#include "vk_format.h"
#include "sid.h"
-#include "r600d_common.h"
+
+#include "vk_util.h"
#include "util/u_half.h"
#include "util/format_srgb.h"
}
}
-static bool radv_is_buffer_format_supported(VkFormat format)
+static bool radv_is_buffer_format_supported(VkFormat format, bool *scaled)
{
const struct vk_format_description *desc = vk_format_description(format);
unsigned data_format, num_format;
num_format = radv_translate_buffer_numformat(desc,
vk_format_get_first_non_void_channel(format));
+ *scaled = (num_format == V_008F0C_BUF_NUM_FORMAT_SSCALED) || (num_format == V_008F0C_BUF_NUM_FORMAT_USCALED);
return data_format != V_008F0C_BUF_DATA_FORMAT_INVALID &&
num_format != ~0;
}
static bool radv_is_zs_format_supported(VkFormat format)
{
- return radv_translate_dbformat(format) != V_028040_Z_INVALID;
+ return radv_translate_dbformat(format) != V_028040_Z_INVALID || format == VK_FORMAT_S8_UINT;
}
static void
VkFormatFeatureFlags linear = 0, tiled = 0, buffer = 0;
const struct vk_format_description *desc = vk_format_description(format);
bool blendable;
+ bool scaled = false;
if (!desc) {
out_properties->linearTilingFeatures = linear;
out_properties->optimalTilingFeatures = tiled;
linear |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
}
- if (radv_is_buffer_format_supported(format)) {
- buffer |= VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT |
- VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT |
- VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
+ if (radv_is_buffer_format_supported(format, &scaled)) {
+ buffer |= VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT;
+ if (!scaled)
+ buffer |= VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT |
+ VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
}
if (vk_format_is_depth_or_stencil(format)) {
VK_FORMAT_FEATURE_BLIT_DST_BIT;
tiled |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
+
+ /* GFX9 doesn't support linear depth surfaces */
+ if (physical_device->rad_info.chip_class >= GFX9)
+ linear = 0;
}
} else {
bool linear_sampling;
tiled |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
}
}
- if (util_is_power_of_two(vk_format_get_blocksize(format))) {
+ if (tiled && util_is_power_of_two(vk_format_get_blocksize(format)) && !scaled) {
tiled |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
}
}
- if (util_is_power_of_two(vk_format_get_blocksize(format))) {
+ if (linear && util_is_power_of_two(vk_format_get_blocksize(format)) && !scaled) {
linear |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
}
case VK_FORMAT_D16_UNORM:
case VK_FORMAT_D16_UNORM_S8_UINT:
return V_028040_Z_16;
- case VK_FORMAT_X8_D24_UNORM_PACK32:
- case VK_FORMAT_D24_UNORM_S8_UINT:
- return V_028040_Z_24; /* deprecated on SI */
case VK_FORMAT_D32_SFLOAT:
case VK_FORMAT_D32_SFLOAT_S8_UINT:
return V_028040_Z_32_FLOAT;
#define HAS_SWIZZLE(chan,swz) (desc->swizzle[chan] == VK_SWIZZLE_##swz)
if (format == VK_FORMAT_B10G11R11_UFLOAT_PACK32)
- return V_0280A0_SWAP_STD;
+ return V_028C70_SWAP_STD;
if (desc->layout != VK_FORMAT_LAYOUT_PLAIN)
return ~0U;
switch (desc->nr_channels) {
case 1:
if (HAS_SWIZZLE(0,X))
- return V_0280A0_SWAP_STD; /* X___ */
+ return V_028C70_SWAP_STD; /* X___ */
else if (HAS_SWIZZLE(3,X))
- return V_0280A0_SWAP_ALT_REV; /* ___X */
+ return V_028C70_SWAP_ALT_REV; /* ___X */
break;
case 2:
if ((HAS_SWIZZLE(0,X) && HAS_SWIZZLE(1,Y)) ||
(HAS_SWIZZLE(0,X) && HAS_SWIZZLE(1,NONE)) ||
(HAS_SWIZZLE(0,NONE) && HAS_SWIZZLE(1,Y)))
- return V_0280A0_SWAP_STD; /* XY__ */
+ return V_028C70_SWAP_STD; /* XY__ */
else if ((HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(1,X)) ||
(HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(1,NONE)) ||
(HAS_SWIZZLE(0,NONE) && HAS_SWIZZLE(1,X)))
/* YX__ */
- return (do_endian_swap ? V_0280A0_SWAP_STD : V_0280A0_SWAP_STD_REV);
+ return (do_endian_swap ? V_028C70_SWAP_STD : V_028C70_SWAP_STD_REV);
else if (HAS_SWIZZLE(0,X) && HAS_SWIZZLE(3,Y))
- return V_0280A0_SWAP_ALT; /* X__Y */
+ return V_028C70_SWAP_ALT; /* X__Y */
else if (HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(3,X))
- return V_0280A0_SWAP_ALT_REV; /* Y__X */
+ return V_028C70_SWAP_ALT_REV; /* Y__X */
break;
case 3:
if (HAS_SWIZZLE(0,X))
- return (do_endian_swap ? V_0280A0_SWAP_STD_REV : V_0280A0_SWAP_STD);
+ return (do_endian_swap ? V_028C70_SWAP_STD_REV : V_028C70_SWAP_STD);
else if (HAS_SWIZZLE(0,Z))
- return V_0280A0_SWAP_STD_REV; /* ZYX */
+ return V_028C70_SWAP_STD_REV; /* ZYX */
break;
case 4:
/* check the middle channels, the 1st and 4th channel can be NONE */
if (HAS_SWIZZLE(1,Y) && HAS_SWIZZLE(2,Z)) {
- return V_0280A0_SWAP_STD; /* XYZW */
+ return V_028C70_SWAP_STD; /* XYZW */
} else if (HAS_SWIZZLE(1,Z) && HAS_SWIZZLE(2,Y)) {
- return V_0280A0_SWAP_STD_REV; /* WZYX */
+ return V_028C70_SWAP_STD_REV; /* WZYX */
} else if (HAS_SWIZZLE(1,Y) && HAS_SWIZZLE(2,X)) {
- return V_0280A0_SWAP_ALT; /* ZYXW */
+ return V_028C70_SWAP_ALT; /* ZYXW */
} else if (HAS_SWIZZLE(1,Z) && HAS_SWIZZLE(2,W)) {
/* YZWX */
if (desc->is_array)
- return V_0280A0_SWAP_ALT_REV;
+ return V_028C70_SWAP_ALT_REV;
else
- return (do_endian_swap ? V_0280A0_SWAP_ALT : V_0280A0_SWAP_ALT_REV);
+ return (do_endian_swap ? V_028C70_SWAP_ALT : V_028C70_SWAP_ALT_REV);
}
break;
}
clear_vals[0] = value->uint32[0] & 0xff;
clear_vals[1] = 0;
break;
+ case VK_FORMAT_R8_SINT:
+ clear_vals[0] = value->int32[0] & 0xff;
+ clear_vals[1] = 0;
+ break;
case VK_FORMAT_R16_UINT:
clear_vals[0] = value->uint32[0] & 0xffff;
clear_vals[1] = 0;
clear_vals[0] |= (value->uint32[1] & 0xff) << 8;
clear_vals[1] = 0;
break;
+ case VK_FORMAT_R8G8_SINT:
+ clear_vals[0] = value->int32[0] & 0xff;
+ clear_vals[0] |= (value->int32[1] & 0xff) << 8;
+ clear_vals[1] = 0;
+ break;
case VK_FORMAT_R8G8B8A8_UINT:
clear_vals[0] = value->uint32[0] & 0xff;
clear_vals[0] |= (value->uint32[1] & 0xff) << 8;
clear_vals[0] |= (value->uint32[3] & 0xff) << 24;
clear_vals[1] = 0;
break;
+ case VK_FORMAT_R8G8B8A8_SINT:
+ clear_vals[0] = value->int32[0] & 0xff;
+ clear_vals[0] |= (value->int32[1] & 0xff) << 8;
+ clear_vals[0] |= (value->int32[2] & 0xff) << 16;
+ clear_vals[0] |= (value->int32[3] & 0xff) << 24;
+ clear_vals[1] = 0;
+ break;
case VK_FORMAT_A8B8G8R8_UINT_PACK32:
clear_vals[0] = value->uint32[0] & 0xff;
clear_vals[0] |= (value->uint32[1] & 0xff) << 8;
clear_vals[1] = ((uint16_t)util_iround(CLAMP(value->float32[2], 0.0f, 1.0f) * 0xffff)) & 0xffff;
clear_vals[1] |= ((uint16_t)util_iround(CLAMP(value->float32[3], 0.0f, 1.0f) * 0xffff)) << 16;
break;
+ case VK_FORMAT_R16G16B16A16_SNORM:
+ clear_vals[0] = ((uint16_t)util_iround(CLAMP(value->float32[0], -1.0f, 1.0f) * 0x7fff)) & 0xffff;
+ clear_vals[0] |= ((uint16_t)util_iround(CLAMP(value->float32[1], -1.0f, 1.0f) * 0x7fff)) << 16;
+ clear_vals[1] = ((uint16_t)util_iround(CLAMP(value->float32[2], -1.0f, 1.0f) * 0x7fff)) & 0xffff;
+ clear_vals[1] |= ((uint16_t)util_iround(CLAMP(value->float32[3], -1.0f, 1.0f) * 0x7fff)) << 16;
+ break;
case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
clear_vals[0] = ((uint16_t)util_iround(CLAMP(value->float32[0], 0.0f, 1.0f) * 0x3ff)) & 0x3ff;
clear_vals[0] |= (((uint16_t)util_iround(CLAMP(value->float32[1], 0.0f, 1.0f) * 0x3ff)) & 0x3ff) << 10;
clear_vals[0] = float3_to_r11g11b10f(value->float32);
clear_vals[1] = 0;
break;
+ case VK_FORMAT_R32G32B32A32_SFLOAT:
+ if (value->float32[0] != value->float32[1] ||
+ value->float32[0] != value->float32[2])
+ return false;
+ clear_vals[0] = fui(value->float32[0]);
+ clear_vals[1] = fui(value->float32[3]);
+ break;
+ case VK_FORMAT_R32G32B32A32_UINT:
+ if (value->uint32[0] != value->uint32[1] ||
+ value->uint32[0] != value->uint32[2])
+ return false;
+ clear_vals[0] = value->uint32[0];
+ clear_vals[1] = value->uint32[3];
+ break;
+ case VK_FORMAT_R32G32B32A32_SINT:
+ if (value->int32[0] != value->int32[1] ||
+ value->int32[0] != value->int32[2])
+ return false;
+ clear_vals[0] = value->int32[0];
+ clear_vals[1] = value->int32[3];
+ break;
default:
fprintf(stderr, "failed to fast clear %d\n", format);
return false;
&pFormatProperties->formatProperties);
}
-VkResult radv_GetPhysicalDeviceImageFormatProperties(
- VkPhysicalDevice physicalDevice,
- VkFormat format,
- VkImageType type,
- VkImageTiling tiling,
- VkImageUsageFlags usage,
- VkImageCreateFlags createFlags,
- VkImageFormatProperties* pImageFormatProperties)
+static VkResult radv_get_image_format_properties(struct radv_physical_device *physical_device,
+ const VkPhysicalDeviceImageFormatInfo2KHR *info,
+ VkImageFormatProperties *pImageFormatProperties)
+
{
- RADV_FROM_HANDLE(radv_physical_device, physical_device, physicalDevice);
VkFormatProperties format_props;
VkFormatFeatureFlags format_feature_flags;
VkExtent3D maxExtent;
uint32_t maxArraySize;
VkSampleCountFlags sampleCounts = VK_SAMPLE_COUNT_1_BIT;
- radv_physical_device_get_format_properties(physical_device, format,
+ radv_physical_device_get_format_properties(physical_device, info->format,
&format_props);
- if (tiling == VK_IMAGE_TILING_LINEAR) {
+ if (info->tiling == VK_IMAGE_TILING_LINEAR) {
format_feature_flags = format_props.linearTilingFeatures;
- } else if (tiling == VK_IMAGE_TILING_OPTIMAL) {
+ } else if (info->tiling == VK_IMAGE_TILING_OPTIMAL) {
format_feature_flags = format_props.optimalTilingFeatures;
} else {
unreachable("bad VkImageTiling");
if (format_feature_flags == 0)
goto unsupported;
- switch (type) {
+ switch (info->type) {
default:
unreachable("bad vkimage type\n");
case VK_IMAGE_TYPE_1D:
break;
}
- if (tiling == VK_IMAGE_TILING_OPTIMAL &&
- type == VK_IMAGE_TYPE_2D &&
+ if (info->tiling == VK_IMAGE_TILING_OPTIMAL &&
+ info->type == VK_IMAGE_TYPE_2D &&
(format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) &&
- !(createFlags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
- !(usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
+ !(info->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
+ !(info->usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
sampleCounts |= VK_SAMPLE_COUNT_2_BIT | VK_SAMPLE_COUNT_4_BIT | VK_SAMPLE_COUNT_8_BIT;
}
- if (usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
+ if (info->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
if (!(format_feature_flags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)) {
goto unsupported;
}
}
- if (usage & VK_IMAGE_USAGE_STORAGE_BIT) {
+ if (info->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
if (!(format_feature_flags & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)) {
goto unsupported;
}
}
- if (usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
+ if (info->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
if (!(format_feature_flags & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
goto unsupported;
}
}
- if (usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
+ if (info->usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
if (!(format_feature_flags & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
goto unsupported;
}
return VK_ERROR_FORMAT_NOT_SUPPORTED;
}
+VkResult radv_GetPhysicalDeviceImageFormatProperties(
+ VkPhysicalDevice physicalDevice,
+ VkFormat format,
+ VkImageType type,
+ VkImageTiling tiling,
+ VkImageUsageFlags usage,
+ VkImageCreateFlags createFlags,
+ VkImageFormatProperties* pImageFormatProperties)
+{
+ RADV_FROM_HANDLE(radv_physical_device, physical_device, physicalDevice);
+
+ const VkPhysicalDeviceImageFormatInfo2KHR info = {
+ .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2_KHR,
+ .pNext = NULL,
+ .format = format,
+ .type = type,
+ .tiling = tiling,
+ .usage = usage,
+ .flags = createFlags,
+ };
+
+ return radv_get_image_format_properties(physical_device, &info,
+ pImageFormatProperties);
+}
+
+static void
+get_external_image_format_properties(const VkPhysicalDeviceImageFormatInfo2KHR *pImageFormatInfo,
+ VkExternalMemoryPropertiesKHR *external_properties)
+{
+ VkExternalMemoryFeatureFlagBitsKHR flags = 0;
+ VkExternalMemoryHandleTypeFlagsKHR export_flags = 0;
+ VkExternalMemoryHandleTypeFlagsKHR compat_flags = 0;
+ switch (pImageFormatInfo->type) {
+ case VK_IMAGE_TYPE_2D:
+ flags = VK_EXTERNAL_MEMORY_FEATURE_DEDICATED_ONLY_BIT_KHR|VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT_KHR|VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT_KHR;
+ compat_flags = export_flags = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHR |
+ VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT;
+ break;
+ default:
+ break;
+ }
+
+ *external_properties = (VkExternalMemoryPropertiesKHR) {
+ .externalMemoryFeatures = flags,
+ .exportFromImportedHandleTypes = export_flags,
+ .compatibleHandleTypes = compat_flags,
+ };
+}
+
VkResult radv_GetPhysicalDeviceImageFormatProperties2KHR(
VkPhysicalDevice physicalDevice,
- const VkPhysicalDeviceImageFormatInfo2KHR* pImageFormatInfo,
- VkImageFormatProperties2KHR *pImageFormatProperties)
+ const VkPhysicalDeviceImageFormatInfo2KHR *base_info,
+ VkImageFormatProperties2KHR *base_props)
{
- return radv_GetPhysicalDeviceImageFormatProperties(physicalDevice,
- pImageFormatInfo->format,
- pImageFormatInfo->type,
- pImageFormatInfo->tiling,
- pImageFormatInfo->usage,
- pImageFormatInfo->flags,
- &pImageFormatProperties->imageFormatProperties);
+ RADV_FROM_HANDLE(radv_physical_device, physical_device, physicalDevice);
+ const VkPhysicalDeviceExternalImageFormatInfoKHR *external_info = NULL;
+ VkExternalImageFormatPropertiesKHR *external_props = NULL;
+ VkResult result;
+
+ result = radv_get_image_format_properties(physical_device, base_info,
+ &base_props->imageFormatProperties);
+ if (result != VK_SUCCESS)
+ return result;
+
+ /* Extract input structs */
+ vk_foreach_struct_const(s, base_info->pNext) {
+ switch (s->sType) {
+ case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO_KHR:
+ external_info = (const void *) s;
+ break;
+ default:
+ break;
+ }
+ }
+
+ /* Extract output structs */
+ vk_foreach_struct(s, base_props->pNext) {
+ switch (s->sType) {
+ case VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES_KHR:
+ external_props = (void *) s;
+ break;
+ default:
+ break;
+ }
+ }
+
+ /* From the Vulkan 1.0.42 spec:
+ *
+ * If handleType is 0, vkGetPhysicalDeviceImageFormatProperties2KHR will
+ * behave as if VkPhysicalDeviceExternalImageFormatInfoKHR was not
+ * present and VkExternalImageFormatPropertiesKHR will be ignored.
+ */
+ if (external_info && external_info->handleType != 0) {
+ switch (external_info->handleType) {
+ case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHR:
+ case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT:
+ get_external_image_format_properties(base_info, &external_props->externalMemoryProperties);
+ break;
+ default:
+ /* From the Vulkan 1.0.42 spec:
+ *
+ * If handleType is not compatible with the [parameters] specified
+ * in VkPhysicalDeviceImageFormatInfo2KHR, then
+ * vkGetPhysicalDeviceImageFormatProperties2KHR returns
+ * VK_ERROR_FORMAT_NOT_SUPPORTED.
+ */
+ result = vk_errorf(VK_ERROR_FORMAT_NOT_SUPPORTED,
+ "unsupported VkExternalMemoryTypeFlagBitsKHR 0x%x",
+ external_info->handleType);
+ goto fail;
+ }
+ }
+
+ return VK_SUCCESS;
+
+fail:
+ if (result == VK_ERROR_FORMAT_NOT_SUPPORTED) {
+ /* From the Vulkan 1.0.42 spec:
+ *
+ * If the combination of parameters to
+ * vkGetPhysicalDeviceImageFormatProperties2KHR is not supported by
+ * the implementation for use in vkCreateImage, then all members of
+ * imageFormatProperties will be filled with zero.
+ */
+ base_props->imageFormatProperties = (VkImageFormatProperties) {0};
+ }
+
+ return result;
}
void radv_GetPhysicalDeviceSparseImageFormatProperties(
/* Sparse images are not yet supported. */
*pPropertyCount = 0;
}
+
+void radv_GetPhysicalDeviceExternalBufferPropertiesKHR(
+ VkPhysicalDevice physicalDevice,
+ const VkPhysicalDeviceExternalBufferInfoKHR *pExternalBufferInfo,
+ VkExternalBufferPropertiesKHR *pExternalBufferProperties)
+{
+ VkExternalMemoryFeatureFlagBitsKHR flags = 0;
+ VkExternalMemoryHandleTypeFlagsKHR export_flags = 0;
+ VkExternalMemoryHandleTypeFlagsKHR compat_flags = 0;
+ switch(pExternalBufferInfo->handleType) {
+ case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHR:
+ case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT:
+ flags = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT_KHR |
+ VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT_KHR;
+ compat_flags = export_flags = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHR |
+ VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT;
+ break;
+ default:
+ break;
+ }
+ pExternalBufferProperties->externalMemoryProperties = (VkExternalMemoryPropertiesKHR) {
+ .externalMemoryFeatures = flags,
+ .exportFromImportedHandleTypes = export_flags,
+ .compatibleHandleTypes = compat_flags,
+ };
+}
+
+/* DCC channel type categories within which formats can be reinterpreted
+ * while keeping the same DCC encoding. The swizzle must also match. */
+enum dcc_channel_type {
+ dcc_channel_float32,
+ dcc_channel_uint32,
+ dcc_channel_sint32,
+ dcc_channel_float16,
+ dcc_channel_uint16,
+ dcc_channel_sint16,
+ dcc_channel_uint_10_10_10_2,
+ dcc_channel_uint8,
+ dcc_channel_sint8,
+ dcc_channel_incompatible,
+};
+
+/* Return the type of DCC encoding. */
+static enum dcc_channel_type
+radv_get_dcc_channel_type(const struct vk_format_description *desc)
+{
+ int i;
+
+ /* Find the first non-void channel. */
+ for (i = 0; i < desc->nr_channels; i++)
+ if (desc->channel[i].type != VK_FORMAT_TYPE_VOID)
+ break;
+ if (i == desc->nr_channels)
+ return dcc_channel_incompatible;
+
+ switch (desc->channel[i].size) {
+ case 32:
+ if (desc->channel[i].type == VK_FORMAT_TYPE_FLOAT)
+ return dcc_channel_float32;
+ if (desc->channel[i].type == VK_FORMAT_TYPE_UNSIGNED)
+ return dcc_channel_uint32;
+ return dcc_channel_sint32;
+ case 16:
+ if (desc->channel[i].type == VK_FORMAT_TYPE_FLOAT)
+ return dcc_channel_float16;
+ if (desc->channel[i].type == VK_FORMAT_TYPE_UNSIGNED)
+ return dcc_channel_uint16;
+ return dcc_channel_sint16;
+ case 10:
+ return dcc_channel_uint_10_10_10_2;
+ case 8:
+ if (desc->channel[i].type == VK_FORMAT_TYPE_UNSIGNED)
+ return dcc_channel_uint8;
+ return dcc_channel_sint8;
+ default:
+ return dcc_channel_incompatible;
+ }
+}
+
+/* Return if it's allowed to reinterpret one format as another with DCC enabled. */
+bool radv_dcc_formats_compatible(VkFormat format1,
+ VkFormat format2)
+{
+ const struct vk_format_description *desc1, *desc2;
+ enum dcc_channel_type type1, type2;
+ int i;
+
+ if (format1 == format2)
+ return true;
+
+ desc1 = vk_format_description(format1);
+ desc2 = vk_format_description(format2);
+
+ if (desc1->nr_channels != desc2->nr_channels)
+ return false;
+
+ /* Swizzles must be the same. */
+ for (i = 0; i < desc1->nr_channels; i++)
+ if (desc1->swizzle[i] <= VK_SWIZZLE_W &&
+ desc2->swizzle[i] <= VK_SWIZZLE_W &&
+ desc1->swizzle[i] != desc2->swizzle[i])
+ return false;
+
+ type1 = radv_get_dcc_channel_type(desc1);
+ type2 = radv_get_dcc_channel_type(desc2);
+
+ return type1 != dcc_channel_incompatible &&
+ type2 != dcc_channel_incompatible &&
+ type1 == type2;
+}
+
projects / mesa.git / blobdiff