st/vega: Use vgapi.

Rename vgFooBar to vegaFooBar and use vgapi as the dispatcher.  This
makes sure there is always a current context when the internal functions
are called.  And eglGetProcAddress is finally supported.

17 files changed, 396 insertions, 235 deletions

diff --git a/configure.ac b/configure.ac
index 4f37e16e3f0..dd5581a21d3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1315,6 +1315,9 @@ yes)
             # mesa/es is required to build es state tracker
             CORE_DIRS="$CORE_DIRS mesa/es"
             ;;
+        vega)
+            CORE_DIRS="$CORE_DIRS mapi/vgapi"
+            ;;
         esac
     done
     GALLIUM_STATE_TRACKERS_DIRS="$state_trackers"
diff --git a/src/gallium/state_trackers/vega/Makefile b/src/gallium/state_trackers/vega/Makefile
index b871990cd9a..f6c80899ffc 100644
--- a/src/gallium/state_trackers/vega/Makefile
+++ b/src/gallium/state_trackers/vega/Makefile
@@ -13,6 +13,7 @@ VG_TINY = 0
 ### Lists of source files, included by Makefiles
 
 VG_SOURCES = \
+           api.c           \
            api_context.c   \
            api_filters.c   \
            api_images.c    \
@@ -42,13 +43,14 @@ VG_SOURCES = \
 
 VG_OBJECTS = $(VG_SOURCES:.c=.o)
 
-VG_LIBS = $(GALLIUM_AUXILIARIES)
+VG_LIBS = $(GALLIUM_AUXILIARIES) $(TOP)/src/mapi/vgapi/libvgapi.a
 VG_LIB_DEPS = $(EXTRA_LIB_PATH) -lm
 
 ### Include directories
 
 INCLUDE_DIRS = \
 	-I$(TOP)/include \
+	-I$(TOP)/src/mapi \
 	-I$(TOP)/src/gallium/include \
 	-I$(TOP)/src/gallium/auxiliary
 
diff --git a/src/gallium/state_trackers/vega/api.c b/src/gallium/state_trackers/vega/api.c
new file mode 100644
index 00000000000..bf1d37493af
--- /dev/null
+++ b/src/gallium/state_trackers/vega/api.c
@@ -0,0 +1,88 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Chia-I Wu <[email protected]>
+ */
+
+#include "mapi/mapi.h"
+
+#include "api.h"
+
+static const char vega_spec[] =
+   "1"
+#define MAPI_ABI_ENTRY(ret, name, params) \
+   "\0" #name "\0"
+#define MAPI_ALIAS_ENTRY(alias, ret, name, params) \
+   #name "\0"
+#include "vgapi/vgapi_tmp.h"
+   "\0";
+
+static const mapi_proc vega_procs[] = {
+#define MAPI_ABI_ENTRY(ret, name, params) \
+   (mapi_proc) vega ## name,
+#include "vgapi/vgapi_tmp.h"
+};
+
+static void api_init(void)
+{
+   static boolean initialized = FALSE;
+   if (!initialized) {
+      mapi_init(vega_spec);
+      initialized = TRUE;
+   }
+}
+
+struct mapi_table *api_create_dispatch(void)
+{
+   struct mapi_table *tbl;
+
+   api_init();
+
+   tbl = mapi_table_create();
+   if (tbl)
+      mapi_table_fill(tbl, vega_procs);
+
+   return tbl;
+}
+
+void api_destroy_dispatch(struct mapi_table *tbl)
+{
+   mapi_table_destroy(tbl);
+}
+
+void api_make_dispatch_current(const struct mapi_table *tbl)
+{
+   mapi_table_make_current(tbl);
+}
+
+mapi_proc api_get_proc_address(const char *proc_name)
+{
+   if (!proc_name || proc_name[0] != 'v' || proc_name[1] != 'g')
+      return NULL;
+   proc_name += 2;
+
+   api_init();
+   return mapi_get_proc_address(proc_name);
+}
diff --git a/src/gallium/state_trackers/vega/api.h b/src/gallium/state_trackers/vega/api.h
new file mode 100644
index 00000000000..955508dae9a
--- /dev/null
+++ b/src/gallium/state_trackers/vega/api.h
@@ -0,0 +1,51 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Chia-I Wu <[email protected]>
+ */
+
+#ifndef API_H
+#define API_H
+
+#include "VG/openvg.h"
+#include "VG/vgext.h"
+#include "vg_manager.h"
+
+/* declare the prototypes */
+#define MAPI_ABI_ENTRY(ret, name, params) \
+   ret VG_API_ENTRY vega ## name params;
+#include "vgapi/vgapi_tmp.h"
+
+struct mapi_table;
+
+struct mapi_table *api_create_dispatch(void);
+
+void api_destroy_dispatch(struct mapi_table *tbl);
+
+void api_make_dispatch_current(const struct mapi_table *tbl);
+
+st_proc_t api_get_proc_address(const char *proc_name);
+
+#endif /* API_H */
diff --git a/src/gallium/state_trackers/vega/api_context.c b/src/gallium/state_trackers/vega/api_context.c
index eb2fbe26e7f..0d04d8e8718 100644
--- a/src/gallium/state_trackers/vega/api_context.c
+++ b/src/gallium/state_trackers/vega/api_context.c
@@ -28,11 +28,12 @@
 
 #include "vg_manager.h"
 #include "vg_context.h"
+#include "api.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_screen.h"
 
-VGErrorCode vgGetError(void)
+VGErrorCode vegaGetError(void)
 {
    struct vg_context *ctx = vg_current_context();
    VGErrorCode error = VG_NO_CONTEXT_ERROR;
@@ -46,7 +47,7 @@ VGErrorCode vgGetError(void)
    return error;
 }
 
-void vgFlush(void)
+void vegaFlush(void)
 {
    struct vg_context *ctx = vg_current_context();
    struct pipe_context *pipe;
@@ -60,7 +61,7 @@ void vgFlush(void)
    vg_manager_flush_frontbuffer(ctx);
 }
 
-void vgFinish(void)
+void vegaFinish(void)
 {
    struct vg_context *ctx = vg_current_context();
    struct pipe_fence_handle *fence = NULL;
diff --git a/src/gallium/state_trackers/vega/api_filters.c b/src/gallium/state_trackers/vega/api_filters.c
index b1c08af9382..144fb8f323d 100644
--- a/src/gallium/state_trackers/vega/api_filters.c
+++ b/src/gallium/state_trackers/vega/api_filters.c
@@ -28,6 +28,7 @@
 
 #include "vg_context.h"
 #include "image.h"
+#include "api.h"
 #include "renderer.h"
 #include "shaders_cache.h"
 #include "st_inlines.h"
@@ -361,8 +362,8 @@ static void execute_filter(struct vg_context *ctx,
    pipe_surface_reference(&dst_surf, NULL);
 }
 
-void vgColorMatrix(VGImage dst, VGImage src,
-                   const VGfloat * matrix)
+void vegaColorMatrix(VGImage dst, VGImage src,
+                     const VGfloat * matrix)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *d, *s;
@@ -403,13 +404,13 @@ static VGfloat texture_offset(VGfloat width, VGint kernelSize, VGint current, VG
    return diff / width;
 }
 
-void vgConvolve(VGImage dst, VGImage src,
-                VGint kernelWidth, VGint kernelHeight,
-                VGint shiftX, VGint shiftY,
-                const VGshort * kernel,
-                VGfloat scale,
-                VGfloat bias,
-                VGTilingMode tilingMode)
+void vegaConvolve(VGImage dst, VGImage src,
+                  VGint kernelWidth, VGint kernelHeight,
+                  VGint shiftX, VGint shiftY,
+                  const VGshort * kernel,
+                  VGfloat scale,
+                  VGfloat bias,
+                  VGTilingMode tilingMode)
 {
    struct vg_context *ctx = vg_current_context();
    VGfloat *buffer;
@@ -508,15 +509,15 @@ void vgConvolve(VGImage dst, VGImage src,
    free(buffer);
 }
 
-void vgSeparableConvolve(VGImage dst, VGImage src,
-                         VGint kernelWidth,
-                         VGint kernelHeight,
-                         VGint shiftX, VGint shiftY,
-                         const VGshort * kernelX,
-                         const VGshort * kernelY,
-                         VGfloat scale,
-                         VGfloat bias,
-                         VGTilingMode tilingMode)
+void vegaSeparableConvolve(VGImage dst, VGImage src,
+                           VGint kernelWidth,
+                           VGint kernelHeight,
+                           VGint shiftX, VGint shiftY,
+                           const VGshort * kernelX,
+                           const VGshort * kernelY,
+                           VGfloat scale,
+                           VGfloat bias,
+                           VGTilingMode tilingMode)
 {
    struct vg_context *ctx = vg_current_context();
    VGshort *kernel;
@@ -600,10 +601,10 @@ static void compute_gaussian_kernel(VGfloat *kernel,
    }
 }
 
-void vgGaussianBlur(VGImage dst, VGImage src,
-                    VGfloat stdDeviationX,
-                    VGfloat stdDeviationY,
-                    VGTilingMode tilingMode)
+void vegaGaussianBlur(VGImage dst, VGImage src,
+                      VGfloat stdDeviationX,
+                      VGfloat stdDeviationY,
+                      VGTilingMode tilingMode)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *d, *s;
@@ -699,13 +700,13 @@ void vgGaussianBlur(VGImage dst, VGImage src,
    free(kernel);
 }
 
-void vgLookup(VGImage dst, VGImage src,
-              const VGubyte * redLUT,
-              const VGubyte * greenLUT,
-              const VGubyte * blueLUT,
-              const VGubyte * alphaLUT,
-              VGboolean outputLinear,
-              VGboolean outputPremultiplied)
+void vegaLookup(VGImage dst, VGImage src,
+                const VGubyte * redLUT,
+                const VGubyte * greenLUT,
+                const VGubyte * blueLUT,
+                const VGubyte * alphaLUT,
+                VGboolean outputLinear,
+                VGboolean outputPremultiplied)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *d, *s;
@@ -758,11 +759,11 @@ void vgLookup(VGImage dst, VGImage src,
    pipe_sampler_view_reference(&lut_texture_view, NULL);
 }
 
-void vgLookupSingle(VGImage dst, VGImage src,
-                    const VGuint * lookupTable,
-                    VGImageChannel sourceChannel,
-                    VGboolean outputLinear,
-                    VGboolean outputPremultiplied)
+void vegaLookupSingle(VGImage dst, VGImage src,
+                      const VGuint * lookupTable,
+                      VGImageChannel sourceChannel,
+                      VGboolean outputLinear,
+                      VGboolean outputPremultiplied)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *d, *s;
diff --git a/src/gallium/state_trackers/vega/api_images.c b/src/gallium/state_trackers/vega/api_images.c
index 6c7fd3b346c..547508f815a 100644
--- a/src/gallium/state_trackers/vega/api_images.c
+++ b/src/gallium/state_trackers/vega/api_images.c
@@ -32,6 +32,7 @@
 #include "vg_translate.h"
 #include "api_consts.h"
 #include "image.h"
+#include "api.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_screen.h"
@@ -92,9 +93,9 @@ static INLINE VGboolean supported_image_format(VGImageFormat format)
    return VG_FALSE;
 }
 
-VGImage vgCreateImage(VGImageFormat format,
-                      VGint width, VGint height,
-                      VGbitfield allowedQuality)
+VGImage vegaCreateImage(VGImageFormat format,
+                        VGint width, VGint height,
+                        VGbitfield allowedQuality)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -126,7 +127,7 @@ VGImage vgCreateImage(VGImageFormat format,
    return (VGImage)image_create(format, width, height);
 }
 
-void vgDestroyImage(VGImage image)
+void vegaDestroyImage(VGImage image)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *img = (struct vg_image *)image;
@@ -142,9 +143,9 @@ void vgDestroyImage(VGImage image)
    image_destroy(img);
 }
 
-void vgClearImage(VGImage image,
-                  VGint x, VGint y,
-                  VGint width, VGint height)
+void vegaClearImage(VGImage image,
+                    VGint x, VGint y,
+                    VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *img;
@@ -167,12 +168,12 @@ void vgClearImage(VGImage image,
 
 }
 
-void vgImageSubData(VGImage image,
-                    const void * data,
-                    VGint dataStride,
-                    VGImageFormat dataFormat,
-                    VGint x, VGint y,
-                    VGint width, VGint height)
+void vegaImageSubData(VGImage image,
+                      const void * data,
+                      VGint dataStride,
+                      VGImageFormat dataFormat,
+                      VGint x, VGint y,
+                      VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *img;
@@ -195,12 +196,12 @@ void vgImageSubData(VGImage image,
                   x, y, width, height);
 }
 
-void vgGetImageSubData(VGImage image,
-                       void * data,
-                       VGint dataStride,
-                       VGImageFormat dataFormat,
-                       VGint x, VGint y,
-                       VGint width, VGint height)
+void vegaGetImageSubData(VGImage image,
+                         void * data,
+                         VGint dataStride,
+                         VGImageFormat dataFormat,
+                         VGint x, VGint y,
+                         VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *img;
@@ -222,9 +223,9 @@ void vgGetImageSubData(VGImage image,
                       x, y, width, height);
 }
 
-VGImage vgChildImage(VGImage parent,
-                     VGint x, VGint y,
-                     VGint width, VGint height)
+VGImage vegaChildImage(VGImage parent,
+                       VGint x, VGint y,
+                       VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *p;
@@ -252,7 +253,7 @@ VGImage vgChildImage(VGImage parent,
    return (VGImage)image_child_image(p, x, y, width, height);
 }
 
-VGImage vgGetParent(VGImage image)
+VGImage vegaGetParent(VGImage image)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *img;
@@ -269,10 +270,10 @@ VGImage vgGetParent(VGImage image)
       return image;
 }
 
-void vgCopyImage(VGImage dst, VGint dx, VGint dy,
-                 VGImage src, VGint sx, VGint sy,
-                 VGint width, VGint height,
-                 VGboolean dither)
+void vegaCopyImage(VGImage dst, VGint dx, VGint dy,
+                   VGImage src, VGint sx, VGint sy,
+                   VGint width, VGint height,
+                   VGboolean dither)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -291,7 +292,7 @@ void vgCopyImage(VGImage dst, VGint dx, VGint dy,
               width, height, dither);
 }
 
-void vgDrawImage(VGImage image)
+void vegaDrawImage(VGImage image)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -307,9 +308,9 @@ void vgDrawImage(VGImage image)
    image_draw((struct vg_image*)image);
 }
 
-void vgSetPixels(VGint dx, VGint dy,
-                 VGImage src, VGint sx, VGint sy,
-                 VGint width, VGint height)
+void vegaSetPixels(VGint dx, VGint dy,
+                   VGImage src, VGint sx, VGint sy,
+                   VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -327,9 +328,9 @@ void vgSetPixels(VGint dx, VGint dy,
                     height);
 }
 
-void vgGetPixels(VGImage dst, VGint dx, VGint dy,
-                 VGint sx, VGint sy,
-                 VGint width, VGint height)
+void vegaGetPixels(VGImage dst, VGint dx, VGint dy,
+                   VGint sx, VGint sy,
+                   VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_image *img;
@@ -349,10 +350,10 @@ void vgGetPixels(VGImage dst, VGint dx, VGint dy,
                     sx, sy, width, height);
 }
 
-void vgWritePixels(const void * data, VGint dataStride,
-                   VGImageFormat dataFormat,
-                   VGint dx, VGint dy,
-                   VGint width, VGint height)
+void vegaWritePixels(const void * data, VGint dataStride,
+                     VGImageFormat dataFormat,
+                     VGint dx, VGint dy,
+                     VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct pipe_context *pipe = ctx->pipe;
@@ -390,10 +391,10 @@ void vgWritePixels(const void * data, VGint dataStride,
    pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
 }
 
-void vgReadPixels(void * data, VGint dataStride,
-                  VGImageFormat dataFormat,
-                  VGint sx, VGint sy,
-                  VGint width, VGint height)
+void vegaReadPixels(void * data, VGint dataStride,
+                    VGImageFormat dataFormat,
+                    VGint sx, VGint sy,
+                    VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct pipe_context *pipe = ctx->pipe;
@@ -461,9 +462,9 @@ void vgReadPixels(void * data, VGint dataStride,
    }
 }
 
-void vgCopyPixels(VGint dx, VGint dy,
-                  VGint sx, VGint sy,
-                  VGint width, VGint height)
+void vegaCopyPixels(VGint dx, VGint dy,
+                    VGint sx, VGint sy,
+                    VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct pipe_framebuffer_state *fb = &ctx->state.g3d.fb;
diff --git a/src/gallium/state_trackers/vega/api_masks.c b/src/gallium/state_trackers/vega/api_masks.c
index 7c28ea5c872..94c1ff5375f 100644
--- a/src/gallium/state_trackers/vega/api_masks.c
+++ b/src/gallium/state_trackers/vega/api_masks.c
@@ -28,6 +28,7 @@
 
 #include "mask.h"
 #include "renderer.h"
+#include "api.h"
 
 #include "vg_context.h"
 #include "pipe/p_context.h"
@@ -37,7 +38,6 @@
 #include "util/u_draw_quad.h"
 #include "util/u_memory.h"
 
-
 #define DISABLE_1_1_MASKING 1
 
 /**
@@ -151,9 +151,9 @@ clear_with_quad(struct vg_context *st, float x0, float y0,
 }
 
 
-void vgMask(VGHandle mask, VGMaskOperation operation,
-            VGint x, VGint y,
-            VGint width, VGint height)
+void vegaMask(VGHandle mask, VGMaskOperation operation,
+              VGint x, VGint y,
+              VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -189,8 +189,8 @@ void vgMask(VGHandle mask, VGMaskOperation operation,
    }
 }
 
-void vgClear(VGint x, VGint y,
-             VGint width, VGint height)
+void vegaClear(VGint x, VGint y,
+               VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct pipe_framebuffer_state *fb;
@@ -225,9 +225,9 @@ void vgClear(VGint x, VGint y,
 #ifdef OPENVG_VERSION_1_1
 
 
-void vgRenderToMask(VGPath path,
-                    VGbitfield paintModes,
-                    VGMaskOperation operation)
+void vegaRenderToMask(VGPath path,
+                      VGbitfield paintModes,
+                      VGMaskOperation operation)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -258,7 +258,7 @@ void vgRenderToMask(VGPath path,
    mask_render_to((struct path *)path, paintModes, operation);
 }
 
-VGMaskLayer vgCreateMaskLayer(VGint width, VGint height)
+VGMaskLayer vegaCreateMaskLayer(VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -272,7 +272,7 @@ VGMaskLayer vgCreateMaskLayer(VGint width, VGint height)
    return (VGMaskLayer)mask_layer_create(width, height);
 }
 
-void vgDestroyMaskLayer(VGMaskLayer maskLayer)
+void vegaDestroyMaskLayer(VGMaskLayer maskLayer)
 {
    struct vg_mask_layer *mask = 0;
    struct vg_context *ctx = vg_current_context();
@@ -290,10 +290,10 @@ void vgDestroyMaskLayer(VGMaskLayer maskLayer)
    mask_layer_destroy(mask);
 }
 
-void vgFillMaskLayer(VGMaskLayer maskLayer,
-                     VGint x, VGint y,
-                     VGint width, VGint height,
-                     VGfloat value)
+void vegaFillMaskLayer(VGMaskLayer maskLayer,
+                       VGint x, VGint y,
+                       VGint width, VGint height,
+                       VGfloat value)
 {
    struct vg_mask_layer *mask = 0;
    struct vg_context *ctx = vg_current_context();
@@ -336,10 +336,10 @@ void vgFillMaskLayer(VGMaskLayer maskLayer,
    mask_layer_fill(mask, x, y, width, height, value);
 }
 
-void vgCopyMask(VGMaskLayer maskLayer,
-                VGint sx, VGint sy,
-                VGint dx, VGint dy,
-                VGint width, VGint height)
+void vegaCopyMask(VGMaskLayer maskLayer,
+                  VGint sx, VGint sy,
+                  VGint dx, VGint dy,
+                  VGint width, VGint height)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_mask_layer *mask = 0;
diff --git a/src/gallium/state_trackers/vega/api_misc.c b/src/gallium/state_trackers/vega/api_misc.c
index 78ba0bc1103..e648549745b 100644
--- a/src/gallium/state_trackers/vega/api_misc.c
+++ b/src/gallium/state_trackers/vega/api_misc.c
@@ -27,10 +27,11 @@
 #include "VG/openvg.h"
 
 #include "vg_context.h"
+#include "api.h"
 
 /* Hardware Queries */
-VGHardwareQueryResult vgHardwareQuery(VGHardwareQueryType key,
-                                      VGint setting)
+VGHardwareQueryResult vegaHardwareQuery(VGHardwareQueryType key,
+                                        VGint setting)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -58,7 +59,7 @@ VGHardwareQueryResult vgHardwareQuery(VGHardwareQueryType key,
 }
 
 /* Renderer and Extension Information */
-const VGubyte *vgGetString(VGStringID name)
+const VGubyte *vegaGetString(VGStringID name)
 {
    struct vg_context *ctx = vg_current_context();
    static const VGubyte *vendor = (VGubyte *)"Tungsten Graphics, Inc";
diff --git a/src/gallium/state_trackers/vega/api_paint.c b/src/gallium/state_trackers/vega/api_paint.c
index dd3ac5bdb09..d88341b04ff 100644
--- a/src/gallium/state_trackers/vega/api_paint.c
+++ b/src/gallium/state_trackers/vega/api_paint.c
@@ -29,13 +29,14 @@
 #include "vg_context.h"
 #include "paint.h"
 #include "image.h"
+#include "api.h"
 
-VGPaint vgCreatePaint(void)
+VGPaint vegaCreatePaint(void)
 {
    return (VGPaint) paint_create(vg_current_context());
 }
 
-void vgDestroyPaint(VGPaint p)
+void vegaDestroyPaint(VGPaint p)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_paint *paint;
@@ -49,7 +50,7 @@ void vgDestroyPaint(VGPaint p)
    paint_destroy(paint);
 }
 
-void vgSetPaint(VGPaint paint, VGbitfield paintModes)
+void vegaSetPaint(VGPaint paint, VGbitfield paintModes)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -74,7 +75,7 @@ void vgSetPaint(VGPaint paint, VGbitfield paintModes)
    }
 }
 
-VGPaint vgGetPaint(VGPaintMode paintMode)
+VGPaint vegaGetPaint(VGPaintMode paintMode)
 {
    struct vg_context *ctx = vg_current_context();
    VGPaint paint = VG_INVALID_HANDLE;
@@ -95,7 +96,7 @@ VGPaint vgGetPaint(VGPaintMode paintMode)
    return paint;
 }
 
-void vgSetColor(VGPaint paint, VGuint rgba)
+void vegaSetColor(VGPaint paint, VGuint rgba)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -114,7 +115,7 @@ void vgSetColor(VGPaint paint, VGuint rgba)
    }
 }
 
-VGuint vgGetColor(VGPaint paint)
+VGuint vegaGetColor(VGPaint paint)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_paint *p;
@@ -134,7 +135,7 @@ VGuint vgGetColor(VGPaint paint)
    return paint_colori(p);
 }
 
-void vgPaintPattern(VGPaint paint, VGImage pattern)
+void vegaPaintPattern(VGPaint paint, VGImage pattern)
 {
    struct vg_context *ctx = vg_current_context();
 
diff --git a/src/gallium/state_trackers/vega/api_params.c b/src/gallium/state_trackers/vega/api_params.c
index db77fd9cb05..a10b009e631 100644
--- a/src/gallium/state_trackers/vega/api_params.c
+++ b/src/gallium/state_trackers/vega/api_params.c
@@ -32,6 +32,7 @@
 #include "image.h"
 #include "matrix.h"
 #include "api_consts.h"
+#include "api.h"
 
 #include "pipe/p_compiler.h"
 #include "util/u_pointer.h"
@@ -63,7 +64,7 @@ static INLINE VGboolean count_in_bounds(VGParamType type, VGint count)
    }
 }
 
-void vgSetf (VGParamType type, VGfloat value)
+void vegaSetf (VGParamType type, VGfloat value)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_state *state = current_state();
@@ -123,7 +124,7 @@ void vgSetf (VGParamType type, VGfloat value)
    vg_set_error(ctx, error);
 }
 
-void vgSeti (VGParamType type, VGint value)
+void vegaSeti (VGParamType type, VGint value)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_state *state = current_state();
@@ -254,8 +255,8 @@ void vgSeti (VGParamType type, VGint value)
    vg_set_error(ctx, error);
 }
 
-void vgSetfv(VGParamType type, VGint count,
-             const VGfloat * values)
+void vegaSetfv(VGParamType type, VGint count,
+               const VGfloat * values)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_state *state = current_state();
@@ -382,8 +383,8 @@ void vgSetfv(VGParamType type, VGint count,
    vg_set_error(ctx, error);
 }
 
-void vgSetiv(VGParamType type, VGint count,
-             const VGint * values)
+void vegaSetiv(VGParamType type, VGint count,
+               const VGint * values)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_state *state = current_state();
@@ -506,7 +507,7 @@ void vgSetiv(VGParamType type, VGint count,
    }
 }
 
-VGfloat vgGetf(VGParamType type)
+VGfloat vegaGetf(VGParamType type)
 {
    struct vg_context *ctx = vg_current_context();
    const struct vg_state *state = current_state();
@@ -568,7 +569,7 @@ VGfloat vgGetf(VGParamType type)
    return value;
 }
 
-VGint vgGeti(VGParamType type)
+VGint vegaGeti(VGParamType type)
 {
    const struct vg_state *state = current_state();
    struct vg_context *ctx = vg_current_context();
@@ -683,7 +684,7 @@ VGint vgGeti(VGParamType type)
    return value;
 }
 
-VGint vgGetVectorSize(VGParamType type)
+VGint vegaGetVectorSize(VGParamType type)
 {
    struct vg_context *ctx = vg_current_context();
    const struct vg_state *state = current_state();
@@ -757,8 +758,8 @@ VGint vgGetVectorSize(VGParamType type)
    }
 }
 
-void vgGetfv(VGParamType type, VGint count,
-             VGfloat * values)
+void vegaGetfv(VGParamType type, VGint count,
+               VGfloat * values)
 {
    const struct vg_state *state = current_state();
    struct vg_context *ctx = vg_current_context();
@@ -858,8 +859,8 @@ void vgGetfv(VGParamType type, VGint count,
    }
 }
 
-void vgGetiv(VGParamType type, VGint count,
-             VGint * values)
+void vegaGetiv(VGParamType type, VGint count,
+               VGint * values)
 {
    const struct vg_state *state = current_state();
    struct vg_context *ctx = vg_current_context();
@@ -964,9 +965,9 @@ void vgGetiv(VGParamType type, VGint count,
    }
 }
 
-void vgSetParameterf(VGHandle object,
-                     VGint paramType,
-                     VGfloat value)
+void vegaSetParameterf(VGHandle object,
+                       VGint paramType,
+                       VGfloat value)
 {
    struct vg_context *ctx = vg_current_context();
    void *ptr = (void*)object;
@@ -1018,9 +1019,9 @@ void vgSetParameterf(VGHandle object,
    }
 }
 
-void vgSetParameteri(VGHandle object,
-                     VGint paramType,
-                     VGint value)
+void vegaSetParameteri(VGHandle object,
+                       VGint paramType,
+                       VGint value)
 {
    struct vg_context *ctx = vg_current_context();
    void *ptr = (void*)object;
@@ -1093,10 +1094,10 @@ void vgSetParameteri(VGHandle object,
    }
 }
 
-void vgSetParameterfv(VGHandle object,
-                      VGint paramType,
-                      VGint count,
-                      const VGfloat * values)
+void vegaSetParameterfv(VGHandle object,
+                        VGint paramType,
+                        VGint count,
+                        const VGfloat * values)
 {
    struct vg_context *ctx = vg_current_context();
    void *ptr = (void*)object;
@@ -1206,10 +1207,10 @@ void vgSetParameterfv(VGHandle object,
    }
 }
 
-void vgSetParameteriv(VGHandle object,
-                      VGint paramType,
-                      VGint count,
-                      const VGint * values)
+void vegaSetParameteriv(VGHandle object,
+                        VGint paramType,
+                        VGint count,
+                        const VGint * values)
 {
    struct vg_context *ctx = vg_current_context();
    void *ptr = (void*)object;
@@ -1311,8 +1312,8 @@ void vgSetParameteriv(VGHandle object,
    }
 }
 
-VGint vgGetParameterVectorSize(VGHandle object,
-                               VGint paramType)
+VGint vegaGetParameterVectorSize(VGHandle object,
+                                 VGint paramType)
 {
    struct vg_context *ctx = vg_current_context();
    void *ptr = (void*)object;
@@ -1367,8 +1368,8 @@ VGint vgGetParameterVectorSize(VGHandle object,
 }
 
 
-VGfloat vgGetParameterf(VGHandle object,
-                        VGint paramType)
+VGfloat vegaGetParameterf(VGHandle object,
+                          VGint paramType)
 {
    struct vg_context *ctx = vg_current_context();
    void *ptr = (void*)object;
@@ -1424,8 +1425,8 @@ VGfloat vgGetParameterf(VGHandle object,
    return 0;
 }
 
-VGint vgGetParameteri(VGHandle object,
-                      VGint paramType)
+VGint vegaGetParameteri(VGHandle object,
+                        VGint paramType)
 {
    struct vg_context *ctx = vg_current_context();
    void *ptr = (void*)object;
@@ -1511,10 +1512,10 @@ VGint vgGetParameteri(VGHandle object,
    return 0;
 }
 
-void vgGetParameterfv(VGHandle object,
-                      VGint paramType,
-                      VGint count,
-                      VGfloat * values)
+void vegaGetParameterfv(VGHandle object,
+                        VGint paramType,
+                        VGint count,
+                        VGfloat * values)
 {
    struct vg_context *ctx = vg_current_context();
    void *ptr = (void*)object;
@@ -1598,10 +1599,10 @@ void vgGetParameterfv(VGHandle object,
    }
 }
 
-void vgGetParameteriv(VGHandle object,
-                      VGint paramType,
-                      VGint count,
-                      VGint * values)
+void vegaGetParameteriv(VGHandle object,
+                        VGint paramType,
+                        VGint count,
+                        VGint * values)
 {
    struct vg_context *ctx = vg_current_context();
    void *ptr = (void*)object;
diff --git a/src/gallium/state_trackers/vega/api_path.c b/src/gallium/state_trackers/vega/api_path.c
index 58ebb3b60ea..6c9a2e8d658 100644
--- a/src/gallium/state_trackers/vega/api_path.c
+++ b/src/gallium/state_trackers/vega/api_path.c
@@ -30,17 +30,18 @@
 #include "path.h"
 #include "polygon.h"
 #include "paint.h"
+#include "api.h"
 
 #include "pipe/p_context.h"
 #include "util/u_inlines.h"
 #include "util/u_draw_quad.h"
 
-VGPath vgCreatePath(VGint pathFormat,
-                    VGPathDatatype datatype,
-                    VGfloat scale, VGfloat bias,
-                    VGint segmentCapacityHint,
-                    VGint coordCapacityHint,
-                    VGbitfield capabilities)
+VGPath vegaCreatePath(VGint pathFormat,
+                      VGPathDatatype datatype,
+                      VGfloat scale, VGfloat bias,
+                      VGint segmentCapacityHint,
+                      VGint coordCapacityHint,
+                      VGbitfield capabilities)
 {
    struct vg_context *ctx = vg_current_context();
 
@@ -63,7 +64,7 @@ VGPath vgCreatePath(VGint pathFormat,
                               capabilities);
 }
 
-void vgClearPath(VGPath path, VGbitfield capabilities)
+void vegaClearPath(VGPath path, VGbitfield capabilities)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *p = 0;
@@ -77,7 +78,7 @@ void vgClearPath(VGPath path, VGbitfield capabilities)
    path_clear(p, capabilities);
 }
 
-void vgDestroyPath(VGPath p)
+void vegaDestroyPath(VGPath p)
 {
    struct path *path = 0;
    struct vg_context *ctx = vg_current_context();
@@ -91,8 +92,8 @@ void vgDestroyPath(VGPath p)
    path_destroy(path);
 }
 
-void vgRemovePathCapabilities(VGPath path,
-                              VGbitfield capabilities)
+void vegaRemovePathCapabilities(VGPath path,
+                                VGbitfield capabilities)
 {
    struct vg_context *ctx = vg_current_context();
    VGbitfield current;
@@ -109,7 +110,7 @@ void vgRemovePathCapabilities(VGPath path,
                              (~(capabilities & VG_PATH_CAPABILITY_ALL))));
 }
 
-VGbitfield vgGetPathCapabilities(VGPath path)
+VGbitfield vegaGetPathCapabilities(VGPath path)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *p = 0;
@@ -122,7 +123,7 @@ VGbitfield vgGetPathCapabilities(VGPath path)
    return path_capabilities(p);
 }
 
-void vgAppendPath(VGPath dstPath, VGPath srcPath)
+void vegaAppendPath(VGPath dstPath, VGPath srcPath)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *src, *dst;
@@ -142,10 +143,10 @@ void vgAppendPath(VGPath dstPath, VGPath srcPath)
    path_append_path(dst, src);
 }
 
-void vgAppendPathData(VGPath dstPath,
-                      VGint numSegments,
-                      const VGubyte * pathSegments,
-                      const void * pathData)
+void vegaAppendPathData(VGPath dstPath,
+                        VGint numSegments,
+                        const VGubyte * pathSegments,
+                        const void * pathData)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *p = 0;
@@ -185,10 +186,10 @@ void vgAppendPathData(VGPath dstPath,
    path_append_data(p, numSegments, pathSegments, pathData);
 }
 
-void vgModifyPathCoords(VGPath dstPath,
-                        VGint startIndex,
-                        VGint numSegments,
-                        const void * pathData)
+void vegaModifyPathCoords(VGPath dstPath,
+                          VGint startIndex,
+                          VGint numSegments,
+                          const void * pathData)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *p = 0;
@@ -220,7 +221,7 @@ void vgModifyPathCoords(VGPath dstPath,
    path_modify_coords(p, startIndex, numSegments, pathData);
 }
 
-void vgTransformPath(VGPath dstPath, VGPath srcPath)
+void vegaTransformPath(VGPath dstPath, VGPath srcPath)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *src = 0, *dst = 0;
@@ -240,10 +241,10 @@ void vgTransformPath(VGPath dstPath, VGPath srcPath)
    path_transform(dst, src);
 }
 
-VGboolean vgInterpolatePath(VGPath dstPath,
-                            VGPath startPath,
-                            VGPath endPath,
-                            VGfloat amount)
+VGboolean vegaInterpolatePath(VGPath dstPath,
+                              VGPath startPath,
+                              VGPath endPath,
+                              VGfloat amount)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *start = 0, *dst = 0, *end = 0;
@@ -269,9 +270,9 @@ VGboolean vgInterpolatePath(VGPath dstPath,
                            start, end, amount);
 }
 
-VGfloat vgPathLength(VGPath path,
-                     VGint startSegment,
-                     VGint numSegments)
+VGfloat vegaPathLength(VGPath path,
+                       VGint startSegment,
+                       VGint numSegments)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *p = 0;
@@ -302,13 +303,13 @@ VGfloat vgPathLength(VGPath path,
    return path_length(p, startSegment, numSegments);
 }
 
-void vgPointAlongPath(VGPath path,
-                      VGint startSegment,
-                      VGint numSegments,
-                      VGfloat distance,
-                      VGfloat * x, VGfloat * y,
-                      VGfloat * tangentX,
-                      VGfloat * tangentY)
+void vegaPointAlongPath(VGPath path,
+                        VGint startSegment,
+                        VGint numSegments,
+                        VGfloat distance,
+                        VGfloat * x, VGfloat * y,
+                        VGfloat * tangentX,
+                        VGfloat * tangentY)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *p = 0;
@@ -362,11 +363,11 @@ void vgPointAlongPath(VGPath path,
    }
 }
 
-void vgPathBounds(VGPath path,
-                  VGfloat * minX,
-                  VGfloat * minY,
-                  VGfloat * width,
-                  VGfloat * height)
+void vegaPathBounds(VGPath path,
+                    VGfloat * minX,
+                    VGfloat * minY,
+                    VGfloat * width,
+                    VGfloat * height)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *p = 0;
@@ -399,11 +400,11 @@ void vgPathBounds(VGPath path,
    path_bounding_rect(p, minX, minY, width, height);
 }
 
-void vgPathTransformedBounds(VGPath path,
-                             VGfloat * minX,
-                             VGfloat * minY,
-                             VGfloat * width,
-                             VGfloat * height)
+void vegaPathTransformedBounds(VGPath path,
+                               VGfloat * minX,
+                               VGfloat * minY,
+                               VGfloat * width,
+                               VGfloat * height)
 {
    struct vg_context *ctx = vg_current_context();
    struct path *p = 0;
@@ -466,7 +467,7 @@ void vgPathTransformedBounds(VGPath path,
 }
 
 
-void vgDrawPath(VGPath path, VGbitfield paintModes)
+void vegaDrawPath(VGPath path, VGbitfield paintModes)
 {
    struct vg_context *ctx = vg_current_context();
 
diff --git a/src/gallium/state_trackers/vega/api_text.c b/src/gallium/state_trackers/vega/api_text.c
index d8411cf3e87..b35f3be90ab 100644
--- a/src/gallium/state_trackers/vega/api_text.c
+++ b/src/gallium/state_trackers/vega/api_text.c
@@ -27,6 +27,7 @@
 #include "VG/openvg.h"
 
 #include "vg_context.h"
+#include "api.h"
 
 #include "util/u_memory.h"
 
@@ -39,7 +40,7 @@ struct vg_font {
    VGint num_glyphs;
 };
 
-VGFont vgCreateFont(VGint glyphCapacityHint)
+VGFont vegaCreateFont(VGint glyphCapacityHint)
 {
    struct vg_font *font = 0;
    struct vg_context *ctx = vg_current_context();
@@ -55,7 +56,7 @@ VGFont vgCreateFont(VGint glyphCapacityHint)
    return (VGFont)font;
 }
 
-void vgDestroyFont(VGFont f)
+void vegaDestroyFont(VGFont f)
 {
    struct vg_font *font = (struct vg_font *)f;
    struct vg_context *ctx = vg_current_context();
@@ -69,12 +70,12 @@ void vgDestroyFont(VGFont f)
    /*free(font);*/
 }
 
-void vgSetGlyphToPath(VGFont font,
-                      VGuint glyphIndex,
-                      VGPath path,
-                      VGboolean isHinted,
-                      VGfloat glyphOrigin [2],
-                      VGfloat escapement[2])
+void vegaSetGlyphToPath(VGFont font,
+                        VGuint glyphIndex,
+                        VGPath path,
+                        VGboolean isHinted,
+                        VGfloat glyphOrigin [2],
+                        VGfloat escapement[2])
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_object *pathObj;
@@ -106,11 +107,11 @@ void vgSetGlyphToPath(VGFont font,
    ++f->num_glyphs;
 }
 
-void vgSetGlyphToImage(VGFont font,
-                       VGuint glyphIndex,
-                       VGImage image,
-                       VGfloat glyphOrigin [2],
-                       VGfloat escapement[2])
+void vegaSetGlyphToImage(VGFont font,
+                         VGuint glyphIndex,
+                         VGImage image,
+                         VGfloat glyphOrigin [2],
+                         VGfloat escapement[2])
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_object *img_obj;
@@ -153,8 +154,8 @@ static INLINE VGboolean font_contains_glyph(struct vg_font *font,
    return VG_FALSE;
 }
 
-void vgClearGlyph(VGFont font,
-                  VGuint glyphIndex)
+void vegaClearGlyph(VGFont font,
+                    VGuint glyphIndex)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_font *f;
@@ -184,10 +185,10 @@ void vgClearGlyph(VGFont font,
    }
 }
 
-void vgDrawGlyph(VGFont font,
-                 VGuint glyphIndex,
-                 VGbitfield paintModes,
-                 VGboolean allowAutoHinting)
+void vegaDrawGlyph(VGFont font,
+                   VGuint glyphIndex,
+                   VGbitfield paintModes,
+                   VGboolean allowAutoHinting)
 {
    struct vg_context *ctx = vg_current_context();
    struct vg_font *f;
@@ -211,13 +212,13 @@ void vgDrawGlyph(VGFont font,
    }
 }
 
-void vgDrawGlyphs(VGFont font,
-                  VGint glyphCount,
-                  VGuint *glyphIndices,
-                  VGfloat *adjustments_x,
-                  VGfloat *adjustments_y,
-                  VGbitfield paintModes,
-                  VGboolean allowAutoHinting)
+void vegaDrawGlyphs(VGFont font,
+                    VGint glyphCount,
+                    VGuint *glyphIndices,
+                    VGfloat *adjustments_x,
+                    VGfloat *adjustments_y,
+                    VGbitfield paintModes,
+                    VGboolean allowAutoHinting)
 {
    struct vg_context *ctx = vg_current_context();
    VGint i;
diff --git a/src/gallium/state_trackers/vega/api_transform.c b/src/gallium/state_trackers/vega/api_transform.c
index 763a5ec415c..0a40fc69b95 100644
--- a/src/gallium/state_trackers/vega/api_transform.c
+++ b/src/gallium/state_trackers/vega/api_transform.c
@@ -29,15 +29,16 @@
 #include "vg_context.h"
 
 #include "matrix.h"
+#include "api.h"
 
-void vgLoadIdentity(void)
+void vegaLoadIdentity(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)
+void vegaLoadMatrix(const VGfloat * m)
 {
    struct vg_context *ctx = vg_current_context();
    struct  matrix *mat;
@@ -59,7 +60,7 @@ void vgLoadMatrix(const VGfloat * m)
    }
 }
 
-void vgGetMatrix(VGfloat * m)
+void vegaGetMatrix(VGfloat * m)
 {
    struct vg_context *ctx = vg_current_context();
    struct matrix *mat;
@@ -76,7 +77,7 @@ void vgGetMatrix(VGfloat * m)
    memcpy(m, mat->m, sizeof(VGfloat)*9);
 }
 
-void vgMultMatrix(const VGfloat * m)
+void vegaMultMatrix(const VGfloat * m)
 {
    struct vg_context *ctx = vg_current_context();
    struct matrix *dst, src;
@@ -99,28 +100,28 @@ void vgMultMatrix(const VGfloat * m)
 
 }
 
-void vgTranslate(VGfloat tx, VGfloat ty)
+void vegaTranslate(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)
+void vegaScale(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)
+void vegaShear(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)
+void vegaRotate(VGfloat angle)
 {
    struct vg_context *ctx = vg_current_context();
    struct matrix *dst = vg_state_matrix(&ctx->state.vg);
diff --git a/src/gallium/state_trackers/vega/vg_context.c b/src/gallium/state_trackers/vega/vg_context.c
index 1a8952ce34a..f6b07f2109f 100644
--- a/src/gallium/state_trackers/vega/vg_context.c
+++ b/src/gallium/state_trackers/vega/vg_context.c
@@ -33,6 +33,7 @@
 #include "asm_util.h"
 #include "st_inlines.h"
 #include "vg_manager.h"
+#include "api.h"
 
 #include "pipe/p_context.h"
 #include "util/u_inlines.h"
@@ -67,6 +68,7 @@ static void init_clear(struct vg_context *st)
 void vg_set_current_context(struct vg_context *ctx)
 {
    _vg_context = ctx;
+   api_make_dispatch_current((ctx) ? ctx->dispatch : NULL);
 }
 
 struct vg_context * vg_create_context(struct pipe_context *pipe,
@@ -80,6 +82,8 @@ struct vg_context * vg_create_context(struct pipe_context *pipe,
 
    ctx->pipe = pipe;
 
+   ctx->dispatch = api_create_dispatch();
+
    vg_init_state(&ctx->state.vg);
    ctx->state.dirty = ALL_DIRTY;
 
@@ -185,6 +189,8 @@ void vg_destroy_context(struct vg_context *ctx)
    cso_hash_delete(ctx->owned_objects[VG_OBJECT_FONT]);
    cso_hash_delete(ctx->owned_objects[VG_OBJECT_PATH]);
 
+   api_destroy_dispatch(ctx->dispatch);
+
    free(ctx);
 }
 
diff --git a/src/gallium/state_trackers/vega/vg_context.h b/src/gallium/state_trackers/vega/vg_context.h
index dac67192a54..7b59ad512a0 100644
--- a/src/gallium/state_trackers/vega/vg_context.h
+++ b/src/gallium/state_trackers/vega/vg_context.h
@@ -42,6 +42,7 @@ struct renderer;
 struct shaders_cache;
 struct shader;
 struct vg_shader;
+struct mapi_table;
 
 struct st_renderbuffer {
    enum pipe_format   format;
@@ -90,6 +91,7 @@ enum dirty_state {
 struct vg_context
 {
    struct st_context_iface iface;
+   struct mapi_table *dispatch;
 
    struct pipe_context *pipe;
 
diff --git a/src/gallium/state_trackers/vega/vg_manager.c b/src/gallium/state_trackers/vega/vg_manager.c
index aecac28e7ee..9671bbed6cf 100644
--- a/src/gallium/state_trackers/vega/vg_manager.c
+++ b/src/gallium/state_trackers/vega/vg_manager.c
@@ -40,6 +40,7 @@
 #include "vg_context.h"
 #include "image.h"
 #include "mask.h"
+#include "api.h"
 
 static struct pipe_resource *
 create_texture(struct pipe_context *pipe, enum pipe_format format,
@@ -536,8 +537,7 @@ vg_api_is_visual_supported(struct st_api *stapi,
 static st_proc_t
 vg_api_get_proc_address(struct st_api *stapi, const char *procname)
 {
-   /* TODO */
-   return (st_proc_t) NULL;
+   return api_get_proc_address(procname);
 }
 
 static void