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/*
* Copyright (C) 2019 Collabora, Ltd.
*
* 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 (Collabora):
* Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
*
*/
#ifndef __PAN_BLEND_CSO_H
#define __PAN_BLEND_CSO_H
#include "pan_blend.h"
#include "util/hash_table.h"
#include "nir.h"
struct panfrost_bo;
struct panfrost_blend_shader_key {
/* RT format */
enum pipe_format format;
/* Render target */
unsigned rt : 3;
/* Blend shader uses blend constants */
unsigned has_constants : 1;
/* Logic Op info */
unsigned logicop_enable : 1;
unsigned logicop_func:4;
/* Number of samples */
unsigned nr_samples : 5;
struct pipe_rt_blend_state equation;
};
/* A blend shader descriptor ready for actual use */
struct panfrost_blend_shader_final {
/* GPU address where we're compiled to */
uint64_t gpu;
/* First instruction tag (for tagging the pointer) */
unsigned first_tag;
};
struct panfrost_blend_equation_final {
struct MALI_BLEND_EQUATION equation;
float constant;
};
struct panfrost_blend_state {
struct pipe_blend_state base;
struct pan_blend_state pan;
};
/* Container for a final blend state, specialized to constants and a
* framebuffer formats. */
struct panfrost_blend_final {
/* Set for a shader, clear for an equation */
bool is_shader;
/* Set if this is the replace mode */
bool opaque;
/* Set if destination is loaded */
bool load_dest;
/* Set if the colour mask is 0x0 (nothing is written) */
bool no_colour;
union {
struct panfrost_blend_shader_final shader;
struct panfrost_blend_equation_final equation;
};
};
void
panfrost_blend_context_init(struct pipe_context *pipe);
struct panfrost_blend_final
panfrost_get_blend_for_context(struct panfrost_context *ctx, unsigned rt, struct panfrost_bo **bo, unsigned *shader_offset);
struct panfrost_blend_shader *
panfrost_get_blend_shader(struct panfrost_context *ctx,
struct panfrost_blend_state *blend,
enum pipe_format fmt, unsigned nr_samples,
unsigned rt,
const float *constants);
#endif
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