| /************************************************************************** |
| * |
| * Copyright 2016 Samuel Pitoiset |
| * 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 VMWARE 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 "main/state.h" |
| #include "st_atom.h" |
| #include "st_context.h" |
| #include "st_cb_bitmap.h" |
| #include "st_cb_bufferobjects.h" |
| #include "st_cb_compute.h" |
| #include "st_util.h" |
| |
| #include "pipe/p_context.h" |
| |
| static void st_dispatch_compute_common(struct gl_context *ctx, |
| const GLuint *num_groups, |
| const GLuint *group_size, |
| struct pipe_resource *indirect, |
| GLintptr indirect_offset) |
| { |
| struct gl_program *prog = |
| ctx->_Shader->CurrentProgram[MESA_SHADER_COMPUTE]; |
| struct st_context *st = st_context(ctx); |
| struct pipe_context *pipe = st->pipe; |
| struct pipe_grid_info info = { 0 }; |
| |
| st_flush_bitmap_cache(st); |
| st_invalidate_readpix_cache(st); |
| |
| if (ctx->NewState) |
| _mesa_update_state(ctx); |
| |
| if ((st->dirty | ctx->NewDriverState) & ST_PIPELINE_COMPUTE_STATE_MASK || |
| st->compute_shader_may_be_dirty) |
| st_validate_state(st, ST_PIPELINE_COMPUTE); |
| |
| for (unsigned i = 0; i < 3; i++) { |
| info.block[i] = group_size ? group_size[i] : prog->info.cs.local_size[i]; |
| info.grid[i] = num_groups ? num_groups[i] : 0; |
| } |
| |
| if (indirect) { |
| info.indirect = indirect; |
| info.indirect_offset = indirect_offset; |
| } |
| |
| pipe->launch_grid(pipe, &info); |
| } |
| |
| static void st_dispatch_compute(struct gl_context *ctx, |
| const GLuint *num_groups) |
| { |
| st_dispatch_compute_common(ctx, num_groups, NULL, NULL, 0); |
| } |
| |
| static void st_dispatch_compute_indirect(struct gl_context *ctx, |
| GLintptr indirect_offset) |
| { |
| struct gl_buffer_object *indirect_buffer = ctx->DispatchIndirectBuffer; |
| struct pipe_resource *indirect = st_buffer_object(indirect_buffer)->buffer; |
| |
| st_dispatch_compute_common(ctx, NULL, NULL, indirect, indirect_offset); |
| } |
| |
| static void st_dispatch_compute_group_size(struct gl_context *ctx, |
| const GLuint *num_groups, |
| const GLuint *group_size) |
| { |
| st_dispatch_compute_common(ctx, num_groups, group_size, NULL, 0); |
| } |
| |
| void st_init_compute_functions(struct dd_function_table *functions) |
| { |
| functions->DispatchCompute = st_dispatch_compute; |
| functions->DispatchComputeIndirect = st_dispatch_compute_indirect; |
| functions->DispatchComputeGroupSize = st_dispatch_compute_group_size; |
| } |