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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
*
* 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.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#ifndef FD3_PROGRAM_H_
#define FD3_PROGRAM_H_
#include "pipe/p_context.h"
#include "freedreno_context.h"
#include "ir-a3xx.h"
#include "disasm.h"
struct fd3_shader_stateobj {
enum shader_t type;
struct fd_bo *bo;
struct ir3_shader_info info;
struct ir3_shader *ir;
/* is shader using (or more precisely, is color_regid) half-
* precision register?
*/
bool half_precision;
/* special output register locations: */
uint8_t pos_regid, psize_regid, color_regid;
/* the instructions length is in units of instruction groups
* (4 instructions, 8 dwords):
*/
unsigned instrlen;
/* the constants length is in units of vec4's, and is the sum of
* the uniforms and the built-in compiler constants
*/
unsigned constlen;
/* About Linkage:
* + Let the frag shader determine the position/compmask for the
* varyings, since it is the place where we know if the varying
* is actually used, and if so, which components are used. So
* what the hw calls "outloc" is taken from the "inloc" of the
* frag shader.
* + From the vert shader, we only need the output regid
*/
/* varyings/outputs: */
unsigned outputs_count;
struct {
uint8_t regid;
} outputs[16];
/* vertices/inputs: */
unsigned inputs_count;
struct {
uint8_t regid;
uint8_t compmask;
/* in theory inloc of fs should match outloc of vs: */
uint8_t inloc;
} inputs[16];
unsigned total_in; /* sum of inputs (scalar) */
/* samplers: */
unsigned samplers_count;
/* const reg # of first immediate, ie. 1 == c1
* (not regid, because TGSI thinks in terms of vec4 registers,
* not scalar registers)
*/
unsigned first_immediate;
unsigned immediates_count;
struct {
uint32_t val[4];
} immediates[64];
/* so far, only used for blit_prog shader.. values for
* VPC_VARYING_INTERP[i].MODE and VPC_VARYING_PS_REPL[i].MODE
*/
uint32_t vinterp[4], vpsrepl[4];
};
void fd3_program_emit(struct fd_ringbuffer *ring,
struct fd_program_stateobj *prog);
void fd3_prog_init(struct pipe_context *pctx);
void fd3_prog_fini(struct pipe_context *pctx);
#endif /* FD3_PROGRAM_H_ */
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