diff options
Diffstat (limited to 'opengl/libs/GLES_CM/gl.cpp')
| -rw-r--r-- | opengl/libs/GLES_CM/gl.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/opengl/libs/GLES_CM/gl.cpp b/opengl/libs/GLES_CM/gl.cpp index 48fd278..bd08942 100644 --- a/opengl/libs/GLES_CM/gl.cpp +++ b/opengl/libs/GLES_CM/gl.cpp @@ -97,6 +97,8 @@ GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type, #if USE_FAST_TLS_KEY && !CHECK_FOR_GL_ERRORS + #if defined(__arm__) + #define GET_TLS(reg) "mrc p15, 0, " #reg ", c13, c0, 3 \n" #define API_ENTRY(_api) __attribute__((naked)) _api @@ -115,6 +117,42 @@ GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type, : \ ); + #elif defined(__mips__) + + #define API_ENTRY(_api) __attribute__((noinline)) _api + + #define CALL_GL_API(_api, ...) \ + register unsigned int t0 asm("t0"); \ + register unsigned int fn asm("t1"); \ + register unsigned int tls asm("v1"); \ + register unsigned int v0 asm("v0"); \ + asm volatile( \ + ".set push\n\t" \ + ".set noreorder\n\t" \ + ".set mips32r2\n\t" \ + "rdhwr %[tls], $29\n\t" \ + "lw %[t0], %[OPENGL_API](%[tls])\n\t" \ + "beqz %[t0], 1f\n\t" \ + " move %[fn], $ra\n\t" \ + "lw %[fn], %[API](%[t0])\n\t" \ + "movz %[fn], $ra, %[fn]\n\t" \ + "1:\n\t" \ + "j %[fn]\n\t" \ + " move %[v0], $0\n\t" \ + ".set pop\n\t" \ + : [fn] "=c"(fn), \ + [tls] "=&r"(tls), \ + [t0] "=&r"(t0), \ + [v0] "=&r"(v0) \ + : [OPENGL_API] "I"(TLS_SLOT_OPENGL_API*4), \ + [API] "I"(__builtin_offsetof(gl_hooks_t, gl._api)) \ + : \ + ); + + #else + #error Unsupported architecture + #endif + #define CALL_GL_API_RETURN(_api, ...) \ CALL_GL_API(_api, __VA_ARGS__) \ return 0; // placate gcc's warnings. never reached. |