A16_SINT, RGBA16I, RGBA16I, SWIZ_XYZW, 16, false),
FORMAT(R16G16B16A16_UINT, RGBA16UI, RGBA16UI, SWIZ_XYZW, 16, false),
FORMAT(R32G32B32A32_SFLOAT, RGBA32F, RGBA32F, SWIZ_XYZW, 32, false),
FORMAT(R32G32B32A32_SINT, RGBA32I, RGBA32I, SWIZ_XYZW, 32, false),
FORMAT(R32G32B32A32_UINT, RGBA32UI, RGBA32UI, SWIZ_XYZW, 32, false),
/* Color, 3 channels */
FORMAT(R32G32B32_SFLOAT, NO, NO, SWIZ_XYZ1, 0, false),
FORMAT(R32G32B32_UINT, NO, NO, SWIZ_XYZ1, 0, false),
FORMAT(R32G32B32_SINT, NO, NO, SWIZ_XYZ1, 0, false),
/* Color, 2 channels */
FORMAT(R8G8_UNORM, RG8, RG8, SWIZ_XY01, 16, true),
FORMAT(R8G8_SNORM, NO, RG8_SNORM, SWIZ_XY01, 16, true),
FORMAT(R8G8_SINT, RG8I, RG8I, SWIZ_XY01, 16, false),
FORMAT(R8G8_UINT, RG8UI, RG8UI, SWIZ_XY01, 16, false),
FORMAT(R16G16_UNORM, NO, RG16, SWIZ_XY01, 32, true),
FORMAT(R16G16_SNORM, NO, RG16_SNORM, SWIZ_XY01, 32, true),
FORMAT(R16G16_SFLOAT, RG16F, RG16F, SWIZ_XY01, 16, true),
FORMAT(R16G16_SINT, RG16I, RG16I, SWIZ_XY01, 16, false),
FORMAT(R16G16_UINT, RG16UI, RG16UI, SWIZ_XY01, 16, false),
FORMAT(R32G32_SFLOAT, RG32F, RG32F, SWIZ_XY01, 32, false),
FORMAT(R32G32_SINT, RG32I, RG32I, SWIZ_XY01, 32, false),
FORMAT(R32G32_UINT, RG32UI, RG32UI, SWIZ_XY01, 32, false),
/* Color, 1 channel */
FORMAT(R8_UNORM, R8, R8, SWIZ_X001, 16, true),
FORMAT(R8_SNORM, NO, R8_SNORM, SWIZ_X001, 16, true),
FORMAT(R8_SINT, R8I, R8I, SWIZ_X001, 16, false),
FORMAT(R8_UINT, R8UI, R8UI, SWIZ_X001, 16, false),
FORMAT(R16_UNORM, NO, R16, SWIZ_X001, 32, true),
FORMAT(R16_SNORM, NO, R16_SNORM, SWIZ_X001, 32, true),
FORMAT(R16_SFLOAT, R16F, R16F, SWIZ_X001, 16, true),
FORMAT(R16_SINT, R16I, R16I, SWIZ_X001, 16, false),
FORMAT(R16_UINT, R16UI, R16UI, SWIZ_X001, 16, false),
FORMAT(R32_SFLOAT, R32F, R32F, SWIZ_X001, 32, false),
FORMAT(R32_SINT, R32I, R32I, SWIZ_X001, 32, false),
FORMAT(R32_UINT, R32UI, R32UI, SWIZ_X001, 32, false),
/* Color, packed */
FORMAT(R4G4B4A4_UNORM_PACK16, ABGR4444, RGBA4, SWIZ_XYZW, 16, true),
FORMAT(B4G4R4A4_UNORM_PACK16, ABGR4444, RGBA4, SWIZ_ZYXW, 16, true), /* Swap RB */
FORMAT(R5G6B5_UNORM_PACK16, BGR565, RGB565, SWIZ_XYZ1, 16, true),
FORMAT(R5G5B5A1_UNORM_PACK16, ABGR1555, RGB5_A1, SWIZ_XYZW, 16, true),
FORMAT(A1R5G5B5_UNORM_PACK16, RGBA5551, A1_RGB5, SWIZ_ZYXW, 16, true), /* Swap RB */
FORMAT(A8B8G8R8_UNORM_PACK32, RGBA8, RGBA8, SWIZ_XYZW, 16, true), /* RGBA8 UNORM */
FORMAT(A8B8G8R8_SNORM_PACK32, NO, RGBA8_SNORM, SWIZ_XYZW, 16, true), /* RGBA8 SNORM */
FORMAT(A8B8G8R8_UINT_PACK32, RGBA8UI, RGBA8UI, SWIZ_XYZW, 16, false), /* RGBA8 UINT */
FORMAT(A8B8G8R8_SINT_PACK32, RGBA8I, RGBA8I, SWIZ_XYZW, 16, false), /* RGBA8 SINT */
FORMAT(A8B8G8R8_SRGB_PACK32, SRGB8_ALPHA8, RGBA8, SWIZ_XYZW, 16, true), /* RGBA8 sRGB */
FORMAT(A2B10G10R10_UNORM_PACK32,RGB10_A2, RGB10_A2, SWIZ_XYZW, 16, true),
FORMAT(A2B10G10R10_UINT_PACK32, RGB10_A2UI, RGB10_A2UI, SWIZ_XYZW, 16, false),
FORMAT(E5B9G9R9_UFLOAT_PACK32, NO, RGB9_E5, SWIZ_XYZ1, 16, true),
FORMAT(B10G11R11_UFLOAT_PACK32, R11F_G11F_B10F,R11F_G11F_B10F, SWIZ_XYZ1, 16, true),
/* Depth */
FORMAT(D16_UNORM, D16, DEPTH_COMP16, SWIZ_X001, 32, false),
FORMAT(D32_SFLOAT, D32F, DEPTH_COMP32F, SWIZ_X001, 32, false),
FORMAT(X8_D24_UNORM_PACK32, D24S8, DEPTH24_X8, SWIZ_X001, 32, false),
/* Depth + Stencil */
FORMAT(D24_UNORM_S8_UINT, D24S8, DEPTH24_X8, SWIZ_X001, 32, false),
/* Compressed: ETC2 / EAC */
FORMAT(ETC2_R8G8B8_UNORM_BLOCK, NO, RGB8_ETC2, SWIZ_XYZ1, 16, true),
FORMAT(ETC2_R8G8B8_SRGB_BLOCK, NO, RGB8_ETC2, SWIZ_XYZ1, 16, true),
FORMAT(ETC2_R8G8B8A1_UNORM_BLOCK, NO, RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, true),
FORMAT(ETC2_R8G8B8A1_SRGB_BLOCK, NO, RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, true),
FORMAT(ETC2_R8G8B8A8_UNORM_BLOCK, NO, RGBA8_ETC2_EAC, SWIZ_XYZW, 16, true),
FORMAT(ETC2_R8G8B8A8_SRGB_BLOCK, NO, RGBA8_ETC2_EAC, SWIZ_XYZW, 16, true),
FORMAT(EAC_R11_UNORM_BLOCK, NO, R11_EAC, SWIZ_X001, 16, true),
FORMAT(EAC_R11_SNORM_BLOCK, NO, SIGNED_R11_EAC, SWIZ_X001, 16, true),
FORMAT(EAC_R11G11_UNORM_BLOCK, NO, RG11_EAC, SWIZ_XY01, 16, true),
FORMAT(EAC_R11G11_SNORM_BLOCK, NO, SIGNED_RG11_EAC, SWIZ_XY01, 16, true),
/* Compressed: BC1-3 */
FORMAT(BC1_RGB_UNORM_BLOCK, NO, BC1, SWIZ_XYZ1, 16, true),
FORMAT(BC1_RGB_SRGB_BLOCK, NO, BC1, SWIZ_XYZ1, 16, true),
FORMAT(BC1_RGBA_UNORM_BLOCK, NO, BC1, SWIZ_XYZW, 16, true),
FORMAT(BC1_RGBA_SRGB_BLOCK, NO, BC1, SWIZ_XYZW, 16, true),
FORMAT(BC2_UNORM_BLOCK, NO, BC2, SWIZ_XYZW, 16, true),
FORMAT(BC2_SRGB_BLOCK, NO, BC2, SWIZ_XYZW, 16, true),
FORMAT(BC3_UNORM_BLOCK, NO, BC3, SWIZ_XYZW, 16, true),
FORMAT(BC3_SRGB_BLOCK, NO, BC3, SWIZ_XYZW, 16, true),
/* Compressed: ASTC */
FORMAT(ASTC_4x4_UNORM_BLOCK, NO, ASTC_4X4, SWIZ_XYZW, 16, true),
FORMAT(ASTC_4x4_SRGB_BLOCK, NO, ASTC_4X4, SWIZ_XYZW, 16, true),
FORMAT(ASTC_5x4_UNORM_BLOCK, NO, ASTC_5X4, SWIZ_XYZW, 16, true),
FORMAT(ASTC_5x4_SRGB_BLOCK, NO, ASTC_5X4, SWIZ_XYZW, 16, true),
FORMAT(ASTC_5x5_UNORM_BLOCK, NO, ASTC_5X5, SWIZ_XYZW, 16, true),
FORMAT(ASTC_5x5_SRGB_BLOCK, NO, ASTC_5X5, SWIZ_XYZW, 16, true),
FORMAT(ASTC_6x5_UNORM_BLOCK, NO, ASTC_6X5, SWIZ_XYZW, 16, true),
FORMAT(ASTC_6x5_SRGB_BLOCK, NO, ASTC_6X5, SWIZ_XYZW, 16, true),
FORMAT(ASTC_6x6_UNORM_BLOCK, NO, ASTC_6X6, SWIZ_XYZW, 16, true),
FORMAT(ASTC_6x6_SRGB_BLOCK, NO, ASTC_6X6, SWIZ_XYZW, 16, true),
FORMAT(ASTC_8x5_UNORM_BLOCK, NO, ASTC_8X5, SWIZ_XYZW, 16, true),
FORMAT(ASTC_8x5_SRGB_BLOCK, NO, ASTC_8X5, SWIZ_XYZW, 16, true),
FORMAT(ASTC_8x6_UNORM_BLOCK, NO, ASTC_8X6, SWIZ_XYZW, 16, true),
FORMAT(ASTC_8x6_SRGB_BLOCK, NO, ASTC_8X6, SWIZ_XYZW, 16, true),
FORMAT(ASTC_8x8_UNORM_BLOCK, NO, ASTC_8X8, SWIZ_XYZW, 16, true),
FORMAT(ASTC_8x8_SRGB_BLOCK, NO, ASTC_8X8, SWIZ_XYZW, 16, true),
FORMAT(ASTC_10x5_UNORM_BLOCK, NO, ASTC_10X5, SWIZ_XYZW, 16, true),
FORMAT(ASTC_10x5_SRGB_BLOCK, NO, ASTC_10X5, SWIZ_XYZW, 16, true),
FORMAT(ASTC_10x6_UNORM_BLOCK, NO, ASTC_10X6, SWIZ_XYZW, 16, true),
FORMAT(ASTC_10x6_SRGB_BLOCK, NO, ASTC_10X6, SWIZ_XYZW, 16, true),
FORMAT(ASTC_10x8_UNORM_BLOCK, NO, ASTC_10X8, SWIZ_XYZW, 16, true),
FORMAT(ASTC_10x8_SRGB_BLOCK, NO, ASTC_10X8, SWIZ_XYZW, 16, true),
FORMAT(ASTC_10x10_UNORM_BLOCK, NO, ASTC_10X10, SWIZ_XYZW, 16, true),
FORMAT(ASTC_10x10_SRGB_BLOCK, NO, ASTC_10X10, SWIZ_XYZW, 16, true),
FORMAT(ASTC_12x10_UNORM_BLOCK, NO, ASTC_12X10, SWIZ_XYZW, 16, true),
FORMAT(ASTC_12x10_SRGB_BLOCK, NO, ASTC_12X10, SWIZ_XYZW, 16, true),
FORMAT(ASTC_12x12_UNORM_BLOCK, NO, ASTC_12X12, SWIZ_XYZW, 16, true),
FORMAT(ASTC_12x12_SRGB_BLOCK, NO, ASTC_12X12, SWIZ_XYZW, 16, true),
};
const struct v3dv_format *
v3dX(get_format)(VkFormat format)
{
if (format < ARRAY_SIZE(format_table) && format_table[format].supported)
return &format_table[format];
else
return NULL;
}
void
v3dX(get_internal_type_bpp_for_output_format)(uint32_t format,
uint32_t *type,
uint32_t *bpp)
{
switch (format) {
case V3D_OUTPUT_IMAGE_FORMAT_RGBA8:
case V3D_OUTPUT_IMAGE_FORMAT_RGB8:
case V3D_OUTPUT_IMAGE_FORMAT_RG8:
case V3D_OUTPUT_IMAGE_FORMAT_R8:
case V3D_OUTPUT_IMAGE_FORMAT_ABGR4444:
case V3D_OUTPUT_IMAGE_FORMAT_BGR565:
case V3D_OUTPUT_IMAGE_FORMAT_ABGR1555:
*type = V3D_INTERNAL_TYPE_8;
*bpp = V3D_INTERNAL_BPP_32;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RGBA8I:
case V3D_OUTPUT_IMAGE_FORMAT_RG8I:
case V3D_OUTPUT_IMAGE_FORMAT_R8I:
*type = V3D_INTERNAL_TYPE_8I;
*bpp = V3D_INTERNAL_BPP_32;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RGBA8UI:
case V3D_OUTPUT_IMAGE_FORMAT_RG8UI:
case V3D_OUTPUT_IMAGE_FORMAT_R8UI:
*type = V3D_INTERNAL_TYPE_8UI;
*bpp = V3D_INTERNAL_BPP_32;
break;
case V3D_OUTPUT_IMAGE_FORMAT_SRGB8_ALPHA8:
case V3D_OUTPUT_IMAGE_FORMAT_SRGB:
case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2:
case V3D_OUTPUT_IMAGE_FORMAT_R11F_G11F_B10F:
case V3D_OUTPUT_IMAGE_FORMAT_RGBA16F:
/* Note that sRGB RTs are stored in the tile buffer at 16F,
* and the conversion to sRGB happens at tilebuffer load/store.
*/
*type = V3D_INTERNAL_TYPE_16F;
*bpp = V3D_INTERNAL_BPP_64;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RG16F:
case V3D_OUTPUT_IMAGE_FORMAT_R16F:
*type = V3D_INTERNAL_TYPE_16F;
/* Use 64bpp to make sure the TLB doesn't throw away the alpha
* channel before alpha test happens.
*/
*bpp = V3D_INTERNAL_BPP_64;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RGBA16I:
*type = V3D_INTERNAL_TYPE_16I;
*bpp = V3D_INTERNAL_BPP_64;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RG16I:
case V3D_OUTPUT_IMAGE_FORMAT_R16I:
*type = V3D_INTERNAL_TYPE_16I;
*bpp = V3D_INTERNAL_BPP_32;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2UI:
case V3D_OUTPUT_IMAGE_FORMAT_RGBA16UI:
*type = V3D_INTERNAL_TYPE_16UI;
*bpp = V3D_INTERNAL_BPP_64;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RG16UI:
case V3D_OUTPUT_IMAGE_FORMAT_R16UI:
*type = V3D_INTERNAL_TYPE_16UI;
*bpp = V3D_INTERNAL_BPP_32;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RGBA32I:
*type = V3D_INTERNAL_TYPE_32I;
*bpp = V3D_INTERNAL_BPP_128;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RG32I:
*type = V3D_INTERNAL_TYPE_32I;
*bpp = V3D_INTERNAL_BPP_64;
break;
case V3D_OUTPUT_IMAGE_FORMAT_R32I:
*type = V3D_INTERNAL_TYPE_32I;
*bpp = V3D_INTERNAL_BPP_32;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RGBA32UI:
*type = V3D_INTERNAL_TYPE_32UI;
*bpp = V3D_INTERNAL_BPP_128;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RG32UI:
*type = V3D_INTERNAL_TYPE_32UI;
*bpp = V3D_INTERNAL_BPP_64;
break;
case V3D_OUTPUT_IMAGE_FORMAT_R32UI:
*type = V3D_INTERNAL_TYPE_32UI;
*bpp = V3D_INTERNAL_BPP_32;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RGBA32F:
*type = V3D_INTERNAL_TYPE_32F;
*bpp = V3D_INTERNAL_BPP_128;
break;
case V3D_OUTPUT_IMAGE_FORMAT_RG32F:
*type = V3D_INTERNAL_TYPE_32F;
*bpp = V3D_INTERNAL_BPP_64;
break;
case V3D_OUTPUT_IMAGE_FORMAT_R32F:
*type = V3D_INTERNAL_TYPE_32F;
*bpp = V3D_INTERNAL_BPP_32;
break;
default:
/* Provide some default values, as we'll be called at RB
* creation time, even if an RB with this format isn't supported.
*/
*type = V3D_INTERNAL_TYPE_8;
*bpp = V3D_INTERNAL_BPP_32;
break;
}
}
bool
v3dX(format_supports_tlb_resolve)(const struct v3dv_format *format)
{
uint32_t type, bpp;
v3dX(get_internal_type_bpp_for_output_format)(format->rt_type, &type, &bpp);
return type == V3D_INTERNAL_TYPE_8 || type == V3D_INTERNAL_TYPE_16F;
}
bool
v3dX(format_supports_blending)(const struct v3dv_format *format)
{
/* Hardware blending is only supported on render targets that are configured
* 4x8-bit unorm, 2x16-bit float or 4x16-bit float.
*/
uint32_t type, bpp;
v3dX(get_internal_type_bpp_for_output_format)(format->rt_type, &type, &bpp);
switch (type) {
case V3D_INTERNAL_TYPE_8:
return bpp == V3D_INTERNAL_BPP_32;
case V3D_INTERNAL_TYPE_16F:
return bpp == V3D_INTERNAL_BPP_32 || V3D_INTERNAL_BPP_64;
default:
return false;
}
}
bool
v3dX(tfu_supports_tex_format)(uint32_t tex_format)
{
switch (tex_format) {
case TEXTURE_DATA_FORMAT_R8:
case TEXTURE_DATA_FORMAT_R8_SNORM:
case TEXTURE_DATA_FORMAT_RG8:
case TEXTURE_DATA_FORMAT_RG8_SNORM:
case TEXTURE_DATA_FORMAT_RGBA8:
case TEXTURE_DATA_FORMAT_RGBA8_SNORM:
case TEXTURE_DATA_FORMAT_RGB565:
case TEXTURE_DATA_FORMAT_RGBA4:
case TEXTURE_DATA_FORMAT_RGB5_A1:
case TEXTURE_DATA_FORMAT_RGB10_A2:
case TEXTURE_DATA_FORMAT_R16:
case TEXTURE_DATA_FORMAT_R16_SNORM:
case TEXTURE_DATA_FORMAT_RG16:
case TEXTURE_DATA_FORMAT_RG16_SNORM:
case TEXTURE_DATA_FORMAT_RGBA16:
case TEXTURE_DATA_FORMAT_RGBA16_SNORM:
case TEXTURE_DATA_FORMAT_R16F:
case TEXTURE_DATA_FORMAT_RG16F:
case TEXTURE_DATA_FORMAT_RGBA16F:
case TEXTURE_DATA_FORMAT_R11F_G11F_B10F:
case TEXTURE_DATA_FORMAT_R4:
case TEXTURE_DATA_FORMAT_RGB9_E5:
case TEXTURE_DATA_FORMAT_R32F:
case TEXTURE_DATA_FORMAT_RG32F:
case TEXTURE_DATA_FORMAT_RGBA32F:
case TEXTURE_DATA_FORMAT_RGB8_ETC2:
case TEXTURE_DATA_FORMAT_RGB8_PUNCHTHROUGH_ALPHA1:
case TEXTURE_DATA_FORMAT_RGBA8_ETC2_EAC:
case TEXTURE_DATA_FORMAT_R11_EAC:
case TEXTURE_DATA_FORMAT_SIGNED_R11_EAC:
case TEXTURE_DATA_FORMAT_RG11_EAC:
case TEXTURE_DATA_FORMAT_SIGNED_RG11_EAC:
return true;
default:
return false;
}
}
uint8_t
v3dX(get_internal_depth_type)(VkFormat format)
{
switch (format) {
case VK_FORMAT_D16_UNORM:
return V3D_INTERNAL_TYPE_DEPTH_16;
case VK_FORMAT_D32_SFLOAT:
return V3D_INTERNAL_TYPE_DEPTH_32F;
case VK_FORMAT_X8_D24_UNORM_PACK32:
case VK_FORMAT_D24_UNORM_S8_UINT:
return V3D_INTERNAL_TYPE_DEPTH_24;
default:
unreachable("Invalid depth format");
break;
}
}
void
v3dX(get_internal_type_bpp_for_image_aspects)(VkFormat vk_format,
VkImageAspectFlags aspect_mask,
uint32_t *internal_type,
uint32_t *internal_bpp)
{
const VkImageAspectFlags ds_aspects = VK_IMAGE_ASPECT_DEPTH_BIT |
VK_IMAGE_ASPECT_STENCIL_BIT;
/* We can't store depth/stencil pixel formats to a raster format, so
* so instead we load our depth/stencil aspects to a compatible color
* format.
*/
/* FIXME: pre-compute this at image creation time? */
if (aspect_mask & ds_aspects) {
switch (vk_format) {
case VK_FORMAT_D16_UNORM:
*internal_type = V3D_INTERNAL_TYPE_16UI;
*internal_bpp = V3D_INTERNAL_BPP_64;
break;
case VK_FORMAT_D32_SFLOAT:
*internal_type = V3D_INTERNAL_TYPE_32F;
*internal_bpp = V3D_INTERNAL_BPP_128;
break;
case VK_FORMAT_X8_D24_UNORM_PACK32:
case VK_FORMAT_D24_UNORM_S8_UINT:
/* Use RGBA8 format so we can relocate the X/S bits in the appropriate
* place to match Vulkan expectations. See the comment on the tile
* load command for more details.
*/
*internal_type = V3D_INTERNAL_TYPE_8UI;
*internal_bpp = V3D_INTERNAL_BPP_32;
break;
default:
assert(!"unsupported format");
break;
}
} else {
const struct v3dv_format *format = v3dX(get_format)(vk_format);
v3dX(get_internal_type_bpp_for_output_format)(format->rt_type,
internal_type, internal_bpp);
}
}