OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 489 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/vega/api_images.c b/src/gallium/state_trackers/vega/api_images.c
new file mode 100644
index 0000000000..c437553bc2
--- /dev/null
+++ b/src/gallium/state_trackers/vega/api_images.c
@@ -0,0 +1,489 @@
+/**************************************************************************
+ *
+ * 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 "image.h"
+
+#include "VG/openvg.h"
+
+#include "vg_context.h"
+#include "vg_translate.h"
+#include "api_consts.h"
+#include "image.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_inlines.h"
+#include "util/u_blit.h"
+#include "util/u_tile.h"
+#include "util/u_memory.h"
+
+static INLINE VGboolean supported_image_format(VGImageFormat format)
+{
+   switch(format) {
+   case VG_sRGBX_8888:
+   case VG_sRGBA_8888:
+   case VG_sRGBA_8888_PRE:
+   case VG_sRGB_565:
+   case VG_sRGBA_5551:
+   case VG_sRGBA_4444:
+   case VG_sL_8:
+   case VG_lRGBX_8888:
+   case VG_lRGBA_8888:
+   case VG_lRGBA_8888_PRE:
+   case VG_lL_8:
+   case VG_A_8:
+   case VG_BW_1:
+#ifdef OPENVG_VERSION_1_1
+   case VG_A_1:
+   case VG_A_4:
+#endif
+   case VG_sXRGB_8888:
+   case VG_sARGB_8888:
+   case VG_sARGB_8888_PRE:
+   case VG_sARGB_1555:
+   case VG_sARGB_4444:
+   case VG_lXRGB_8888:
+   case VG_lARGB_8888:
+   case VG_lARGB_8888_PRE:
+   case VG_sBGRX_8888:
+   case VG_sBGRA_8888:
+   case VG_sBGRA_8888_PRE:
+   case VG_sBGR_565:
+   case VG_sBGRA_5551:
+   case VG_sBGRA_4444:
+   case VG_lBGRX_8888:
+   case VG_lBGRA_8888:
+   case VG_lBGRA_8888_PRE:
+   case VG_sXBGR_8888:
+   case VG_sABGR_8888:
+   case VG_sABGR_8888_PRE:
+   case VG_sABGR_1555:
+   case VG_sABGR_4444:
+   case VG_lXBGR_8888:
+   case VG_lABGR_8888:
+   case VG_lABGR_8888_PRE:
+      return VG_TRUE;
+   default:
+      return VG_FALSE;
+   }
+   return VG_FALSE;
+}
+
+VGImage vgCreateImage(VGImageFormat format,
+                      VGint width, VGint height,
+                      VGbitfield allowedQuality)
+{
+   struct vg_context *ctx = vg_current_context();
+
+   if (!supported_image_format(format)) {
+      vg_set_error(ctx, VG_UNSUPPORTED_IMAGE_FORMAT_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+   if (width <= 0 || height <= 0) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+   if (width > vgGeti(VG_MAX_IMAGE_WIDTH) ||
+       height > vgGeti(VG_MAX_IMAGE_HEIGHT)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+   if (width * height > vgGeti(VG_MAX_IMAGE_PIXELS)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+
+   if (!(allowedQuality & ((VG_IMAGE_QUALITY_NONANTIALIASED |
+                           VG_IMAGE_QUALITY_FASTER |
+                           VG_IMAGE_QUALITY_BETTER)))) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+
+   return (VGImage)image_create(format, width, height);
+}
+
+void vgDestroyImage(VGImage image)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_image *img = (struct vg_image *)image;
+
+   if (image == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+   if (!vg_object_is_valid((void*)image, VG_OBJECT_IMAGE)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+   image_destroy(img);
+}
+
+void vgClearImage(VGImage image,
+                  VGint x, VGint y,
+                  VGint width, VGint height)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_image *img;
+
+   if (image == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+   if (width <= 0 || height <= 0) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   img = (struct vg_image*)image;
+
+   if (x + width < 0 || y + height < 0)
+      return;
+
+   image_clear(img, x, y, width, height);
+
+}
+
+void vgImageSubData(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;
+
+   if (image == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+   if (!supported_image_format(dataFormat)) {
+      vg_set_error(ctx, VG_UNSUPPORTED_IMAGE_FORMAT_ERROR);
+      return;
+   }
+   if (width <= 0 || height <= 0 || !data || !is_aligned(data)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   img = (struct vg_image*)(image);
+   image_sub_data(img, data, dataStride, dataFormat,
+                  x, y, width, height);
+}
+
+void vgGetImageSubData(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;
+
+   if (image == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+   if (!supported_image_format(dataFormat)) {
+      vg_set_error(ctx, VG_UNSUPPORTED_IMAGE_FORMAT_ERROR);
+      return;
+   }
+   if (width <= 0 || height <= 0 || !data || !is_aligned(data)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+   img = (struct vg_image*)image;
+   image_get_sub_data(img, data, dataStride, dataFormat,
+                      x, y, width, height);
+}
+
+VGImage vgChildImage(VGImage parent,
+                     VGint x, VGint y,
+                     VGint width, VGint height)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_image *p;
+
+   if (parent == VG_INVALID_HANDLE ||
+       !vg_context_is_object_valid(ctx, VG_OBJECT_IMAGE, (void*)parent) ||
+       !vg_object_is_valid((void*)parent, VG_OBJECT_IMAGE)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+   if (width <= 0 || height <= 0 || x < 0 || y < 0) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+   p = (struct vg_image *)parent;
+   if (x > p->width  || y > p->height) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+   if (x + width > p->width  || y + height > p->height) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+
+   return (VGImage)image_child_image(p, x, y, width, height);
+}
+
+VGImage vgGetParent(VGImage image)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_image *img;
+
+   if (image == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+
+   img = (struct vg_image*)image;
+   if (img->parent)
+      return (VGImage)img->parent;
+   else
+      return image;
+}
+
+void vgCopyImage(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();
+
+   if (src == VG_INVALID_HANDLE || dst == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   if (width <= 0 || height <= 0) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+   vg_validate_state(ctx);
+   image_copy((struct vg_image*)dst, dx, dy,
+              (struct vg_image*)src, sx, sy,
+              width, height, dither);
+}
+
+void vgDrawImage(VGImage image)
+{
+   struct vg_context *ctx = vg_current_context();
+
+   if (!ctx)
+      return;
+
+   if (image == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   vg_validate_state(ctx);
+   image_draw((struct vg_image*)image);
+}
+
+void vgSetPixels(VGint dx, VGint dy,
+                 VGImage src, VGint sx, VGint sy,
+                 VGint width, VGint height)
+{
+   struct vg_context *ctx = vg_current_context();
+
+   vg_validate_state(ctx);
+
+   if (src == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+   if (width <= 0 || height <= 0) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+   image_set_pixels(dx, dy, (struct vg_image*)src, sx, sy, width,
+                    height);
+}
+
+void vgGetPixels(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;
+
+   if (dst == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+   if (width <= 0 || height <= 0) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   img = (struct vg_image*)dst;
+
+   image_get_pixels(img, dx, dy,
+                    sx, sy, width, height);
+}
+
+void vgWritePixels(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;
+
+   if (!supported_image_format(dataFormat)) {
+      vg_set_error(ctx, VG_UNSUPPORTED_IMAGE_FORMAT_ERROR);
+      return;
+   }
+   if (!data || !is_aligned(data)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+   if (width <= 0 || height <= 0) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   vg_validate_state(ctx);
+   {
+      struct vg_image *img = image_create(dataFormat, width, height);
+      image_sub_data(img, data, dataStride, dataFormat, 0, 0,
+                     width, height);
+#if 0
+      struct matrix *matrix = &ctx->state.vg.image_user_to_surface_matrix;
+      matrix_translate(matrix, dx, dy);
+      image_draw(img);
+      matrix_translate(matrix, -dx, -dy);
+#else
+      /* this looks like a better approach */
+      image_set_pixels(dx, dy, img, 0, 0, width, height);
+#endif
+      image_destroy(img);
+   }
+   /* make sure rendering has completed */
+   pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+}
+
+void vgReadPixels(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;
+   struct pipe_screen *screen = pipe->screen;
+
+   struct st_framebuffer *stfb = ctx->draw_buffer;
+   struct st_renderbuffer *strb = stfb->strb;
+   struct pipe_framebuffer_state *fb = &ctx->state.g3d.fb;
+
+   VGfloat temp[VEGA_MAX_IMAGE_WIDTH][4];
+   VGfloat *df = (VGfloat*)temp;
+   VGint y = (fb->height - sy) - 1, yStep = -1;
+   VGint i;
+   VGubyte *dst = (VGubyte *)data;
+   VGint xoffset = 0, yoffset = 0;
+
+   if (!supported_image_format(dataFormat)) {
+      vg_set_error(ctx, VG_UNSUPPORTED_IMAGE_FORMAT_ERROR);
+      return;
+   }
+   if (!data || !is_aligned(data)) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+   if (width <= 0 || height <= 0) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   /* make sure rendering has completed */
+   pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+   if (sx < 0) {
+      xoffset = -sx;
+      xoffset *= _vega_size_for_format(dataFormat);
+      width += sx;
+      sx = 0;
+   }
+   if (sy < 0) {
+      yoffset = -sy;
+      height += sy;
+      sy = 0;
+      y = (fb->height - sy) - 1;
+      yoffset *= dataStride;
+   }
+
+   {
+      struct pipe_transfer *transfer;
+
+      transfer = screen->get_tex_transfer(screen, strb->texture,  0, 0, 0,
+                                          PIPE_TRANSFER_READ,
+                                          0, 0, width, height);
+
+      /* Do a row at a time to flip image data vertically */
+      for (i = 0; i < height; i++) {
+#if 0
+         debug_printf("%d-%d  == %d\n", sy, height, y);
+#endif
+         pipe_get_tile_rgba(transfer, sx, y, width, 1, df);
+         y += yStep;
+         _vega_pack_rgba_span_float(ctx, width, temp, dataFormat,
+                                    dst + yoffset + xoffset);
+         dst += dataStride;
+      }
+
+      screen->tex_transfer_destroy(transfer);
+   }
+}
+
+void vgCopyPixels(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;
+   struct st_renderbuffer *strb = ctx->draw_buffer->strb;
+
+   if (width <= 0 || height <= 0) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   /* do nothing if we copy from outside the fb */
+   if (dx >= (VGint)fb->width || dy >= (VGint)fb->height ||
+       sx >= (VGint)fb->width || sy >= (VGint)fb->height)
+      return;
+
+   vg_validate_state(ctx);
+   /* make sure rendering has completed */
+   vgFinish();
+
+   vg_copy_surface(ctx, strb->surface, dx, dy,
+                   strb->surface, sx, sy, width, height);
+}