1 files changed, 128 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/api_transform.c b/src/gallium/state_trackers/vega/api_transform.c
new file mode 100644
index 0000000000..763a5ec415
--- /dev/null
+++ b/src/gallium/state_trackers/vega/api_transform.c
@@ -0,0 +1,128 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#include "VG/openvg.h"
+
+#include "vg_context.h"
+
+#include "matrix.h"
+
+void vgLoadIdentity(void)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct  matrix *mat = vg_state_matrix(&ctx->state.vg);
+   matrix_load_identity(mat);
+}
+
+void vgLoadMatrix(const VGfloat * m)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct  matrix *mat;
+
+   if (!ctx)
+      return;
+
+   if (!m || !is_aligned(m)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   mat = vg_state_matrix(&ctx->state.vg);
+   matrix_init(mat, m);
+   if (!matrix_is_affine(mat)) {
+      if (ctx->state.vg.matrix_mode != VG_MATRIX_IMAGE_USER_TO_SURFACE) {
+         matrix_make_affine(mat);
+      }
+   }
+}
+
+void vgGetMatrix(VGfloat * m)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct matrix *mat;
+
+   if (!ctx)
+      return;
+
+   if (!m || !is_aligned(m)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   mat = vg_state_matrix(&ctx->state.vg);
+   memcpy(m, mat->m, sizeof(VGfloat)*9);
+}
+
+void vgMultMatrix(const VGfloat * m)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct matrix *dst, src;
+
+   if (!ctx)
+      return;
+
+   if (!m || !is_aligned(m)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+   matrix_init(&src, m);
+   dst = vg_state_matrix(&ctx->state.vg);
+   if (!matrix_is_affine(&src)) {
+      if (ctx->state.vg.matrix_mode != VG_MATRIX_IMAGE_USER_TO_SURFACE) {
+         matrix_make_affine(&src);
+      }
+   }
+   matrix_mult(dst, &src);
+
+}
+
+void vgTranslate(VGfloat tx, VGfloat ty)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct matrix *dst = vg_state_matrix(&ctx->state.vg);
+   matrix_translate(dst, tx, ty);
+}
+
+void vgScale(VGfloat sx, VGfloat sy)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct matrix *dst = vg_state_matrix(&ctx->state.vg);
+   matrix_scale(dst, sx, sy);
+}
+
+void vgShear(VGfloat shx, VGfloat shy)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct matrix *dst = vg_state_matrix(&ctx->state.vg);
+   matrix_shear(dst, shx, shy);
+}
+
+void vgRotate(VGfloat angle)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct matrix *dst = vg_state_matrix(&ctx->state.vg);
+   matrix_rotate(dst, angle);
+}