st/vega: Make shader_bind call into the renderer.

With this commit, the pipe states are entirely managed by the renderer.
The rest of the code interfaces with the renderer instead of
manipulating the states directly.

3 files changed, 45 insertions, 31 deletions

diff --git a/src/gallium/state_trackers/vega/renderer.c b/src/gallium/state_trackers/vega/renderer.c
index d3fdf906e47..2c5b5df8800 100644
--- a/src/gallium/state_trackers/vega/renderer.c
+++ b/src/gallium/state_trackers/vega/renderer.c
@@ -1301,6 +1301,22 @@ void renderer_validate(struct renderer *renderer,
    }
 }
 
+/**
+ * Prepare the renderer for OpenVG pipeline.
+ */
+void renderer_validate_for_shader(struct renderer *renderer,
+                                  const struct pipe_sampler_state **samplers,
+                                  struct pipe_sampler_view **views,
+                                  VGint num_samplers,
+                                  void *fs,
+                                  const void *const_buffer,
+                                  VGint const_buffer_len)
+{
+   renderer_set_custom_fs(renderer, fs,
+                          samplers, views, num_samplers,
+                          const_buffer, const_buffer_len);
+}
+
 void renderer_draw_quad(struct renderer *r,
                         VGfloat x1, VGfloat y1,
                         VGfloat x2, VGfloat y2,
diff --git a/src/gallium/state_trackers/vega/renderer.h b/src/gallium/state_trackers/vega/renderer.h
index 763e57def58..88d0a89fc2b 100644
--- a/src/gallium/state_trackers/vega/renderer.h
+++ b/src/gallium/state_trackers/vega/renderer.h
@@ -50,6 +50,14 @@ void renderer_validate(struct renderer *renderer,
                        const struct st_framebuffer *stfb,
                        const struct vg_state *state);
 
+void renderer_validate_for_shader(struct renderer *renderer,
+                                  const struct pipe_sampler_state **samplers,
+                                  struct pipe_sampler_view **views,
+                                  VGint num_samplers,
+                                  void *fs,
+                                  const void *const_buffer,
+                                  VGint const_buffer_len);
+
 VGboolean renderer_copy_begin(struct renderer *renderer,
                               struct pipe_surface *dst,
                               VGboolean y0_top,
diff --git a/src/gallium/state_trackers/vega/shader.c b/src/gallium/state_trackers/vega/shader.c
index eab1349639c..080b37c586e 100644
--- a/src/gallium/state_trackers/vega/shader.c
+++ b/src/gallium/state_trackers/vega/shader.c
@@ -31,6 +31,7 @@
 #include "paint.h"
 #include "mask.h"
 #include "image.h"
+#include "renderer.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_screen.h"
@@ -91,31 +92,14 @@ struct vg_paint * shader_paint(struct shader *shader)
    return shader->paint;
 }
 
-
-static void setup_constant_buffer(struct shader *shader)
+static VGint setup_constant_buffer(struct shader *shader)
 {
-   struct vg_context *ctx = shader->context;
-   struct pipe_context *pipe = shader->context->pipe;
-   struct pipe_resource **cbuf = &shader->cbuf;
    VGint param_bytes = paint_constant_buffer_size(shader->paint);
-   float temp_buf[MAX_CONSTANTS];
 
-   assert(param_bytes <= sizeof(temp_buf));
-   paint_fill_constant_buffer(shader->paint, temp_buf);
+   assert(param_bytes <= sizeof(shader->constants));
+   paint_fill_constant_buffer(shader->paint, shader->constants);
 
-   if (*cbuf == NULL ||
-       memcmp(temp_buf, shader->constants, param_bytes) != 0)
-   {
-      pipe_resource_reference(cbuf, NULL);
-
-      memcpy(shader->constants, temp_buf, param_bytes);
-      *cbuf = pipe_user_buffer_create(pipe->screen,
-                                      &shader->constants,
-                                      sizeof(shader->constants),
-				      PIPE_BIND_VERTEX_BUFFER);
-   }
-
-   ctx->pipe->set_constant_buffer(ctx->pipe, PIPE_SHADER_FRAGMENT, 0, *cbuf);
+   return param_bytes;
 }
 
 static VGint blend_bind_samplers(struct vg_context *ctx,
@@ -149,10 +133,10 @@ static VGint blend_bind_samplers(struct vg_context *ctx,
    return 0;
 }
 
-static void setup_samplers(struct shader *shader)
+static VGint setup_samplers(struct shader *shader,
+                            struct pipe_sampler_state **samplers,
+                            struct pipe_sampler_view **sampler_views)
 {
-   struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
-   struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
    struct vg_context *ctx = shader->context;
    /* a little wonky: we use the num as a boolean that just says
     * whether any sampler/textures have been set. the actual numbering
@@ -179,10 +163,7 @@ static void setup_samplers(struct shader *shader)
    if (shader->drawing_image && shader->image)
       num += image_bind_samplers(shader->image, samplers, sampler_views);
 
-   if (num) {
-      cso_set_samplers(ctx->cso_context, 4, (const struct pipe_sampler_state **)samplers);
-      cso_set_fragment_sampler_views(ctx->cso_context, 4, sampler_views);
-   }
+   return (num) ? 4 : 0;
 }
 
 static INLINE VGboolean is_format_bw(struct shader *shader)
@@ -271,18 +252,27 @@ static void setup_shader_program(struct shader *shader)
       shader_id |= VEGA_BW_SHADER;
 
    shader->fs = shaders_cache_fill(ctx->sc, shader_id);
-   cso_set_fragment_shader_handle(ctx->cso_context, shader->fs);
 }
 
 
 void shader_bind(struct shader *shader)
 {
+   struct vg_context *ctx = shader->context;
+   struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
+   struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
+   VGint num_samplers, param_bytes;
+
    /* first resolve the real paint type */
    paint_resolve_type(shader->paint);
 
-   setup_constant_buffer(shader);
-   setup_samplers(shader);
+   num_samplers = setup_samplers(shader, samplers, sampler_views);
+   param_bytes = setup_constant_buffer(shader);
    setup_shader_program(shader);
+
+   renderer_validate_for_shader(ctx->renderer,
+         (const struct pipe_sampler_state **) samplers,
+         sampler_views, num_samplers,
+         shader->fs, (const void *) shader->constants, param_bytes);
 }
 
 void shader_set_image_mode(struct shader *shader, VGImageMode image_mode)