OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 109 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/vega/vg_state.h b/src/gallium/state_trackers/vega/vg_state.h
new file mode 100644
index 00000000000..ed90689f917
--- /dev/null
+++ b/src/gallium/state_trackers/vega/vg_state.h
@@ -0,0 +1,109 @@
+/**************************************************************************
+ *
+ * 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 VG_STATE_H
+#define VG_STATE_H
+
+#include "VG/openvg.h"
+
+#include "api_consts.h"
+#include "matrix.h"
+
+struct vg_value
+{
+   VGfloat f;
+   VGint   i;
+};
+
+struct vg_state {
+   /* Mode settings */
+   VGMatrixMode matrix_mode;
+   VGFillRule fill_rule;
+   VGImageQuality image_quality;
+   VGRenderingQuality rendering_quality;
+   VGBlendMode blend_mode;
+   VGImageMode image_mode;
+
+   /* Scissoring rectangles */
+   struct vg_value  scissor_rects[32*4];
+   VGint  scissor_rects_num;
+
+   /* Color Transformation */
+   VGboolean color_transform;
+   VGfloat color_transform_values[8];
+
+   /* Stroke parameters */
+   struct {
+      struct vg_value line_width;
+      VGCapStyle cap_style;
+      VGJoinStyle join_style;
+      struct vg_value miter_limit;
+      struct vg_value dash_pattern[VEGA_MAX_DASH_COUNT];
+      VGint   dash_pattern_num;
+      struct vg_value dash_phase;
+      VGboolean dash_phase_reset;
+   } stroke;
+
+   /* Edge fill color for VG_TILE_FILL tiling mode */
+   VGfloat tile_fill_color[4];
+   VGint tile_fill_colori[4];
+
+   /* Color for vgClear */
+   VGfloat clear_color[4];
+   VGint clear_colori[4];
+
+   /* Glyph origin */
+   struct vg_value glyph_origin[2];
+
+   /* Enable/disable alpha masking and scissoring */
+   VGboolean masking;
+   VGboolean scissoring;
+
+   /* Pixel layout information */
+   VGPixelLayout pixel_layout;
+   VGPixelLayout screen_layout;
+
+   /* Source format selection for image filters */
+   VGboolean filter_format_linear;
+   VGboolean filter_format_premultiplied;
+
+   /* Destination write enable mask for image filters */
+   VGbitfield filter_channel_mask;
+
+   struct matrix path_user_to_surface_matrix;
+   struct matrix image_user_to_surface_matrix;
+   struct matrix fill_paint_to_user_matrix;
+   struct matrix stroke_paint_to_user_matrix;
+   struct matrix glyph_user_to_surface_matrix;
+
+   struct vg_paint *stroke_paint;
+   struct vg_paint *fill_paint;
+};
+
+void vg_init_state(struct vg_state *state);
+struct matrix * vg_state_matrix(struct vg_state *state);
+
+#endif