| /************************************************************************** |
| * |
| * Copyright 2003 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. |
| * |
| **************************************************************************/ |
| |
| #include "i915_context.h" |
| #include "i915_state.h" |
| #include "i915_screen.h" |
| #include "i915_surface.h" |
| #include "i915_query.h" |
| #include "i915_batch.h" |
| #include "i915_resource.h" |
| |
| #include "draw/draw_context.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_inlines.h" |
| #include "util/u_memory.h" |
| #include "pipe/p_screen.h" |
| |
| |
| DEBUG_GET_ONCE_BOOL_OPTION(i915_no_vbuf, "I915_NO_VBUF", FALSE) |
| |
| |
| /* |
| * Draw functions |
| */ |
| |
| |
| static void |
| i915_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info) |
| { |
| struct i915_context *i915 = i915_context(pipe); |
| struct draw_context *draw = i915->draw; |
| const void *mapped_indices = NULL; |
| |
| |
| /* |
| * Ack vs contants here, helps ipers a lot. |
| */ |
| i915->dirty &= ~I915_NEW_VS_CONSTANTS; |
| |
| if (i915->dirty) |
| i915_update_derived(i915); |
| |
| /* |
| * Map index buffer, if present |
| */ |
| if (info->indexed) { |
| mapped_indices = i915->index_buffer.user_buffer; |
| if (!mapped_indices) |
| mapped_indices = i915_buffer(i915->index_buffer.buffer)->data; |
| draw_set_indexes(draw, |
| (ubyte *) mapped_indices + i915->index_buffer.offset, |
| i915->index_buffer.index_size); |
| } |
| |
| if (i915->constants[PIPE_SHADER_VERTEX]) |
| draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0, |
| i915_buffer(i915->constants[PIPE_SHADER_VERTEX])->data, |
| (i915->current.num_user_constants[PIPE_SHADER_VERTEX] * |
| 4 * sizeof(float))); |
| else |
| draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0, NULL, 0); |
| |
| if (i915->num_vertex_sampler_views > 0) |
| i915_prepare_vertex_sampling(i915); |
| |
| /* |
| * Do the drawing |
| */ |
| draw_vbo(i915->draw, info); |
| |
| if (mapped_indices) |
| draw_set_indexes(draw, NULL, 0); |
| |
| if (i915->num_vertex_sampler_views > 0) |
| i915_cleanup_vertex_sampling(i915); |
| |
| /* |
| * Instead of flushing on every state change, we flush once here |
| * when we fire the vbo. |
| */ |
| draw_flush(i915->draw); |
| } |
| |
| |
| /* |
| * Generic context functions |
| */ |
| |
| |
| static void i915_destroy(struct pipe_context *pipe) |
| { |
| struct i915_context *i915 = i915_context(pipe); |
| int i; |
| |
| if (i915->blitter) |
| util_blitter_destroy(i915->blitter); |
| |
| draw_destroy(i915->draw); |
| |
| if(i915->batch) |
| i915->iws->batchbuffer_destroy(i915->batch); |
| |
| /* unbind framebuffer */ |
| for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { |
| pipe_surface_reference(&i915->framebuffer.cbufs[i], NULL); |
| } |
| pipe_surface_reference(&i915->framebuffer.zsbuf, NULL); |
| |
| /* unbind constant buffers */ |
| for (i = 0; i < PIPE_SHADER_TYPES; i++) { |
| pipe_resource_reference(&i915->constants[i], NULL); |
| } |
| |
| FREE(i915); |
| } |
| |
| struct pipe_context * |
| i915_create_context(struct pipe_screen *screen, void *priv) |
| { |
| struct i915_context *i915; |
| |
| i915 = CALLOC_STRUCT(i915_context); |
| if (i915 == NULL) |
| return NULL; |
| |
| i915->iws = i915_screen(screen)->iws; |
| i915->base.screen = screen; |
| i915->base.priv = priv; |
| |
| i915->base.destroy = i915_destroy; |
| |
| if (i915_screen(screen)->debug.use_blitter) |
| i915->base.clear = i915_clear_blitter; |
| else |
| i915->base.clear = i915_clear_render; |
| |
| i915->base.draw_vbo = i915_draw_vbo; |
| |
| /* init this before draw */ |
| util_slab_create(&i915->transfer_pool, sizeof(struct pipe_transfer), |
| 16, UTIL_SLAB_SINGLETHREADED); |
| util_slab_create(&i915->texture_transfer_pool, sizeof(struct i915_transfer), |
| 16, UTIL_SLAB_SINGLETHREADED); |
| |
| /* Batch stream debugging is a bit hacked up at the moment: |
| */ |
| i915->batch = i915->iws->batchbuffer_create(i915->iws); |
| |
| /* |
| * Create drawing context and plug our rendering stage into it. |
| */ |
| i915->draw = draw_create(&i915->base); |
| assert(i915->draw); |
| if (!debug_get_option_i915_no_vbuf()) { |
| 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_resource_functions(i915); |
| i915_init_query_functions(i915); |
| |
| draw_install_aaline_stage(i915->draw, &i915->base); |
| draw_install_aapoint_stage(i915->draw, &i915->base); |
| draw_enable_point_sprites(i915->draw, TRUE); |
| |
| /* augmented draw pipeline clobbers state functions */ |
| i915_init_fixup_state_functions(i915); |
| |
| /* Create blitter last - calls state creation functions. */ |
| i915->blitter = util_blitter_create(&i915->base); |
| assert(i915->blitter); |
| |
| i915->dirty = ~0; |
| i915->hardware_dirty = ~0; |
| i915->immediate_dirty = ~0; |
| i915->dynamic_dirty = ~0; |
| i915->static_dirty = ~0; |
| i915->flush_dirty = 0; |
| |
| return &i915->base; |
| } |