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/*
* Copyright © 2013 Intel Corporation
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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/mtypes.h"
#include "program/prog_parameter.h"
#include "brw_context.h"
#include "brw_state.h"
/* Creates a new GS constant buffer reflecting the current GS program's
* constants, if needed by the GS program.
*
* Otherwise, constants go through the CURBEs using the brw_constant_buffer
* state atom.
*/
static void
brw_upload_gs_pull_constants(struct brw_context *brw)
{
struct brw_stage_state *stage_state = &brw->gs.base;
/* BRW_NEW_GEOMETRY_PROGRAM */
struct brw_geometry_program *gp =
(struct brw_geometry_program *) brw->geometry_program;
if (!gp)
return;
/* CACHE_NEW_GS_PROG */
const struct brw_vec4_prog_data *prog_data = &brw->gs.prog_data->base;
/* _NEW_PROGRAM_CONSTANTS */
brw_upload_vec4_pull_constants(brw, BRW_NEW_GS_CONSTBUF, &gp->program.Base,
stage_state, prog_data);
}
const struct brw_tracked_state brw_gs_pull_constants = {
.dirty = {
.mesa = (_NEW_PROGRAM_CONSTANTS),
.brw = (BRW_NEW_BATCH | BRW_NEW_GEOMETRY_PROGRAM),
.cache = CACHE_NEW_GS_PROG,
},
.emit = brw_upload_gs_pull_constants,
};
static void
brw_upload_gs_ubo_surfaces(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct brw_stage_state *stage_state = &brw->gs.base;
/* _NEW_PROGRAM */
struct gl_shader_program *prog = ctx->Shader.CurrentGeometryProgram;
if (!prog)
return;
brw_upload_ubo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_GEOMETRY],
&stage_state->surf_offset[SURF_INDEX_VEC4_UBO(0)]);
}
const struct brw_tracked_state brw_gs_ubo_surfaces = {
.dirty = {
.mesa = _NEW_PROGRAM,
.brw = BRW_NEW_BATCH | BRW_NEW_UNIFORM_BUFFER,
.cache = 0,
},
.emit = brw_upload_gs_ubo_surfaces,
};
/**
* Constructs the binding table for the WM surface state, which maps unit
* numbers to surface state objects.
*/
static void
brw_gs_upload_binding_table(struct brw_context *brw)
{
struct brw_stage_state *stage_state = &brw->gs.base;
/* If there's no GS, skip changing anything. */
if (!brw->gs.prog_data)
return;
/* CACHE_NEW_GS_PROG */
const struct brw_vec4_prog_data *prog_data = &brw->gs.prog_data->base;
/* BRW_NEW_SURFACES and BRW_NEW_GS_CONSTBUF */
brw_vec4_upload_binding_table(brw, BRW_NEW_GS_BINDING_TABLE, stage_state,
prog_data);
}
const struct brw_tracked_state brw_gs_binding_table = {
.dirty = {
.mesa = 0,
.brw = (BRW_NEW_BATCH |
BRW_NEW_GS_CONSTBUF |
BRW_NEW_SURFACES),
.cache = CACHE_NEW_GS_PROG
},
.emit = brw_gs_upload_binding_table,
};
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