diff options
Diffstat (limited to 'opengl/libs/EGL/getProcAddress.cpp')
| -rw-r--r-- | opengl/libs/EGL/getProcAddress.cpp | 46 |
1 files changed, 38 insertions, 8 deletions
diff --git a/opengl/libs/EGL/getProcAddress.cpp b/opengl/libs/EGL/getProcAddress.cpp index 8dcf38d..d23da7a 100644 --- a/opengl/libs/EGL/getProcAddress.cpp +++ b/opengl/libs/EGL/getProcAddress.cpp @@ -37,14 +37,9 @@ namespace android { #if USE_FAST_TLS_KEY - #ifdef HAVE_ARM_TLS_REGISTER - #define GET_TLS(reg) \ - "mrc p15, 0, " #reg ", c13, c0, 3 \n" - #else - #define GET_TLS(reg) \ - "mov " #reg ", #0xFFFF0FFF \n" \ - "ldr " #reg ", [" #reg ", #-15] \n" - #endif + #if defined(__arm__) + + #define GET_TLS(reg) "mrc p15, 0, " #reg ", c13, c0, 3 \n" #define API_ENTRY(_api) __attribute__((naked)) _api @@ -64,6 +59,41 @@ namespace android { : \ ); + #elif defined(__mips__) + + #define API_ENTRY(_api) __attribute__((noinline)) _api + + #define CALL_GL_EXTENSION_API(_api, ...) \ + register unsigned int t0 asm("t0"); \ + register unsigned int fn asm("t1"); \ + register unsigned int tls asm("v1"); \ + 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" \ + " nop\n\t" \ + ".set pop\n\t" \ + : [fn] "=c"(fn), \ + [tls] "=&r"(tls), \ + [t0] "=&r"(t0) \ + : [OPENGL_API] "I"(TLS_SLOT_OPENGL_API*4), \ + [API] "I"(__builtin_offsetof(gl_hooks_t, \ + ext.extensions[_api])) \ + : \ + ); + + #else + #error Unsupported architecture + #endif + #define GL_EXTENSION_NAME(_n) __glExtFwd##_n #define GL_EXTENSION(_n) \ |