summaryrefslogtreecommitdiff
path: root/src/gallium/state_trackers/vega/polygon.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/state_trackers/vega/polygon.c')
-rw-r--r--src/gallium/state_trackers/vega/polygon.c351
1 files changed, 0 insertions, 351 deletions
diff --git a/src/gallium/state_trackers/vega/polygon.c b/src/gallium/state_trackers/vega/polygon.c
deleted file mode 100644
index 37f96d48347..00000000000
--- a/src/gallium/state_trackers/vega/polygon.c
+++ /dev/null
@@ -1,351 +0,0 @@
-/**************************************************************************
- *
- * 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 "polygon.h"
-
-#include "matrix.h" /*for floatsEqual*/
-#include "vg_context.h"
-#include "vg_state.h"
-#include "renderer.h"
-#include "util_array.h"
-#include "VG/openvg.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "pipe/p_state.h"
-#include "util/u_inlines.h"
-#include "pipe/p_screen.h"
-
-#include "util/u_draw_quad.h"
-#include "util/u_math.h"
-
-#include <string.h>
-#include <stdlib.h>
-
-#define DEBUG_POLYGON 0
-
-#define COMPONENTS 2
-
-struct polygon
-{
- VGfloat *data;
- VGint size;
-
- VGint num_verts;
-
- VGboolean dirty;
- void *user_vbuf;
- struct pipe_screen *screen;
-};
-
-static float *ptr_to_vertex(float *data, int idx)
-{
- return data + (idx * COMPONENTS);
-}
-
-#if 0
-static void polygon_print(struct polygon *poly)
-{
- int i;
- float *vert;
- debug_printf("Polygon %p, size = %d\n", poly, poly->num_verts);
- for (i = 0; i < poly->num_verts; ++i) {
- vert = ptr_to_vertex(poly->data, i);
- debug_printf("%f, %f, ", vert[0], vert[1]);
- }
- debug_printf("\nend\n");
-}
-#endif
-
-
-struct polygon * polygon_create(int size)
-{
- struct polygon *poly = malloc(sizeof(struct polygon));
-
- poly->data = malloc(sizeof(float) * COMPONENTS * size);
- poly->size = size;
- poly->num_verts = 0;
- poly->dirty = VG_TRUE;
- poly->user_vbuf = NULL;
-
- return poly;
-}
-
-struct polygon * polygon_create_from_data(float *data, int size)
-{
- struct polygon *poly = polygon_create(size);
-
- memcpy(poly->data, data, sizeof(float) * COMPONENTS * size);
- poly->num_verts = size;
- poly->dirty = VG_TRUE;
- poly->user_vbuf = NULL;
-
- return poly;
-}
-
-void polygon_destroy(struct polygon *poly)
-{
- free(poly->data);
- free(poly);
-}
-
-void polygon_resize(struct polygon *poly, int new_size)
-{
- float *data = malloc(sizeof(float) * COMPONENTS * new_size);
- int size = MIN2(sizeof(float) * COMPONENTS * new_size,
- sizeof(float) * COMPONENTS * poly->size);
- memcpy(data, poly->data, size);
- free(poly->data);
- poly->data = data;
- poly->size = new_size;
- poly->dirty = VG_TRUE;
-}
-
-int polygon_size(struct polygon *poly)
-{
- return poly->size;
-}
-
-int polygon_vertex_count(struct polygon *poly)
-{
- return poly->num_verts;
-}
-
-float * polygon_data(struct polygon *poly)
-{
- return poly->data;
-}
-
-void polygon_vertex_append(struct polygon *p,
- float x, float y)
-{
- float *vert;
-#if DEBUG_POLYGON
- debug_printf("Append vertex [%f, %f]\n", x, y);
-#endif
- if (p->num_verts >= p->size) {
- polygon_resize(p, p->size * 2);
- }
-
- vert = ptr_to_vertex(p->data, p->num_verts);
- vert[0] = x;
- vert[1] = y;
- ++p->num_verts;
- p->dirty = VG_TRUE;
-}
-
-void polygon_set_vertex(struct polygon *p, int idx,
- float x, float y)
-{
- float *vert;
- if (idx >= p->num_verts) {
- /*fixme: error reporting*/
- abort();
- return;
- }
-
- vert = ptr_to_vertex(p->data, idx);
- vert[0] = x;
- vert[1] = y;
- p->dirty = VG_TRUE;
-}
-
-void polygon_vertex(struct polygon *p, int idx,
- float *vertex)
-{
- float *vert;
- if (idx >= p->num_verts) {
- /*fixme: error reporting*/
- abort();
- return;
- }
-
- vert = ptr_to_vertex(p->data, idx);
- vertex[0] = vert[0];
- vertex[1] = vert[1];
-}
-
-void polygon_bounding_rect(struct polygon *p,
- float *rect)
-{
- int i;
- float minx, miny, maxx, maxy;
- float *vert = ptr_to_vertex(p->data, 0);
- minx = vert[0];
- maxx = vert[0];
- miny = vert[1];
- maxy = vert[1];
-
- for (i = 1; i < p->num_verts; ++i) {
- vert = ptr_to_vertex(p->data, i);
- minx = MIN2(vert[0], minx);
- miny = MIN2(vert[1], miny);
-
- maxx = MAX2(vert[0], maxx);
- maxy = MAX2(vert[1], maxy);
- }
-
- rect[0] = minx;
- rect[1] = miny;
- rect[2] = maxx - minx;
- rect[3] = maxy - miny;
-}
-
-int polygon_contains_point(struct polygon *p,
- float x, float y)
-{
- return 0;
-}
-
-void polygon_append_polygon(struct polygon *dst,
- struct polygon *src)
-{
- if (dst->num_verts + src->num_verts >= dst->size) {
- polygon_resize(dst, dst->num_verts + src->num_verts * 1.5);
- }
- memcpy(ptr_to_vertex(dst->data, dst->num_verts),
- src->data, src->num_verts * COMPONENTS * sizeof(VGfloat));
- dst->num_verts += src->num_verts;
-}
-
-VGboolean polygon_is_closed(struct polygon *p)
-{
- VGfloat start[2], end[2];
-
- polygon_vertex(p, 0, start);
- polygon_vertex(p, p->num_verts - 1, end);
-
- return floatsEqual(start[0], end[0]) && floatsEqual(start[1], end[1]);
-}
-
-static void polygon_prepare_buffer(struct vg_context *ctx,
- struct polygon *poly)
-{
- struct pipe_context *pipe;
-
- /*polygon_print(poly);*/
-
- pipe = ctx->pipe;
-
- if (poly->user_vbuf == NULL || poly->dirty) {
- poly->screen = pipe->screen;
- poly->user_vbuf = poly->data;
- poly->dirty = VG_FALSE;
- }
-}
-
-void polygon_fill(struct polygon *poly, struct vg_context *ctx)
-{
- struct pipe_vertex_element velement;
- struct pipe_vertex_buffer vbuffer;
- VGfloat bounds[4];
- VGfloat min_x, min_y, max_x, max_y;
-
- assert(poly);
- polygon_bounding_rect(poly, bounds);
- min_x = bounds[0];
- min_y = bounds[1];
- max_x = bounds[0] + bounds[2];
- max_y = bounds[1] + bounds[3];
-
-#if DEBUG_POLYGON
- debug_printf("Poly bounds are [%f, %f], [%f, %f]\n",
- min_x, min_y, max_x, max_y);
-#endif
-
- polygon_prepare_buffer(ctx, poly);
-
- /* tell renderer about the vertex attributes */
- memset(&velement, 0, sizeof(velement));
- velement.src_offset = 0;
- velement.instance_divisor = 0;
- velement.vertex_buffer_index = 0;
- velement.src_format = PIPE_FORMAT_R32G32_FLOAT;
-
- /* tell renderer about the vertex buffer */
- memset(&vbuffer, 0, sizeof(vbuffer));
- vbuffer.user_buffer = poly->user_vbuf;
- vbuffer.stride = COMPONENTS * sizeof(float); /* vertex size */
-
- renderer_polygon_stencil_begin(ctx->renderer,
- &velement, ctx->state.vg.fill_rule, VG_FALSE);
- renderer_polygon_stencil(ctx->renderer, &vbuffer,
- PIPE_PRIM_TRIANGLE_FAN, 0, (VGuint) poly->num_verts);
- renderer_polygon_stencil_end(ctx->renderer);
-
- renderer_polygon_fill_begin(ctx->renderer, VG_FALSE);
- renderer_polygon_fill(ctx->renderer, min_x, min_y, max_x, max_y);
- renderer_polygon_fill_end(ctx->renderer);
-}
-
-void polygon_array_fill(struct polygon_array *polyarray, struct vg_context *ctx)
-{
- struct array *polys = polyarray->array;
- VGfloat min_x = polyarray->min_x;
- VGfloat min_y = polyarray->min_y;
- VGfloat max_x = polyarray->max_x;
- VGfloat max_y = polyarray->max_y;
- struct pipe_vertex_element velement;
- struct pipe_vertex_buffer vbuffer;
- VGint i;
-
-
-#if DEBUG_POLYGON
- debug_printf("%s: Poly bounds are [%f, %f], [%f, %f]\n",
- __FUNCTION__,
- min_x, min_y, max_x, max_y);
-#endif
-
- /* tell renderer about the vertex attributes */
- memset(&velement, 0, sizeof(velement));
- velement.src_offset = 0;
- velement.instance_divisor = 0;
- velement.vertex_buffer_index = 0;
- velement.src_format = PIPE_FORMAT_R32G32_FLOAT;
-
- /* tell renderer about the vertex buffer */
- memset(&vbuffer, 0, sizeof(vbuffer));
- vbuffer.stride = COMPONENTS * sizeof(float); /* vertex size */
-
- /* prepare the stencil buffer */
- renderer_polygon_stencil_begin(ctx->renderer,
- &velement, ctx->state.vg.fill_rule, VG_FALSE);
- for (i = 0; i < polys->num_elements; ++i) {
- struct polygon *poly = (((struct polygon**)polys->data)[i]);
-
- polygon_prepare_buffer(ctx, poly);
- vbuffer.user_buffer = poly->user_vbuf;
-
- renderer_polygon_stencil(ctx->renderer, &vbuffer,
- PIPE_PRIM_TRIANGLE_FAN, 0, (VGuint) poly->num_verts);
- }
- renderer_polygon_stencil_end(ctx->renderer);
-
- /* fill it */
- renderer_polygon_fill_begin(ctx->renderer, VG_FALSE);
- renderer_polygon_fill(ctx->renderer, min_x, min_y, max_x, max_y);
- renderer_polygon_fill_end(ctx->renderer);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-30 09:31:47 +0000