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-rw-r--r--src/gallium/auxiliary/util/u_blitter.c10
-rw-r--r--src/gallium/auxiliary/util/u_blitter.h15
2 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
index 8e5ed459495..9fbef9be82a 100644
--- a/src/gallium/auxiliary/util/u_blitter.c
+++ b/src/gallium/auxiliary/util/u_blitter.c
@@ -283,6 +283,7 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state);
}
+ ctx->base.cb_slot = 0; /* 0 for now */
ctx->base.vb_slot = 0; /* 0 for now */
/* vertex elements states */
@@ -698,6 +699,15 @@ void util_blitter_restore_textures(struct blitter_context *blitter)
ctx->base.saved_num_sampler_views = ~0;
}
+void util_blitter_restore_constant_buffer_state(struct blitter_context *blitter)
+{
+ struct pipe_context *pipe = blitter->pipe;
+
+ pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, blitter->cb_slot,
+ &blitter->saved_fs_constant_buffer);
+ pipe_resource_reference(&blitter->saved_fs_constant_buffer.buffer, NULL);
+}
+
static void blitter_set_rectangle(struct blitter_context_priv *ctx,
int x1, int y1, int x2, int y2,
float depth)
diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h
index 06e21e64ba2..0f5da6bd3a7 100644
--- a/src/gallium/auxiliary/util/u_blitter.h
+++ b/src/gallium/auxiliary/util/u_blitter.h
@@ -111,6 +111,9 @@ struct blitter_context
unsigned saved_num_sampler_views;
struct pipe_sampler_view *saved_sampler_views[PIPE_MAX_SAMPLERS];
+ unsigned cb_slot;
+ struct pipe_constant_buffer saved_fs_constant_buffer;
+
unsigned vb_slot;
struct pipe_vertex_buffer saved_vertex_buffer;
@@ -486,6 +489,17 @@ util_blitter_save_fragment_sampler_views(struct blitter_context *blitter,
}
static inline void
+util_blitter_save_fragment_constant_buffer_slot(
+ struct blitter_context *blitter,
+ struct pipe_constant_buffer *constant_buffers)
+{
+ pipe_resource_reference(&blitter->saved_fs_constant_buffer.buffer,
+ constant_buffers[blitter->cb_slot].buffer);
+ memcpy(&blitter->saved_fs_constant_buffer, &constant_buffers[blitter->cb_slot],
+ sizeof(struct pipe_constant_buffer));
+}
+
+static inline void
util_blitter_save_vertex_buffer_slot(struct blitter_context *blitter,
struct pipe_vertex_buffer *vertex_buffers)
{
@@ -536,6 +550,7 @@ void util_blitter_restore_fragment_states(struct blitter_context *blitter);
void util_blitter_restore_render_cond(struct blitter_context *blitter);
void util_blitter_restore_fb_state(struct blitter_context *blitter);
void util_blitter_restore_textures(struct blitter_context *blitter);
+void util_blitter_restore_constant_buffer_state(struct blitter_context *blitter);
#ifdef __cplusplus
}