i915_context.c File Reference

Include dependency graph for i915_context.c:

Go to the source code of this file.

Functions
static void	i915_destroy (struct pipe_context *pipe)
static boolean	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)
static boolean	i915_draw_elements (struct pipe_context *pipe, struct pipe_buffer *indexBuffer, unsigned indexSize, unsigned prim, unsigned start, unsigned count)
static boolean	i915_draw_arrays (struct pipe_context *pipe, unsigned prim, unsigned start, unsigned count)
struct pipe_context *	i915_create_context (struct pipe_screen *screen, struct pipe_winsys *pipe_winsys, struct i915_winsys *i915_winsys)

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Function Documentation

struct pipe_context* i915_create_context	(	struct pipe_screen *	screen,
		struct pipe_winsys *	pipe_winsys,
		struct i915_winsys *	i915_winsys
	)			[read]

Definition at line 140 of file i915_context.c.

References assert, i915_context::batch, i915_winsys::batch_get, CALLOC_STRUCT, pipe_context::clear, debug_get_bool_option(), pipe_context::destroy, i915_context::dirty, i915_context::draw, pipe_context::draw_arrays, draw_create(), pipe_context::draw_elements, draw_install_aaline_stage(), draw_install_aapoint_stage(), pipe_context::draw_range_elements, draw_set_rasterize_stage(), FALSE, i915_context::hardware_dirty, i915_clear(), i915_destroy(), i915_draw_arrays(), i915_draw_elements(), i915_draw_range_elements(), i915_draw_render_stage(), i915_draw_vbuf_stage(), i915_init_flush_functions(), i915_init_state_functions(), i915_init_surface_functions(), i915_init_texture_functions(), i915_context::pipe, pipe_context::screen, i915_batchbuffer::winsys, pipe_context::winsys, and i915_context::winsys.

{
   struct i915_context *i915;

   i915 = CALLOC_STRUCT(i915_context);
   if (i915 == NULL)
      return NULL;

   i915->winsys = i915_winsys;
   i915->pipe.winsys = pipe_winsys;
   i915->pipe.screen = screen;

   i915->pipe.destroy = i915_destroy;

   i915->pipe.clear = i915_clear;


   i915->pipe.draw_arrays = i915_draw_arrays;
   i915->pipe.draw_elements = i915_draw_elements;
   i915->pipe.draw_range_elements = i915_draw_range_elements;

   /*
    * Create drawing context and plug our rendering stage into it.
    */
   i915->draw = draw_create();
   assert(i915->draw);
   if (!debug_get_bool_option("I915_NO_VBUF", FALSE)) {
      draw_set_rasterize_stage(i915->draw, i915_draw_vbuf_stage(i915));
   }
   else {
      draw_set_rasterize_stage(i915->draw, i915_draw_render_stage(i915));
   }

   i915_init_surface_functions(i915);
   i915_init_state_functions(i915);
   i915_init_flush_functions(i915);
   i915_init_texture_functions(i915);

   draw_install_aaline_stage(i915->draw, &i915->pipe);
   draw_install_aapoint_stage(i915->draw, &i915->pipe);

   i915->dirty = ~0;
   i915->hardware_dirty = ~0;

   /* Batch stream debugging is a bit hacked up at the moment:
    */
   i915->batch = i915_winsys->batch_get(i915_winsys);
   i915->batch->winsys = i915_winsys;

   return &i915->pipe;
}

static void i915_destroy

(

struct pipe_context *

pipe

)

[static]

Definition at line 43 of file i915_context.c.

References i915_winsys::destroy, i915_context::draw, draw_destroy(), FREE, i915_context(), and i915_context::winsys.

{
   struct i915_context *i915 = i915_context( pipe );

   draw_destroy( i915->draw );
   
   if(i915->winsys->destroy)
      i915->winsys->destroy(i915->winsys);

   FREE( i915 );
}

static boolean i915_draw_arrays	(	struct pipe_context *	pipe,
		unsigned	prim,
		unsigned	start,
		unsigned	count
	)			[static]

Definition at line 132 of file i915_context.c.

References i915_draw_elements().

{
   return i915_draw_elements(pipe, NULL, 0, prim, start, count);
}

static boolean i915_draw_elements	(	struct pipe_context *	pipe,
		struct pipe_buffer *	indexBuffer,
		unsigned	indexSize,
		unsigned	prim,
		unsigned	start,
		unsigned	count
	)			[static]

Definition at line 121 of file i915_context.c.

References i915_draw_range_elements().

{
   return i915_draw_range_elements( pipe, indexBuffer,
                                        indexSize,
                                        0, 0xffffffff,
                                        prim, start, count );
}

static boolean 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
	)			[static]

Definition at line 57 of file i915_context.c.

References pipe_vertex_buffer::buffer, i915_state::constants, i915_context::current, i915_context::dirty, i915_context::draw, draw, draw_arrays(), draw_set_mapped_constant_buffer(), draw_set_mapped_element_buffer(), draw_set_mapped_element_buffer_range(), draw_set_mapped_vertex_buffer(), i915_context(), i915_update_derived(), i915_state::num_user_constants, i915_context::num_vertex_buffers, pipe_buffer_map(), pipe_buffer_unmap(), PIPE_BUFFER_USAGE_CPU_READ, PIPE_SHADER_VERTEX, pipe_context::screen, TRUE, and i915_context::vertex_buffer.

{
   struct i915_context *i915 = i915_context( pipe );
   struct draw_context *draw = i915->draw;
   unsigned i;

   if (i915->dirty)
      i915_update_derived( i915 );

   /*
    * Map vertex buffers
    */
   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);
   }
   /* 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 {
      /* no index/element buffer */
      draw_set_mapped_element_buffer(draw, 0, NULL);
   }


   draw_set_mapped_constant_buffer(draw,
                                   i915->current.constants[PIPE_SHADER_VERTEX],
                                   ( i915->current.num_user_constants[PIPE_SHADER_VERTEX] * 
                                     4 * sizeof(float) ));

   /* draw! */
   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);
   }

   return TRUE;
}

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