hasvk: add initial video decode support for h264.

This just adds the files with the programming info, it doesn't
enable the extensions etc

[dancingmirrors: A few forward port fixes.]

src/intel/vulkan_hasvk/anv_private.h

@@ -88,6 +88,7 @@
 #include "vk_queue.h"
 #include "vk_log.h"
 #include "vk_ycbcr_conversion.h"
+#include "vk_video.h"
 
 /* Pre-declarations needed for WSI entrypoints */
 struct wl_surface;
@@ -2635,6 +2636,11 @@ struct anv_cmd_buffer {
     *
     */
    struct u_trace                               trace;
+
+   struct {
+      struct anv_video_session *vid;
+      struct anv_video_session_params *params;
+   } video;
 };
 
 extern const struct vk_command_buffer_ops anv_cmd_buffer_ops;
@@ -3700,9 +3706,35 @@ static inline uint32_t khr_perf_query_preamble_offset(const struct anv_query_poo
    return pool->pass_size * pass + 8;
 }
 
+struct anv_vid_mem {
+   struct anv_device_memory *mem;
+   VkDeviceSize       offset;
+   VkDeviceSize       size;
+};
+
+#define ANV_VIDEO_MEM_REQS_H264 4
 #define ANV_MB_WIDTH 16
 #define ANV_MB_HEIGHT 16
 
+enum {
+   ANV_VID_MEM_H264_INTRA_ROW_STORE,
+   ANV_VID_MEM_H264_DEBLOCK_FILTER_ROW_STORE,
+   ANV_VID_MEM_H264_BSD_MPC_ROW_SCRATCH,
+   ANV_VID_MEM_H264_MPR_ROW_SCRATCH,
+   ANV_VID_MEM_H264_MAX,
+};
+
+struct anv_video_session {
+   struct vk_video_session vk;
+
+   /* the decoder needs some private memory allocations */
+   struct anv_vid_mem vid_mem[ANV_VID_MEM_H264_MAX];
+};
+
+struct anv_video_session_params {
+   struct vk_video_session_parameters vk;
+};
+
 void
 anv_dump_pipe_bits(enum anv_pipe_bits bits);
 
@@ -3832,6 +3864,8 @@ VK_DEFINE_NONDISP_HANDLE_CASTS(anv_sampler, base, VkSampler,
 VK_DEFINE_NONDISP_HANDLE_CASTS(anv_performance_configuration_intel, base,
                                VkPerformanceConfigurationINTEL,
                                VK_OBJECT_TYPE_PERFORMANCE_CONFIGURATION_INTEL)
+VK_DEFINE_NONDISP_HANDLE_CASTS(anv_video_session, vk.base, VkVideoSessionKHR, VK_OBJECT_TYPE_VIDEO_SESSION_KHR)
+VK_DEFINE_NONDISP_HANDLE_CASTS(anv_video_session_params, vk.base, VkVideoSessionParametersKHR, VK_OBJECT_TYPE_VIDEO_SESSION_PARAMETERS_KHR)
 
 #define anv_genX(devinfo, thing) ({             \
    __typeof(&gfx7_##thing) genX_thing;          \