/************************************************************************** * * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ /* Author: * Brian Paul * Keith Whitwell */ #include "pipe/p_defines.h" #include "pipe/p_context.h" #include "util/u_simple_screen.h" #include "util/u_inlines.h" #include "util/u_prim.h" #include "sp_context.h" #include "sp_query.h" #include "sp_state.h" #include "draw/draw_context.h" static void softpipe_map_constant_buffers(struct softpipe_context *sp) { struct pipe_winsys *ws = sp->pipe.winsys; uint i; for (i = 0; i < PIPE_SHADER_TYPES; i++) { uint j; for (j = 0; j < PIPE_MAX_CONSTANT_BUFFERS; j++) { if (sp->constants[i][j] && sp->constants[i][j]->size) { sp->mapped_constants[i][j] = ws->buffer_map(ws, sp->constants[i][j], PIPE_BUFFER_USAGE_CPU_READ); } } } for (i = 0; i < PIPE_MAX_CONSTANT_BUFFERS; i++) { if (sp->constants[PIPE_SHADER_VERTEX][i]) { draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_VERTEX, i, sp->mapped_constants[PIPE_SHADER_VERTEX][i], sp->constants[PIPE_SHADER_VERTEX][i]->size); } if (sp->constants[PIPE_SHADER_GEOMETRY][i]) { draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_GEOMETRY, i, sp->mapped_constants[PIPE_SHADER_GEOMETRY][i], sp->constants[PIPE_SHADER_GEOMETRY][i]->size); } } } static void softpipe_unmap_constant_buffers(struct softpipe_context *sp) { struct pipe_winsys *ws = sp->pipe.winsys; uint i; /* really need to flush all prims since the vert/frag shaders const buffers * are going away now. */ draw_flush(sp->draw); for (i = 0; i < PIPE_MAX_CONSTANT_BUFFERS; i++) { draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_VERTEX, i, NULL, 0); draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_GEOMETRY, i, NULL, 0); } for (i = 0; i < PIPE_SHADER_TYPES; i++) { uint j; for (j = 0; j < PIPE_MAX_CONSTANT_BUFFERS; j++) { if (sp->constants[i][j] && sp->constants[i][j]->size) { ws->buffer_unmap(ws, sp->constants[i][j]); } sp->mapped_constants[i][j] = NULL; } } } /** * Draw vertex arrays, with optional indexing. * Basically, map the vertex buffers (and drawing surfaces), then hand off * the drawing to the 'draw' module. */ static void softpipe_draw_range_elements_instanced(struct pipe_context *pipe, struct pipe_buffer *indexBuffer, unsigned indexSize, unsigned minIndex, unsigned maxIndex, unsigned mode, unsigned start, unsigned count, unsigned startInstance, unsigned instanceCount); void softpipe_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start, unsigned count) { softpipe_draw_range_elements_instanced(pipe, NULL, 0, 0, 0xffffffff, mode, start, count, 0, 1); } void softpipe_draw_range_elements(struct pipe_context *pipe, struct pipe_buffer *indexBuffer, unsigned indexSize, unsigned min_index, unsigned max_index, unsigned mode, unsigned start, unsigned count) { softpipe_draw_range_elements_instanced(pipe, indexBuffer, indexSize, min_index, max_index, mode, start, count, 0, 1); } void softpipe_draw_elements(struct pipe_context *pipe, struct pipe_buffer *indexBuffer, unsigned indexSize, unsigned mode, unsigned start, unsigned count) { softpipe_draw_range_elements_instanced(pipe, indexBuffer, indexSize, 0, 0xffffffff, mode, start, count, 0, 1); } void softpipe_draw_arrays_instanced(struct pipe_context *pipe, unsigned mode, unsigned start, unsigned count, unsigned startInstance, unsigned instanceCount) { softpipe_draw_range_elements_instanced(pipe, NULL, 0, 0, 0xffffffff, mode, start, count, startInstance, instanceCount); } void softpipe_draw_elements_instanced(struct pipe_context *pipe, struct pipe_buffer *indexBuffer, unsigned indexSize, unsigned mode, unsigned start, unsigned count, unsigned startInstance, unsigned instanceCount) { softpipe_draw_range_elements_instanced(pipe, indexBuffer, indexSize, 0, 0xffffffff, mode, start, count, startInstance, instanceCount); } static void softpipe_draw_range_elements_instanced(struct pipe_context *pipe, struct pipe_buffer *indexBuffer, unsigned indexSize, unsigned minIndex, unsigned maxIndex, unsigned mode, unsigned start, unsigned count, unsigned startInstance, unsigned instanceCount) { struct softpipe_context *sp = softpipe_context(pipe); struct draw_context *draw = sp->draw; unsigned i; if (!softpipe_check_render_cond(sp)) return; sp->reduced_api_prim = u_reduced_prim(mode); if (sp->dirty) { softpipe_update_derived(sp); } softpipe_map_transfers(sp); softpipe_map_constant_buffers(sp); /* Map vertex buffers */ for (i = 0; i < sp->num_vertex_buffers; i++) { void *buf; buf = pipe_buffer_map(pipe->screen, sp->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; mapped_indexes = pipe_buffer_map(pipe->screen, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ); draw_set_mapped_element_buffer_range(draw, indexSize, minIndex, maxIndex, mapped_indexes); } else { /* no index/element buffer */ draw_set_mapped_element_buffer_range(draw, 0, start, start + count - 1, NULL); } /* draw! */ draw_arrays_instanced(draw, mode, start, count, startInstance, instanceCount); /* unmap vertex/index buffers - will cause draw module to flush */ for (i = 0; i < sp->num_vertex_buffers; i++) { draw_set_mapped_vertex_buffer(draw, i, NULL); pipe_buffer_unmap(pipe->screen, sp->vertex_buffer[i].buffer); } if (indexBuffer) { draw_set_mapped_element_buffer(draw, 0, NULL); pipe_buffer_unmap(pipe->screen, indexBuffer); } /* Note: leave drawing surfaces mapped */ softpipe_unmap_constant_buffers(sp); sp->dirty_render_cache = TRUE; }