OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 104 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/vega/image.h b/src/gallium/state_trackers/vega/image.h
new file mode 100644
index 00000000000..78e17cffa64
--- /dev/null
+++ b/src/gallium/state_trackers/vega/image.h
@@ -0,0 +1,104 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef IMAGES_H
+#define IMAGES_H
+
+#include "vg_context.h"
+#include "pipe/p_state.h"
+
+struct pipe_texture;
+struct array;
+struct vg_context;
+struct pipe_surface;
+
+struct vg_image {
+   struct vg_object base;
+   VGImageFormat format;
+   VGint x, y;
+   VGint width, height;
+
+   struct vg_image *parent;
+
+   struct pipe_texture *texture;
+   struct pipe_sampler_state sampler;
+
+   struct array *children_array;
+};
+
+struct vg_image *image_create(VGImageFormat format,
+                              VGint width, VGint height);
+void image_destroy(struct vg_image *img);
+
+void image_clear(struct vg_image *img,
+                 VGint x, VGint y, VGint width, VGint height);
+
+void image_sub_data(struct vg_image *image,
+                    const void * data,
+                    VGint dataStride,
+                    VGImageFormat dataFormat,
+                    VGint x, VGint y,
+                    VGint width, VGint height);
+
+void image_get_sub_data(struct vg_image * image,
+                        void * data,
+                        VGint dataStride,
+                        VGImageFormat dataFormat,
+                        VGint x, VGint y,
+                        VGint width, VGint height);
+
+struct vg_image *image_child_image(struct vg_image *parent,
+                                   VGint x, VGint y,
+                                   VGint width, VGint height);
+
+void image_copy(struct vg_image *dst, VGint dx, VGint dy,
+                struct vg_image *src, VGint sx, VGint sy,
+                VGint width, VGint height,
+                VGboolean dither);
+
+void image_draw(struct vg_image *img);
+
+void image_set_pixels(VGint dx, VGint dy,
+                      struct vg_image *src, VGint sx, VGint sy,
+                      VGint width, VGint height);
+void image_get_pixels(struct vg_image *dst, VGint dx, VGint dy,
+                      VGint sx, VGint sy,
+                      VGint width, VGint height);
+
+VGint image_bind_samplers(struct vg_image *dst, struct pipe_sampler_state **samplers,
+                          struct pipe_texture **textures);
+
+VGboolean vg_image_overlaps(struct vg_image *dst,
+                            struct vg_image *src);
+
+VGint image_sampler_filter(struct vg_context *ctx);
+
+void vg_copy_surface(struct vg_context *ctx,
+                     struct pipe_surface *dst, VGint dx, VGint dy,
+                     struct pipe_surface *src, VGint sx, VGint sy,
+                     VGint width, VGint height);
+
+#endif