255 lines
7.4 KiB
C
255 lines
7.4 KiB
C
/**************************************************************************
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*
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* Copyright 2003 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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#include "i915_context.h"
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#include "i915_batch.h"
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#include "i915_query.h"
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#include "i915_resource.h"
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#include "i915_screen.h"
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#include "i915_state.h"
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#include "i915_surface.h"
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#include "draw/draw_context.h"
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#include "pipe/p_defines.h"
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#include "pipe/p_screen.h"
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#include "util/u_draw.h"
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#include "util/u_inlines.h"
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#include "util/u_memory.h"
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#include "util/u_prim.h"
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#include "util/u_upload_mgr.h"
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DEBUG_GET_ONCE_BOOL_OPTION(i915_no_vbuf, "I915_NO_VBUF", false)
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/*
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* Draw functions
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*/
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static void
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i915_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info,
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unsigned drawid_offset,
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const struct pipe_draw_indirect_info *indirect,
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const struct pipe_draw_start_count_bias *draws,
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unsigned num_draws)
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{
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if (num_draws > 1) {
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util_draw_multi(pipe, info, drawid_offset, indirect, draws, num_draws);
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return;
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}
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struct i915_context *i915 = i915_context(pipe);
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struct draw_context *draw = i915->draw;
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const void *mapped_indices = NULL;
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unsigned i;
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if (!u_trim_pipe_prim(info->mode, (unsigned *)&draws[0].count))
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return;
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/*
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* Ack vs contants here, helps ipers a lot.
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*/
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i915->dirty &= ~I915_NEW_VS_CONSTANTS;
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if (i915->dirty)
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i915_update_derived(i915);
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/*
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* Map vertex buffers
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*/
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for (i = 0; i < i915->nr_vertex_buffers; i++) {
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const void *buf = i915->vertex_buffers[i].is_user_buffer
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? i915->vertex_buffers[i].buffer.user
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: NULL;
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if (!buf) {
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if (!i915->vertex_buffers[i].buffer.resource)
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continue;
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buf = i915_buffer(i915->vertex_buffers[i].buffer.resource)->data;
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}
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draw_set_mapped_vertex_buffer(draw, i, buf, ~0);
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}
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/*
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* Map index buffer, if present
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*/
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if (info->index_size) {
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mapped_indices = info->has_user_indices ? info->index.user : NULL;
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if (!mapped_indices)
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mapped_indices = i915_buffer(info->index.resource)->data;
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draw_set_indexes(draw, (ubyte *)mapped_indices, info->index_size, ~0);
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}
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if (i915->constants[PIPE_SHADER_VERTEX])
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draw_set_mapped_constant_buffer(
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draw, PIPE_SHADER_VERTEX, 0,
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i915_buffer(i915->constants[PIPE_SHADER_VERTEX])->data,
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(i915->current.num_user_constants[PIPE_SHADER_VERTEX] * 4 *
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sizeof(float)));
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else
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draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0, NULL, 0);
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/*
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* Do the drawing
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*/
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draw_vbo(i915->draw, info, drawid_offset, NULL, draws, num_draws, 0);
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/*
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* unmap vertex/index buffers
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*/
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for (i = 0; i < i915->nr_vertex_buffers; i++) {
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draw_set_mapped_vertex_buffer(i915->draw, i, NULL, 0);
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}
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if (mapped_indices)
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draw_set_indexes(draw, NULL, 0, 0);
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/*
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* Instead of flushing on every state change, we flush once here
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* when we fire the vbo.
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*/
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draw_flush(i915->draw);
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}
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/*
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* Generic context functions
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*/
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static void
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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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int i;
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if (i915->blitter)
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util_blitter_destroy(i915->blitter);
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draw_destroy(i915->draw);
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if (i915->base.stream_uploader)
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u_upload_destroy(i915->base.stream_uploader);
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if (i915->batch)
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i915->iws->batchbuffer_destroy(i915->batch);
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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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/* unbind constant buffers */
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for (i = 0; i < PIPE_SHADER_TYPES; i++) {
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pipe_resource_reference(&i915->constants[i], NULL);
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}
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FREE(i915);
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}
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static void
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i915_set_debug_callback(struct pipe_context *pipe,
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const struct pipe_debug_callback *cb)
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{
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struct i915_context *i915 = i915_context(pipe);
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if (cb)
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i915->debug = *cb;
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else
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memset(&i915->debug, 0, sizeof(i915->debug));
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}
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struct pipe_context *
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i915_create_context(struct pipe_screen *screen, void *priv, unsigned flags)
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{
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struct i915_context *i915;
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i915 = CALLOC_STRUCT(i915_context);
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if (!i915)
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return NULL;
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i915->iws = i915_screen(screen)->iws;
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i915->base.screen = screen;
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i915->base.priv = priv;
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i915->base.stream_uploader = u_upload_create_default(&i915->base);
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i915->base.const_uploader = i915->base.stream_uploader;
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i915->base.set_debug_callback = i915_set_debug_callback;
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i915->base.destroy = i915_destroy;
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if (i915_screen(screen)->debug.use_blitter)
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i915->base.clear = i915_clear_blitter;
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else
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i915->base.clear = i915_clear_render;
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i915->base.draw_vbo = i915_draw_vbo;
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/* init this before draw */
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slab_create(&i915->transfer_pool, sizeof(struct pipe_transfer), 16);
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slab_create(&i915->texture_transfer_pool, sizeof(struct i915_transfer), 16);
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/* Batch stream debugging is a bit hacked up at the moment:
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*/
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i915->batch = i915->iws->batchbuffer_create(i915->iws);
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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(&i915->base);
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assert(i915->draw);
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if (!debug_get_option_i915_no_vbuf()) {
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draw_set_rasterize_stage(i915->draw, i915_draw_vbuf_stage(i915));
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} else {
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draw_set_rasterize_stage(i915->draw, i915_draw_render_stage(i915));
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}
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i915_init_surface_functions(i915);
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i915_init_state_functions(i915);
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i915_init_flush_functions(i915);
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i915_init_resource_functions(i915);
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i915_init_query_functions(i915);
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/* Create blitter. */
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i915->blitter = util_blitter_create(&i915->base);
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assert(i915->blitter);
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/* must be done before installing Draw stages */
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i915->no_log_program_errors = true;
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util_blitter_cache_all_shaders(i915->blitter);
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i915->no_log_program_errors = false;
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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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draw_enable_point_sprites(i915->draw, true);
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i915->dirty = ~0;
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i915->hardware_dirty = ~0;
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i915->immediate_dirty = ~0;
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i915->dynamic_dirty = ~0;
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i915->static_dirty = ~0;
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i915->flush_dirty = 0;
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i915->current.fixup_swizzle = ~0;
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return &i915->base;
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}
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