deps/libretro-common/include/glsm/glsm.h

   1 /* Copyright (C) 2010-2018 The RetroArch team
   2  *
   3  * ---------------------------------------------------------------------------------------
   4  * The following license statement only applies to this libretro SDK code part (glsm.h).
   5  * ---------------------------------------------------------------------------------------
   6  *
   7  * Permission is hereby granted, free of charge,
   8  * to any person obtaining a copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation the rights to
  10  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
  11  * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
  16  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  18  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  19  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 #ifndef LIBRETRO_SDK_GLSM_H
  24 #define LIBRETRO_SDK_GLSM_H
  25
  26 #include <retro_common_api.h>
  27
  28 #include <boolean.h>
  29 #include <libretro.h>
  30 #include <glsym/rglgen_headers.h>
  31
  32 RETRO_BEGIN_DECLS
  33
  34 #ifdef HAVE_OPENGLES2
  35 typedef double GLdouble;
  36 typedef double GLclampd;
  37 #endif
  38
  39 #if defined(HAVE_OPENGLES2)
  40 #define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER
  41 #define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_OES
  42 #define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT
  43 #define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT
  44 #elif (defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__)))
  45 #define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER_EXT
  46 #define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_EXT
  47 #define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_EXT
  48 #define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_EXT
  49 #elif defined(HAVE_PSGL)
  50 #define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER_OES
  51 #define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_SCE
  52 #define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_OES
  53 #define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_OES
  54 #else
  55 #define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER
  56 #define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8
  57 #define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT
  58 #define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT
  59 #endif
  60
  61 #if defined(HAVE_PSGL)
  62 #define RARCH_GL_FRAMEBUFFER GL_FRAMEBUFFER_OES
  63 #define RARCH_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_OES
  64 #define RARCH_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT
  65 #elif (defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__)))
  66 #define RARCH_GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT
  67 #define RARCH_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_EXT
  68 #define RARCH_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT
  69 #else
  70 #define RARCH_GL_FRAMEBUFFER GL_FRAMEBUFFER
  71 #define RARCH_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE
  72 #define RARCH_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0
  73 #endif
  74
  75 #ifndef GL_FOG
  76 #define GL_FOG 0x0B60
  77 #endif
  78
  79 #ifndef GL_ALPHA_TEST
  80 #define GL_ALPHA_TEST 0x0BC0
  81 #endif
  82
  83 #ifndef GL_CLIP_DISTANCE0
  84 #define GL_CLIP_DISTANCE0 0x3000
  85 #endif
  86
  87 #define MAX_ATTRIB 8
  88
  89 enum
  90 {
  91    SGL_DEPTH_TEST             = 0,
  92    SGL_BLEND,
  93    SGL_POLYGON_OFFSET_FILL,
  94    SGL_FOG,
  95    SGL_CULL_FACE,
  96    SGL_ALPHA_TEST,
  97    SGL_SCISSOR_TEST,
  98    SGL_STENCIL_TEST,
  99 #if !defined(HAVE_OPENGLES)
 100    SGL_DEPTH_CLAMP,
 101    SGL_CLIP_DISTANCE0,
 102 #endif
 103    SGL_DITHER,
 104    SGL_SAMPLE_ALPHA_TO_COVERAGE,
 105    SGL_SAMPLE_COVERAGE,
 106 #ifndef HAVE_OPENGLES
 107    SGL_COLOR_LOGIC_OP,
 108 #endif
 109    SGL_CAP_MAX
 110 };
 111
 112 enum glsm_state_ctl
 113 {
 114    GLSM_CTL_NONE = 0,
 115    GLSM_CTL_STATE_SETUP,
 116    GLSM_CTL_STATE_BIND,
 117    GLSM_CTL_STATE_UNBIND,
 118    GLSM_CTL_STATE_CONTEXT_RESET,
 119    GLSM_CTL_STATE_CONTEXT_DESTROY,
 120    GLSM_CTL_STATE_CONTEXT_INIT,
 121    GLSM_CTL_IS_IMM_VBO,
 122    GLSM_CTL_SET_IMM_VBO,
 123    GLSM_CTL_UNSET_IMM_VBO,
 124    GLSM_CTL_IMM_VBO_DISABLE,
 125    GLSM_CTL_IMM_VBO_DRAW,
 126    GLSM_CTL_PROC_ADDRESS_GET
 127 };
 128
 129 typedef bool (*glsm_imm_vbo_draw)(void *);
 130 typedef bool (*glsm_imm_vbo_disable)(void *);
 131 typedef bool (*glsm_framebuffer_lock)(void *);
 132
 133 typedef struct glsm_ctx_proc_address
 134 {
 135    retro_get_proc_address_t addr;
 136 } glsm_ctx_proc_address_t;
 137
 138 typedef struct glsm_ctx_params
 139 {
 140    glsm_framebuffer_lock    framebuffer_lock;
 141    glsm_imm_vbo_draw        imm_vbo_draw;
 142    glsm_imm_vbo_disable     imm_vbo_disable;
 143    retro_hw_context_reset_t context_reset;
 144    retro_hw_context_reset_t context_destroy;
 145    retro_environment_t environ_cb;
 146    bool stencil;
 147    unsigned major;
 148    unsigned minor;
 149    enum retro_hw_context_type context_type;
 150 } glsm_ctx_params_t;
 151
 152 GLuint glsm_get_current_framebuffer(void);
 153
 154 bool glsm_ctl(enum glsm_state_ctl state, void *data);
 155
 156 RETRO_END_DECLS
 157
 158 #endif