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-rw-r--r--src/gallium/state_trackers/vega/renderer.c78
1 files changed, 48 insertions, 30 deletions
diff --git a/src/gallium/state_trackers/vega/renderer.c b/src/gallium/state_trackers/vega/renderer.c
index 7d0ff32e95e..9e0d5a34bbe 100644
--- a/src/gallium/state_trackers/vega/renderer.c
+++ b/src/gallium/state_trackers/vega/renderer.c
@@ -83,7 +83,12 @@ struct renderer {
struct pipe_framebuffer_state fb;
} g3d;
- struct pipe_resource *vs_const_buffer;
+ struct pipe_resource *vs_cbuf;;
+ VGfloat vs_cbuf_data[8];
+
+ struct pipe_resource *fs_cbuf;
+ VGfloat fs_cbuf_data[32];
+ VGint fs_cbuf_len;
struct pipe_vertex_element velems[2];
VGfloat vertices[4][2][4];
@@ -414,17 +419,28 @@ static void renderer_set_custom_fs(struct renderer *renderer,
/* upload fs constant buffer */
if (const_buffer_len) {
- struct pipe_resource *cbuf;
-
- cbuf = pipe_buffer_create(renderer->pipe->screen,
- PIPE_BIND_CONSTANT_BUFFER, const_buffer_len);
- pipe_buffer_write(renderer->pipe, cbuf, 0,
- const_buffer_len, const_buffer);
- renderer->pipe->set_constant_buffer(renderer->pipe,
- PIPE_SHADER_FRAGMENT, 0, cbuf);
-
- /* destroy cbuf automatically */
- pipe_resource_reference(&cbuf, NULL);
+ struct pipe_resource *cbuf = renderer->fs_cbuf;
+
+ if (!cbuf || renderer->fs_cbuf_len != const_buffer_len ||
+ memcmp(renderer->fs_cbuf_data, const_buffer, const_buffer_len)) {
+ pipe_resource_reference(&cbuf, NULL);
+
+ cbuf = pipe_buffer_create(renderer->pipe->screen,
+ PIPE_BIND_CONSTANT_BUFFER, const_buffer_len);
+ pipe_buffer_write(renderer->pipe, cbuf, 0,
+ const_buffer_len, const_buffer);
+ renderer->pipe->set_constant_buffer(renderer->pipe,
+ PIPE_SHADER_FRAGMENT, 0, cbuf);
+
+ renderer->fs_cbuf = cbuf;
+ if (const_buffer_len <= sizeof(renderer->fs_cbuf_data)) {
+ memcpy(renderer->fs_cbuf_data, const_buffer, const_buffer_len);
+ renderer->fs_cbuf_len = const_buffer_len;
+ }
+ else {
+ renderer->fs_cbuf_len = 0;
+ }
+ }
}
}
@@ -1137,14 +1153,9 @@ void renderer_destroy(struct renderer *ctx)
cso_delete_fragment_shader(ctx->cso, ctx->cached_fs[i]);
}
- pipe_resource_reference(&ctx->vs_const_buffer, NULL);
+ pipe_resource_reference(&ctx->vs_cbuf, NULL);
+ pipe_resource_reference(&ctx->fs_cbuf, NULL);
-#if 0
- if (ctx->fs) {
- cso_delete_fragment_shader(ctx->cso, ctx->fs);
- ctx->fs = NULL;
- }
-#endif
FREE(ctx);
}
@@ -1273,7 +1284,7 @@ void renderer_validate(struct renderer *renderer,
if (dirty & FRAMEBUFFER_DIRTY) {
struct pipe_framebuffer_state *fb = &renderer->g3d.fb;
- struct pipe_resource **cbuf = &renderer->vs_const_buffer;
+ struct pipe_resource *cbuf;
VGfloat vs_consts[8];
memset(fb, 0, sizeof(struct pipe_framebuffer_state));
@@ -1296,17 +1307,24 @@ void renderer_validate(struct renderer *renderer,
vs_consts[6] = 0.0f;
vs_consts[7] = 0.0f;
- pipe_resource_reference(cbuf, NULL);
- *cbuf = pipe_buffer_create(renderer->pipe->screen,
- PIPE_BIND_CONSTANT_BUFFER,
- sizeof(vs_consts));
-
- if (*cbuf) {
- pipe_buffer_write(renderer->pipe,
- *cbuf, 0, sizeof(vs_consts), vs_consts);
+ /* upload if needed */
+ cbuf = renderer->vs_cbuf;
+ if (!cbuf ||
+ memcmp(renderer->vs_cbuf_data, vs_consts, sizeof(vs_consts)) != 0) {
+ pipe_resource_reference(&cbuf, NULL);
+ cbuf = pipe_buffer_create(renderer->pipe->screen,
+ PIPE_BIND_CONSTANT_BUFFER,
+ sizeof(vs_consts));
+ if (cbuf) {
+ pipe_buffer_write(renderer->pipe, cbuf, 0,
+ sizeof(vs_consts), vs_consts);
+ }
+ renderer->pipe->set_constant_buffer(renderer->pipe,
+ PIPE_SHADER_VERTEX, 0, cbuf);
+
+ renderer->vs_cbuf = cbuf;
+ memcpy(renderer->vs_cbuf_data, vs_consts, sizeof(vs_consts));
}
- renderer->pipe->set_constant_buffer(renderer->pipe,
- PIPE_SHADER_VERTEX, 0, *cbuf);
/* we also got a new depth buffer */
if (dirty & DEPTH_STENCIL_DIRTY) {