i915g: Fix point sprites.
[mesa.git] / src / gallium / drivers / i915 / i915_context.c
index 4c5ff37ca8472cf6c63dadeb8073089802085929..ab4ea9a412ebc32bf782473123279e2b8f7a72eb 100644 (file)
 #include "i915_context.h"
 #include "i915_state.h"
 #include "i915_screen.h"
+#include "i915_surface.h"
 #include "i915_batch.h"
+#include "i915_resource.h"
 
 #include "draw/draw_context.h"
 #include "pipe/p_defines.h"
-#include "pipe/p_inlines.h"
+#include "util/u_inlines.h"
 #include "util/u_memory.h"
 #include "pipe/p_screen.h"
 
 
+DEBUG_GET_ONCE_BOOL_OPTION(i915_no_vbuf, "I915_NO_VBUF", FALSE)
+
+
 /*
  * Draw functions
  */
 
 
 static void
-i915_draw_range_elements(struct pipe_context *pipe,
-                         struct pipe_buffer *indexBuffer,
-                         unsigned indexSize,
-                         unsigned min_index,
-                         unsigned max_index,
-                         unsigned prim, unsigned start, unsigned count)
+i915_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
 {
    struct i915_context *i915 = i915_context(pipe);
    struct draw_context *draw = i915->draw;
-   unsigned i;
+   void *mapped_indices = NULL;
+   unsigned cbuf_dirty;
 
-   if (i915->dirty)
-      i915_update_derived(i915);
 
    /*
-    * Map vertex buffers
+    * Ack vs contants here, helps ipers a lot.
     */
-   for (i = 0; i < i915->num_vertex_buffers; i++) {
-      void *buf = pipe_buffer_map(pipe->screen, i915->vertex_buffer[i].buffer,
-                                  PIPE_BUFFER_USAGE_CPU_READ);
-      draw_set_mapped_vertex_buffer(draw, i, buf);
-   }
+   cbuf_dirty = i915->dirty & I915_NEW_VS_CONSTANTS;
+   i915->dirty &= ~I915_NEW_VS_CONSTANTS;
+
+   if (i915->dirty)
+      i915_update_derived(i915);
 
    /*
     * Map index buffer, if present
     */
-   if (indexBuffer) {
-      void *mapped_indexes = pipe_buffer_map(pipe->screen, indexBuffer,
-                                             PIPE_BUFFER_USAGE_CPU_READ);
-      draw_set_mapped_element_buffer_range(draw, indexSize,
-                                           min_index,
-                                           max_index,
-                                           mapped_indexes);
-   } else {
-      draw_set_mapped_element_buffer(draw, 0, NULL);
+   if (info->indexed && i915->index_buffer.buffer)
+      mapped_indices = i915_buffer(i915->index_buffer.buffer)->data;
+   draw_set_mapped_index_buffer(draw, mapped_indices);
+
+   if (cbuf_dirty) {
+      if (i915->constants[PIPE_SHADER_VERTEX])
+         draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0,
+                                         i915_buffer(i915->constants[PIPE_SHADER_VERTEX])->data,
+                                         (i915->current.num_user_constants[PIPE_SHADER_VERTEX] * 
+                                         4 * sizeof(float)));
+      else
+         draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0, NULL, 0);
    }
 
-
-   draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX,
-                                   i915->current.constants[PIPE_SHADER_VERTEX],
-                                   (i915->current.num_user_constants[PIPE_SHADER_VERTEX] * 
-                                      4 * sizeof(float)));
-
    /*
     * Do the drawing
     */
-   draw_arrays(i915->draw, prim, start, count);
-
-   /*
-    * unmap vertex/index buffers
-    */
-   for (i = 0; i < i915->num_vertex_buffers; i++) {
-      pipe_buffer_unmap(pipe->screen, i915->vertex_buffer[i].buffer);
-      draw_set_mapped_vertex_buffer(draw, i, NULL);
-   }
-
-   if (indexBuffer) {
-      pipe_buffer_unmap(pipe->screen, indexBuffer);
-      draw_set_mapped_element_buffer_range(draw, 0, start, start + count - 1, NULL);
-   }
-}
-
-static void
-i915_draw_elements(struct pipe_context *pipe,
-                   struct pipe_buffer *indexBuffer,
-                   unsigned indexSize,
-                   unsigned prim, unsigned start, unsigned count)
-{
-   i915_draw_range_elements(pipe, indexBuffer,
-                            indexSize,
-                            0, 0xffffffff,
-                            prim, start, count);
-}
-
-static void
-i915_draw_arrays(struct pipe_context *pipe,
-                 unsigned prim, unsigned start, unsigned count)
-{
-   i915_draw_elements(pipe, NULL, 0, prim, start, count);
-}
-
-
-/*
- * Is referenced functions
- */
-
-
-static unsigned int
-i915_is_texture_referenced(struct pipe_context *pipe,
-                           struct pipe_texture *texture,
-                           unsigned face, unsigned level)
-{
-   /**
-    * FIXME: Return the corrent result. We can't alays return referenced
-    *        since it causes a double flush within the vbo module.
-    */
-#if 0
-   return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
-#else
-   return 0;
-#endif
-}
+   draw_vbo(i915->draw, info);
 
-static unsigned int
-i915_is_buffer_referenced(struct pipe_context *pipe,
-                          struct pipe_buffer *buf)
-{
-   /*
-    * Since we never expose hardware buffers to the state tracker
-    * they can never be referenced, so this isn't a lie
-    */
-   return 0;
+   if (mapped_indices)
+      draw_set_mapped_index_buffer(draw, NULL);
 }
 
 
@@ -169,7 +103,10 @@ static void i915_destroy(struct pipe_context *pipe)
    int i;
 
    draw_destroy(i915->draw);
-   
+
+   if (i915->blitter)
+      util_blitter_destroy(i915->blitter);
+
    if(i915->batch)
       i915->iws->batchbuffer_destroy(i915->batch);
 
@@ -179,11 +116,16 @@ static void i915_destroy(struct pipe_context *pipe)
    }
    pipe_surface_reference(&i915->framebuffer.zsbuf, NULL);
 
+   /* unbind constant buffers */
+   for (i = 0; i < PIPE_SHADER_TYPES; i++) {
+      pipe_resource_reference(&i915->constants[i], NULL);
+   }
+
    FREE(i915);
 }
 
 struct pipe_context *
-i915_create_context(struct pipe_screen *screen)
+i915_create_context(struct pipe_screen *screen, void *priv)
 {
    struct i915_context *i915;
 
@@ -194,24 +136,33 @@ i915_create_context(struct pipe_screen *screen)
    i915->iws = i915_screen(screen)->iws;
    i915->base.winsys = NULL;
    i915->base.screen = screen;
+   i915->base.priv = priv;
 
    i915->base.destroy = i915_destroy;
 
-   i915->base.clear = i915_clear;
+   if (i915_screen(screen)->debug.use_blitter)
+      i915->base.clear = i915_clear_blitter;
+   else
+      i915->base.clear = i915_clear_render;
+
+   i915->base.draw_vbo = i915_draw_vbo;
 
-   i915->base.draw_arrays = i915_draw_arrays;
-   i915->base.draw_elements = i915_draw_elements;
-   i915->base.draw_range_elements = i915_draw_range_elements;
+   /* init this before draw */
+   util_slab_create(&i915->transfer_pool, sizeof(struct pipe_transfer),
+                    16, UTIL_SLAB_SINGLETHREADED);
+   util_slab_create(&i915->texture_transfer_pool, sizeof(struct i915_transfer),
+                    16, UTIL_SLAB_SINGLETHREADED);
 
-   i915->base.is_texture_referenced = i915_is_texture_referenced;
-   i915->base.is_buffer_referenced = i915_is_buffer_referenced;
+   /* Batch stream debugging is a bit hacked up at the moment:
+    */
+   i915->batch = i915->iws->batchbuffer_create(i915->iws);
 
    /*
     * Create drawing context and plug our rendering stage into it.
     */
-   i915->draw = draw_create();
+   i915->draw = draw_create(&i915->base);
    assert(i915->draw);
-   if (!debug_get_bool_option("I915_NO_VBUF", FALSE)) {
+   if (!debug_get_option_i915_no_vbuf()) {
       draw_set_rasterize_stage(i915->draw, i915_draw_vbuf_stage(i915));
    } else {
       draw_set_rasterize_stage(i915->draw, i915_draw_render_stage(i915));
@@ -220,16 +171,25 @@ i915_create_context(struct pipe_screen *screen)
    i915_init_surface_functions(i915);
    i915_init_state_functions(i915);
    i915_init_flush_functions(i915);
+   i915_init_resource_functions(i915);
 
    draw_install_aaline_stage(i915->draw, &i915->base);
    draw_install_aapoint_stage(i915->draw, &i915->base);
+   draw_enable_point_sprites(i915->draw, TRUE);
+
+   /* augmented draw pipeline clobbers state functions */
+   i915_init_fixup_state_functions(i915);
+
+   /* Create blitter last - calls state creation functions. */
+   i915->blitter = util_blitter_create(&i915->base);
+   assert(i915->blitter);
 
    i915->dirty = ~0;
    i915->hardware_dirty = ~0;
-
-   /* Batch stream debugging is a bit hacked up at the moment:
-    */
-   i915->batch = i915->iws->batchbuffer_create(i915->iws);
+   i915->immediate_dirty = ~0;
+   i915->dynamic_dirty = ~0;
+   i915->static_dirty = ~0;
+   i915->flush_dirty = 0;
 
    return &i915->base;
 }