1 files changed, 87 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor_transform.h b/xorg-server/glamor/glamor_transform.h
new file mode 100644
index 000000000..36b789af8
--- /dev/null
+++ b/xorg-server/glamor/glamor_transform.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright © 2014 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifndef _GLAMOR_TRANSFORM_H_
+#define _GLAMOR_TRANSFORM_H_
+
+void
+glamor_set_destination_drawable(DrawablePtr     drawable,
+                                int             box_x,
+                                int             box_y,
+                                Bool            do_drawable_translate,
+                                Bool            center_offset,
+                                GLint           matrix_uniform_location,
+                                int             *p_off_x,
+                                int             *p_off_y);
+
+void
+glamor_set_color(PixmapPtr      pixmap,
+                 CARD32         pixel,
+                 GLint          uniform);
+
+Bool
+glamor_set_texture(PixmapPtr    pixmap,
+                   PixmapPtr    texture,
+                   int          off_x,
+                   int          off_y,
+                   GLint        offset_uniform,
+                   GLint        size_uniform);
+
+Bool
+glamor_set_solid(PixmapPtr      pixmap,
+                 GCPtr          gc,
+                 Bool           use_alu,
+                 GLint          uniform);
+
+Bool
+glamor_set_tiled(PixmapPtr      pixmap,
+                 GCPtr          gc,
+                 GLint          offset_uniform,
+                 GLint          size_uniform);
+
+Bool
+glamor_set_stippled(PixmapPtr      pixmap,
+                    GCPtr          gc,
+                    GLint          fg_uniform,
+                    GLint          offset_uniform,
+                    GLint          size_uniform);
+
+/*
+ * Vertex shader bits that transform X coordinates to pixmap
+ * coordinates using the matrix computed above
+ */
+
+#define GLAMOR_DECLARE_MATRIX   "uniform vec4 v_matrix;\n"
+#define GLAMOR_X_POS(x) #x " *v_matrix.x + v_matrix.y"
+#define GLAMOR_Y_POS(y) #y " *v_matrix.z + v_matrix.w"
+#if 0
+#define GLAMOR_POS(dst,src) \
+    "       " #dst ".x = " #src ".x * v_matrix.x + v_matrix.y;\n" \
+    "       " #dst ".y = " #src ".y * v_matrix.z + v_matrix.w;\n" \
+    "       " #dst ".z = 0.0;\n" \
+    "       " #dst ".w = 1.0;\n"
+#endif
+#define GLAMOR_POS(dst,src) \
+    "       " #dst ".xy = " #src ".xy * v_matrix.xz + v_matrix.yw;\n" \
+    "       " #dst ".zw = vec2(0.0,1.0);\n"
+
+#endif /* _GLAMOR_TRANSFORM_H_ */