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path: root/src/gallium/state_trackers/vega/polygon.c
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Diffstat (limited to 'src/gallium/state_trackers/vega/polygon.c')
-rw-r--r--src/gallium/state_trackers/vega/polygon.c300
1 files changed, 60 insertions, 240 deletions
diff --git a/src/gallium/state_trackers/vega/polygon.c b/src/gallium/state_trackers/vega/polygon.c
index ca8831064c..a491de27fa 100644
--- a/src/gallium/state_trackers/vega/polygon.c
+++ b/src/gallium/state_trackers/vega/polygon.c
@@ -244,24 +244,11 @@ VGboolean polygon_is_closed(struct polygon *p)
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->rt[0].colormask = 0; /*disable colorwrites*/
-
- blend->rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
- blend->rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
-}
-
-static void draw_polygon(struct vg_context *ctx,
- struct polygon *poly)
+static void polygon_prepare_buffer(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);
@@ -281,35 +268,15 @@ static void draw_polygon(struct vg_context *ctx,
PIPE_BIND_VERTEX_BUFFER);
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 */
- 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;
- cso_set_vertex_elements(ctx->cso_context, 1, &velement);
-
- /* draw */
- util_draw_arrays(pipe, PIPE_PRIM_TRIANGLE_FAN, 0, (uint) poly->num_verts);
}
void polygon_fill(struct polygon *poly, struct vg_context *ctx)
{
- struct pipe_depth_stencil_alpha_state dsa;
- struct pipe_stencil_ref sr;
- struct pipe_blend_state blend;
+ 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];
@@ -322,113 +289,42 @@ void polygon_fill(struct polygon *poly, struct vg_context *ctx)
min_x, min_y, max_x, max_y);
#endif
- set_blend_for_fill(&blend);
-
- memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
- memset(&sr, 0, sizeof(struct pipe_stencil_ref));
- /* only need a fixed 0. Rely on default or move it out at least? */
- cso_set_stencil_ref(ctx->cso_context, &sr);
-
- 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].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].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].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].valuemask = ~0;
-
- raster.cull_face = PIPE_FACE_BACK;
- 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_face = PIPE_FACE_FRONT;
- 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);
- }
- }
+ 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.buffer = poly->vbuf;
+ vbuffer.stride = COMPONENTS * sizeof(float); /* vertex size */
+ vbuffer.buffer_offset = 0;
+ vbuffer.max_index = poly->num_verts - 1;
+
+ 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);
- /* 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].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);
+ 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;
- struct pipe_depth_stencil_alpha_state dsa;
- struct pipe_stencil_ref sr;
- 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;
+ struct pipe_vertex_element velement;
+ struct pipe_vertex_buffer vbuffer;
VGint i;
@@ -438,111 +334,35 @@ void polygon_array_fill(struct polygon_array *polyarray, struct vg_context *ctx)
min_x, min_y, max_x, max_y);
#endif
- set_blend_for_fill(&blend);
-
- memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
- memset(&sr, 0, sizeof(struct pipe_stencil_ref));
- /* only need a fixed 0. Rely on default or move it out at least? */
- cso_set_stencil_ref(ctx->cso_context, &sr);
-
- 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].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].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].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].valuemask = ~0;
-
- raster.cull_face = PIPE_FACE_BACK;
- 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_face = PIPE_FACE_FRONT;
- 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);
- }
+ /* 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 */
+ vbuffer.buffer_offset = 0;
+
+ /* 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.buffer = poly->vbuf;
+ vbuffer.max_index = poly->num_verts - 1;
+
+ renderer_polygon_stencil(ctx->renderer, &vbuffer,
+ PIPE_PRIM_TRIANGLE_FAN, 0, (VGuint) poly->num_verts);
}
+ renderer_polygon_stencil_end(ctx->renderer);
- /* 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].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);
+ /* 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);
}
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