2007-08-08 09:28:57 +01:00
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/**************************************************************************
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*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "i915_context.h"
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#include "i915_state.h"
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2009-08-30 20:49:01 +01:00
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#include "i915_screen.h"
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2007-08-10 15:31:26 +01:00
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#include "i915_batch.h"
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2007-08-08 09:28:57 +01:00
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2008-02-15 08:50:12 +00:00
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#include "draw/draw_context.h"
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2007-08-08 09:28:57 +01:00
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#include "pipe/p_defines.h"
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2010-02-02 14:42:17 +00:00
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#include "util/u_inlines.h"
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2008-08-25 00:48:55 +01:00
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#include "util/u_memory.h"
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2008-02-27 17:15:37 +00:00
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#include "pipe/p_screen.h"
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2007-08-08 09:28:57 +01:00
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2009-08-30 21:03:43 +01:00
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/*
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* Draw functions
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*/
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2007-08-08 09:28:57 +01:00
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2009-12-21 22:47:21 +00:00
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static void
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2008-05-29 15:57:34 +01:00
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i915_draw_range_elements(struct pipe_context *pipe,
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2009-08-30 21:03:43 +01:00
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struct pipe_buffer *indexBuffer,
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unsigned indexSize,
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unsigned min_index,
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unsigned max_index,
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unsigned prim, unsigned start, unsigned count)
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2007-08-08 09:28:57 +01:00
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{
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2009-08-30 21:03:43 +01:00
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struct i915_context *i915 = i915_context(pipe);
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2007-08-21 00:25:38 +01:00
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struct draw_context *draw = i915->draw;
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unsigned i;
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2007-08-08 09:28:57 +01:00
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if (i915->dirty)
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2009-08-30 21:03:43 +01:00
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i915_update_derived(i915);
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2007-08-20 23:31:12 +01:00
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2007-10-15 20:06:53 +01:00
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/*
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2007-08-21 00:25:38 +01:00
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* Map vertex buffers
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*/
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2008-04-09 04:14:58 +01:00
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for (i = 0; i < i915->num_vertex_buffers; i++) {
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2009-08-30 21:03:43 +01:00
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void *buf = pipe_buffer_map(pipe->screen, i915->vertex_buffer[i].buffer,
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PIPE_BUFFER_USAGE_CPU_READ);
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2008-04-09 04:14:58 +01:00
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draw_set_mapped_vertex_buffer(draw, i, buf);
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2007-08-21 00:25:38 +01:00
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}
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2009-08-30 21:03:43 +01:00
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/*
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* Map index buffer, if present
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*/
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2007-08-21 00:25:38 +01:00
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if (indexBuffer) {
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2009-08-30 21:03:43 +01:00
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void *mapped_indexes = pipe_buffer_map(pipe->screen, indexBuffer,
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PIPE_BUFFER_USAGE_CPU_READ);
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2008-05-29 15:57:34 +01:00
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draw_set_mapped_element_buffer_range(draw, indexSize,
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2009-08-30 21:03:43 +01:00
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min_index,
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max_index,
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mapped_indexes);
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} else {
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2007-08-21 00:25:38 +01:00
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draw_set_mapped_element_buffer(draw, 0, NULL);
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}
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2007-10-15 18:28:25 +01:00
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2010-01-25 11:36:50 +00:00
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draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0,
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2008-05-29 12:38:49 +01:00
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i915->current.constants[PIPE_SHADER_VERTEX],
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2009-08-30 21:03:43 +01:00
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(i915->current.num_user_constants[PIPE_SHADER_VERTEX] *
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4 * sizeof(float)));
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2007-08-22 19:24:51 +01:00
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2009-08-30 21:03:43 +01:00
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/*
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* Do the drawing
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*/
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2007-08-21 00:25:38 +01:00
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draw_arrays(i915->draw, prim, start, count);
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/*
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* unmap vertex/index buffers
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*/
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2008-04-09 04:14:58 +01:00
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for (i = 0; i < i915->num_vertex_buffers; i++) {
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2008-09-04 01:34:04 +01:00
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pipe_buffer_unmap(pipe->screen, i915->vertex_buffer[i].buffer);
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2008-04-09 04:14:58 +01:00
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draw_set_mapped_vertex_buffer(draw, i, NULL);
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2007-08-21 00:25:38 +01:00
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}
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2009-08-30 21:03:43 +01:00
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2007-08-21 00:25:38 +01:00
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if (indexBuffer) {
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2008-09-04 01:34:04 +01:00
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pipe_buffer_unmap(pipe->screen, indexBuffer);
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2008-05-29 15:57:34 +01:00
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draw_set_mapped_element_buffer_range(draw, 0, start, start + count - 1, NULL);
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2007-08-21 00:25:38 +01:00
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}
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2007-08-08 09:28:57 +01:00
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}
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2009-12-21 22:47:21 +00:00
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static void
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2009-08-30 21:03:43 +01:00
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i915_draw_elements(struct pipe_context *pipe,
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struct pipe_buffer *indexBuffer,
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unsigned indexSize,
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unsigned prim, unsigned start, unsigned count)
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2008-05-29 15:57:34 +01:00
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{
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2009-12-21 22:47:21 +00:00
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i915_draw_range_elements(pipe, indexBuffer,
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indexSize,
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0, 0xffffffff,
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prim, start, count);
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2008-05-29 15:57:34 +01:00
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}
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2007-08-08 09:28:57 +01:00
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2009-12-21 22:47:21 +00:00
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static void
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2009-08-30 21:03:43 +01:00
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i915_draw_arrays(struct pipe_context *pipe,
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unsigned prim, unsigned start, unsigned count)
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2007-08-21 00:25:38 +01:00
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{
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2009-12-21 22:47:21 +00:00
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i915_draw_elements(pipe, NULL, 0, prim, start, count);
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2007-08-21 00:25:38 +01:00
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}
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2007-08-08 09:28:57 +01:00
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2009-08-30 21:03:43 +01:00
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/*
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* Is referenced functions
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*/
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2009-04-15 14:53:34 +01:00
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static unsigned int
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2009-08-30 21:03:43 +01:00
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i915_is_texture_referenced(struct pipe_context *pipe,
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struct pipe_texture *texture,
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unsigned face, unsigned level)
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2009-04-15 14:53:34 +01:00
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{
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/**
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2009-08-05 23:59:37 +01:00
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* FIXME: Return the corrent result. We can't alays return referenced
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* since it causes a double flush within the vbo module.
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2009-04-15 14:53:34 +01:00
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*/
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2009-08-05 23:59:37 +01:00
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#if 0
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2009-04-15 14:53:34 +01:00
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return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
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2009-08-05 23:59:37 +01:00
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#else
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return 0;
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#endif
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2009-04-15 14:53:34 +01:00
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}
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static unsigned int
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2009-08-30 21:03:43 +01:00
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i915_is_buffer_referenced(struct pipe_context *pipe,
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struct pipe_buffer *buf)
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2009-04-15 14:53:34 +01:00
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{
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2009-11-07 19:31:18 +00:00
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/*
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* Since we never expose hardware buffers to the state tracker
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* they can never be referenced, so this isn't a lie
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2009-04-15 14:53:34 +01:00
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*/
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2009-08-05 23:59:37 +01:00
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return 0;
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2009-04-15 14:53:34 +01:00
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}
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2007-08-08 09:28:57 +01:00
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2009-08-30 21:03:43 +01:00
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/*
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* Generic context functions
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*/
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static void i915_destroy(struct pipe_context *pipe)
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{
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struct i915_context *i915 = i915_context(pipe);
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2009-09-22 18:55:41 +01:00
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int i;
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2009-08-30 21:03:43 +01:00
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draw_destroy(i915->draw);
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2009-08-30 20:49:01 +01:00
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if(i915->batch)
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i915->iws->batchbuffer_destroy(i915->batch);
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2009-08-30 21:03:43 +01:00
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2009-09-22 18:55:41 +01:00
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/* unbind framebuffer */
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for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
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pipe_surface_reference(&i915->framebuffer.cbufs[i], NULL);
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}
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pipe_surface_reference(&i915->framebuffer.zsbuf, NULL);
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2009-08-30 21:03:43 +01:00
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FREE(i915);
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}
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struct pipe_context *
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2010-02-08 12:55:59 +00:00
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i915_create_context(struct pipe_screen *screen, void *priv)
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2007-08-08 09:28:57 +01:00
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{
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2007-08-10 10:01:15 +01:00
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struct i915_context *i915;
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i915 = CALLOC_STRUCT(i915_context);
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if (i915 == NULL)
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return NULL;
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2007-08-08 09:28:57 +01:00
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2009-08-30 20:49:01 +01:00
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i915->iws = i915_screen(screen)->iws;
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i915->base.winsys = NULL;
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2009-08-29 11:46:46 +01:00
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i915->base.screen = screen;
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2010-02-08 12:55:59 +00:00
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i915->base.priv = priv;
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2007-08-10 15:31:26 +01:00
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2009-08-29 11:46:46 +01:00
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i915->base.destroy = i915_destroy;
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2007-09-20 01:53:36 +01:00
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2009-08-29 11:46:46 +01:00
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i915->base.clear = i915_clear;
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2007-09-11 23:01:17 +01:00
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2009-08-29 11:46:46 +01:00
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i915->base.draw_arrays = i915_draw_arrays;
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i915->base.draw_elements = i915_draw_elements;
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i915->base.draw_range_elements = i915_draw_range_elements;
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2007-08-08 09:28:57 +01:00
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2009-08-29 11:46:46 +01:00
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i915->base.is_texture_referenced = i915_is_texture_referenced;
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i915->base.is_buffer_referenced = i915_is_buffer_referenced;
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2009-04-15 14:53:34 +01:00
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2007-08-08 09:28:57 +01:00
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/*
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* Create drawing context and plug our rendering stage into it.
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*/
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i915->draw = draw_create();
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assert(i915->draw);
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2008-06-10 00:32:52 +01:00
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if (!debug_get_bool_option("I915_NO_VBUF", FALSE)) {
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2007-10-29 11:51:04 +00:00
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draw_set_rasterize_stage(i915->draw, i915_draw_vbuf_stage(i915));
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2009-08-30 21:03:43 +01:00
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} else {
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2007-10-29 11:51:04 +00:00
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draw_set_rasterize_stage(i915->draw, i915_draw_render_stage(i915));
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}
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2007-08-08 09:28:57 +01:00
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i915_init_surface_functions(i915);
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2007-08-08 11:35:47 +01:00
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i915_init_state_functions(i915);
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2007-08-08 16:42:01 +01:00
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i915_init_flush_functions(i915);
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2009-08-29 11:46:46 +01:00
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draw_install_aaline_stage(i915->draw, &i915->base);
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draw_install_aapoint_stage(i915->draw, &i915->base);
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2008-02-25 23:24:47 +00:00
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2007-08-09 18:07:42 +01:00
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i915->dirty = ~0;
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i915->hardware_dirty = ~0;
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2007-08-08 16:42:01 +01:00
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/* Batch stream debugging is a bit hacked up at the moment:
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*/
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2009-08-30 20:49:01 +01:00
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i915->batch = i915->iws->batchbuffer_create(i915->iws);
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2007-08-08 16:42:01 +01:00
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2009-08-29 11:46:46 +01:00
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return &i915->base;
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2007-08-08 09:28:57 +01:00
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}
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