diff options
author | Alex Deucher <[email protected]> | 2009-07-15 14:17:07 -0400 |
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committer | Alex Deucher <[email protected]> | 2009-07-15 14:17:07 -0400 |
commit | c5c19919ce627b98d8aab4284da1694573bcccd4 (patch) | |
tree | 2e29b313b79b6a392e020fd5723e3cc00c800fd2 /src/gallium/state_trackers/vega/polygon.c | |
parent | a0d4a12614fce072fa1eb5516e626909171c95e1 (diff) | |
parent | 3a3b83e5112b725e22f05b32a273a2351b820944 (diff) |
Merge branch 'master' of git+ssh://[email protected]/git/mesa/mesa into r6xx-rewrite
This builds, but I get an assertion in radeonGetLock() due to
the drawable being null.
Diffstat (limited to 'src/gallium/state_trackers/vega/polygon.c')
-rw-r--r-- | src/gallium/state_trackers/vega/polygon.c | 550 |
1 files changed, 550 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/polygon.c b/src/gallium/state_trackers/vega/polygon.c new file mode 100644 index 00000000000..b6d282d803b --- /dev/null +++ b/src/gallium/state_trackers/vega/polygon.c @@ -0,0 +1,550 @@ +/************************************************************************** + * + * 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 "paint.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 "pipe/p_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; + struct pipe_buffer *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 = (struct polygon*)malloc(sizeof(struct polygon)); + + poly->data = malloc(sizeof(float) * COMPONENTS * size); + poly->size = size; + poly->num_verts = 0; + poly->dirty = VG_TRUE; + poly->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->vbuf = NULL; + + return poly; +} + +void polygon_destroy(struct polygon *poly) +{ + if (poly->vbuf) + pipe_buffer_reference(&poly->vbuf, NULL); + + free(poly->data); + free(poly); +} + +void polygon_resize(struct polygon *poly, int new_size) +{ + float *data = (float*)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 set_blend_for_fill(struct pipe_blend_state *blend) +{ + memset(blend, 0, sizeof(struct pipe_blend_state)); + blend->colormask = 0; /*disable colorwrites*/ + + blend->rgb_src_factor = PIPE_BLENDFACTOR_ONE; + blend->alpha_src_factor = PIPE_BLENDFACTOR_ONE; + blend->rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA; + blend->alpha_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA; +} + +static void draw_polygon(struct vg_context *ctx, + struct polygon *poly) +{ + int vert_size; + struct pipe_context *pipe; + struct pipe_vertex_buffer vbuffer; + struct pipe_vertex_element velement; + + vert_size = poly->num_verts * COMPONENTS * sizeof(float); + + /*polygon_print(poly);*/ + + pipe = ctx->pipe; + + if (poly->vbuf == NULL || poly->dirty) { + if (poly->vbuf) { + pipe_buffer_reference(&poly->vbuf, + NULL); + } + poly->screen = pipe->screen; + poly->vbuf= pipe_user_buffer_create(poly->screen, + poly->data, + vert_size); + poly->dirty = VG_FALSE; + } + + + /* tell pipe about the vertex buffer */ + memset(&vbuffer, 0, sizeof(vbuffer)); + vbuffer.buffer = poly->vbuf; + vbuffer.stride = COMPONENTS * sizeof(float); /* vertex size */ + vbuffer.buffer_offset = 0; + vbuffer.max_index = poly->num_verts - 1; + pipe->set_vertex_buffers(pipe, 1, &vbuffer); + + /* tell pipe about the vertex attributes */ + velement.src_offset = 0; + velement.vertex_buffer_index = 0; + velement.src_format = PIPE_FORMAT_R32G32_FLOAT; + velement.nr_components = COMPONENTS; + pipe->set_vertex_elements(pipe, 1, &velement); + + /* draw */ + pipe->draw_arrays(pipe, PIPE_PRIM_TRIANGLE_FAN, + 0, poly->num_verts); +} + +void polygon_fill(struct polygon *poly, struct vg_context *ctx) +{ + struct pipe_depth_stencil_alpha_state dsa; + struct pipe_blend_state blend; + 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 + + set_blend_for_fill(&blend); + + memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state)); + + cso_save_blend(ctx->cso_context); + cso_save_depth_stencil_alpha(ctx->cso_context); + + dsa.stencil[0].enabled = 1; + if (ctx->state.vg.fill_rule == VG_EVEN_ODD) { + dsa.stencil[0].writemask = 1; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_INVERT; + dsa.stencil[0].func = PIPE_FUNC_ALWAYS; + dsa.stencil[0].ref_value = 0; + dsa.stencil[0].valuemask = ~0; + + cso_set_blend(ctx->cso_context, &blend); + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + draw_polygon(ctx, poly); + } else if (ctx->state.vg.fill_rule == VG_NON_ZERO) { + struct pipe_screen *screen = ctx->pipe->screen; + + if (screen->get_param(screen, PIPE_CAP_TWO_SIDED_STENCIL)) { + /* front */ + dsa.stencil[0].writemask = ~0; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_INCR_WRAP; + dsa.stencil[0].func = PIPE_FUNC_ALWAYS; + dsa.stencil[0].ref_value = 0; + dsa.stencil[0].valuemask = ~0; + + /* back */ + dsa.stencil[1].enabled = 1; + dsa.stencil[1].writemask = ~0; + dsa.stencil[1].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[1].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[1].zpass_op = PIPE_STENCIL_OP_DECR_WRAP; + dsa.stencil[1].func = PIPE_FUNC_ALWAYS; + dsa.stencil[1].ref_value = 0; + dsa.stencil[1].valuemask = ~0; + + cso_set_blend(ctx->cso_context, &blend); + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + draw_polygon(ctx, poly); + } else { + struct pipe_rasterizer_state raster; + + memcpy(&raster, &ctx->state.g3d.rasterizer, sizeof(struct pipe_rasterizer_state)); + + cso_save_rasterizer(ctx->cso_context); + dsa.stencil[0].func = PIPE_FUNC_ALWAYS; + dsa.stencil[0].ref_value = 0; + dsa.stencil[0].valuemask = ~0; + + raster.cull_mode = raster.front_winding ^ PIPE_WINDING_BOTH; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_INCR_WRAP; + + cso_set_blend(ctx->cso_context, &blend); + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + cso_set_rasterizer(ctx->cso_context, &raster); + draw_polygon(ctx, poly); + + raster.cull_mode = raster.front_winding; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_DECR_WRAP; + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + cso_set_rasterizer(ctx->cso_context, &raster); + draw_polygon(ctx, poly); + + cso_restore_rasterizer(ctx->cso_context); + } + } + + /* restore color writes */ + cso_restore_blend(ctx->cso_context); + /* setup stencil ops */ + dsa.stencil[0].func = PIPE_FUNC_NOTEQUAL; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; + dsa.stencil[0].ref_value = 0; + dsa.stencil[0].valuemask = dsa.stencil[0].writemask; + dsa.stencil[1].enabled = 0; + memcpy(&dsa.depth, &ctx->state.g3d.dsa.depth, + sizeof(struct pipe_depth_state)); + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + + /* render the quad to propagate the rendering from stencil */ + renderer_draw_quad(ctx->renderer, min_x, min_y, + max_x, max_y, 0.0f/*depth should be disabled*/); + + cso_restore_depth_stencil_alpha(ctx->cso_context); +} + +void polygon_array_fill(struct polygon_array *polyarray, struct vg_context *ctx) +{ + struct array *polys = polyarray->array; + struct pipe_depth_stencil_alpha_state dsa; + struct pipe_blend_state blend; + VGfloat min_x = polyarray->min_x; + VGfloat min_y = polyarray->min_y; + VGfloat max_x = polyarray->max_x; + VGfloat max_y = polyarray->max_y; + 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 + + set_blend_for_fill(&blend); + + memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state)); + + cso_save_blend(ctx->cso_context); + cso_save_depth_stencil_alpha(ctx->cso_context); + + dsa.stencil[0].enabled = 1; + if (ctx->state.vg.fill_rule == VG_EVEN_ODD) { + dsa.stencil[0].writemask = 1; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_INVERT; + dsa.stencil[0].func = PIPE_FUNC_ALWAYS; + dsa.stencil[0].ref_value = 0; + dsa.stencil[0].valuemask = ~0; + + cso_set_blend(ctx->cso_context, &blend); + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + for (i = 0; i < polys->num_elements; ++i) { + struct polygon *poly = (((struct polygon**)polys->data)[i]); + draw_polygon(ctx, poly); + } + } else if (ctx->state.vg.fill_rule == VG_NON_ZERO) { + struct pipe_screen *screen = ctx->pipe->screen; + + if (screen->get_param(screen, PIPE_CAP_TWO_SIDED_STENCIL)) { + /* front */ + dsa.stencil[0].writemask = ~0; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_INCR_WRAP; + dsa.stencil[0].func = PIPE_FUNC_ALWAYS; + dsa.stencil[0].ref_value = 0; + dsa.stencil[0].valuemask = ~0; + + /* back */ + dsa.stencil[1].enabled = 1; + dsa.stencil[1].writemask = ~0; + dsa.stencil[1].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[1].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[1].zpass_op = PIPE_STENCIL_OP_DECR_WRAP; + dsa.stencil[1].func = PIPE_FUNC_ALWAYS; + dsa.stencil[1].ref_value = 0; + dsa.stencil[1].valuemask = ~0; + + cso_set_blend(ctx->cso_context, &blend); + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + for (i = 0; i < polys->num_elements; ++i) { + struct polygon *poly = (((struct polygon**)polys->data)[i]); + draw_polygon(ctx, poly); + } + } else { + struct pipe_rasterizer_state raster; + + memcpy(&raster, &ctx->state.g3d.rasterizer, sizeof(struct pipe_rasterizer_state)); + + cso_save_rasterizer(ctx->cso_context); + dsa.stencil[0].func = PIPE_FUNC_ALWAYS; + dsa.stencil[0].ref_value = 0; + dsa.stencil[0].valuemask = ~0; + + raster.cull_mode = raster.front_winding ^ PIPE_WINDING_BOTH; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_INCR_WRAP; + + cso_set_blend(ctx->cso_context, &blend); + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + cso_set_rasterizer(ctx->cso_context, &raster); + for (i = 0; i < polys->num_elements; ++i) { + struct polygon *poly = (((struct polygon**)polys->data)[i]); + draw_polygon(ctx, poly); + } + + raster.cull_mode = raster.front_winding; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_DECR_WRAP; + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + cso_set_rasterizer(ctx->cso_context, &raster); + for (i = 0; i < polys->num_elements; ++i) { + struct polygon *poly = (((struct polygon**)polys->data)[i]); + draw_polygon(ctx, poly); + } + + cso_restore_rasterizer(ctx->cso_context); + } + } + + /* restore color writes */ + cso_restore_blend(ctx->cso_context); + /* setup stencil ops */ + dsa.stencil[0].func = PIPE_FUNC_NOTEQUAL; + dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; + dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; + dsa.stencil[0].ref_value = 0; + dsa.stencil[0].valuemask = dsa.stencil[0].writemask; + dsa.stencil[1].enabled = 0; + memcpy(&dsa.depth, &ctx->state.g3d.dsa.depth, + sizeof(struct pipe_depth_state)); + cso_set_depth_stencil_alpha(ctx->cso_context, &dsa); + + /* render the quad to propagate the rendering from stencil */ + renderer_draw_quad(ctx->renderer, min_x, min_y, + max_x, max_y, 0.0f/*depth should be disabled*/); + + cso_restore_depth_stencil_alpha(ctx->cso_context); +} |