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/**************************************************************************
*
* 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 "pipe/p_context.h"
static void st_dispatch_compute_common(struct gl_context *ctx,
const GLuint *num_groups,
struct pipe_resource *indirect,
GLintptr indirect_offset)
{
struct gl_shader_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] = prog->Comp.LocalSize[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, 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, indirect, indirect_offset);
}
void st_init_compute_functions(struct dd_function_table *functions)
{
functions->DispatchCompute = st_dispatch_compute;
functions->DispatchComputeIndirect = st_dispatch_compute_indirect;
}
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