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authorChia-I Wu <olv@lunarg.com>2010-11-28 16:06:23 +0800
committerChia-I Wu <olv@lunarg.com>2010-12-01 11:23:49 +0800
commitb23f732075fc4e1cd9cbf5eaaaaa8ef8dc2b7922 (patch)
treea9715310113c89a2821d3101014b240c57a684ee /src
parente5968a5355f0165aa7f3f8e71a27df884e5a3efb (diff)
st/vega: Use the renderer for vgMask.
vgMask renders to the alpha mask with special fragment shaders. The operation can be supported by switching the renderer to FILTER state.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/state_trackers/vega/mask.c233
1 files changed, 44 insertions, 189 deletions
diff --git a/src/gallium/state_trackers/vega/mask.c b/src/gallium/state_trackers/vega/mask.c
index ec3e3447d1..3bd9a1e598 100644
--- a/src/gallium/state_trackers/vega/mask.c
+++ b/src/gallium/state_trackers/vega/mask.c
@@ -193,49 +193,12 @@ void save_alpha_to_file(const char *filename)
}
#endif
-static void setup_mask_framebuffer(struct pipe_surface *surf,
- VGint surf_width, VGint surf_height)
+/* setup mask shader */
+static void *setup_mask_operation(VGMaskOperation operation)
{
struct vg_context *ctx = vg_current_context();
- struct pipe_framebuffer_state fb;
-
- memset(&fb, 0, sizeof(fb));
- fb.width = surf_width;
- fb.height = surf_height;
- fb.nr_cbufs = 1;
- fb.cbufs[0] = surf;
- {
- VGint i;
- for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i)
- fb.cbufs[i] = 0;
- }
- cso_set_framebuffer(ctx->cso_context, &fb);
-}
-
-
-/* setup shader constants */
-static void setup_mask_operation(VGMaskOperation operation)
-{
- struct vg_context *ctx = vg_current_context();
- struct pipe_resource **cbuf = &ctx->mask.cbuf;
- const VGint param_bytes = 4 * sizeof(VGfloat);
- const VGfloat ones[4] = {1.f, 1.f, 1.f, 1.f};
void *shader = 0;
- /* We always need to get a new buffer, to keep the drivers simple and
- * avoid gratuitous rendering synchronization.
- */
- pipe_resource_reference(cbuf, NULL);
-
- *cbuf = pipe_buffer_create(ctx->pipe->screen,
- PIPE_BIND_CONSTANT_BUFFER,
- param_bytes);
- if (*cbuf) {
- st_no_flush_pipe_buffer_write(ctx, *cbuf,
- 0, param_bytes, ones);
- }
-
- ctx->pipe->set_constant_buffer(ctx->pipe, PIPE_SHADER_FRAGMENT, 0, *cbuf);
switch (operation) {
case VG_UNION_MASK: {
if (!ctx->mask.union_fs) {
@@ -281,88 +244,17 @@ static void setup_mask_operation(VGMaskOperation operation)
assert(0);
break;
}
- cso_set_fragment_shader_handle(ctx->cso_context, shader);
-}
-
-static void setup_mask_samplers(struct pipe_sampler_view *umask)
-{
- struct vg_context *ctx = vg_current_context();
- struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
- struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
- struct st_framebuffer *fb_buffers = ctx->draw_buffer;
- struct pipe_sampler_view *uprev = NULL;
- struct pipe_sampler_state sampler;
-
- uprev = fb_buffers->blend_texture_view;
- sampler = ctx->mask.sampler;
- sampler.normalized_coords = 1;
-
- samplers[0] = NULL;
- samplers[1] = NULL;
- sampler_views[0] = NULL;
- sampler_views[1] = NULL;
-
- samplers[0] = &sampler;
- samplers[1] = &ctx->mask.sampler;
-
- sampler_views[0] = umask;
- sampler_views[1] = uprev;
-
- cso_set_samplers(ctx->cso_context, 2,
- (const struct pipe_sampler_state **)samplers);
- cso_set_fragment_sampler_views(ctx->cso_context, 2, sampler_views);
-}
-
-
-/* setup shader constants */
-static void setup_mask_fill(const VGfloat color[4])
-{
- struct vg_context *ctx = vg_current_context();
- struct pipe_resource **cbuf = &ctx->mask.cbuf;
- const VGint param_bytes = 4 * sizeof(VGfloat);
-
- /* We always need to get a new buffer, to keep the drivers simple and
- * avoid gratuitous rendering synchronization.
- */
- pipe_resource_reference(cbuf, NULL);
-
- *cbuf = pipe_buffer_create(ctx->pipe->screen,
- PIPE_BIND_CONSTANT_BUFFER,
- param_bytes);
- if (*cbuf) {
- st_no_flush_pipe_buffer_write(ctx, *cbuf, 0, param_bytes, color);
- }
-
- ctx->pipe->set_constant_buffer(ctx->pipe, PIPE_SHADER_FRAGMENT, 0, *cbuf);
- cso_set_fragment_shader_handle(ctx->cso_context,
- shaders_cache_fill(ctx->sc,
- VEGA_SOLID_FILL_SHADER));
-}
-
-static void setup_mask_blend()
-{
- struct vg_context *ctx = vg_current_context();
-
- struct pipe_blend_state blend;
- memset(&blend, 0, sizeof(struct pipe_blend_state));
- blend.rt[0].blend_enable = 0;
- blend.rt[0].colormask = PIPE_MASK_RGBA;
- 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;
-
- cso_set_blend(ctx->cso_context, &blend);
+ return shader;
}
-
-static void surface_fill(struct pipe_surface *surf,
- int surf_width, int surf_height,
- int x, int y, int width, int height,
- const VGfloat color[4])
+static void mask_resource_fill(struct pipe_resource *dst,
+ int x, int y, int width, int height,
+ VGfloat coverage)
{
struct vg_context *ctx = vg_current_context();
+ VGfloat color[4] = { 0.0f, 0.0f, 0.0f, coverage };
+ void *fs;
if (x < 0) {
width += x;
@@ -373,30 +265,17 @@ static void surface_fill(struct pipe_surface *surf,
y = 0;
}
- cso_save_framebuffer(ctx->cso_context);
- cso_save_blend(ctx->cso_context);
- cso_save_fragment_shader(ctx->cso_context);
-
- setup_mask_blend();
- setup_mask_fill(color);
- setup_mask_framebuffer(surf, surf_width, surf_height);
-
- renderer_draw_quad(ctx->renderer, x, y,
- x + width, y + height, 0.0f/*depth should be disabled*/);
+ fs = shaders_cache_fill(ctx->sc, VEGA_SOLID_FILL_SHADER);
-
- /* make sure rendering has completed */
- ctx->pipe->flush(ctx->pipe,
- PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME,
- NULL);
+ if (renderer_filter_begin(ctx->renderer, dst, VG_FALSE,
+ ~0, NULL, NULL, 0, fs, (const void *) color, sizeof(color))) {
+ renderer_filter(ctx->renderer, x, y, width, height, 0, 0, 0, 0);
+ renderer_filter_end(ctx->renderer);
+ }
#if DEBUG_MASKS
save_alpha_to_file(0);
#endif
-
- cso_restore_blend(ctx->cso_context);
- cso_restore_framebuffer(ctx->cso_context);
- cso_restore_fragment_shader(ctx->cso_context);
}
@@ -406,14 +285,16 @@ static void mask_using_texture(struct pipe_sampler_view *sampler_view,
VGint width, VGint height)
{
struct vg_context *ctx = vg_current_context();
+ struct pipe_resource *dst = ctx->draw_buffer->alpha_mask_view->texture;
struct pipe_resource *texture = sampler_view->texture;
- struct pipe_surface *surface =
- alpha_mask_surface(ctx, PIPE_BIND_RENDER_TARGET);
+ const struct pipe_sampler_state *samplers[2];
+ struct pipe_sampler_view *views[2];
+ struct pipe_sampler_state sampler;
VGint offsets[4], loc[4];
+ const VGfloat ones[4] = {1.f, 1.f, 1.f, 1.f};
+ void *fs;
- if (!surface)
- return;
- if (!intersect_rectangles(surface->width, surface->height,
+ if (!intersect_rectangles(dst->width0, dst->height0,
texture->width0, texture->height0,
x, y, width, height,
offsets, loc))
@@ -425,35 +306,25 @@ static void mask_using_texture(struct pipe_sampler_view *sampler_view,
loc[1], loc[2], loc[3]);
#endif
+ sampler = ctx->mask.sampler;
+ sampler.normalized_coords = 1;
+ samplers[0] = &sampler;
+ views[0] = sampler_view;
+
/* prepare our blend surface */
vg_prepare_blend_surface_from_mask(ctx);
+ samplers[1] = &ctx->mask.sampler;
+ views[1] = ctx->draw_buffer->blend_texture_view;
- cso_save_samplers(ctx->cso_context);
- cso_save_fragment_sampler_views(ctx->cso_context);
- cso_save_framebuffer(ctx->cso_context);
- cso_save_blend(ctx->cso_context);
- cso_save_fragment_shader(ctx->cso_context);
-
- setup_mask_samplers(sampler_view);
- setup_mask_blend();
- setup_mask_operation(operation);
- setup_mask_framebuffer(surface, surface->width, surface->height);
-
- /* render the quad to propagate the rendering from stencil */
- renderer_draw_texture(ctx->renderer, texture,
- offsets[0], offsets[1],
- offsets[0] + offsets[2], offsets[1] + offsets[3],
- loc[0], loc[1], loc[0] + loc[2], loc[1] + loc[3]);
-
- /* make sure rendering has completed */
- ctx->pipe->flush(ctx->pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
- cso_restore_blend(ctx->cso_context);
- cso_restore_framebuffer(ctx->cso_context);
- cso_restore_fragment_shader(ctx->cso_context);
- cso_restore_samplers(ctx->cso_context);
- cso_restore_fragment_sampler_views(ctx->cso_context);
+ fs = setup_mask_operation(operation);
- pipe_surface_reference(&surface, NULL);
+ if (renderer_filter_begin(ctx->renderer, dst, VG_FALSE,
+ ~0, samplers, views, 2, fs, (const void *) ones, sizeof(ones))) {
+ renderer_filter(ctx->renderer,
+ loc[0], loc[1], loc[2], loc[3],
+ offsets[0], offsets[1], offsets[2], offsets[3]);
+ renderer_filter_end(ctx->renderer);
+ }
}
@@ -516,22 +387,12 @@ void mask_layer_fill(struct vg_mask_layer *layer,
VGint width, VGint height,
VGfloat value)
{
- struct vg_context *ctx = vg_current_context();
VGfloat alpha_color[4] = {0, 0, 0, 0};
- struct pipe_surface *surface;
alpha_color[3] = value;
- surface = ctx->pipe->screen->get_tex_surface(
- ctx->pipe->screen, layer->sampler_view->texture,
- 0, 0, 0,
- PIPE_BIND_RENDER_TARGET);
-
- surface_fill(surface,
- layer->width, layer->height,
- x, y, width, height, alpha_color);
-
- ctx->pipe->screen->tex_surface_release(ctx->pipe->screen, &surface);
+ mask_resource_fill(layer->sampler_view->texture,
+ x, y, width, height, value);
}
void mask_copy(struct vg_mask_layer *layer,
@@ -555,6 +416,7 @@ static void mask_layer_render_to(struct vg_mask_layer *layer,
struct path *path,
VGbitfield paint_modes)
{
+#if 0
struct vg_context *ctx = vg_current_context();
const VGfloat fill_color[4] = {1.f, 1.f, 1.f, 1.f};
struct pipe_screen *screen = ctx->pipe->screen;
@@ -587,7 +449,8 @@ static void mask_layer_render_to(struct vg_mask_layer *layer,
cso_restore_fragment_shader(ctx->cso_context);
ctx->state.dirty |= BLEND_DIRTY;
- screen->tex_surface_release(ctx->pipe->screen, &surface);
+ pipe_surface_reference(&surface, NULL);
+#endif
}
void mask_render_to(struct path *path,
@@ -647,23 +510,15 @@ void mask_fill(VGint x, VGint y, VGint width, VGint height,
VGfloat value)
{
struct vg_context *ctx = vg_current_context();
- VGfloat alpha_color[4] = {.0f, .0f, .0f, value};
- struct pipe_surface *surf = alpha_mask_surface(
- ctx, PIPE_BIND_RENDER_TARGET);
#if DEBUG_MASKS
debug_printf("mask_fill(%d, %d, %d, %d) with rgba(%f, %f, %f, %f)\n",
x, y, width, height,
- alpha_color[0], alpha_color[1],
- alpha_color[2], alpha_color[3]);
- debug_printf("XXX %f === %f \n",
- alpha_color[3], value);
+ 0.0f, 0.0f, 0.0f, value);
#endif
- surface_fill(surf, surf->width, surf->height,
- x, y, width, height, alpha_color);
-
- pipe_surface_reference(&surf, NULL);
+ mask_resource_fill(ctx->draw_buffer->alpha_mask_view->texture,
+ x, y, width, height, value);
}
VGint mask_bind_samplers(struct pipe_sampler_state **samplers,