st/xa: surfaces and sampler views are per context

Don't store references to these on the surface but on the context.
References to transfers are still stored on the surface since we allow
only a single map of a surface at a time.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

src/gallium/state_trackers/xa/xa_composite.c

@@ -365,7 +365,7 @@ bind_shaders(struct xa_context *ctx, const struct xa_composite *comp)
 	fs_traits |= picture_format_fixups(mask_pic, 1);
     }
 
-    if (ctx->dst->srf->format == PIPE_FORMAT_L8_UNORM)
+    if (ctx->srf->format == PIPE_FORMAT_L8_UNORM)
 	fs_traits |= FS_DST_LUMINANCE;
 
     shader = xa_shaders_get(ctx->shaders, vs_traits, fs_traits);
@@ -455,14 +455,13 @@ xa_composite_prepare(struct xa_context *ctx,
     struct xa_surface *dst_srf = comp->dst->srf;
     int ret;
 
-    ret = xa_surface_psurf_create(ctx, dst_srf);
+    ret = xa_ctx_srf_create(ctx, dst_srf);
     if (ret != XA_ERR_NONE)
 	return ret;
 
     ctx->dst = dst_srf;
-    renderer_bind_destination(ctx, dst_srf->srf,
-			      dst_srf->srf->width,
-			      dst_srf->srf->height);
+    renderer_bind_destination(ctx, ctx->srf, ctx->srf->width,
+			      ctx->srf->height);
 
     ret = bind_composite_blend_state(ctx, comp);
     if (ret != XA_ERR_NONE)
@@ -479,7 +478,7 @@ xa_composite_prepare(struct xa_context *ctx,
 	ctx->comp = comp;
     }
 
-    xa_surface_psurf_destroy(dst_srf);
+    xa_ctx_srf_destroy(ctx);
     return XA_ERR_NONE;
 }
 
@@ -514,7 +513,7 @@ xa_composite_done(struct xa_context *ctx)
 
     ctx->comp = NULL;
     ctx->has_solid_color = FALSE;
-    ctx->num_bound_samplers = 0;
+    xa_ctx_sampler_views_destroy(ctx);
 }
 
 static const struct xa_composite_allocation a = {

src/gallium/state_trackers/xa/xa_context.c

@@ -72,6 +72,8 @@ xa_context_destroy(struct xa_context *r)
 	r->shaders = NULL;
     }
 
+    xa_ctx_sampler_views_destroy(r);
+
     if (r->cso) {
 	cso_release_all(r->cso);
 	cso_destroy_context(r->cso);
@@ -136,6 +138,9 @@ xa_surface_map(struct xa_context *ctx,
     unsigned int transfer_direction = 0;
     struct pipe_context *pipe = ctx->pipe;
 
+    /*
+     * A surface may only have a single map.
+     */
     if (srf->transfer)
 	return NULL;
 
@@ -174,12 +179,12 @@ xa_surface_unmap(struct xa_surface *srf)
 }
 
 int
-xa_surface_psurf_create(struct xa_context *ctx, struct xa_surface *dst)
+xa_ctx_srf_create(struct xa_context *ctx, struct xa_surface *dst)
 {
     struct pipe_screen *screen = ctx->pipe->screen;
     struct pipe_surface srf_templ;
 
-    if (dst->srf)
+    if (ctx->srf)
 	return -XA_ERR_INVAL;
 
     if (!screen->is_format_supported(screen,  dst->tex->format,
@@ -189,37 +194,38 @@ xa_surface_psurf_create(struct xa_context *ctx, struct xa_surface *dst)
 
     u_surface_default_template(&srf_templ, dst->tex,
 			       PIPE_BIND_RENDER_TARGET);
-    dst->srf = ctx->pipe->create_surface(ctx->pipe, dst->tex, &srf_templ);
-    if (!dst->srf)
+    ctx->srf = ctx->pipe->create_surface(ctx->pipe, dst->tex, &srf_templ);
+    if (!ctx->srf)
 	return -XA_ERR_NORES;
 
     return XA_ERR_NONE;
 }
 
 void
-xa_surface_psurf_destroy(struct xa_surface *dst)
+xa_ctx_srf_destroy(struct xa_context *ctx)
 {
-    pipe_surface_reference(&dst->srf, NULL);
+    pipe_surface_reference(&ctx->srf, NULL);
 }
 
 int
 xa_copy_prepare(struct xa_context *ctx,
 		struct xa_surface *dst, struct xa_surface *src)
 {
-    if (src == dst || dst->srf != NULL)
+    if (src == dst || ctx->srf != NULL)
 	return -XA_ERR_INVAL;
 
     if (src->tex->format != dst->tex->format) {
-	int ret = xa_surface_psurf_create(ctx, dst);
+	int ret = xa_ctx_srf_create(ctx, dst);
 	if (ret != XA_ERR_NONE)
 	    return ret;
-	renderer_copy_prepare(ctx, dst->srf, src->tex);
+	renderer_copy_prepare(ctx, ctx->srf, src->tex);
 	ctx->simple_copy = 0;
     } else
 	ctx->simple_copy = 1;
 
     ctx->src = src;
     ctx->dst = dst;
+    xa_ctx_srf_destroy(ctx);
 
     return 0;
 }
@@ -238,7 +244,8 @@ xa_copy(struct xa_context *ctx,
 					0, &src_box);
     } else
 	renderer_copy(ctx, dx, dy, sx, sy, width, height,
-		      (float) width, (float) height);
+		      (float) ctx->src->tex->width0,
+		      (float) ctx->src->tex->height0);
 }
 
 void
@@ -247,7 +254,6 @@ xa_copy_done(struct xa_context *ctx)
     if (!ctx->simple_copy) {
 	   renderer_draw_flush(ctx);
 	   ctx->pipe->flush(ctx->pipe, &ctx->last_fence);
-	   xa_surface_psurf_destroy(ctx->dst);
     } else
 	ctx->pipe->flush(ctx->pipe, &ctx->last_fence);
 }
@@ -278,19 +284,19 @@ xa_solid_prepare(struct xa_context *ctx, struct xa_surface *dst,
     int width, height;
     int ret;
 
-    ret = xa_surface_psurf_create(ctx, dst);
+    ret = xa_ctx_srf_create(ctx, dst);
     if (ret != XA_ERR_NONE)
 	return ret;
 
-    if (dst->srf->format == PIPE_FORMAT_L8_UNORM)
+    if (ctx->srf->format == PIPE_FORMAT_L8_UNORM)
 	xa_pixel_to_float4_a8(fg, ctx->solid_color);
     else
 	xa_pixel_to_float4(fg, ctx->solid_color);
     ctx->has_solid_color = 1;
 
     ctx->dst = dst;
-    width = dst->srf->width;
-    height = dst->srf->height;
+    width = ctx->srf->width;
+    height = ctx->srf->height;
 
 #if 0
     debug_printf("Color Pixel=(%d, %d, %d, %d), RGBA=(%f, %f, %f, %f)\n",
@@ -303,7 +309,7 @@ xa_solid_prepare(struct xa_context *ctx, struct xa_surface *dst,
     vs_traits = VS_SOLID_FILL;
     fs_traits = FS_SOLID_FILL;
 
-    renderer_bind_destination(ctx, dst->srf, width, height);
+    renderer_bind_destination(ctx, ctx->srf, width, height);
     bind_solid_blend_state(ctx);
     cso_set_samplers(ctx->cso, 0, NULL);
     cso_set_fragment_sampler_views(ctx->cso, 0, NULL);
@@ -314,7 +320,7 @@ xa_solid_prepare(struct xa_context *ctx, struct xa_surface *dst,
 
     renderer_begin_solid(ctx);
 
-    xa_surface_psurf_destroy(dst);
+    xa_ctx_srf_destroy(ctx);
     return XA_ERR_NONE;
 }
 
@@ -387,3 +393,13 @@ xa_fence_destroy(struct xa_fence *fence)
 
     free(fence);
 }
+
+void
+xa_ctx_sampler_views_destroy(struct xa_context *ctx)
+{
+    int i;
+
+    for (i = 0; i < ctx->num_bound_samplers; ++i)
+	pipe_sampler_view_reference(&ctx->bound_sampler_views[i], NULL);
+    ctx->num_bound_samplers = 0;
+}

src/gallium/state_trackers/xa/xa_priv.h

@@ -56,11 +56,9 @@ struct xa_surface {
     struct pipe_resource template;
     struct xa_tracker *xa;
     struct pipe_resource *tex;
-    struct pipe_surface *srf;
-    struct pipe_sampler_view *view;
+    struct pipe_transfer *transfer;
     unsigned int flags;
     struct xa_format_descriptor fdesc;
-    struct pipe_transfer *transfer;
     struct pipe_context *mapping_pipe;
 };
 
@@ -97,6 +95,8 @@ struct xa_context {
     struct pipe_fence_handle *last_fence;
     struct xa_surface *src;
     struct xa_surface *dst;
+    struct pipe_surface *srf;
+
     int simple_copy;
 
     int has_solid_color;
@@ -200,10 +200,13 @@ struct xa_shader xa_shaders_get(struct xa_shaders *shaders,
  * xa_context.c
  */
 extern int
-xa_surface_psurf_create(struct xa_context *ctx, struct xa_surface *dst);
+xa_ctx_srf_create(struct xa_context *ctx, struct xa_surface *dst);
 
 extern void
-xa_surface_psurf_destroy(struct xa_surface *dst);
+xa_ctx_srf_destroy(struct xa_context *ctx);
+
+extern void
+xa_ctx_sampler_views_destroy(struct xa_context *ctx);
 
 /*
  * xa_renderer.c

src/gallium/state_trackers/xa/xa_tracker.c

@@ -314,7 +314,6 @@ xa_surface_create(struct xa_tracker *xa,
     if (!srf->tex)
 	goto out_no_tex;
 
-    srf->srf = NULL;
     srf->xa = xa;
     srf->flags = flags;
     srf->fdesc = fdesc;
@@ -341,8 +340,10 @@ xa_surface_redefine(struct xa_surface *srf,
     struct xa_tracker *xa = srf->xa;
     int save_width;
     int save_height;
+    unsigned int save_format;
     struct xa_format_descriptor fdesc;
 
+
     if (xa_format == xa_format_unknown)
 	fdesc = xa_get_format_stype_depth(xa, stype, depth);
     else
@@ -373,19 +374,20 @@ xa_surface_redefine(struct xa_surface *srf,
 
     save_width = template->width0;
     save_height = template->height0;
+    save_format = template->format;
 
     template->width0 = width;
     template->height0 = height;
+    template->format = fdesc.format;
 
     texture = xa->screen->resource_create(xa->screen, template);
     if (!texture) {
 	template->width0 = save_width;
 	template->height0 = save_height;
+	template->format = save_format;
 	return -XA_ERR_NORES;
     }
 
-    pipe_surface_reference(&srf->srf, NULL);
-
     if (copy_contents) {
 	struct pipe_context *pipe = xa->default_ctx->pipe;
 
@@ -407,7 +409,6 @@ xa_surface_redefine(struct xa_surface *srf,
 void
 xa_surface_destroy(struct xa_surface *srf)
 {
-    pipe_surface_reference(&srf->srf, NULL);
     pipe_resource_reference(&srf->tex, NULL);
     free(srf);
 }

src/gallium/state_trackers/xa/xa_yuv.c

@@ -71,7 +71,6 @@ xa_yuv_bind_samplers(struct xa_context *r, struct xa_surface *yuv[])
 {
     struct pipe_sampler_state *samplers[3];
     struct pipe_sampler_state sampler;
-    struct pipe_sampler_view *views[3];
     struct pipe_sampler_view view_templ;
     unsigned int i;
 
@@ -86,19 +85,15 @@ xa_yuv_bind_samplers(struct xa_context *r, struct xa_surface *yuv[])
 
     for (i = 0; i < 3; ++i) {
 	samplers[i] = &sampler;
-	if (!yuv[i]->view) {
-	    u_sampler_view_default_template(&view_templ,
-					    yuv[i]->tex, yuv[i]->tex->format);
+	u_sampler_view_default_template(&view_templ, yuv[i]->tex,
+					yuv[i]->tex->format);
 
-	    yuv[i]->view = r->pipe->create_sampler_view(r->pipe,
-							yuv[i]->tex,
-							&view_templ);
-	}
-	views[i] = yuv[i]->view;
+	r->bound_sampler_views[i] =
+	    r->pipe->create_sampler_view(r->pipe, yuv[i]->tex, &view_templ);
     }
-
+    r->num_bound_samplers = 3;
     cso_set_samplers(r->cso, 3, (const struct pipe_sampler_state **)samplers);
-    cso_set_fragment_sampler_views(r->cso, 3, views);
+    cso_set_fragment_sampler_views(r->cso, 3, r->bound_sampler_views);
 }
 
 static void
@@ -110,16 +105,6 @@ xa_yuv_fs_constants(struct xa_context *r, const float conversion_matrix[])
 			   conversion_matrix, param_bytes);
 }
 
-static void
-xa_yuv_destroy_sampler_views(struct xa_surface *yuv[])
-{
-    unsigned int i;
-
-    for (i = 0; i < 3; ++i) {
-	pipe_sampler_view_reference(&yuv[i]->view, NULL);
-    }
-}
-
 extern int
 xa_yuv_planar_blit(struct xa_context *r,
 		   int src_x,
@@ -137,18 +122,16 @@ xa_yuv_planar_blit(struct xa_context *r,
 {
     float scale_x;
     float scale_y;
-    struct pipe_surface srf_templ;
+    int ret;
 
     if (dst_w == 0 || dst_h == 0)
 	return XA_ERR_NONE;
 
-    memset(&srf_templ, 0, sizeof(srf_templ));
-    u_surface_default_template(&srf_templ, dst->tex, PIPE_BIND_RENDER_TARGET);
-    dst->srf = r->pipe->create_surface(r->pipe, dst->tex, &srf_templ);
-    if (!dst->srf)
+    ret = xa_ctx_srf_create(r, dst);
+    if (ret != XA_ERR_NONE)
 	return -XA_ERR_NORES;
 
-    renderer_bind_destination(r, dst->srf, dst->srf->width, dst->srf->height);
+    renderer_bind_destination(r, r->srf, r->srf->width, r->srf->height);
     xa_yuv_bind_blend_state(r);
     xa_yuv_bind_shaders(r);
     xa_yuv_bind_samplers(r, yuv);
@@ -172,8 +155,8 @@ xa_yuv_planar_blit(struct xa_context *r,
 
     r->pipe->flush(r->pipe, &r->last_fence);
 
-    xa_yuv_destroy_sampler_views(yuv);
-    pipe_surface_reference(&dst->srf, NULL);
+    xa_ctx_sampler_views_destroy(r);
+    xa_ctx_srf_destroy(r);
 
     return XA_ERR_NONE;
 }