lib/rendercopy.h

   1 #ifndef RENDERCOPY_H
   2 #define RENDERCOPY_H
   3
   4 #include <stdlib.h>
   5 #include <sys/ioctl.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8 #include <assert.h>
   9 #include <fcntl.h>
  10 #include <inttypes.h>
  11 #include <errno.h>
  12 #include <sys/stat.h>
  13 #include <sys/time.h>
  14 #include <getopt.h>
  15 #include "drm.h"
  16 #include "i915_drm.h"
  17 #include "drmtest.h"
  18 #include "intel_bufmgr.h"
  19 #include "intel_batchbuffer.h"
  20 #include "intel_gpu_tools.h"
  21
  22 struct scratch_buf {
  23     drm_intel_bo *bo;
  24     uint32_t stride;
  25     uint32_t tiling;
  26     uint32_t *data;
  27     uint32_t *cpu_mapping;
  28     uint32_t size;
  29     unsigned num_tiles;
  30 };
  31
  32 static inline void emit_vertex_2s(struct intel_batchbuffer *batch,
  33                                   int16_t x, int16_t y)
  34 {
  35         OUT_BATCH((uint16_t)y << 16 | (uint16_t)x);
  36 }
  37
  38 static inline void emit_vertex(struct intel_batchbuffer *batch,
  39                                float f)
  40 {
  41         union { float f; uint32_t ui; } u;
  42         u.f = f;
  43         OUT_BATCH(u.ui);
  44 }
  45
  46 static inline void emit_vertex_normalized(struct intel_batchbuffer *batch,
  47                                           float f, float total)
  48 {
  49         union { float f; uint32_t ui; } u;
  50         u.f = f / total;
  51         OUT_BATCH(u.ui);
  52 }
  53
  54 static inline unsigned buf_width(struct scratch_buf *buf)
  55 {
  56         return buf->stride/sizeof(uint32_t);
  57 }
  58
  59 static inline unsigned buf_height(struct scratch_buf *buf)
  60 {
  61         return buf->size/buf->stride;
  62 }
  63
  64 typedef void (*render_copyfunc_t)(struct intel_batchbuffer *batch,
  65                                   struct scratch_buf *src, unsigned src_x, unsigned src_y,
  66                                   unsigned width, unsigned height,
  67                                   struct scratch_buf *dst, unsigned dst_x, unsigned dst_y);
  68
  69 render_copyfunc_t get_render_copyfunc(int devid);
  70
  71 void gen7_render_copyfunc(struct intel_batchbuffer *batch,
  72                           struct scratch_buf *src, unsigned src_x, unsigned src_y,
  73                           unsigned width, unsigned height,
  74                           struct scratch_buf *dst, unsigned dst_x, unsigned dst_y);
  75 void gen6_render_copyfunc(struct intel_batchbuffer *batch,
  76                           struct scratch_buf *src, unsigned src_x, unsigned src_y,
  77                           unsigned width, unsigned height,
  78                           struct scratch_buf *dst, unsigned dst_x, unsigned dst_y);
  79 void gen3_render_copyfunc(struct intel_batchbuffer *batch,
  80                           struct scratch_buf *src, unsigned src_x, unsigned src_y,
  81                           unsigned width, unsigned height,
  82                           struct scratch_buf *dst, unsigned dst_x, unsigned dst_y);
  83 void gen2_render_copyfunc(struct intel_batchbuffer *batch,
  84                           struct scratch_buf *src, unsigned src_x, unsigned src_y,
  85                           unsigned width, unsigned height,
  86                           struct scratch_buf *dst, unsigned dst_x, unsigned dst_y);
  87
  88 void scratch_buf_write_to_png(struct scratch_buf *buf, const char *filename);
  89
  90 #endif /* RENDERCOPY_H */