/**************************************************************************
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*
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* Copyright 2007 VMware, Inc.
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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 VMWARE 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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/**
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* \file
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* Build post-transformation, post-clipping vertex buffers and element
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* lists by hooking into the end of the primitive pipeline and
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* manipulating the vertex_id field in the vertex headers.
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*
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* XXX: work in progress
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*
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* \author José Fonseca <jfonseca@vmware.com>
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* \author Keith Whitwell <keithw@vmware.com>
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*/
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#include "draw/draw_context.h"
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#include "draw/draw_vbuf.h"
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#include "util/u_debug.h"
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#include "util/u_inlines.h"
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#include "util/u_math.h"
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#include "util/u_memory.h"
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#include "util/u_fifo.h"
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#include "i915_context.h"
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#include "i915_reg.h"
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#include "i915_batch.h"
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#include "i915_state.h"
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#define VBUF_MAP_BUFFER
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/**
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* Primitive renderer for i915.
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*/
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struct i915_vbuf_render {
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struct vbuf_render base;
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struct i915_context *i915;
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/** Vertex size in bytes */
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size_t vertex_size;
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/** Software primitive */
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unsigned prim;
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/** Hardware primitive */
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unsigned hwprim;
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/** Genereate a vertex list */
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unsigned fallback;
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/* Stuff for the vbo */
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struct i915_winsys_buffer *vbo;
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size_t vbo_size; /**< current size of allocated buffer */
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size_t vbo_alloc_size; /**< minimum buffer size to allocate */
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size_t vbo_hw_offset; /**< offset that we program the hardware with */
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size_t vbo_sw_offset; /**< offset that we work with */
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size_t vbo_index; /**< index offset to be added to all indices */
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void *vbo_ptr;
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size_t vbo_max_used;
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size_t vbo_max_index; /**< index offset to be added to all indices */
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#ifndef VBUF_MAP_BUFFER
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size_t map_used_start;
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size_t map_used_end;
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size_t map_size;
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#endif
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};
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/**
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* Basically a cast wrapper.
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*/
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static inline struct i915_vbuf_render *
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i915_vbuf_render(struct vbuf_render *render)
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{
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assert(render);
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return (struct i915_vbuf_render *)render;
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}
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/**
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* If vbo state differs between renderer and context
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* push state to the context. This function pushes
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* hw_offset to i915->vbo_offset and vbo to i915->vbo.
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*
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* Side effects:
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* May updates context vbo_offset and vbo fields.
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*/
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static void
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i915_vbuf_update_vbo_state(struct vbuf_render *render)
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{
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struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
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struct i915_context *i915 = i915_render->i915;
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if (i915->vbo != i915_render->vbo ||
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i915->vbo_offset != i915_render->vbo_hw_offset) {
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i915->vbo = i915_render->vbo;
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i915->vbo_offset = i915_render->vbo_hw_offset;
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i915->dirty |= I915_NEW_VBO;
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}
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}
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/**
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* Callback exported to the draw module.
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* Returns the current vertex_info.
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*
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* Side effects:
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* If state is dirty update derived state.
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*/
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static const struct vertex_info *
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i915_vbuf_render_get_vertex_info(struct vbuf_render *render)
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{
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struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
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struct i915_context *i915 = i915_render->i915;
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if (i915->dirty) {
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/* make sure we have up to date vertex layout */
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i915_update_derived(i915);
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}
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return &i915->current.vertex_info;
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}
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/**
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* Reserve space in the vbo for vertices.
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*
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* Side effects:
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* None.
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*/
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static boolean
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i915_vbuf_render_reserve(struct i915_vbuf_render *i915_render, size_t size)
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{
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struct i915_context *i915 = i915_render->i915;
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if (i915_render->vbo_size < size + i915_render->vbo_sw_offset)
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return FALSE;
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if (i915->vbo_flushed)
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return FALSE;
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return TRUE;
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}
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/**
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* Allocate a new vbo buffer should there not be enough space for
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* the requested number of vertices by the draw module.
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*
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* Side effects:
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* Updates hw_offset, sw_offset, index and allocates a new buffer.
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* Will set i915->vbo to null on buffer allocation.
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*/
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static void
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i915_vbuf_render_new_buf(struct i915_vbuf_render *i915_render, size_t size)
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{
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struct i915_context *i915 = i915_render->i915;
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struct i915_winsys *iws = i915->iws;
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if (i915_render->vbo) {
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iws->buffer_unmap(iws, i915_render->vbo);
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iws->buffer_destroy(iws, i915_render->vbo);
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/*
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* XXX If buffers where referenced then this should be done in
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* update_vbo_state but since they arn't and malloc likes to reuse
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* memory we need to set it to null
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*/
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i915->vbo = NULL;
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i915_render->vbo = NULL;
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}
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i915->vbo_flushed = 0;
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i915_render->vbo_size = MAX2(size, i915_render->vbo_alloc_size);
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i915_render->vbo_hw_offset = 0;
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i915_render->vbo_sw_offset = 0;
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i915_render->vbo_index = 0;
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#ifndef VBUF_MAP_BUFFER
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if (i915_render->vbo_size > i915_render->map_size) {
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i915_render->map_size = i915_render->vbo_size;
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FREE(i915_render->vbo_ptr);
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i915_render->vbo_ptr = MALLOC(i915_render->map_size);
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}
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#endif
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i915_render->vbo = iws->buffer_create(iws, i915_render->vbo_size,
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I915_NEW_VERTEX);
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i915_render->vbo_ptr = iws->buffer_map(iws, i915_render->vbo, TRUE);
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}
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/**
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* Callback exported to the draw module.
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*
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* Side effects:
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* Updates hw_offset, sw_offset, index and may allocate
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* a new buffer. Also updates may update the vbo state
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* on the i915 context.
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*/
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static boolean
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i915_vbuf_render_allocate_vertices(struct vbuf_render *render,
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ushort vertex_size,
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ushort nr_vertices)
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{
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struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
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size_t size = (size_t)vertex_size * (size_t)nr_vertices;
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size_t offset;
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/*
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* Align sw_offset with first multiple of vertex size from hw_offset.
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* Set index to be the multiples from from hw_offset to sw_offset.
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* i915_vbuf_render_new_buf will reset index, sw_offset, hw_offset
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* when it allocates a new buffer this is correct.
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*/
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{
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offset = i915_render->vbo_sw_offset - i915_render->vbo_hw_offset;
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offset = util_align_npot(offset, vertex_size);
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i915_render->vbo_sw_offset = i915_render->vbo_hw_offset + offset;
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i915_render->vbo_index = offset / vertex_size;
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}
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if (!i915_vbuf_render_reserve(i915_render, size))
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i915_vbuf_render_new_buf(i915_render, size);
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/*
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* If a new buffer has been alocated sw_offset,
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* hw_offset & index will be reset by new_buf
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*/
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i915_render->vertex_size = vertex_size;
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i915_vbuf_update_vbo_state(render);
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if (!i915_render->vbo)
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return FALSE;
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return TRUE;
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}
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static void *
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i915_vbuf_render_map_vertices(struct vbuf_render *render)
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{
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struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
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struct i915_context *i915 = i915_render->i915;
|
|
if (i915->vbo_flushed)
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debug_printf("%s bad vbo flush occurred stalling on hw\n", __FUNCTION__);
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|
#ifdef VBUF_MAP_BUFFER
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return (unsigned char *)i915_render->vbo_ptr + i915_render->vbo_sw_offset;
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#else
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return (unsigned char *)i915_render->vbo_ptr;
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#endif
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}
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static void
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i915_vbuf_render_unmap_vertices(struct vbuf_render *render,
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ushort min_index,
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ushort max_index)
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{
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struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
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struct i915_context *i915 = i915_render->i915;
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struct i915_winsys *iws = i915->iws;
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i915_render->vbo_max_index = max_index;
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i915_render->vbo_max_used = MAX2(i915_render->vbo_max_used, i915_render->vertex_size * (max_index + 1));
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#ifdef VBUF_MAP_BUFFER
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(void)iws;
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#else
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i915_render->map_used_start = i915_render->vertex_size * min_index;
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i915_render->map_used_end = i915_render->vertex_size * (max_index + 1);
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iws->buffer_write(iws, i915_render->vbo,
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i915_render->map_used_start + i915_render->vbo_sw_offset,
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i915_render->map_used_end - i915_render->map_used_start,
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(unsigned char *)i915_render->vbo_ptr + i915_render->map_used_start);
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#endif
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}
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/**
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* Ensure that the given max_index given is not larger ushort max.
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* If it is larger then ushort max it advanced the hw_offset to the
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* same position in the vbo as sw_offset and set index to zero.
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*
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* Side effects:
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* On failure update hw_offset and index.
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*/
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static void
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i915_vbuf_ensure_index_bounds(struct vbuf_render *render,
|
unsigned max_index)
|
{
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struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
|
|
if (max_index + i915_render->vbo_index < ((1 << 17) - 1))
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return;
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i915_render->vbo_hw_offset = i915_render->vbo_sw_offset;
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i915_render->vbo_index = 0;
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|
i915_vbuf_update_vbo_state(render);
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}
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static void
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i915_vbuf_render_set_primitive(struct vbuf_render *render,
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enum pipe_prim_type prim)
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{
|
struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
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i915_render->prim = prim;
|
|
switch(prim) {
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case PIPE_PRIM_POINTS:
|
i915_render->hwprim = PRIM3D_POINTLIST;
|
i915_render->fallback = 0;
|
break;
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case PIPE_PRIM_LINES:
|
i915_render->hwprim = PRIM3D_LINELIST;
|
i915_render->fallback = 0;
|
break;
|
case PIPE_PRIM_LINE_LOOP:
|
i915_render->hwprim = PRIM3D_LINELIST;
|
i915_render->fallback = PIPE_PRIM_LINE_LOOP;
|
break;
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case PIPE_PRIM_LINE_STRIP:
|
i915_render->hwprim = PRIM3D_LINESTRIP;
|
i915_render->fallback = 0;
|
break;
|
case PIPE_PRIM_TRIANGLES:
|
i915_render->hwprim = PRIM3D_TRILIST;
|
i915_render->fallback = 0;
|
break;
|
case PIPE_PRIM_TRIANGLE_STRIP:
|
i915_render->hwprim = PRIM3D_TRISTRIP;
|
i915_render->fallback = 0;
|
break;
|
case PIPE_PRIM_TRIANGLE_FAN:
|
i915_render->hwprim = PRIM3D_TRIFAN;
|
i915_render->fallback = 0;
|
break;
|
case PIPE_PRIM_QUADS:
|
i915_render->hwprim = PRIM3D_TRILIST;
|
i915_render->fallback = PIPE_PRIM_QUADS;
|
break;
|
case PIPE_PRIM_QUAD_STRIP:
|
i915_render->hwprim = PRIM3D_TRILIST;
|
i915_render->fallback = PIPE_PRIM_QUAD_STRIP;
|
break;
|
case PIPE_PRIM_POLYGON:
|
i915_render->hwprim = PRIM3D_POLY;
|
i915_render->fallback = 0;
|
break;
|
default:
|
/* FIXME: Actually, can handle a lot more just fine... */
|
assert(0 && "unexpected prim in i915_vbuf_render_set_primitive()");
|
}
|
}
|
|
/**
|
* Used for fallbacks in draw_arrays
|
*/
|
static void
|
draw_arrays_generate_indices(struct vbuf_render *render,
|
unsigned start, uint nr,
|
unsigned type)
|
{
|
struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
|
struct i915_context *i915 = i915_render->i915;
|
unsigned i;
|
unsigned end = start + nr + i915_render->vbo_index;
|
start += i915_render->vbo_index;
|
|
switch(type) {
|
case 0:
|
for (i = start; i+1 < end; i += 2)
|
OUT_BATCH((i+0) | (i+1) << 16);
|
if (i < end)
|
OUT_BATCH(i);
|
break;
|
case PIPE_PRIM_LINE_LOOP:
|
if (nr >= 2) {
|
for (i = start + 1; i < end; i++)
|
OUT_BATCH((i-1) | (i+0) << 16);
|
OUT_BATCH((i-1) | ( start) << 16);
|
}
|
break;
|
case PIPE_PRIM_QUADS:
|
for (i = start; i + 3 < end; i += 4) {
|
OUT_BATCH((i+0) | (i+1) << 16);
|
OUT_BATCH((i+3) | (i+1) << 16);
|
OUT_BATCH((i+2) | (i+3) << 16);
|
}
|
break;
|
case PIPE_PRIM_QUAD_STRIP:
|
for (i = start; i + 3 < end; i += 2) {
|
OUT_BATCH((i+0) | (i+1) << 16);
|
OUT_BATCH((i+3) | (i+2) << 16);
|
OUT_BATCH((i+0) | (i+3) << 16);
|
}
|
break;
|
default:
|
assert(0);
|
}
|
}
|
|
static unsigned
|
draw_arrays_calc_nr_indices(uint nr, unsigned type)
|
{
|
switch (type) {
|
case 0:
|
return nr;
|
case PIPE_PRIM_LINE_LOOP:
|
if (nr >= 2)
|
return nr * 2;
|
else
|
return 0;
|
case PIPE_PRIM_QUADS:
|
return (nr / 4) * 6;
|
case PIPE_PRIM_QUAD_STRIP:
|
return ((nr - 2) / 2) * 6;
|
default:
|
assert(0);
|
return 0;
|
}
|
}
|
|
static void
|
draw_arrays_fallback(struct vbuf_render *render,
|
unsigned start,
|
uint nr)
|
{
|
struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
|
struct i915_context *i915 = i915_render->i915;
|
unsigned nr_indices;
|
|
nr_indices = draw_arrays_calc_nr_indices(nr, i915_render->fallback);
|
if (!nr_indices)
|
return;
|
|
i915_vbuf_ensure_index_bounds(render, start + nr_indices);
|
|
if (i915->dirty)
|
i915_update_derived(i915);
|
|
if (i915->hardware_dirty)
|
i915_emit_hardware_state(i915);
|
|
if (!BEGIN_BATCH(1 + (nr_indices + 1)/2)) {
|
FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
|
|
/* Make sure state is re-emitted after a flush:
|
*/
|
i915_emit_hardware_state(i915);
|
i915->vbo_flushed = 1;
|
|
if (!BEGIN_BATCH(1 + (nr_indices + 1)/2)) {
|
assert(0);
|
goto out;
|
}
|
}
|
|
OUT_BATCH(_3DPRIMITIVE |
|
PRIM_INDIRECT |
|
i915_render->hwprim |
|
PRIM_INDIRECT_ELTS |
|
nr_indices);
|
|
draw_arrays_generate_indices(render, start, nr, i915_render->fallback);
|
|
out:
|
return;
|
}
|
|
static void
|
i915_vbuf_render_draw_arrays(struct vbuf_render *render,
|
unsigned start,
|
uint nr)
|
{
|
struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
|
struct i915_context *i915 = i915_render->i915;
|
|
if (i915_render->fallback) {
|
draw_arrays_fallback(render, start, nr);
|
return;
|
}
|
|
i915_vbuf_ensure_index_bounds(render, start + nr);
|
start += i915_render->vbo_index;
|
|
if (i915->dirty)
|
i915_update_derived(i915);
|
|
if (i915->hardware_dirty)
|
i915_emit_hardware_state(i915);
|
|
if (!BEGIN_BATCH(2)) {
|
FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
|
|
/* Make sure state is re-emitted after a flush:
|
*/
|
i915_emit_hardware_state(i915);
|
i915->vbo_flushed = 1;
|
|
if (!BEGIN_BATCH(2)) {
|
assert(0);
|
goto out;
|
}
|
}
|
|
OUT_BATCH(_3DPRIMITIVE |
|
PRIM_INDIRECT |
|
PRIM_INDIRECT_SEQUENTIAL |
|
i915_render->hwprim |
|
nr);
|
OUT_BATCH(start); /* Beginning vertex index */
|
|
out:
|
return;
|
}
|
|
/**
|
* Used for normal and fallback emitting of indices
|
* If type is zero normal operation assumed.
|
*/
|
static void
|
draw_generate_indices(struct vbuf_render *render,
|
const ushort *indices,
|
uint nr_indices,
|
unsigned type)
|
{
|
struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
|
struct i915_context *i915 = i915_render->i915;
|
unsigned i;
|
unsigned o = i915_render->vbo_index;
|
|
switch(type) {
|
case 0:
|
for (i = 0; i + 1 < nr_indices; i += 2) {
|
OUT_BATCH((o+indices[i]) | (o+indices[i+1]) << 16);
|
}
|
if (i < nr_indices) {
|
OUT_BATCH((o+indices[i]));
|
}
|
break;
|
case PIPE_PRIM_LINE_LOOP:
|
if (nr_indices >= 2) {
|
for (i = 1; i < nr_indices; i++)
|
OUT_BATCH((o+indices[i-1]) | (o+indices[i]) << 16);
|
OUT_BATCH((o+indices[i-1]) | (o+indices[0]) << 16);
|
}
|
break;
|
case PIPE_PRIM_QUADS:
|
for (i = 0; i + 3 < nr_indices; i += 4) {
|
OUT_BATCH((o+indices[i+0]) | (o+indices[i+1]) << 16);
|
OUT_BATCH((o+indices[i+3]) | (o+indices[i+1]) << 16);
|
OUT_BATCH((o+indices[i+2]) | (o+indices[i+3]) << 16);
|
}
|
break;
|
case PIPE_PRIM_QUAD_STRIP:
|
for (i = 0; i + 3 < nr_indices; i += 2) {
|
OUT_BATCH((o+indices[i+0]) | (o+indices[i+1]) << 16);
|
OUT_BATCH((o+indices[i+3]) | (o+indices[i+2]) << 16);
|
OUT_BATCH((o+indices[i+0]) | (o+indices[i+3]) << 16);
|
}
|
break;
|
default:
|
assert(0);
|
break;
|
}
|
}
|
|
static unsigned
|
draw_calc_nr_indices(uint nr_indices, unsigned type)
|
{
|
switch (type) {
|
case 0:
|
return nr_indices;
|
case PIPE_PRIM_LINE_LOOP:
|
if (nr_indices >= 2)
|
return nr_indices * 2;
|
else
|
return 0;
|
case PIPE_PRIM_QUADS:
|
return (nr_indices / 4) * 6;
|
case PIPE_PRIM_QUAD_STRIP:
|
return ((nr_indices - 2) / 2) * 6;
|
default:
|
assert(0);
|
return 0;
|
}
|
}
|
|
static void
|
i915_vbuf_render_draw_elements(struct vbuf_render *render,
|
const ushort *indices,
|
uint nr_indices)
|
{
|
struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
|
struct i915_context *i915 = i915_render->i915;
|
unsigned save_nr_indices;
|
|
save_nr_indices = nr_indices;
|
|
nr_indices = draw_calc_nr_indices(nr_indices, i915_render->fallback);
|
if (!nr_indices)
|
return;
|
|
i915_vbuf_ensure_index_bounds(render, i915_render->vbo_max_index);
|
|
if (i915->dirty)
|
i915_update_derived(i915);
|
|
if (i915->hardware_dirty)
|
i915_emit_hardware_state(i915);
|
|
if (!BEGIN_BATCH(1 + (nr_indices + 1)/2)) {
|
FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
|
|
/* Make sure state is re-emitted after a flush:
|
*/
|
i915_emit_hardware_state(i915);
|
i915->vbo_flushed = 1;
|
|
if (!BEGIN_BATCH(1 + (nr_indices + 1)/2)) {
|
assert(0);
|
goto out;
|
}
|
}
|
|
OUT_BATCH(_3DPRIMITIVE |
|
PRIM_INDIRECT |
|
i915_render->hwprim |
|
PRIM_INDIRECT_ELTS |
|
nr_indices);
|
draw_generate_indices(render,
|
indices,
|
save_nr_indices,
|
i915_render->fallback);
|
|
out:
|
return;
|
}
|
|
static void
|
i915_vbuf_render_release_vertices(struct vbuf_render *render)
|
{
|
struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
|
|
i915_render->vbo_sw_offset += i915_render->vbo_max_used;
|
i915_render->vbo_max_used = 0;
|
|
/*
|
* Micro optimization, by calling update here we the offset change
|
* will be picked up on the next pipe_context::draw_*.
|
*/
|
i915_vbuf_update_vbo_state(render);
|
}
|
|
static void
|
i915_vbuf_render_destroy(struct vbuf_render *render)
|
{
|
struct i915_vbuf_render *i915_render = i915_vbuf_render(render);
|
struct i915_context *i915 = i915_render->i915;
|
struct i915_winsys *iws = i915->iws;
|
|
if (i915_render->vbo) {
|
i915->vbo = NULL;
|
iws->buffer_unmap(iws, i915_render->vbo);
|
iws->buffer_destroy(iws, i915_render->vbo);
|
}
|
|
FREE(i915_render);
|
}
|
|
/**
|
* Create a new primitive render.
|
*/
|
static struct vbuf_render *
|
i915_vbuf_render_create(struct i915_context *i915)
|
{
|
struct i915_vbuf_render *i915_render = CALLOC_STRUCT(i915_vbuf_render);
|
struct i915_winsys *iws = i915->iws;
|
int i;
|
|
i915_render->i915 = i915;
|
|
i915_render->base.max_vertex_buffer_bytes = 4*4096;
|
|
/* NOTE: it must be such that state and vertices indices fit in a single
|
* batch buffer. 4096 is one batch buffer and 430 is the max amount of
|
* state in dwords. The result is the number of 16-bit indices which can
|
* fit in a single batch buffer.
|
*/
|
i915_render->base.max_indices = (4096 - 430 * 4) / 2;
|
|
i915_render->base.get_vertex_info = i915_vbuf_render_get_vertex_info;
|
i915_render->base.allocate_vertices = i915_vbuf_render_allocate_vertices;
|
i915_render->base.map_vertices = i915_vbuf_render_map_vertices;
|
i915_render->base.unmap_vertices = i915_vbuf_render_unmap_vertices;
|
i915_render->base.set_primitive = i915_vbuf_render_set_primitive;
|
i915_render->base.draw_elements = i915_vbuf_render_draw_elements;
|
i915_render->base.draw_arrays = i915_vbuf_render_draw_arrays;
|
i915_render->base.release_vertices = i915_vbuf_render_release_vertices;
|
i915_render->base.destroy = i915_vbuf_render_destroy;
|
|
#ifndef VBUF_MAP_BUFFER
|
i915_render->map_size = 0;
|
i915_render->map_used_start = 0;
|
i915_render->map_used_end = 0;
|
#endif
|
|
i915_render->vbo = NULL;
|
i915_render->vbo_ptr = NULL;
|
i915_render->vbo_size = 0;
|
i915_render->vbo_hw_offset = 0;
|
i915_render->vbo_sw_offset = 0;
|
i915_render->vbo_alloc_size = i915_render->base.max_vertex_buffer_bytes * 4;
|
|
#ifdef VBUF_USE_POOL
|
i915_render->pool_used = FALSE;
|
i915_render->pool_buffer_size = i915_render->vbo_alloc_size;
|
i915_render->pool_fifo = u_fifo_create(6);
|
for (i = 0; i < 6; i++)
|
u_fifo_add(i915_render->pool_fifo,
|
iws->buffer_create(iws, i915_render->pool_buffer_size,
|
I915_NEW_VERTEX));
|
#else
|
(void)i;
|
(void)iws;
|
#endif
|
|
return &i915_render->base;
|
}
|
|
/**
|
* Create a new primitive vbuf/render stage.
|
*/
|
struct draw_stage *i915_draw_vbuf_stage(struct i915_context *i915)
|
{
|
struct vbuf_render *render;
|
struct draw_stage *stage;
|
|
render = i915_vbuf_render_create(i915);
|
if (!render)
|
return NULL;
|
|
stage = draw_vbuf_stage(i915->draw, render);
|
if (!stage) {
|
render->destroy(render);
|
return NULL;
|
}
|
/** TODO JB: this shouldn't be here */
|
draw_set_render(i915->draw, render);
|
|
return stage;
|
}
|
