+#include <xorg/fourcc.h>
+#include <vl_winsys.h>
+#include <pipe/p_screen.h>
+#include <pipe/p_video_context.h>
+#include <pipe/p_state.h>
+#include <util/u_memory.h>
+#include <util/u_math.h>
+#include "xvmc_private.h"
+
+#define FOURCC_RGB 0x0000003
+
+static enum pipe_format XvIDToPipe(int xvimage_id)
+{
+ switch (xvimage_id) {
+ case FOURCC_RGB:
+ return PIPE_FORMAT_B8G8R8X8_UNORM;
+ default:
+ XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized Xv image ID 0x%08X.\n", xvimage_id);
+ return PIPE_FORMAT_NONE;
+ }
+}
+
+static int PipeToComponentOrder(enum pipe_format format, char *component_order)
+{
+ assert(component_order);
+
+ switch (format) {
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
+ return 0;
+ default:
+ XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized PIPE_FORMAT 0x%08X.\n", format);
+ component_order[0] = 0;
+ component_order[1] = 0;
+ component_order[2] = 0;
+ component_order[3] = 0;
+ }
+
+ return 0;
+}
+
+static Status Validate(Display *dpy, XvPortID port, int surface_type_id, int xvimage_id)
+{
+ XvImageFormatValues *subpictures;
+ int num_subpics;
+ unsigned int i;
+
+ subpictures = XvMCListSubpictureTypes(dpy, port, surface_type_id, &num_subpics);
+ if (num_subpics < 1) {
+ if (subpictures)
+ XFree(subpictures);
+ return BadMatch;
+ }
+ if (!subpictures)
+ return BadAlloc;
+
+ for (i = 0; i < num_subpics; ++i) {
+ if (subpictures[i].id == xvimage_id) {
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Found requested subpicture format.\n" \
+ "[XvMC] port=%u\n" \
+ "[XvMC] surface id=0x%08X\n" \
+ "[XvMC] image id=0x%08X\n" \
+ "[XvMC] type=%08X\n" \
+ "[XvMC] byte order=%08X\n" \
+ "[XvMC] bits per pixel=%u\n" \
+ "[XvMC] format=%08X\n" \
+ "[XvMC] num planes=%d\n",
+ port, surface_type_id, xvimage_id, subpictures[i].type, subpictures[i].byte_order,
+ subpictures[i].bits_per_pixel, subpictures[i].format, subpictures[i].num_planes);
+ if (subpictures[i].type == XvRGB) {
+ XVMC_MSG(XVMC_TRACE, "[XvMC] depth=%d\n" \
+ "[XvMC] red mask=0x%08X\n" \
+ "[XvMC] green mask=0x%08X\n" \
+ "[XvMC] blue mask=0x%08X\n",
+ subpictures[i].depth, subpictures[i].red_mask, subpictures[i].green_mask, subpictures[i].blue_mask);
+ }
+ else if (subpictures[i].type == XvYUV) {
+ XVMC_MSG(XVMC_TRACE, "[XvMC] y sample bits=0x%08X\n" \
+ "[XvMC] u sample bits=0x%08X\n" \
+ "[XvMC] v sample bits=0x%08X\n" \
+ "[XvMC] horz y period=%u\n" \
+ "[XvMC] horz u period=%u\n" \
+ "[XvMC] horz v period=%u\n" \
+ "[XvMC] vert y period=%u\n" \
+ "[XvMC] vert u period=%u\n" \
+ "[XvMC] vert v period=%u\n",
+ subpictures[i].y_sample_bits, subpictures[i].u_sample_bits, subpictures[i].v_sample_bits,
+ subpictures[i].horz_y_period, subpictures[i].horz_u_period, subpictures[i].horz_v_period,
+ subpictures[i].vert_y_period, subpictures[i].vert_u_period, subpictures[i].vert_v_period);
+ }
+ break;
+ }
+ }
+
+ XFree(subpictures);
+
+ return i < num_subpics ? Success : BadMatch;
+}