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authorZack Rusin <zackr@vmware.com>2009-05-01 12:41:38 -0400
committerZack Rusin <zackr@vmware.com>2009-05-01 12:51:59 -0400
commit544dd4b11f7be76bb00fe29a60eaf2772dcc69ca (patch)
tree5aafdef60cc47ba38dd3aa1de57322d257093f7a /src/gallium/state_trackers/vega/image.c
parentfbceedd2dee967b426ee187205941c6506769ea5 (diff)
OpenVG 1.0 State Tracker
Import of the OpenVG 1.0 state tracker for Gallium.
Diffstat (limited to 'src/gallium/state_trackers/vega/image.c')
-rw-r--r--src/gallium/state_trackers/vega/image.c654
1 files changed, 654 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/image.c b/src/gallium/state_trackers/vega/image.c
new file mode 100644
index 0000000000..9a722980d5
--- /dev/null
+++ b/src/gallium/state_trackers/vega/image.c
@@ -0,0 +1,654 @@
+/**************************************************************************
+ *
+ * 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_translate.h"
+#include "vg_context.h"
+#include "matrix.h"
+#include "renderer.h"
+#include "util_array.h"
+#include "api_consts.h"
+#include "shaders_cache.h"
+#include "shader.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"
+#include "util/u_math.h"
+
+static enum pipe_format vg_format_to_pipe(VGImageFormat format)
+{
+ switch(format) {
+ case VG_sRGB_565:
+ return PIPE_FORMAT_R5G6B5_UNORM;
+ case VG_sRGBA_5551:
+ return PIPE_FORMAT_A1R5G5B5_UNORM;
+ case VG_sRGBA_4444:
+ return PIPE_FORMAT_A4R4G4B4_UNORM;
+ case VG_sL_8:
+ case VG_lL_8:
+ return PIPE_FORMAT_L8_UNORM;
+ case VG_BW_1:
+ return PIPE_FORMAT_A8R8G8B8_UNORM;
+ case VG_A_8:
+ return PIPE_FORMAT_A8_UNORM;
+#ifdef OPENVG_VERSION_1_1
+ case VG_A_1:
+ case VG_A_4:
+ return PIPE_FORMAT_A8_UNORM;
+#endif
+ default:
+ return PIPE_FORMAT_A8R8G8B8_UNORM;
+ }
+}
+
+static INLINE void vg_sync_size(VGfloat *src_loc, VGfloat *dst_loc)
+{
+ src_loc[2] = MIN2(src_loc[2], dst_loc[2]);
+ src_loc[3] = MIN2(src_loc[3], dst_loc[3]);
+ dst_loc[2] = src_loc[2];
+ dst_loc[3] = src_loc[3];
+}
+
+
+static void vg_copy_texture(struct vg_context *ctx,
+ struct pipe_texture *dst, VGint dx, VGint dy,
+ struct pipe_texture *src, VGint sx, VGint sy,
+ VGint width, VGint height)
+{
+ VGfloat dst_loc[4], src_loc[4];
+ VGfloat dst_bounds[4], src_bounds[4];
+ VGfloat src_shift[4], dst_shift[4], shift[4];
+
+ dst_loc[0] = dx;
+ dst_loc[1] = dy;
+ dst_loc[2] = width;
+ dst_loc[3] = height;
+ dst_bounds[0] = 0.f;
+ dst_bounds[1] = 0.f;
+ dst_bounds[2] = dst->width[0];
+ dst_bounds[3] = dst->height[0];
+
+ src_loc[0] = sx;
+ src_loc[1] = sy;
+ src_loc[2] = width;
+ src_loc[3] = height;
+ src_bounds[0] = 0.f;
+ src_bounds[1] = 0.f;
+ src_bounds[2] = src->width[0];
+ src_bounds[3] = src->height[0];
+
+ vg_bound_rect(src_loc, src_bounds, src_shift);
+ vg_bound_rect(dst_loc, dst_bounds, dst_shift);
+ shift[0] = src_shift[0] - dst_shift[0];
+ shift[1] = src_shift[1] - dst_shift[1];
+
+ if (shift[0] < 0)
+ vg_shift_rectx(src_loc, src_bounds, -shift[0]);
+ else
+ vg_shift_rectx(dst_loc, dst_bounds, shift[0]);
+
+ if (shift[1] < 0)
+ vg_shift_recty(src_loc, src_bounds, -shift[1]);
+ else
+ vg_shift_recty(dst_loc, dst_bounds, shift[1]);
+
+ vg_sync_size(src_loc, dst_loc);
+
+ if (src_loc[2] >= 0 && src_loc[3] >= 0 &&
+ dst_loc[2] >= 0 && dst_loc[3] >= 0) {
+ renderer_copy_texture(ctx->renderer,
+ src,
+ src_loc[0],
+ src_loc[1] + src_loc[3],
+ src_loc[0] + src_loc[2],
+ src_loc[1],
+ dst,
+ dst_loc[0],
+ dst_loc[1] + dst_loc[3],
+ dst_loc[0] + dst_loc[2],
+ dst_loc[1]);
+ }
+
+}
+
+void vg_copy_surface(struct vg_context *ctx,
+ struct pipe_surface *dst, VGint dx, VGint dy,
+ struct pipe_surface *src, VGint sx, VGint sy,
+ VGint width, VGint height)
+{
+ VGfloat dst_loc[4], src_loc[4];
+ VGfloat dst_bounds[4], src_bounds[4];
+ VGfloat src_shift[4], dst_shift[4], shift[4];
+
+ dst_loc[0] = dx;
+ dst_loc[1] = dy;
+ dst_loc[2] = width;
+ dst_loc[3] = height;
+ dst_bounds[0] = 0.f;
+ dst_bounds[1] = 0.f;
+ dst_bounds[2] = dst->width;
+ dst_bounds[3] = dst->height;
+
+ src_loc[0] = sx;
+ src_loc[1] = sy;
+ src_loc[2] = width;
+ src_loc[3] = height;
+ src_bounds[0] = 0.f;
+ src_bounds[1] = 0.f;
+ src_bounds[2] = src->width;
+ src_bounds[3] = src->height;
+
+ vg_bound_rect(src_loc, src_bounds, src_shift);
+ vg_bound_rect(dst_loc, dst_bounds, dst_shift);
+ shift[0] = src_shift[0] - dst_shift[0];
+ shift[1] = src_shift[1] - dst_shift[1];
+
+ if (shift[0] < 0)
+ vg_shift_rectx(src_loc, src_bounds, -shift[0]);
+ else
+ vg_shift_rectx(dst_loc, dst_bounds, shift[0]);
+
+ if (shift[1] < 0)
+ vg_shift_recty(src_loc, src_bounds, -shift[1]);
+ else
+ vg_shift_recty(dst_loc, dst_bounds, shift[1]);
+
+ vg_sync_size(src_loc, dst_loc);
+
+ if (src_loc[2] > 0 && src_loc[3] > 0 &&
+ dst_loc[2] > 0 && dst_loc[3] > 0) {
+ if (src == dst)
+ renderer_copy_surface(ctx->renderer,
+ src,
+ src_loc[0],
+ src->height - (src_loc[1] + src_loc[3]),
+ src_loc[0] + src_loc[2],
+ src->height - src_loc[1],
+ dst,
+ dst_loc[0],
+ dst->height - (dst_loc[1] + dst_loc[3]),
+ dst_loc[0] + dst_loc[2],
+ dst->height - dst_loc[1],
+ 0, 0);
+ else
+ renderer_copy_surface(ctx->renderer,
+ src,
+ src_loc[0],
+ src->height - src_loc[1],
+ src_loc[0] + src_loc[2],
+ src->height - (src_loc[1] + src_loc[3]),
+ dst,
+ dst_loc[0],
+ dst->height - (dst_loc[1] + dst_loc[3]),
+ dst_loc[0] + dst_loc[2],
+ dst->height - dst_loc[1],
+ 0, 0);
+ }
+
+}
+
+static struct pipe_texture *image_texture(struct vg_image *img)
+{
+ struct pipe_texture *tex = img->texture;
+ return tex;
+}
+
+
+static void image_cleari(struct vg_image *img, VGint clear_colori,
+ VGint x, VGint y, VGint width, VGint height)
+{
+ VGint *clearbuf;
+ VGint i;
+ VGfloat dwidth, dheight;
+
+ clearbuf = malloc(sizeof(VGint)*width*height);
+ for (i = 0; i < width*height; ++i)
+ clearbuf[i] = clear_colori;
+
+ dwidth = MIN2(width, img->width);
+ dheight = MIN2(height, img->height);
+
+ image_sub_data(img, clearbuf, width * sizeof(VGint),
+ VG_sRGBA_8888,
+ x, y, dwidth, dheight);
+ free(clearbuf);
+}
+
+struct vg_image * image_create(VGImageFormat format,
+ VGint width, VGint height)
+{
+ struct vg_context *ctx = vg_current_context();
+ struct vg_image *image = CALLOC_STRUCT(vg_image);
+ enum pipe_format pformat = vg_format_to_pipe(format);
+ struct pipe_texture pt, *newtex;
+ struct pipe_screen *screen = ctx->pipe->screen;
+
+ vg_init_object(&image->base, ctx, VG_OBJECT_IMAGE);
+
+ image->format = format;
+ image->width = width;
+ image->height = height;
+
+ image->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ image->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ image->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ image->sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
+ image->sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
+ image->sampler.normalized_coords = 1;
+
+ assert(screen->is_format_supported(screen, pformat, PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_SAMPLER, 0));
+
+ memset(&pt, 0, sizeof(pt));
+ pt.target = PIPE_TEXTURE_2D;
+ pt.format = pformat;
+ pf_get_block(pformat, &pt.block);
+ pt.last_level = 0;
+ pt.width[0] = width;
+ pt.height[0] = height;
+ pt.depth[0] = 1;
+ pt.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER;
+
+ newtex = screen->texture_create(screen, &pt);
+
+ debug_assert(newtex);
+
+ image->texture = newtex;
+
+ vg_context_add_object(ctx, VG_OBJECT_IMAGE, image);
+
+ image_cleari(image, 0, 0, 0, image->width, image->height);
+ return image;
+}
+
+void image_destroy(struct vg_image *img)
+{
+ struct vg_context *ctx = vg_current_context();
+ vg_context_remove_object(ctx, VG_OBJECT_IMAGE, img);
+
+
+ if (img->parent) {
+ /* remove img from the parent child array */
+ int idx;
+ struct vg_image **array =
+ (struct vg_image **)img->parent->children_array->data;
+
+ for (idx = 0; idx < img->parent->children_array->num_elements; ++idx) {
+ struct vg_image *child = array[idx];
+ if (child == img) {
+ break;
+ }
+ }
+ debug_assert(idx < img->parent->children_array->num_elements);
+ array_remove_element(img->parent->children_array, idx);
+ }
+
+ if (img->children_array && img->children_array->num_elements) {
+ /* reparent the children */
+ VGint i;
+ struct vg_image *parent = img->parent;
+ struct vg_image **children =
+ (struct vg_image **)img->children_array->data;
+ if (!parent) {
+ VGint min_x = children[0]->x;
+ parent = children[0];
+
+ for (i = 1; i < img->children_array->num_elements; ++i) {
+ struct vg_image *child = children[i];
+ if (child->x < min_x) {
+ parent = child;
+ }
+ }
+ }
+
+ for (i = 0; i < img->children_array->num_elements; ++i) {
+ struct vg_image *child = children[i];
+ if (child != parent) {
+ child->parent = parent;
+ if (!parent->children_array) {
+ parent->children_array = array_create(
+ sizeof(struct vg_image*));
+ }
+ array_append_data(parent->children_array,
+ &child, 1);
+ } else
+ child->parent = NULL;
+ }
+ array_destroy(img->children_array);
+ }
+
+ pipe_texture_reference(&img->texture, NULL);
+ free(img);
+}
+
+void image_clear(struct vg_image *img,
+ VGint x, VGint y, VGint width, VGint height)
+{
+ struct vg_context *ctx = vg_current_context();
+ VGfloat *clear_colorf = ctx->state.vg.clear_color;
+ VGubyte r, g, b ,a;
+ VGint clear_colori;
+ /* FIXME: this is very nasty */
+ r = float_to_ubyte(clear_colorf[0]);
+ g = float_to_ubyte(clear_colorf[1]);
+ b = float_to_ubyte(clear_colorf[2]);
+ a = float_to_ubyte(clear_colorf[3]);
+ clear_colori = r << 24 | g << 16 | b << 8 | a;
+ image_cleari(img, clear_colori, x, y, width, height);
+}
+
+void image_sub_data(struct vg_image *image,
+ const void * data,
+ VGint dataStride,
+ VGImageFormat dataFormat,
+ VGint x, VGint y,
+ VGint width, VGint height)
+{
+ const VGint yStep = 1;
+ VGubyte *src = (VGubyte *)data;
+ VGfloat temp[VEGA_MAX_IMAGE_WIDTH][4];
+ VGfloat *df = (VGfloat*)temp;
+ VGint i;
+ struct vg_context *ctx = vg_current_context();
+ struct pipe_screen *screen = ctx->pipe->screen;
+ struct pipe_texture *texture = image_texture(image);
+ VGint xoffset = 0, yoffset = 0;
+
+ if (x < 0) {
+ xoffset -= x;
+ width += x;
+ x = 0;
+ }
+ if (y < 0) {
+ yoffset -= y;
+ height += y;
+ y = 0;
+ }
+
+ if (width <= 0 || height <= 0) {
+ vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+ return;
+ }
+
+ if (x > image->width || y > image->width) {
+ vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+ return;
+ }
+
+ if (x + width > image->width) {
+ width = image->width - x;
+ }
+
+ if (y + height > image->height) {
+ height = image->height - y;
+ }
+
+ { /* upload color_data */
+ struct pipe_transfer *transfer = screen->get_tex_transfer(
+ screen, texture, 0, 0, 0,
+ PIPE_TRANSFER_WRITE, 0, 0, texture->width[0], texture->height[0]);
+ src += (dataStride * yoffset);
+ for (i = 0; i < height; i++) {
+ _vega_unpack_float_span_rgba(ctx, width, xoffset, src, dataFormat, temp);
+ pipe_put_tile_rgba(transfer, x+image->x, y+image->y, width, 1, df);
+ y += yStep;
+ src += dataStride;
+ }
+ screen->tex_transfer_destroy(transfer);
+ }
+}
+
+void image_get_sub_data(struct vg_image * image,
+ 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;
+ VGfloat temp[VEGA_MAX_IMAGE_WIDTH][4];
+ VGfloat *df = (VGfloat*)temp;
+ VGint y = 0, yStep = 1;
+ VGint i;
+ VGubyte *dst = (VGubyte *)data;
+
+ {
+ struct pipe_transfer *transfer =
+ screen->get_tex_transfer(screen,
+ image->texture, 0, 0, 0,
+ PIPE_TRANSFER_READ,
+ 0, 0,
+ image->x + image->width,
+ image->y + image->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+image->x, y, width, 1, df);
+ y += yStep;
+ _vega_pack_rgba_span_float(ctx, width, temp, dataFormat, dst);
+ dst += dataStride;
+ }
+
+ screen->tex_transfer_destroy(transfer);
+ }
+}
+
+struct vg_image * image_child_image(struct vg_image *parent,
+ VGint x, VGint y,
+ VGint width, VGint height)
+{
+ struct vg_context *ctx = vg_current_context();
+ struct vg_image *image = CALLOC_STRUCT(vg_image);
+
+ vg_init_object(&image->base, ctx, VG_OBJECT_IMAGE);
+
+ image->x = parent->x + x;
+ image->y = parent->y + y;
+ image->width = width;
+ image->height = height;
+ image->parent = parent;
+ image->texture = 0;
+ pipe_texture_reference(&image->texture,
+ parent->texture);
+
+ image->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ image->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ image->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ image->sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
+ image->sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
+ image->sampler.normalized_coords = 1;
+
+ if (!parent->children_array)
+ parent->children_array = array_create(
+ sizeof(struct vg_image*));
+
+ array_append_data(parent->children_array,
+ &image, 1);
+
+ vg_context_add_object(ctx, VG_OBJECT_IMAGE, image);
+
+ return image;
+}
+
+void image_copy(struct vg_image *dst, VGint dx, VGint dy,
+ struct vg_image *src, VGint sx, VGint sy,
+ VGint width, VGint height,
+ VGboolean dither)
+{
+ struct vg_context *ctx = vg_current_context();
+
+ if (width <= 0 || height <= 0) {
+ vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+ return;
+ }
+ /* make sure rendering has completed */
+ ctx->pipe->flush(ctx->pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+ vg_copy_texture(ctx, dst->texture, dst->x + dx, dst->y + dy,
+ src->texture, src->x + sx, src->y + sy, width, height);
+}
+
+void image_draw(struct vg_image *img)
+{
+ struct vg_context *ctx = vg_current_context();
+ VGfloat x1, y1;
+ VGfloat x2, y2;
+ VGfloat x3, y3;
+ VGfloat x4, y4;
+ struct matrix *matrix;
+
+ x1 = 0;
+ y1 = 0;
+ x2 = img->width;
+ y2 = 0;
+ x3 = img->width;
+ y3 = img->height;
+ x4 = 0;
+ y4 = img->height;
+
+ matrix = &ctx->state.vg.image_user_to_surface_matrix;
+
+ matrix_map_point(matrix, x1, y1, &x1, &y1);
+ matrix_map_point(matrix, x2, y2, &x2, &y2);
+ matrix_map_point(matrix, x3, y3, &x3, &y3);
+ matrix_map_point(matrix, x4, y4, &x4, &y4);
+
+ shader_set_drawing_image(ctx->shader, VG_TRUE);
+ shader_set_paint(ctx->shader, ctx->state.vg.fill_paint);
+ shader_set_image(ctx->shader, img);
+ shader_bind(ctx->shader);
+
+ renderer_texture_quad(ctx->renderer, image_texture(img),
+ img->x, img->y, img->x + img->width, img->y + img->height,
+ x1, y1, x2, y2, x3, y3, x4, y4);
+}
+
+void image_set_pixels(VGint dx, VGint dy,
+ struct vg_image *src, 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 pipe_surface *surf;
+ struct st_renderbuffer *strb = ctx->draw_buffer->strb;
+
+ /* make sure rendering has completed */
+ pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+ surf = screen->get_tex_surface(screen, image_texture(src), 0, 0, 0,
+ PIPE_BUFFER_USAGE_GPU_READ);
+
+ vg_copy_surface(ctx, strb->surface, dx, dy,
+ surf, sx+src->x, sy+src->y, width, height);
+
+ screen->tex_surface_destroy(surf);
+}
+
+void image_get_pixels(struct vg_image *dst, VGint dx, VGint dy,
+ 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 pipe_surface *surf;
+ struct st_renderbuffer *strb = ctx->draw_buffer->strb;
+
+ /* flip the y coordinates */
+ /*dy = dst->height - dy - height;*/
+
+ /* make sure rendering has completed */
+ pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+ surf = screen->get_tex_surface(screen, image_texture(dst), 0, 0, 0,
+ PIPE_BUFFER_USAGE_GPU_WRITE |
+ PIPE_BUFFER_USAGE_GPU_READ);
+ vg_copy_surface(ctx, surf, dst->x + dx, dst->y + dy,
+ strb->surface, sx, sy, width, height);
+
+ pipe_surface_reference(&surf, NULL);
+}
+
+
+VGboolean vg_image_overlaps(struct vg_image *dst,
+ struct vg_image *src)
+{
+ if (dst == src || dst->parent == src ||
+ dst == src->parent)
+ return VG_TRUE;
+ if (dst->parent && dst->parent == src->parent) {
+ VGfloat left1 = dst->x;
+ VGfloat left2 = src->x;
+ VGfloat right1 = dst->x + dst->width;
+ VGfloat right2 = src->x + src->width;
+ VGfloat bottom1 = dst->y;
+ VGfloat bottom2 = src->y;
+ VGfloat top1 = dst->y + dst->height;
+ VGfloat top2 = src->y + src->height;
+
+ return !(left2 > right1 || right2 < left1 ||
+ top2 > bottom1 || bottom2 < top1);
+ }
+ return VG_FALSE;
+}
+
+VGint image_bind_samplers(struct vg_image *img, struct pipe_sampler_state **samplers,
+ struct pipe_texture **textures)
+{
+ img->sampler.min_img_filter = image_sampler_filter(img->base.ctx);
+ img->sampler.mag_img_filter = image_sampler_filter(img->base.ctx);
+ samplers[3] = &img->sampler;
+ textures[3] = img->texture;
+ return 1;
+}
+
+VGint image_sampler_filter(struct vg_context *ctx)
+{
+ switch(ctx->state.vg.image_quality) {
+ case VG_IMAGE_QUALITY_NONANTIALIASED:
+ return PIPE_TEX_FILTER_NEAREST;
+ break;
+ case VG_IMAGE_QUALITY_FASTER:
+ return PIPE_TEX_FILTER_NEAREST;
+ break;
+ case VG_IMAGE_QUALITY_BETTER:
+ /*return PIPE_TEX_FILTER_ANISO;*/
+ return PIPE_TEX_FILTER_LINEAR;
+ break;
+ default:
+ debug_printf("Unknown image quality");
+ }
+ return PIPE_TEX_FILTER_NEAREST;
+}