summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/gallium/state_trackers/vega/api_masks.c118
-rw-r--r--src/gallium/state_trackers/vega/renderer.c55
-rw-r--r--src/gallium/state_trackers/vega/renderer.h8
3 files changed, 68 insertions, 113 deletions
diff --git a/src/gallium/state_trackers/vega/api_masks.c b/src/gallium/state_trackers/vega/api_masks.c
index 189390ec2d3..45f77d7d707 100644
--- a/src/gallium/state_trackers/vega/api_masks.c
+++ b/src/gallium/state_trackers/vega/api_masks.c
@@ -28,6 +28,7 @@
#include "mask.h"
#include "api.h"
+#include "renderer.h"
#include "vg_context.h"
#include "pipe/p_context.h"
@@ -38,117 +39,6 @@
#define DISABLE_1_1_MASKING 1
-/**
- * Draw a screen-aligned quadrilateral.
- * Coords are window coords with y=0=bottom. These coords will be transformed
- * by the vertex shader and viewport transform.
- */
-static void
-draw_clear_quad(struct vg_context *st,
- float x0, float y0, float x1, float y1, float z,
- const VGfloat color[4])
-{
- struct pipe_context *pipe = st->pipe;
- struct pipe_resource *buf;
- VGuint i;
-
- /* positions */
- st->clear.vertices[0][0][0] = x0;
- st->clear.vertices[0][0][1] = y0;
-
- st->clear.vertices[1][0][0] = x1;
- st->clear.vertices[1][0][1] = y0;
-
- st->clear.vertices[2][0][0] = x1;
- st->clear.vertices[2][0][1] = y1;
-
- st->clear.vertices[3][0][0] = x0;
- st->clear.vertices[3][0][1] = y1;
-
- /* same for all verts: */
- for (i = 0; i < 4; i++) {
- st->clear.vertices[i][0][2] = z;
- st->clear.vertices[i][0][3] = 1.0;
- st->clear.vertices[i][1][0] = color[0];
- st->clear.vertices[i][1][1] = color[1];
- st->clear.vertices[i][1][2] = color[2];
- st->clear.vertices[i][1][3] = color[3];
- }
-
-
- /* put vertex data into vbuf */
- buf = pipe_user_buffer_create(pipe->screen,
- st->clear.vertices,
- sizeof(st->clear.vertices),
- PIPE_BIND_VERTEX_BUFFER);
-
-
- /* draw */
- if (buf) {
- cso_set_vertex_elements(st->cso_context, 2, st->velems);
-
- util_draw_vertex_buffer(pipe, buf, 0,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 2); /* attribs/vert */
-
- pipe_resource_reference(&buf, NULL);
- }
-}
-
-/**
- * Do vgClear by drawing a quadrilateral.
- */
-static void
-clear_with_quad(struct vg_context *st, float x0, float y0,
- float width, float height, const VGfloat clear_color[4])
-{
- VGfloat x1, y1;
-
- vg_validate_state(st);
-
- x1 = x0 + width;
- y1 = y0 + height;
-
- /*
- printf("%s %f,%f %f,%f\n", __FUNCTION__,
- x0, y0,
- x1, y1);
- */
-
- cso_save_blend(st->cso_context);
- cso_save_rasterizer(st->cso_context);
- cso_save_fragment_shader(st->cso_context);
- cso_save_vertex_shader(st->cso_context);
-
- /* blend state: RGBA masking */
- {
- struct pipe_blend_state blend;
- memset(&blend, 0, sizeof(blend));
- 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_ZERO;
- blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
- blend.rt[0].colormask = PIPE_MASK_RGBA;
- cso_set_blend(st->cso_context, &blend);
- }
-
- cso_set_rasterizer(st->cso_context, &st->clear.raster);
-
- cso_set_fragment_shader_handle(st->cso_context, st->clear.fs);
- cso_set_vertex_shader_handle(st->cso_context, vg_clear_vs(st));
-
- /* draw quad matching scissor rect (XXX verify coord round-off) */
- draw_clear_quad(st, x0, y0, x1, y1, 0, clear_color);
-
- /* Restore pipe state */
- cso_restore_blend(st->cso_context);
- cso_restore_rasterizer(st->cso_context);
- cso_restore_fragment_shader(st->cso_context);
- cso_restore_vertex_shader(st->cso_context);
-}
-
-
void vegaMask(VGHandle mask, VGMaskOperation operation,
VGint x, VGint y,
VGint width, VGint height)
@@ -214,8 +104,10 @@ void vegaClear(VGint x, VGint y,
(x == 0 && y == 0 && width == fb->width && height == fb->height)) {
ctx->pipe->clear(ctx->pipe, PIPE_CLEAR_COLOR | PIPE_CLEAR_DEPTHSTENCIL,
ctx->state.vg.clear_color, 1., 0);
- } else {
- clear_with_quad(ctx, x, y, width, height, ctx->state.vg.clear_color);
+ } else if (renderer_clear_begin(ctx->renderer)) {
+ /* XXX verify coord round-off */
+ renderer_clear(ctx->renderer, x, y, width, height, ctx->state.vg.clear_color);
+ renderer_clear_end(ctx->renderer);
}
}
diff --git a/src/gallium/state_trackers/vega/renderer.c b/src/gallium/state_trackers/vega/renderer.c
index 60c4315a1fd..d326cfc5015 100644
--- a/src/gallium/state_trackers/vega/renderer.c
+++ b/src/gallium/state_trackers/vega/renderer.c
@@ -48,6 +48,7 @@ typedef enum {
RENDERER_STATE_COPY,
RENDERER_STATE_DRAWTEX,
RENDERER_STATE_SCISSOR,
+ RENDERER_STATE_CLEAR,
NUM_RENDERER_STATES
} RendererState;
@@ -623,6 +624,60 @@ void renderer_scissor_end(struct renderer *renderer)
renderer->state = RENDERER_STATE_INIT;
}
+/**
+ * Prepare the renderer for clearing.
+ */
+VGboolean renderer_clear_begin(struct renderer *renderer)
+{
+ assert(renderer->state == RENDERER_STATE_INIT);
+
+ cso_save_blend(renderer->cso);
+ cso_save_fragment_shader(renderer->cso);
+ cso_save_vertex_shader(renderer->cso);
+
+ renderer_set_blend(renderer, ~0);
+ renderer_set_fs(renderer, RENDERER_FS_COLOR);
+ renderer_set_vs(renderer, RENDERER_VS_COLOR);
+
+ renderer->state = RENDERER_STATE_CLEAR;
+
+ return VG_TRUE;
+}
+
+/**
+ * Clear the framebuffer with the specified region and color.
+ *
+ * The coordinates are in surface coordinates.
+ */
+void renderer_clear(struct renderer *renderer,
+ VGint x, VGint y, VGint width, VGint height,
+ const VGfloat color[4])
+{
+ VGuint i;
+
+ assert(renderer->state == RENDERER_STATE_CLEAR);
+
+ renderer_quad_pos(renderer, x, y, x + width, y + height, VG_TRUE);
+ for (i = 0; i < 4; i++)
+ memcpy(renderer->vertices[i][1], color, sizeof(VGfloat) * 4);
+
+ renderer_quad_draw(renderer);
+}
+
+/**
+ * End clearing and retore the states.
+ */
+void renderer_clear_end(struct renderer *renderer)
+{
+ assert(renderer->state == RENDERER_STATE_CLEAR);
+
+ cso_restore_blend(renderer->cso);
+ cso_restore_fragment_shader(renderer->cso);
+ cso_restore_vertex_shader(renderer->cso);
+
+ renderer->state = RENDERER_STATE_INIT;
+}
+
static void setup_shaders(struct renderer *ctx)
{
struct pipe_context *pipe = ctx->pipe;
diff --git a/src/gallium/state_trackers/vega/renderer.h b/src/gallium/state_trackers/vega/renderer.h
index 2644c9f580d..fa0782280ad 100644
--- a/src/gallium/state_trackers/vega/renderer.h
+++ b/src/gallium/state_trackers/vega/renderer.h
@@ -68,6 +68,14 @@ void renderer_scissor(struct renderer *renderer,
void renderer_scissor_end(struct renderer *renderer);
+VGboolean renderer_clear_begin(struct renderer *renderer);
+
+void renderer_clear(struct renderer *renderer,
+ VGint x, VGint y, VGint width, VGint height,
+ const VGfloat color[4]);
+
+void renderer_clear_end(struct renderer *renderer);
+
void renderer_draw_quad(struct renderer *,
VGfloat x1, VGfloat y1,
VGfloat x2, VGfloat y2,