Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mesa
 Path: blob/21.2-virgl/src/gallium/drivers/r300/r300_fs.h
4570 views
1
/*

2
 * Copyright 2008 Corbin Simpson <[email protected]>

3
 *                Joakim Sindholt <[email protected]>

4
 * Copyright 2009 Marek Olšák <[email protected]>

5
 *

6
 * Permission is hereby granted, free of charge, to any person obtaining a

7
 * copy of this software and associated documentation files (the "Software"),

8
 * to deal in the Software without restriction, including without limitation

9
 * on the rights to use, copy, modify, merge, publish, distribute, sub

10
 * license, and/or sell copies of the Software, and to permit persons to whom

11
 * the Software is furnished to do so, subject to the following conditions:

12
 *

13
 * The above copyright notice and this permission notice (including the next

14
 * paragraph) shall be included in all copies or substantial portions of the

15
 * Software.

16
 *

17
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

18
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

19
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL

20
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,

21
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

22
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE

23
 * USE OR OTHER DEALINGS IN THE SOFTWARE. */

24


25
#ifndef R300_FS_H

26
#define R300_FS_H

27


28
#include "pipe/p_state.h"

29
#include "tgsi/tgsi_scan.h"

30
#include "compiler/radeon_code.h"

31
#include "r300_shader_semantics.h"

32


33
struct r300_fragment_shader_code {

34
    struct rX00_fragment_program_code code;

35
    struct tgsi_shader_info info;

36
    struct r300_shader_semantics inputs;

37


38
    /* Whether the shader was replaced by a dummy one due to a shader

39
     * compilation failure. */

40
    boolean dummy;

41


42
    /* Numbers of constants for each type. */

43
    unsigned externals_count;

44
    unsigned immediates_count;

45
    unsigned rc_state_count;

46


47
    /* Registers for fragment depth output setup. */

48
    uint32_t fg_depth_src;      /* R300_FG_DEPTH_SRC: 0x4bd8 */

49
    uint32_t us_out_w;          /* R300_US_W_FMT:     0x46b4 */

50


51
    struct r300_fragment_program_external_state compare_state;

52


53
    unsigned cb_code_size;

54
    uint32_t *cb_code;

55


56
    struct r300_fragment_shader_code* next;

57


58
    boolean write_all;

59


60
};

61


62
struct r300_fragment_shader {

63
    /* Parent class */

64
    struct pipe_shader_state state;

65


66
    /* Currently-bound fragment shader. */

67
    struct r300_fragment_shader_code* shader;

68


69
    /* List of the same shaders compiled with different texture-compare

70
     * states. */

71
    struct r300_fragment_shader_code* first;

72
};

73


74
void r300_shader_read_fs_inputs(struct tgsi_shader_info* info,

75
                                struct r300_shader_semantics* fs_inputs);

76


77
/* Return TRUE if the shader was switched and should be re-emitted. */

78
boolean r300_pick_fragment_shader(struct r300_context* r300);

79


80
static inline boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs)

81
{

82
    if (!fs)

83
        return FALSE;

84
    return (fs->shader->code.writes_depth) ? TRUE : FALSE;

85
}

86


87
static inline boolean r300_fragment_shader_writes_all(struct r300_fragment_shader *fs)

88
{

89
    if (!fs)

90
        return FALSE;

91
    return (fs->shader->write_all) ? TRUE : FALSE;

92
}

93
#endif /* R300_FS_H */

94


95