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hasvk: Simplify get_h264_video_session_mem_reqs.

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Based on ANV code but with the same alignment of 64.

Assisted-by: Claude
This commit is contained in:
dancingmirrors authored and elwrcl committed 2026-07-21 22:25:24 +03:00
1 parent 3d258cbaf7
commit 31fd4c3ded
1 file changed
+33 -32
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src/intel/vulkan_hasvk/anv_video.c
+33 -32
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@@ -219,6 +219,30 @@ anv_GetPhysicalDeviceVideoFormatPropertiesKHR(VkPhysicalDevice physicalDevice,
return VK_SUCCESS;
}
static uint64_t
get_h264_video_mem_size(struct anv_video_session *vid, uint32_t mem_idx)
{
uint32_t width_in_mb =
align(vid->vk.max_coded.width, ANV_MB_WIDTH) / ANV_MB_WIDTH;
switch (mem_idx) {
case ANV_VID_MEM_H264_INTRA_ROW_STORE:
/* intra row store is width in macroblocks * 64 */
return width_in_mb * 64;
case ANV_VID_MEM_H264_DEBLOCK_FILTER_ROW_STORE:
/* deblocking filter row store is width in macroblocks * 64 * 4 */
return width_in_mb * 64 * 4;
case ANV_VID_MEM_H264_BSD_MPC_ROW_SCRATCH:
/* bsd mpc row scratch is width in macroblocks * 64 * 2 */
return width_in_mb * 64 * 2;
case ANV_VID_MEM_H264_MPR_ROW_SCRATCH:
/* mpr row scratch is width in macroblocks * 64 * 2 */
return width_in_mb * 64 * 2;
default:
UNREACHABLE("unknown memory");
}
}
static void
get_h264_video_session_mem_reqs(struct anv_video_session *vid,
VkVideoSessionMemoryRequirementsKHR *mem_reqs,
@@ -230,39 +254,16 @@ get_h264_video_session_mem_reqs(struct anv_video_session *vid,
mem_reqs,
pVideoSessionMemoryRequirementsCount);
uint32_t width_in_mb =
align(vid->vk.max_coded.width, ANV_MB_WIDTH) / ANV_MB_WIDTH;
for (unsigned i = 0; i < ANV_VID_MEM_H264_MAX; i++) {
uint32_t bind_index = ANV_VID_MEM_H264_INTRA_ROW_STORE + i;
uint64_t size = get_h264_video_mem_size(vid, i);
/* intra row store is width in macroblocks * 64 */
vk_outarray_append_typed(VkVideoSessionMemoryRequirementsKHR, &out, p) {
p->memoryBindIndex = ANV_VID_MEM_H264_INTRA_ROW_STORE;
p->memoryRequirements.size = width_in_mb * 64;
p->memoryRequirements.alignment = 64;
p->memoryRequirements.memoryTypeBits = memory_types;
}
/* deblocking filter row store is width in macroblocks * 64 * 4 */
vk_outarray_append_typed(VkVideoSessionMemoryRequirementsKHR, &out, p) {
p->memoryBindIndex = ANV_VID_MEM_H264_DEBLOCK_FILTER_ROW_STORE;
p->memoryRequirements.size = width_in_mb * 64 * 4;
p->memoryRequirements.alignment = 64;
p->memoryRequirements.memoryTypeBits = memory_types;
}
/* bsd mpc row scratch is width in macroblocks * 64 * 2 */
vk_outarray_append_typed(VkVideoSessionMemoryRequirementsKHR, &out, p) {
p->memoryBindIndex = ANV_VID_MEM_H264_BSD_MPC_ROW_SCRATCH;
p->memoryRequirements.size = width_in_mb * 64 * 2;
p->memoryRequirements.alignment = 64;
p->memoryRequirements.memoryTypeBits = memory_types;
}
/* mpr row scratch is width in macroblocks * 64 * 2 */
vk_outarray_append_typed(VkVideoSessionMemoryRequirementsKHR, &out, p) {
p->memoryBindIndex = ANV_VID_MEM_H264_MPR_ROW_SCRATCH;
p->memoryRequirements.size = width_in_mb * 64 * 2;
p->memoryRequirements.alignment = 64;
p->memoryRequirements.memoryTypeBits = memory_types;
vk_outarray_append_typed(VkVideoSessionMemoryRequirementsKHR, &out, p) {
p->memoryBindIndex = bind_index;
p->memoryRequirements.size = size;
p->memoryRequirements.alignment = 64;
p->memoryRequirements.memoryTypeBits = memory_types;
}
}
}