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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* 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.
*
**************************************************************************/
/**
* @file
* C - JIT interfaces
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#ifndef LP_JIT_H
#define LP_JIT_H
#include "lp_bld_struct.h"
#include "pipe/p_state.h"
struct tgsi_sampler;
struct llvmpipe_screen;
struct lp_jit_texture
{
uint32_t width;
uint32_t height;
uint32_t stride;
const void *data;
};
enum {
LP_JIT_TEXTURE_WIDTH = 0,
LP_JIT_TEXTURE_HEIGHT,
LP_JIT_TEXTURE_STRIDE,
LP_JIT_TEXTURE_DATA
};
/**
* This structure is passed directly to the generated fragment shader.
*
* It contains the derived state.
*
* Changes here must be reflected in the lp_jit_context_* macros and
* lp_jit_init_types function. Changes to the ordering should be avoided.
*
* Only use types with a clear size and padding here, in particular prefer the
* stdint.h types to the basic integer types.
*/
struct lp_jit_context
{
const float *constants;
struct tgsi_sampler **samplers;
float alpha_ref_value;
/* FIXME: store (also?) in floats */
uint8_t *blend_color;
struct lp_jit_texture textures[PIPE_MAX_SAMPLERS];
};
#define lp_jit_context_constants(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 0, "constants")
#define lp_jit_context_samplers(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 1, "samplers")
#define lp_jit_context_alpha_ref_value(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 2, "alpha_ref_value")
#define lp_jit_context_blend_color(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 3, "blend_color")
#define LP_JIT_CONTEXT_TEXTURES_INDEX 4
#define lp_jit_context_textures(_builder, _ptr) \
lp_build_struct_get_ptr(_builder, _ptr, LP_JIT_CONTEXT_TEXTURES_INDEX, "textures")
typedef void
(*lp_jit_frag_func)(struct lp_jit_context *context,
uint32_t x,
uint32_t y,
const void *a0,
const void *dadx,
const void *dady,
uint32_t *mask,
void *color,
void *depth);
void PIPE_CDECL
lp_fetch_texel_soa( struct tgsi_sampler **samplers,
uint32_t unit,
float *store );
void
lp_jit_screen_cleanup(struct llvmpipe_screen *screen);
void
lp_jit_screen_init(struct llvmpipe_screen *screen);
#endif /* LP_JIT_H */
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