lib: extract rendercopy functions from gem_stress

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 72 insertions, 0 deletions

diff --git a/lib/rendercopy.h b/lib/rendercopy.h
new file mode 100644
index 00000000..7547ac42
--- /dev/null
+++ b/lib/rendercopy.h
@@ -0,0 +1,72 @@
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <getopt.h>
+#include "drm.h"
+#include "i915_drm.h"
+#include "drmtest.h"
+#include "intel_bufmgr.h"
+#include "intel_batchbuffer.h"
+#include "intel_gpu_tools.h"
+
+struct scratch_buf {
+    drm_intel_bo *bo;
+    uint32_t stride;
+    uint32_t tiling;
+    uint32_t *data;
+    uint32_t *cpu_mapping;
+    uint32_t size;
+    unsigned num_tiles;
+};
+
+static inline void emit_vertex_2s(struct intel_batchbuffer *batch,
+				  int16_t x, int16_t y)
+{
+	OUT_BATCH((uint16_t)y << 16 | (uint16_t)x);
+}
+
+static inline void emit_vertex(struct intel_batchbuffer *batch,
+			       float f)
+{
+	union { float f; uint32_t ui; } u;
+	u.f = f;
+	OUT_BATCH(u.ui);
+}
+
+static inline void emit_vertex_normalized(struct intel_batchbuffer *batch,
+					  float f, float total)
+{
+	union { float f; uint32_t ui; } u;
+	u.f = f / total;
+	OUT_BATCH(u.ui);
+}
+
+static inline unsigned buf_width(struct scratch_buf *buf)
+{
+	return buf->stride/sizeof(uint32_t);
+}
+
+static inline unsigned buf_height(struct scratch_buf *buf)
+{
+	return buf->size/buf->stride;
+}
+
+void gen6_render_copyfunc(struct intel_batchbuffer *batch,
+			  struct scratch_buf *src, unsigned src_x, unsigned src_y,
+			  unsigned width, unsigned height,
+			  struct scratch_buf *dst, unsigned dst_x, unsigned dst_y);
+void gen3_render_copyfunc(struct intel_batchbuffer *batch,
+			  struct scratch_buf *src, unsigned src_x, unsigned src_y,
+			  unsigned width, unsigned height,
+			  struct scratch_buf *dst, unsigned dst_x, unsigned dst_y);
+void gen2_render_copyfunc(struct intel_batchbuffer *batch,
+			  struct scratch_buf *src, unsigned src_x, unsigned src_y,
+			  unsigned width, unsigned height,
+			  struct scratch_buf *dst, unsigned dst_x, unsigned dst_y);