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authorChia-I Wu <olv@lunarg.com>2010-12-01 17:38:57 +0800
committerChia-I Wu <olv@lunarg.com>2010-12-01 17:46:34 +0800
commit04f342b4170366e417aa0c414cc536337270d3ab (patch)
treea74be041b3e62d44211b146181f3b4d1fc8a7d97
parentf8e0dd246b26281d31d4f37799985e27368ba2f4 (diff)
st/vega: Delay blend texture creation until needed.
It is used for more advanced blending or mask update. It might not be ever needed for some applications.
-rw-r--r--src/gallium/state_trackers/vega/mask.c3
-rw-r--r--src/gallium/state_trackers/vega/shader.c6
-rw-r--r--src/gallium/state_trackers/vega/vg_context.c76
-rw-r--r--src/gallium/state_trackers/vega/vg_context.h4
4 files changed, 32 insertions, 57 deletions
diff --git a/src/gallium/state_trackers/vega/mask.c b/src/gallium/state_trackers/vega/mask.c
index e3aec980b53..0a800b2c10a 100644
--- a/src/gallium/state_trackers/vega/mask.c
+++ b/src/gallium/state_trackers/vega/mask.c
@@ -316,9 +316,8 @@ static void mask_using_texture(struct pipe_sampler_view *sampler_view,
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;
+ views[1] = vg_prepare_blend_surface_from_mask(ctx);
fs = setup_mask_operation(operation);
diff --git a/src/gallium/state_trackers/vega/shader.c b/src/gallium/state_trackers/vega/shader.c
index 483ff15098f..3d397f9ed4c 100644
--- a/src/gallium/state_trackers/vega/shader.c
+++ b/src/gallium/state_trackers/vega/shader.c
@@ -137,12 +137,8 @@ static VGint blend_bind_samplers(struct vg_context *ctx,
bmode == VG_BLEND_SCREEN ||
bmode == VG_BLEND_DARKEN ||
bmode == VG_BLEND_LIGHTEN) {
- struct st_framebuffer *stfb = ctx->draw_buffer;
-
- vg_prepare_blend_surface(ctx);
-
samplers[2] = &ctx->blend_sampler;
- sampler_views[2] = stfb->blend_texture_view;
+ sampler_views[2] = vg_prepare_blend_surface(ctx);
if (!samplers[0] || !sampler_views[0]) {
samplers[0] = samplers[2];
diff --git a/src/gallium/state_trackers/vega/vg_context.c b/src/gallium/state_trackers/vega/vg_context.c
index 6ca80e70653..b7d59a559a2 100644
--- a/src/gallium/state_trackers/vega/vg_context.c
+++ b/src/gallium/state_trackers/vega/vg_context.c
@@ -406,7 +406,6 @@ void vg_validate_state(struct vg_context *ctx)
/* TODO create as needed */
vg_context_update_alpha_mask_view(ctx, stfb->width, stfb->height);
- vg_context_update_blend_texture_view(ctx, stfb->width, stfb->height);
renderer_validate(ctx->renderer, ctx->state.dirty,
ctx->draw_buffer, &ctx->state.vg);
@@ -438,75 +437,56 @@ void vg_set_error(struct vg_context *ctx,
ctx->_error = code;
}
-void vg_prepare_blend_surface(struct vg_context *ctx)
+static void vg_prepare_blend_texture(struct vg_context *ctx,
+ struct pipe_sampler_view *src)
+{
+ struct st_framebuffer *stfb = ctx->draw_buffer;
+ struct pipe_surface *surf;
+
+ vg_context_update_blend_texture_view(ctx, stfb->width, stfb->height);
+
+ surf = ctx->pipe->screen->get_tex_surface(ctx->pipe->screen,
+ stfb->blend_texture_view->texture, 0, 0, 0, PIPE_BIND_RENDER_TARGET);
+ if (surf) {
+ util_blit_pixels_tex(ctx->blit,
+ src, 0, 0, stfb->width, stfb->height,
+ surf, 0, 0, stfb->width, stfb->height,
+ 0.0, PIPE_TEX_MIPFILTER_NEAREST);
+
+ pipe_surface_reference(&surf, NULL);
+ }
+}
+
+struct pipe_sampler_view *vg_prepare_blend_surface(struct vg_context *ctx)
{
- struct pipe_surface *dest_surface = NULL;
struct pipe_context *pipe = ctx->pipe;
struct pipe_sampler_view *view;
struct pipe_sampler_view view_templ;
struct st_framebuffer *stfb = ctx->draw_buffer;
struct st_renderbuffer *strb = stfb->strb;
- /* first finish all pending rendering */
- vgFinish();
+ vg_validate_state(ctx);
u_sampler_view_default_template(&view_templ, strb->texture, strb->texture->format);
view = pipe->create_sampler_view(pipe, strb->texture, &view_templ);
- dest_surface = pipe->screen->get_tex_surface(pipe->screen,
- stfb->blend_texture_view->texture,
- 0, 0, 0,
- PIPE_BIND_RENDER_TARGET);
- util_blit_pixels_tex(ctx->blit,
- view,
- 0, 0,
- strb->width, strb->height,
- dest_surface,
- 0, 0,
- strb->width, strb->height,
- 0.0, PIPE_TEX_MIPFILTER_NEAREST);
-
- if (dest_surface)
- pipe_surface_reference(&dest_surface, NULL);
-
- /* make sure it's complete */
- vgFinish();
+ vg_prepare_blend_texture(ctx, view);
pipe_sampler_view_reference(&view, NULL);
+
+ return stfb->blend_texture_view;
}
-void vg_prepare_blend_surface_from_mask(struct vg_context *ctx)
+struct pipe_sampler_view *vg_prepare_blend_surface_from_mask(struct vg_context *ctx)
{
- struct pipe_surface *dest_surface = NULL;
- struct pipe_context *pipe = ctx->pipe;
struct st_framebuffer *stfb = ctx->draw_buffer;
- struct st_renderbuffer *strb = stfb->strb;
vg_validate_state(ctx);
- /* first finish all pending rendering */
- vgFinish();
-
- dest_surface = pipe->screen->get_tex_surface(pipe->screen,
- stfb->blend_texture_view->texture,
- 0, 0, 0,
- PIPE_BIND_RENDER_TARGET);
-
- util_blit_pixels_tex(ctx->blit,
- stfb->alpha_mask_view,
- 0, 0,
- strb->width, strb->height,
- dest_surface,
- 0, 0,
- strb->width, strb->height,
- 0.0, PIPE_TEX_MIPFILTER_NEAREST);
-
- /* make sure it's complete */
- vgFinish();
+ vg_prepare_blend_texture(ctx, stfb->alpha_mask_view);
- if (dest_surface)
- pipe_surface_reference(&dest_surface, NULL);
+ return stfb->blend_texture_view;
}
/**
diff --git a/src/gallium/state_trackers/vega/vg_context.h b/src/gallium/state_trackers/vega/vg_context.h
index 5d0bca33c52..32996f4678f 100644
--- a/src/gallium/state_trackers/vega/vg_context.h
+++ b/src/gallium/state_trackers/vega/vg_context.h
@@ -159,8 +159,8 @@ void vg_validate_state(struct vg_context *ctx);
void vg_set_error(struct vg_context *ctx,
VGErrorCode code);
-void vg_prepare_blend_surface(struct vg_context *ctx);
-void vg_prepare_blend_surface_from_mask(struct vg_context *ctx);
+struct pipe_sampler_view *vg_prepare_blend_surface(struct vg_context *ctx);
+struct pipe_sampler_view *vg_prepare_blend_surface_from_mask(struct vg_context *ctx);
VGboolean vg_get_paint_matrix(struct vg_context *ctx,
const struct matrix *paint_to_user,