OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 1673 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/vega/api_params.c b/src/gallium/state_trackers/vega/api_params.c
new file mode 100644
index 00000000000..db77fd9cb05
--- /dev/null
+++ b/src/gallium/state_trackers/vega/api_params.c
@@ -0,0 +1,1673 @@
+/**************************************************************************
+ *
+ * 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 "paint.h"
+#include "path.h"
+#include "image.h"
+#include "matrix.h"
+#include "api_consts.h"
+
+#include "pipe/p_compiler.h"
+#include "util/u_pointer.h"
+#include "util/u_math.h"
+
+#include <math.h>
+
+static INLINE struct vg_state *current_state()
+{
+   struct vg_context *ctx = vg_current_context();
+   if (!ctx)
+      return 0;
+   else
+      return &ctx->state.vg;
+}
+
+static INLINE VGboolean count_in_bounds(VGParamType type, VGint count)
+{
+   if (count < 0)
+      return VG_FALSE;
+
+   if (type == VG_SCISSOR_RECTS)
+      return (!(count % 4) && (count >= 0 || count <= VEGA_MAX_SCISSOR_RECTS * 4));
+   else if (type == VG_STROKE_DASH_PATTERN) {
+      return count <= VEGA_MAX_DASH_COUNT;
+   } else {
+      VGint real_count = vgGetVectorSize(type);
+      return count == real_count;
+   }
+}
+
+void vgSetf (VGParamType type, VGfloat value)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_state *state = current_state();
+   VGErrorCode error = VG_NO_ERROR;
+
+   switch(type) {
+   case VG_MATRIX_MODE:
+   case VG_FILL_RULE:
+   case VG_IMAGE_QUALITY:
+   case VG_RENDERING_QUALITY:
+   case VG_BLEND_MODE:
+   case VG_IMAGE_MODE:
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM:
+#endif
+   case VG_STROKE_CAP_STYLE:
+   case VG_STROKE_JOIN_STYLE:
+   case VG_STROKE_DASH_PHASE_RESET:
+   case VG_MASKING:
+   case VG_SCISSORING:
+   case VG_PIXEL_LAYOUT:
+   case VG_SCREEN_LAYOUT:
+   case VG_FILTER_FORMAT_LINEAR:
+   case VG_FILTER_FORMAT_PREMULTIPLIED:
+   case VG_FILTER_CHANNEL_MASK:
+
+   case VG_MAX_SCISSOR_RECTS:
+   case VG_MAX_DASH_COUNT:
+   case VG_MAX_KERNEL_SIZE:
+   case VG_MAX_SEPARABLE_KERNEL_SIZE:
+   case VG_MAX_COLOR_RAMP_STOPS:
+   case VG_MAX_IMAGE_WIDTH:
+   case VG_MAX_IMAGE_HEIGHT:
+   case VG_MAX_IMAGE_PIXELS:
+   case VG_MAX_IMAGE_BYTES:
+   case VG_MAX_GAUSSIAN_STD_DEVIATION:
+   case VG_MAX_FLOAT:
+      vgSeti(type, floor(value));
+      return;
+      break;
+   case VG_STROKE_LINE_WIDTH:
+      state->stroke.line_width.f = value;
+      state->stroke.line_width.i = float_to_int_floor(*((VGuint*)(&value)));
+      break;
+   case VG_STROKE_MITER_LIMIT:
+      state->stroke.miter_limit.f = value;
+      state->stroke.miter_limit.i = float_to_int_floor(*((VGuint*)(&value)));
+      break;
+   case VG_STROKE_DASH_PHASE:
+      state->stroke.dash_phase.f = value;
+      state->stroke.dash_phase.i = float_to_int_floor(*((VGuint*)(&value)));
+      break;
+   default:
+      error = VG_ILLEGAL_ARGUMENT_ERROR;
+      break;
+   }
+   vg_set_error(ctx, error);
+}
+
+void vgSeti (VGParamType type, VGint value)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_state *state = current_state();
+   VGErrorCode error = VG_NO_ERROR;
+
+   switch(type) {
+   case VG_MATRIX_MODE:
+      if (value < VG_MATRIX_PATH_USER_TO_SURFACE ||
+#ifdef OPENVG_VERSION_1_1
+          value > VG_MATRIX_GLYPH_USER_TO_SURFACE)
+#else
+          value > VG_MATRIX_STROKE_PAINT_TO_USER)
+#endif
+         error = VG_ILLEGAL_ARGUMENT_ERROR;
+      else
+         state->matrix_mode = value;
+      break;
+   case VG_FILL_RULE:
+      if (value < VG_EVEN_ODD ||
+          value > VG_NON_ZERO)
+         error = VG_ILLEGAL_ARGUMENT_ERROR;
+      else
+         state->fill_rule = value;
+      break;
+   case VG_IMAGE_QUALITY:
+      state->image_quality = value;
+      break;
+   case VG_RENDERING_QUALITY:
+      if (value < VG_RENDERING_QUALITY_NONANTIALIASED ||
+          value > VG_RENDERING_QUALITY_BETTER)
+         error = VG_ILLEGAL_ARGUMENT_ERROR;
+      else
+         state->rendering_quality = value;
+      break;
+   case VG_BLEND_MODE:
+      if (value < VG_BLEND_SRC ||
+          value > VG_BLEND_ADDITIVE)
+         error = VG_ILLEGAL_ARGUMENT_ERROR;
+      else {
+         ctx->state.dirty |= BLEND_DIRTY;
+         state->blend_mode = value;
+      }
+      break;
+   case VG_IMAGE_MODE:
+      if (value < VG_DRAW_IMAGE_NORMAL ||
+          value > VG_DRAW_IMAGE_STENCIL)
+         error = VG_ILLEGAL_ARGUMENT_ERROR;
+      else
+         state->image_mode = value;
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM:
+      state->color_transform = value;
+#endif
+      break;
+   case VG_STROKE_LINE_WIDTH:
+      state->stroke.line_width.f = value;
+      state->stroke.line_width.i = value;
+      break;
+   case VG_STROKE_CAP_STYLE:
+      if (value < VG_CAP_BUTT ||
+          value > VG_CAP_SQUARE)
+         error = VG_ILLEGAL_ARGUMENT_ERROR;
+      else
+         state->stroke.cap_style = value;
+      break;
+   case VG_STROKE_JOIN_STYLE:
+      if (value < VG_JOIN_MITER ||
+          value > VG_JOIN_BEVEL)
+         error = VG_ILLEGAL_ARGUMENT_ERROR;
+      else
+         state->stroke.join_style = value;
+      break;
+   case VG_STROKE_MITER_LIMIT:
+      state->stroke.miter_limit.f = value;
+      state->stroke.miter_limit.i = value;
+      break;
+   case VG_STROKE_DASH_PHASE:
+      state->stroke.dash_phase.f = value;
+      state->stroke.dash_phase.i = value;
+      break;
+   case VG_STROKE_DASH_PHASE_RESET:
+      state->stroke.dash_phase_reset = value;
+      break;
+   case VG_MASKING:
+      state->masking = value;
+      break;
+   case VG_SCISSORING:
+      state->scissoring = value;
+      ctx->state.dirty |= DEPTH_STENCIL_DIRTY;
+      break;
+   case VG_PIXEL_LAYOUT:
+      if (value < VG_PIXEL_LAYOUT_UNKNOWN ||
+          value > VG_PIXEL_LAYOUT_BGR_HORIZONTAL)
+         error = VG_ILLEGAL_ARGUMENT_ERROR;
+      else
+         state->pixel_layout = value;
+      break;
+   case VG_SCREEN_LAYOUT:
+      /* read only ignore */
+      break;
+   case VG_FILTER_FORMAT_LINEAR:
+      state->filter_format_linear = value;
+      break;
+   case VG_FILTER_FORMAT_PREMULTIPLIED:
+      state->filter_format_premultiplied = value;
+      break;
+   case VG_FILTER_CHANNEL_MASK:
+      state->filter_channel_mask = value;
+      break;
+
+   case VG_MAX_SCISSOR_RECTS:
+   case VG_MAX_DASH_COUNT:
+   case VG_MAX_KERNEL_SIZE:
+   case VG_MAX_SEPARABLE_KERNEL_SIZE:
+   case VG_MAX_COLOR_RAMP_STOPS:
+   case VG_MAX_IMAGE_WIDTH:
+   case VG_MAX_IMAGE_HEIGHT:
+   case VG_MAX_IMAGE_PIXELS:
+   case VG_MAX_IMAGE_BYTES:
+   case VG_MAX_GAUSSIAN_STD_DEVIATION:
+   case VG_MAX_FLOAT:
+      /* read only ignore */
+      break;
+   default:
+      error = VG_ILLEGAL_ARGUMENT_ERROR;
+      break;
+   }
+   vg_set_error(ctx, error);
+}
+
+void vgSetfv(VGParamType type, VGint count,
+             const VGfloat * values)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_state *state = current_state();
+   VGErrorCode error = VG_NO_ERROR;
+
+   if ((count && !values) || !count_in_bounds(type, count) || !is_aligned(values)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   switch(type) {
+   case VG_MATRIX_MODE:
+   case VG_FILL_RULE:
+   case VG_IMAGE_QUALITY:
+   case VG_RENDERING_QUALITY:
+   case VG_BLEND_MODE:
+   case VG_IMAGE_MODE:
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM:
+#endif
+   case VG_STROKE_CAP_STYLE:
+   case VG_STROKE_JOIN_STYLE:
+   case VG_STROKE_DASH_PHASE_RESET:
+   case VG_MASKING:
+   case VG_SCISSORING:
+   case VG_PIXEL_LAYOUT:
+   case VG_SCREEN_LAYOUT:
+   case VG_FILTER_FORMAT_LINEAR:
+   case VG_FILTER_FORMAT_PREMULTIPLIED:
+   case VG_FILTER_CHANNEL_MASK:
+      vgSeti(type, floor(values[0]));
+      return;
+      break;
+   case VG_SCISSOR_RECTS: {
+      VGint i;
+      VGuint *x = (VGuint*)values;
+      for (i = 0; i < count; ++i) {
+         state->scissor_rects[i].f =  values[i];
+         state->scissor_rects[i].i =  float_to_int_floor(x[i]);
+      }
+      state->scissor_rects_num = count / 4;
+      ctx->state.dirty |= DEPTH_STENCIL_DIRTY;
+   }
+      break;
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM_VALUES: {
+      VGint i;
+      for (i = 0; i < count; ++i) {
+         state->color_transform_values[i] =  values[i];
+      }
+   }
+      break;
+#endif
+   case VG_STROKE_LINE_WIDTH:
+      state->stroke.line_width.f = values[0];
+      state->stroke.line_width.i = float_to_int_floor(*((VGuint*)(values)));
+      break;
+   case VG_STROKE_MITER_LIMIT:
+      state->stroke.miter_limit.f = values[0];
+      state->stroke.miter_limit.i = float_to_int_floor(*((VGuint*)(values)));
+      break;
+   case VG_STROKE_DASH_PATTERN: {
+      int i;
+      for (i = 0; i < count; ++i) {
+         state->stroke.dash_pattern[i].f = values[i];
+         state->stroke.dash_pattern[i].i =
+            float_to_int_floor(*((VGuint*)(values + i)));
+      }
+      state->stroke.dash_pattern_num = count;
+   }
+      break;
+   case VG_STROKE_DASH_PHASE:
+      state->stroke.dash_phase.f = values[0];
+      state->stroke.dash_phase.i = float_to_int_floor(*((VGuint*)(values)));
+      break;
+   case VG_TILE_FILL_COLOR:
+      state->tile_fill_color[0] = values[0];
+      state->tile_fill_color[1] = values[1];
+      state->tile_fill_color[2] = values[2];
+      state->tile_fill_color[3] = values[3];
+
+      state->tile_fill_colori[0] = float_to_int_floor(*((VGuint*)(values + 0)));
+      state->tile_fill_colori[1] = float_to_int_floor(*((VGuint*)(values + 1)));
+      state->tile_fill_colori[2] = float_to_int_floor(*((VGuint*)(values + 2)));
+      state->tile_fill_colori[3] = float_to_int_floor(*((VGuint*)(values + 3)));
+      break;
+   case VG_CLEAR_COLOR:
+      state->clear_color[0] = values[0];
+      state->clear_color[1] = values[1];
+      state->clear_color[2] = values[2];
+      state->clear_color[3] = values[3];
+
+      state->clear_colori[0] = float_to_int_floor(*((VGuint*)(values + 0)));
+      state->clear_colori[1] = float_to_int_floor(*((VGuint*)(values + 1)));
+      state->clear_colori[2] = float_to_int_floor(*((VGuint*)(values + 2)));
+      state->clear_colori[3] = float_to_int_floor(*((VGuint*)(values + 3)));
+      break;
+#ifdef OPENVG_VERSION_1_1
+   case VG_GLYPH_ORIGIN:
+      state->glyph_origin[0].f = values[0];
+      state->glyph_origin[1].f = values[1];
+
+      state->glyph_origin[0].i = float_to_int_floor(*((VGuint*)(values + 0)));
+      state->glyph_origin[1].i = float_to_int_floor(*((VGuint*)(values + 1)));
+      break;
+#endif
+
+   case VG_MAX_SCISSOR_RECTS:
+   case VG_MAX_DASH_COUNT:
+   case VG_MAX_KERNEL_SIZE:
+   case VG_MAX_SEPARABLE_KERNEL_SIZE:
+   case VG_MAX_COLOR_RAMP_STOPS:
+   case VG_MAX_IMAGE_WIDTH:
+   case VG_MAX_IMAGE_HEIGHT:
+   case VG_MAX_IMAGE_PIXELS:
+   case VG_MAX_IMAGE_BYTES:
+   case VG_MAX_GAUSSIAN_STD_DEVIATION:
+   case VG_MAX_FLOAT:
+      break;
+   default:
+      error = VG_ILLEGAL_ARGUMENT_ERROR;
+      break;
+   }
+   vg_set_error(ctx, error);
+}
+
+void vgSetiv(VGParamType type, VGint count,
+             const VGint * values)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_state *state = current_state();
+
+   if ((count && !values) || !count_in_bounds(type, count) || !is_aligned(values)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   switch(type) {
+   case VG_MATRIX_MODE:
+   case VG_FILL_RULE:
+   case VG_IMAGE_QUALITY:
+   case VG_RENDERING_QUALITY:
+   case VG_BLEND_MODE:
+   case VG_IMAGE_MODE:
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM:
+#endif
+   case VG_STROKE_CAP_STYLE:
+   case VG_STROKE_JOIN_STYLE:
+   case VG_STROKE_DASH_PHASE_RESET:
+   case VG_MASKING:
+   case VG_SCISSORING:
+   case VG_PIXEL_LAYOUT:
+   case VG_SCREEN_LAYOUT:
+   case VG_FILTER_FORMAT_LINEAR:
+   case VG_FILTER_FORMAT_PREMULTIPLIED:
+   case VG_FILTER_CHANNEL_MASK:
+      vgSeti(type, values[0]);
+      return;
+      break;
+   case VG_SCISSOR_RECTS: {
+      VGint i;
+      for (i = 0; i < count; ++i) {
+         state->scissor_rects[i].i =  values[i];
+         state->scissor_rects[i].f =  values[i];
+      }
+      state->scissor_rects_num = count / 4;
+      ctx->state.dirty |= DEPTH_STENCIL_DIRTY;
+   }
+      break;
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM_VALUES: {
+      VGint i;
+      for (i = 0; i < count; ++i) {
+         state->color_transform_values[i] =  values[i];
+      }
+   }
+      break;
+#endif
+   case VG_STROKE_LINE_WIDTH:
+      state->stroke.line_width.f = values[0];
+      state->stroke.line_width.i = values[0];
+      break;
+   case VG_STROKE_MITER_LIMIT:
+      state->stroke.miter_limit.f = values[0];
+      state->stroke.miter_limit.i = values[0];
+      break;
+   case VG_STROKE_DASH_PATTERN: {
+      int i;
+      for (i = 0; i < count; ++i) {
+         state->stroke.dash_pattern[i].f = values[i];
+         state->stroke.dash_pattern[i].i = values[i];
+      }
+      state->stroke.dash_pattern_num = count;
+   }
+      break;
+   case VG_STROKE_DASH_PHASE:
+      state->stroke.dash_phase.f = values[0];
+      state->stroke.dash_phase.i = values[0];
+      break;
+   case VG_TILE_FILL_COLOR:
+      state->tile_fill_color[0] = values[0];
+      state->tile_fill_color[1] = values[1];
+      state->tile_fill_color[2] = values[2];
+      state->tile_fill_color[3] = values[3];
+
+      state->tile_fill_colori[0] = values[0];
+      state->tile_fill_colori[1] = values[1];
+      state->tile_fill_colori[2] = values[2];
+      state->tile_fill_colori[3] = values[3];
+      break;
+   case VG_CLEAR_COLOR:
+      state->clear_color[0] = values[0];
+      state->clear_color[1] = values[1];
+      state->clear_color[2] = values[2];
+      state->clear_color[3] = values[3];
+
+      state->clear_colori[0] = values[0];
+      state->clear_colori[1] = values[1];
+      state->clear_colori[2] = values[2];
+      state->clear_colori[3] = values[3];
+      break;
+#ifdef OPENVG_VERSION_1_1
+   case VG_GLYPH_ORIGIN:
+      state->glyph_origin[0].f = values[0];
+      state->glyph_origin[1].f = values[1];
+      state->glyph_origin[0].i = values[0];
+      state->glyph_origin[1].i = values[1];
+      break;
+#endif
+
+   case VG_MAX_SCISSOR_RECTS:
+   case VG_MAX_DASH_COUNT:
+   case VG_MAX_KERNEL_SIZE:
+   case VG_MAX_SEPARABLE_KERNEL_SIZE:
+   case VG_MAX_COLOR_RAMP_STOPS:
+   case VG_MAX_IMAGE_WIDTH:
+   case VG_MAX_IMAGE_HEIGHT:
+   case VG_MAX_IMAGE_PIXELS:
+   case VG_MAX_IMAGE_BYTES:
+   case VG_MAX_GAUSSIAN_STD_DEVIATION:
+   case VG_MAX_FLOAT:
+      break;
+
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   }
+}
+
+VGfloat vgGetf(VGParamType type)
+{
+   struct vg_context *ctx = vg_current_context();
+   const struct vg_state *state = current_state();
+   VGErrorCode error = VG_NO_ERROR;
+   VGfloat value = 0.0f;
+
+   switch(type) {
+   case VG_MATRIX_MODE:
+   case VG_FILL_RULE:
+   case VG_IMAGE_QUALITY:
+   case VG_RENDERING_QUALITY:
+   case VG_BLEND_MODE:
+   case VG_IMAGE_MODE:
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM:
+#endif
+   case VG_STROKE_CAP_STYLE:
+   case VG_STROKE_JOIN_STYLE:
+   case VG_STROKE_DASH_PHASE_RESET:
+   case VG_MASKING:
+   case VG_SCISSORING:
+   case VG_PIXEL_LAYOUT:
+   case VG_SCREEN_LAYOUT:
+   case VG_FILTER_FORMAT_LINEAR:
+   case VG_FILTER_FORMAT_PREMULTIPLIED:
+   case VG_FILTER_CHANNEL_MASK:
+      return vgGeti(type);
+      break;
+   case VG_STROKE_LINE_WIDTH:
+      value = state->stroke.line_width.f;
+      break;
+   case VG_STROKE_MITER_LIMIT:
+      value = state->stroke.miter_limit.f;
+      break;
+   case VG_STROKE_DASH_PHASE:
+      value = state->stroke.dash_phase.f;
+      break;
+
+   case VG_MAX_SCISSOR_RECTS:
+   case VG_MAX_DASH_COUNT:
+   case VG_MAX_KERNEL_SIZE:
+   case VG_MAX_SEPARABLE_KERNEL_SIZE:
+   case VG_MAX_COLOR_RAMP_STOPS:
+   case VG_MAX_IMAGE_WIDTH:
+   case VG_MAX_IMAGE_HEIGHT:
+   case VG_MAX_IMAGE_PIXELS:
+   case VG_MAX_IMAGE_BYTES:
+   case VG_MAX_GAUSSIAN_STD_DEVIATION:
+      return vgGeti(type);
+      break;
+   case VG_MAX_FLOAT:
+      value = 1e+10;/*must be at least 1e+10*/
+      break;
+   default:
+      error = VG_ILLEGAL_ARGUMENT_ERROR;
+      break;
+   }
+   vg_set_error(ctx, error);
+   return value;
+}
+
+VGint vgGeti(VGParamType type)
+{
+   const struct vg_state *state = current_state();
+   struct vg_context *ctx = vg_current_context();
+   VGErrorCode error = VG_NO_ERROR;
+   VGint value = 0;
+
+   switch(type) {
+   case VG_MATRIX_MODE:
+      value = state->matrix_mode;
+      break;
+   case VG_FILL_RULE:
+      value = state->fill_rule;
+      break;
+   case VG_IMAGE_QUALITY:
+      value = state->image_quality;
+      break;
+   case VG_RENDERING_QUALITY:
+      value = state->rendering_quality;
+      break;
+   case VG_BLEND_MODE:
+      value = state->blend_mode;
+      break;
+   case VG_IMAGE_MODE:
+      value = state->image_mode;
+      break;
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM:
+      value = state->color_transform;
+      break;
+#endif
+   case VG_STROKE_LINE_WIDTH:
+      value = state->stroke.line_width.i;
+      break;
+   case VG_STROKE_CAP_STYLE:
+      value = state->stroke.cap_style;
+      break;
+   case VG_STROKE_JOIN_STYLE:
+      value = state->stroke.join_style;
+      break;
+   case VG_STROKE_MITER_LIMIT:
+      value = state->stroke.miter_limit.i;
+      break;
+   case VG_STROKE_DASH_PHASE:
+      value = state->stroke.dash_phase.i;
+      break;
+   case VG_STROKE_DASH_PHASE_RESET:
+      value = state->stroke.dash_phase_reset;
+      break;
+   case VG_MASKING:
+      value = state->masking;
+      break;
+   case VG_SCISSORING:
+      value = state->scissoring;
+      break;
+   case VG_PIXEL_LAYOUT:
+      value = state->pixel_layout;
+      break;
+   case VG_SCREEN_LAYOUT:
+      value = state->screen_layout;
+      break;
+   case VG_FILTER_FORMAT_LINEAR:
+      value = state->filter_format_linear;
+      break;
+   case VG_FILTER_FORMAT_PREMULTIPLIED:
+      value = state->filter_format_premultiplied;
+      break;
+   case VG_FILTER_CHANNEL_MASK:
+      value = state->filter_channel_mask;
+      break;
+
+   case VG_MAX_SCISSOR_RECTS:
+      value = 32; /*must be at least 32*/
+      break;
+   case VG_MAX_DASH_COUNT:
+      value = 16; /*must be at least 16*/
+      break;
+   case VG_MAX_KERNEL_SIZE:
+      value = 7; /*must be at least 7*/
+      break;
+   case VG_MAX_SEPARABLE_KERNEL_SIZE:
+      value = 15; /*must be at least 15*/
+      break;
+   case VG_MAX_COLOR_RAMP_STOPS:
+      value = 256; /*must be at least 32*/
+      break;
+   case VG_MAX_IMAGE_WIDTH:
+      value = 2048;
+      break;
+   case VG_MAX_IMAGE_HEIGHT:
+      value = 2048;
+      break;
+   case VG_MAX_IMAGE_PIXELS:
+      value = 2048*2048;
+      break;
+   case VG_MAX_IMAGE_BYTES:
+      value = 2048*2048 * 4;
+      break;
+   case VG_MAX_GAUSSIAN_STD_DEVIATION:
+      value = 128; /*must be at least 128*/
+      break;
+
+   case VG_MAX_FLOAT: {
+      VGfloat val = vgGetf(type);
+      value = float_to_int_floor(*((VGuint*)&val));
+   }
+      break;
+   default:
+      error = VG_ILLEGAL_ARGUMENT_ERROR;
+      break;
+   }
+   vg_set_error(ctx, error);
+   return value;
+}
+
+VGint vgGetVectorSize(VGParamType type)
+{
+   struct vg_context *ctx = vg_current_context();
+   const struct vg_state *state = current_state();
+   switch(type) {
+   case VG_MATRIX_MODE:
+   case VG_FILL_RULE:
+   case VG_IMAGE_QUALITY:
+   case VG_RENDERING_QUALITY:
+   case VG_BLEND_MODE:
+   case VG_IMAGE_MODE:
+      return 1;
+   case VG_SCISSOR_RECTS:
+      return state->scissor_rects_num * 4;
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM:
+      return 1;
+   case VG_COLOR_TRANSFORM_VALUES:
+      return 8;
+#endif
+   case VG_STROKE_LINE_WIDTH:
+   case VG_STROKE_CAP_STYLE:
+   case VG_STROKE_JOIN_STYLE:
+   case VG_STROKE_MITER_LIMIT:
+      return 1;
+   case VG_STROKE_DASH_PATTERN:
+      return state->stroke.dash_pattern_num;
+   case VG_STROKE_DASH_PHASE:
+      return 1;
+   case VG_STROKE_DASH_PHASE_RESET:
+      return 1;
+   case VG_TILE_FILL_COLOR:
+      return 4;
+   case VG_CLEAR_COLOR:
+      return 4;
+#ifdef OPENVG_VERSION_1_1
+   case VG_GLYPH_ORIGIN:
+      return 2;
+#endif
+   case VG_MASKING:
+      return 1;
+   case VG_SCISSORING:
+      return 1;
+   case VG_PIXEL_LAYOUT:
+      return 1;
+   case VG_SCREEN_LAYOUT:
+      return 1;
+   case VG_FILTER_FORMAT_LINEAR:
+      return 1;
+   case VG_FILTER_FORMAT_PREMULTIPLIED:
+      return 1;
+   case VG_FILTER_CHANNEL_MASK:
+      return 1;
+
+   case VG_MAX_COLOR_RAMP_STOPS:
+      return 1;
+   case VG_MAX_SCISSOR_RECTS:
+   case VG_MAX_DASH_COUNT:
+   case VG_MAX_KERNEL_SIZE:
+   case VG_MAX_SEPARABLE_KERNEL_SIZE:
+   case VG_MAX_IMAGE_WIDTH:
+   case VG_MAX_IMAGE_HEIGHT:
+   case VG_MAX_IMAGE_PIXELS:
+   case VG_MAX_IMAGE_BYTES:
+   case VG_MAX_FLOAT:
+   case VG_MAX_GAUSSIAN_STD_DEVIATION:
+      return 1;
+   default:
+      if (ctx)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return 0;
+   }
+}
+
+void vgGetfv(VGParamType type, VGint count,
+             VGfloat * values)
+{
+   const struct vg_state *state = current_state();
+   struct vg_context *ctx = vg_current_context();
+   VGint real_count = vgGetVectorSize(type);
+
+   if (!values || count <= 0 || count > real_count || !is_aligned(values)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   switch(type) {
+   case VG_MATRIX_MODE:
+   case VG_FILL_RULE:
+   case VG_IMAGE_QUALITY:
+   case VG_RENDERING_QUALITY:
+   case VG_BLEND_MODE:
+   case VG_IMAGE_MODE:
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM:
+#endif
+   case VG_STROKE_CAP_STYLE:
+   case VG_STROKE_JOIN_STYLE:
+   case VG_STROKE_DASH_PHASE_RESET:
+   case VG_MASKING:
+   case VG_SCISSORING:
+   case VG_PIXEL_LAYOUT:
+   case VG_SCREEN_LAYOUT:
+   case VG_FILTER_FORMAT_LINEAR:
+   case VG_FILTER_FORMAT_PREMULTIPLIED:
+   case VG_FILTER_CHANNEL_MASK:
+   case VG_MAX_SCISSOR_RECTS:
+   case VG_MAX_DASH_COUNT:
+   case VG_MAX_KERNEL_SIZE:
+   case VG_MAX_SEPARABLE_KERNEL_SIZE:
+   case VG_MAX_COLOR_RAMP_STOPS:
+   case VG_MAX_IMAGE_WIDTH:
+   case VG_MAX_IMAGE_HEIGHT:
+   case VG_MAX_IMAGE_PIXELS:
+   case VG_MAX_IMAGE_BYTES:
+   case VG_MAX_GAUSSIAN_STD_DEVIATION:
+      values[0] = vgGeti(type);
+      break;
+   case VG_MAX_FLOAT:
+      values[0] = vgGetf(type);
+      break;
+   case VG_SCISSOR_RECTS: {
+      VGint i;
+      for (i = 0; i < count; ++i) {
+         values[i] = state->scissor_rects[i].f;
+      }
+   }
+      break;
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM_VALUES: {
+      memcpy(values, state->color_transform_values,
+             sizeof(VGfloat) * count);
+   }
+      break;
+#endif
+   case VG_STROKE_LINE_WIDTH:
+      values[0] = state->stroke.line_width.f;
+      break;
+   case VG_STROKE_MITER_LIMIT:
+      values[0] = state->stroke.miter_limit.f;
+      break;
+   case VG_STROKE_DASH_PATTERN: {
+      VGint i;
+      for (i = 0; i < count; ++i) {
+         values[i] = state->stroke.dash_pattern[i].f;
+      }
+   }
+      break;
+   case VG_STROKE_DASH_PHASE:
+      values[0] = state->stroke.dash_phase.f;
+      break;
+   case VG_TILE_FILL_COLOR:
+      values[0] = state->tile_fill_color[0];
+      values[1] = state->tile_fill_color[1];
+      values[2] = state->tile_fill_color[2];
+      values[3] = state->tile_fill_color[3];
+      break;
+   case VG_CLEAR_COLOR:
+      values[0] = state->clear_color[0];
+      values[1] = state->clear_color[1];
+      values[2] = state->clear_color[2];
+      values[3] = state->clear_color[3];
+      break;
+#ifdef OPENVG_VERSION_1_1
+   case VG_GLYPH_ORIGIN:
+      values[0] = state->glyph_origin[0].f;
+      values[1] = state->glyph_origin[1].f;
+      break;
+#endif
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   }
+}
+
+void vgGetiv(VGParamType type, VGint count,
+             VGint * values)
+{
+   const struct vg_state *state = current_state();
+   struct vg_context *ctx = vg_current_context();
+   VGint real_count = vgGetVectorSize(type);
+
+   if (!values || count <= 0 || count > real_count || !is_aligned(values)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   switch(type) {
+   case VG_MATRIX_MODE:
+   case VG_FILL_RULE:
+   case VG_IMAGE_QUALITY:
+   case VG_RENDERING_QUALITY:
+   case VG_BLEND_MODE:
+   case VG_IMAGE_MODE:
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM:
+#endif
+   case VG_STROKE_CAP_STYLE:
+   case VG_STROKE_JOIN_STYLE:
+   case VG_STROKE_DASH_PHASE_RESET:
+   case VG_MASKING:
+   case VG_SCISSORING:
+   case VG_PIXEL_LAYOUT:
+   case VG_SCREEN_LAYOUT:
+   case VG_FILTER_FORMAT_LINEAR:
+   case VG_FILTER_FORMAT_PREMULTIPLIED:
+   case VG_FILTER_CHANNEL_MASK:
+   case VG_MAX_SCISSOR_RECTS:
+   case VG_MAX_DASH_COUNT:
+   case VG_MAX_KERNEL_SIZE:
+   case VG_MAX_SEPARABLE_KERNEL_SIZE:
+   case VG_MAX_COLOR_RAMP_STOPS:
+   case VG_MAX_IMAGE_WIDTH:
+   case VG_MAX_IMAGE_HEIGHT:
+   case VG_MAX_IMAGE_PIXELS:
+   case VG_MAX_IMAGE_BYTES:
+   case VG_MAX_GAUSSIAN_STD_DEVIATION:
+      values[0] = vgGeti(type);
+      break;
+   case VG_MAX_FLOAT: {
+      VGfloat val = vgGetf(type);
+      values[0] = float_to_int_floor(*((VGuint*)&val));
+   }
+      break;
+   case VG_SCISSOR_RECTS: {
+      VGint i;
+      for (i = 0; i < count; ++i) {
+         values[i] = state->scissor_rects[i].i;
+      }
+   }
+      break;
+#ifdef OPENVG_VERSION_1_1
+   case VG_COLOR_TRANSFORM_VALUES: {
+      VGint i;
+      VGuint *x = (VGuint*)state->color_transform_values;
+      for (i = 0; i < count; ++i) {
+         values[i] = float_to_int_floor(x[i]);
+      }
+   }
+      break;
+#endif
+   case VG_STROKE_LINE_WIDTH:
+      values[0] = state->stroke.line_width.i;
+      break;
+   case VG_STROKE_MITER_LIMIT:
+      values[0] = state->stroke.miter_limit.i;
+      break;
+   case VG_STROKE_DASH_PATTERN: {
+      VGint i;
+      for (i = 0; i < count; ++i) {
+         values[i] = state->stroke.dash_pattern[i].i;
+      }
+   }
+      break;
+   case VG_STROKE_DASH_PHASE:
+      values[0] = state->stroke.dash_phase.i;
+      break;
+   case VG_TILE_FILL_COLOR:
+      values[0] = state->tile_fill_colori[0];
+      values[1] = state->tile_fill_colori[1];
+      values[2] = state->tile_fill_colori[2];
+      values[3] = state->tile_fill_colori[3];
+      break;
+   case VG_CLEAR_COLOR:
+      values[0] = state->clear_colori[0];
+      values[1] = state->clear_colori[1];
+      values[2] = state->clear_colori[2];
+      values[3] = state->clear_colori[3];
+      break;
+#ifdef OPENVG_VERSION_1_1
+   case VG_GLYPH_ORIGIN:
+      values[0] = state->glyph_origin[0].i;
+      values[1] = state->glyph_origin[1].i;
+      break;
+#endif
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   }
+}
+
+void vgSetParameterf(VGHandle object,
+                     VGint paramType,
+                     VGfloat value)
+{
+   struct vg_context *ctx = vg_current_context();
+   void *ptr = (void*)object;
+
+   if (!object || object == VG_INVALID_HANDLE || !is_aligned(ptr)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   switch(paramType) {
+   case VG_PAINT_TYPE:
+   case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
+   case VG_PAINT_PATTERN_TILING_MODE:
+      vgSetParameteri(object, paramType, floor(value));
+      return;
+      break;
+   case VG_PAINT_COLOR:
+   case VG_PAINT_COLOR_RAMP_STOPS:
+   case VG_PAINT_LINEAR_GRADIENT:
+   case VG_PAINT_RADIAL_GRADIENT:
+      /* it's an error if paramType refers to a vector parameter */
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   case VG_PAINT_COLOR_RAMP_PREMULTIPLIED: {
+      struct vg_paint *p = (struct vg_paint *)object;
+      paint_set_color_ramp_premultiplied(p, value);
+   }
+      break;
+
+   case VG_PATH_DATATYPE:
+   case VG_PATH_FORMAT:
+   case VG_PATH_SCALE:
+   case VG_PATH_BIAS:
+   case VG_PATH_NUM_SEGMENTS:
+   case VG_PATH_NUM_COORDS:
+
+   case VG_IMAGE_FORMAT:
+   case VG_IMAGE_WIDTH:
+   case VG_IMAGE_HEIGHT:
+
+#ifdef OPENVG_VERSION_1_1
+   case VG_FONT_NUM_GLYPHS:
+      /* read only don't produce an error */
+      break;
+#endif
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   }
+}
+
+void vgSetParameteri(VGHandle object,
+                     VGint paramType,
+                     VGint value)
+{
+   struct vg_context *ctx = vg_current_context();
+   void *ptr = (void*)object;
+
+   if (!object || object == VG_INVALID_HANDLE || !is_aligned(ptr)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   switch(paramType) {
+   case VG_PAINT_TYPE:
+      if (value < VG_PAINT_TYPE_COLOR ||
+          value > VG_PAINT_TYPE_PATTERN)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         struct vg_paint *paint = (struct vg_paint *)ptr;
+         paint_set_type(paint, value);
+      }
+      break;
+   case VG_PAINT_COLOR:
+   case VG_PAINT_COLOR_RAMP_STOPS:
+   case VG_PAINT_LINEAR_GRADIENT:
+   case VG_PAINT_RADIAL_GRADIENT:
+      /* it's an error if paramType refers to a vector parameter */
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
+      if (value < VG_COLOR_RAMP_SPREAD_PAD ||
+          value > VG_COLOR_RAMP_SPREAD_REFLECT)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         struct vg_paint *paint = (struct vg_paint *)ptr;
+         paint_set_spread_mode(paint, value);
+      }
+      break;
+   case VG_PAINT_COLOR_RAMP_PREMULTIPLIED: {
+      struct vg_paint *p = (struct vg_paint *)object;
+      paint_set_color_ramp_premultiplied(p, value);
+   }
+      break;
+   case VG_PAINT_PATTERN_TILING_MODE:
+      if (value < VG_TILE_FILL ||
+          value > VG_TILE_REFLECT)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         struct vg_paint *paint = (struct vg_paint *)ptr;
+         paint_set_pattern_tiling(paint, value);
+      }
+      break;
+
+   case VG_PATH_DATATYPE:
+   case VG_PATH_FORMAT:
+   case VG_PATH_SCALE:
+   case VG_PATH_BIAS:
+   case VG_PATH_NUM_SEGMENTS:
+   case VG_PATH_NUM_COORDS:
+
+   case VG_IMAGE_FORMAT:
+   case VG_IMAGE_WIDTH:
+   case VG_IMAGE_HEIGHT:
+
+#ifdef OPENVG_VERSION_1_1
+   case VG_FONT_NUM_GLYPHS:
+      /* read only don't produce an error */
+      break;
+#endif
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+}
+
+void vgSetParameterfv(VGHandle object,
+                      VGint paramType,
+                      VGint count,
+                      const VGfloat * values)
+{
+   struct vg_context *ctx = vg_current_context();
+   void *ptr = (void*)object;
+   VGint real_count = vgGetParameterVectorSize(object, paramType);
+
+   if (!object || object == VG_INVALID_HANDLE || !is_aligned(ptr)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   if (count < 0 || count < real_count ||
+       (values == NULL && count != 0) ||
+       !is_aligned(values)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   switch(paramType) {
+   case VG_PAINT_TYPE:
+   case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
+   case VG_PAINT_COLOR_RAMP_PREMULTIPLIED:
+   case VG_PAINT_PATTERN_TILING_MODE:
+      if (count != 1)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else
+         vgSetParameterf(object, paramType, values[0]);
+      return;
+      break;
+   case VG_PAINT_COLOR: {
+      if (count != 4)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         struct vg_paint *paint = (struct vg_paint *)object;
+         paint_set_color(paint, values);
+      }
+   }
+      break;
+   case VG_PAINT_COLOR_RAMP_STOPS: {
+      if (count && count < 4)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         struct vg_paint *paint = (struct vg_paint *)object;
+         count = MIN2(count, VEGA_MAX_COLOR_RAMP_STOPS);
+         paint_set_ramp_stops(paint, values, count);
+         {
+            VGint stopsi[VEGA_MAX_COLOR_RAMP_STOPS];
+            int i = 0;
+            for (i = 0; i < count; ++i) {
+               stopsi[i] = float_to_int_floor(*((VGuint*)(values + i)));
+            }
+            paint_set_ramp_stopsi(paint, stopsi, count);
+         }
+      }
+   }
+      break;
+   case VG_PAINT_LINEAR_GRADIENT: {
+      if (count != 4)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         struct vg_paint *paint = (struct vg_paint *)object;
+         paint_set_linear_gradient(paint, values);
+         {
+            VGint vals[4];
+            vals[0] = FLT_TO_INT(values[0]);
+            vals[1] = FLT_TO_INT(values[1]);
+            vals[2] = FLT_TO_INT(values[2]);
+            vals[3] = FLT_TO_INT(values[3]);
+            paint_set_linear_gradienti(paint, vals);
+         }
+      }
+   }
+      break;
+   case VG_PAINT_RADIAL_GRADIENT: {
+      if (count != 5)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         struct vg_paint *paint = (struct vg_paint *)object;
+         paint_set_radial_gradient(paint, values);
+         {
+            VGint vals[5];
+            vals[0] = FLT_TO_INT(values[0]);
+            vals[1] = FLT_TO_INT(values[1]);
+            vals[2] = FLT_TO_INT(values[2]);
+            vals[3] = FLT_TO_INT(values[3]);
+            vals[4] = FLT_TO_INT(values[4]);
+            paint_set_radial_gradienti(paint, vals);
+         }
+      }
+   }
+      break;
+
+   case VG_PATH_DATATYPE:
+   case VG_PATH_FORMAT:
+   case VG_PATH_SCALE:
+   case VG_PATH_BIAS:
+   case VG_PATH_NUM_SEGMENTS:
+   case VG_PATH_NUM_COORDS:
+
+#ifdef OPENVG_VERSION_1_1
+   case VG_FONT_NUM_GLYPHS:
+      /* read only don't produce an error */
+      break;
+#endif
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+}
+
+void vgSetParameteriv(VGHandle object,
+                      VGint paramType,
+                      VGint count,
+                      const VGint * values)
+{
+   struct vg_context *ctx = vg_current_context();
+   void *ptr = (void*)object;
+   VGint real_count = vgGetParameterVectorSize(object, paramType);
+
+   if (!object || object == VG_INVALID_HANDLE || !is_aligned(ptr)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   if (count < 0 || count < real_count ||
+       (values == NULL && count != 0) ||
+       !is_aligned(values)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   switch(paramType) {
+   case VG_PAINT_TYPE:
+   case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
+   case VG_PAINT_COLOR_RAMP_PREMULTIPLIED:
+   case VG_PAINT_PATTERN_TILING_MODE:
+      if (count != 1)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else
+         vgSetParameteri(object, paramType, values[0]);
+      return;
+      break;
+   case VG_PAINT_COLOR: {
+      if (count != 4)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         struct vg_paint *paint = (struct vg_paint *)object;
+         paint_set_coloriv(paint, values);
+      }
+   }
+      break;
+   case VG_PAINT_COLOR_RAMP_STOPS: {
+      if ((count % 5))
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         VGfloat *vals = 0;
+         int i;
+         struct vg_paint *paint = (struct vg_paint *)object;
+         if (count) {
+            vals = malloc(sizeof(VGfloat)*count);
+            for (i = 0; i < count; ++i)
+               vals[i] = values[i];
+         }
+
+         paint_set_ramp_stopsi(paint, values, count);
+         paint_set_ramp_stops(paint, vals, count);
+         free(vals);
+      }
+   }
+      break;
+   case VG_PAINT_LINEAR_GRADIENT: {
+      if (count != 4)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         VGfloat vals[4];
+         struct vg_paint *paint = (struct vg_paint *)object;
+         vals[0] = values[0];
+         vals[1] = values[1];
+         vals[2] = values[2];
+         vals[3] = values[3];
+         paint_set_linear_gradient(paint, vals);
+         paint_set_linear_gradienti(paint, values);
+      }
+   }
+      break;
+   case VG_PAINT_RADIAL_GRADIENT: {
+      if (count != 5)
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      else {
+         VGfloat vals[5];
+         struct vg_paint *paint = (struct vg_paint *)object;
+         vals[0] = values[0];
+         vals[1] = values[1];
+         vals[2] = values[2];
+         vals[3] = values[3];
+         vals[4] = values[4];
+         paint_set_radial_gradient(paint, vals);
+         paint_set_radial_gradienti(paint, values);
+      }
+   }
+      break;
+   case VG_PATH_DATATYPE:
+   case VG_PATH_FORMAT:
+   case VG_PATH_SCALE:
+   case VG_PATH_BIAS:
+   case VG_PATH_NUM_SEGMENTS:
+   case VG_PATH_NUM_COORDS:
+      /* read only don't produce an error */
+      break;
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+}
+
+VGint vgGetParameterVectorSize(VGHandle object,
+                               VGint paramType)
+{
+   struct vg_context *ctx = vg_current_context();
+   void *ptr = (void*)object;
+
+   if (!ptr || object == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return 0;
+   }
+
+   switch(paramType) {
+   case VG_PAINT_TYPE:
+   case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
+   case VG_PAINT_COLOR_RAMP_PREMULTIPLIED:
+   case VG_PAINT_PATTERN_TILING_MODE:
+      return 1;
+   case VG_PAINT_COLOR:
+      return 4;
+   case VG_PAINT_COLOR_RAMP_STOPS: {
+      struct vg_paint *p = (struct vg_paint *)object;
+      return paint_num_ramp_stops(p);
+   }
+      break;
+   case VG_PAINT_LINEAR_GRADIENT:
+      return 4;
+   case VG_PAINT_RADIAL_GRADIENT:
+      return 5;
+
+
+   case VG_PATH_FORMAT:
+   case VG_PATH_DATATYPE:
+   case VG_PATH_SCALE:
+   case VG_PATH_BIAS:
+   case VG_PATH_NUM_SEGMENTS:
+   case VG_PATH_NUM_COORDS:
+      return 1;
+
+   case VG_IMAGE_FORMAT:
+   case VG_IMAGE_WIDTH:
+   case VG_IMAGE_HEIGHT:
+      return 1;
+
+#ifdef OPENVG_VERSION_1_1
+   case VG_FONT_NUM_GLYPHS:
+      return 1;
+#endif
+
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   }
+   return 0;
+}
+
+
+VGfloat vgGetParameterf(VGHandle object,
+                        VGint paramType)
+{
+   struct vg_context *ctx = vg_current_context();
+   void *ptr = (void*)object;
+
+   if (!ptr || object == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return 0;
+   }
+
+   switch(paramType) {
+   case VG_PAINT_TYPE:
+   case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
+   case VG_PAINT_COLOR_RAMP_PREMULTIPLIED:
+   case VG_PAINT_PATTERN_TILING_MODE:
+      return vgGetParameteri(object, paramType);
+      break;
+   case VG_PAINT_COLOR:
+   case VG_PAINT_COLOR_RAMP_STOPS:
+   case VG_PAINT_LINEAR_GRADIENT:
+   case VG_PAINT_RADIAL_GRADIENT:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+
+   case VG_PATH_FORMAT:
+      return VG_PATH_FORMAT_STANDARD;
+   case VG_PATH_SCALE: {
+      struct path *p = (struct path*)object;
+      return path_scale(p);
+   }
+   case VG_PATH_BIAS: {
+      struct path *p = (struct path*)object;
+      return path_bias(p);
+   }
+   case VG_PATH_DATATYPE:
+   case VG_PATH_NUM_SEGMENTS:
+   case VG_PATH_NUM_COORDS:
+      return vgGetParameteri(object, paramType);
+      break;
+
+   case VG_IMAGE_FORMAT:
+   case VG_IMAGE_WIDTH:
+   case VG_IMAGE_HEIGHT:
+#ifdef OPENVG_VERSION_1_1
+   case VG_FONT_NUM_GLYPHS: 
+      return vgGetParameteri(object, paramType);
+      break;
+#endif
+
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   }
+   return 0;
+}
+
+VGint vgGetParameteri(VGHandle object,
+                      VGint paramType)
+{
+   struct vg_context *ctx = vg_current_context();
+   void *ptr = (void*)object;
+
+   if (!ptr || object == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return 0;
+   }
+
+   switch(paramType) {
+   case VG_PAINT_TYPE: {
+         struct vg_paint *paint = (struct vg_paint *)ptr;
+         return paint_type(paint);
+   }
+      break;
+   case VG_PAINT_COLOR_RAMP_SPREAD_MODE: {
+      struct vg_paint *p = (struct vg_paint *)object;
+      return paint_spread_mode(p);
+   }
+   case VG_PAINT_COLOR_RAMP_PREMULTIPLIED: {
+      struct vg_paint *p = (struct vg_paint *)object;
+      return paint_color_ramp_premultiplied(p);
+   }
+      break;
+   case VG_PAINT_PATTERN_TILING_MODE: {
+      struct vg_paint *p = (struct vg_paint *)object;
+      return paint_pattern_tiling(p);
+   }
+      break;
+   case VG_PAINT_COLOR:
+   case VG_PAINT_COLOR_RAMP_STOPS:
+   case VG_PAINT_LINEAR_GRADIENT:
+   case VG_PAINT_RADIAL_GRADIENT:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+
+   case VG_PATH_FORMAT:
+      return VG_PATH_FORMAT_STANDARD;
+   case VG_PATH_SCALE:
+   case VG_PATH_BIAS:
+      return vgGetParameterf(object, paramType);
+   case VG_PATH_DATATYPE: {
+      struct path *p = (struct path*)object;
+      return path_datatype(p);
+   }
+   case VG_PATH_NUM_SEGMENTS: {
+      struct path *p = (struct path*)object;
+      return path_num_segments(p);
+   }
+   case VG_PATH_NUM_COORDS: {
+      struct path *p = (struct path*)object;
+      return path_num_coords(p);
+   }
+      break;
+
+   case VG_IMAGE_FORMAT: {
+      struct vg_image *img = (struct vg_image*)object;
+      return img->format;
+   }
+      break;
+   case VG_IMAGE_WIDTH: {
+      struct vg_image *img = (struct vg_image*)object;
+      return img->width;
+   }
+      break;
+   case VG_IMAGE_HEIGHT: {
+      struct vg_image *img = (struct vg_image*)object;
+      return img->height;
+   }
+      break;
+
+#ifdef OPENVG_VERSION_1_1
+   case VG_FONT_NUM_GLYPHS: {
+      return 1;
+   }
+      break;
+#endif
+
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   }
+   return 0;
+}
+
+void vgGetParameterfv(VGHandle object,
+                      VGint paramType,
+                      VGint count,
+                      VGfloat * values)
+{
+   struct vg_context *ctx = vg_current_context();
+   void *ptr = (void*)object;
+   VGint real_count = vgGetParameterVectorSize(object, paramType);
+
+   if (!ptr || object == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   if (!values || count <= 0 || count > real_count ||
+       !is_aligned(values)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   switch(paramType) {
+   case VG_PAINT_TYPE: {
+      struct vg_paint *p = (struct vg_paint *)object;
+      values[0] = paint_type(p);
+   }
+      break;
+   case VG_PAINT_COLOR_RAMP_SPREAD_MODE: {
+      struct vg_paint *p = (struct vg_paint *)object;
+      values[0] = paint_spread_mode(p);
+   }
+      break;
+   case VG_PAINT_COLOR_RAMP_PREMULTIPLIED: {
+      struct vg_paint *p = (struct vg_paint *)object;
+      values[0] = paint_color_ramp_premultiplied(p);
+   }
+      break;
+   case VG_PAINT_PATTERN_TILING_MODE: {
+      values[0] = vgGetParameterf(object, paramType);
+   }
+      break;
+   case VG_PAINT_COLOR: {
+      struct vg_paint *paint = (struct vg_paint *)object;
+      paint_get_color(paint, values);
+   }
+      break;
+   case VG_PAINT_COLOR_RAMP_STOPS: {
+      struct vg_paint *paint = (struct vg_paint *)object;
+      paint_ramp_stops(paint, values, count);
+   }
+      break;
+   case VG_PAINT_LINEAR_GRADIENT: {
+      struct vg_paint *paint = (struct vg_paint *)object;
+      paint_linear_gradient(paint, values);
+   }
+      break;
+   case VG_PAINT_RADIAL_GRADIENT: {
+      struct vg_paint *paint = (struct vg_paint *)object;
+      paint_radial_gradient(paint, values);
+   }
+      break;
+
+   case VG_PATH_FORMAT:
+   case VG_PATH_DATATYPE:
+   case VG_PATH_NUM_SEGMENTS:
+   case VG_PATH_NUM_COORDS:
+      values[0] = vgGetParameteri(object, paramType);
+      break;
+   case VG_PATH_SCALE:
+   case VG_PATH_BIAS:
+      values[0] = vgGetParameterf(object, paramType);
+      break;
+
+   case VG_IMAGE_FORMAT:
+   case VG_IMAGE_WIDTH:
+   case VG_IMAGE_HEIGHT:
+#ifdef OPENVG_VERSION_1_1
+   case VG_FONT_NUM_GLYPHS:
+      values[0] = vgGetParameteri(object, paramType);
+      break;
+#endif
+
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   }
+}
+
+void vgGetParameteriv(VGHandle object,
+                      VGint paramType,
+                      VGint count,
+                      VGint * values)
+{
+   struct vg_context *ctx = vg_current_context();
+   void *ptr = (void*)object;
+   VGint real_count = vgGetParameterVectorSize(object, paramType);
+
+   if (!ptr || object == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   if (!values || count <= 0 || count > real_count ||
+       !is_aligned(values)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   switch(paramType) {
+   case VG_PAINT_TYPE:
+   case VG_PAINT_COLOR_RAMP_SPREAD_MODE:
+   case VG_PAINT_COLOR_RAMP_PREMULTIPLIED:
+   case VG_PAINT_PATTERN_TILING_MODE:
+#ifdef OPENVG_VERSION_1_1
+   case VG_FONT_NUM_GLYPHS:
+      values[0] = vgGetParameteri(object, paramType);
+      break;
+#endif
+   case VG_PAINT_COLOR: {
+      struct vg_paint *paint = (struct vg_paint *)object;
+      paint_get_coloriv(paint, values);
+   }
+      break;
+   case VG_PAINT_COLOR_RAMP_STOPS: {
+      struct vg_paint *paint = (struct vg_paint *)object;
+      paint_ramp_stopsi(paint, values, count);
+   }
+      break;
+   case VG_PAINT_LINEAR_GRADIENT: {
+      struct vg_paint *paint = (struct vg_paint *)object;
+      paint_linear_gradienti(paint, values);
+   }
+      break;
+   case VG_PAINT_RADIAL_GRADIENT: {
+      struct vg_paint *paint = (struct vg_paint *)object;
+      paint_radial_gradienti(paint, values);
+   }
+      break;
+
+   case VG_PATH_SCALE:
+   case VG_PATH_BIAS:
+      values[0] = vgGetParameterf(object, paramType);
+      break;
+   case VG_PATH_FORMAT:
+   case VG_PATH_DATATYPE:
+   case VG_PATH_NUM_SEGMENTS:
+   case VG_PATH_NUM_COORDS:
+      values[0] = vgGetParameteri(object, paramType);
+      break;
+
+   case VG_IMAGE_FORMAT:
+   case VG_IMAGE_WIDTH:
+   case VG_IMAGE_HEIGHT:
+      values[0] = vgGetParameteri(object, paramType);
+      break;
+
+   default:
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      break;
+   }
+}