Switch GLES wrappers over to using Clang (and fix inline assembly). (3e8fce48) · Commits · e / os / android_frameworks_native

opengl/libs/Android.mk

+0 −3

Original line number	Diff line number	Diff line
		@@ -79,7 +79,6 @@ LOCAL_SRC_FILES:= \
		GLES_CM/gl.cpp.arm \
		#

		LOCAL_CLANG := false
		LOCAL_SHARED_LIBRARIES += libcutils liblog libEGL
		LOCAL_MODULE:= libGLESv1_CM

		@@ -107,7 +106,6 @@ LOCAL_SRC_FILES:= \
		GLES2/gl2.cpp \
		#

		LOCAL_CLANG := false
		LOCAL_ARM_MODE := arm
		LOCAL_SHARED_LIBRARIES += libcutils libutils liblog libEGL
		LOCAL_MODULE:= libGLESv2
		@@ -135,7 +133,6 @@ LOCAL_SRC_FILES:= \
		GLES2/gl2.cpp \
		#

		LOCAL_CLANG := false
		LOCAL_ARM_MODE := arm
		LOCAL_SHARED_LIBRARIES += libcutils libutils liblog libEGL
		LOCAL_MODULE:= libGLESv3

opengl/libs/GLES2/gl2.cpp

+172 −91

Original line number	Diff line number	Diff line
		@@ -34,23 +34,32 @@ using namespace android;

		#undef API_ENTRY
		#undef CALL_GL_API
		#undef CALL_GL_API_INTERNAL_CALL
		#undef CALL_GL_API_INTERNAL_SET_RETURN_VALUE
		#undef CALL_GL_API_INTERNAL_DO_RETURN
		#undef CALL_GL_API_RETURN

		#if USE_SLOW_BINDING

		#define API_ENTRY(_api) _api

		#define CALL_GL_API(_api, ...) \
		#define CALL_GL_API_INTERNAL_CALL(_api, ...) \
		gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \
		if (_c) return _c->_api(__VA_ARGS__);

		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE return 0;

		// This stays blank, since void functions will implicitly return, and
		// all of the other functions will return 0 based on the previous macro.
		#define CALL_GL_API_INTERNAL_DO_RETURN

		#elif defined(__arm__)

		#define GET_TLS(reg) "mrc p15, 0, " #reg ", c13, c0, 3 \n"

		#define API_ENTRY(_api) __attribute__((noinline)) _api
		#define API_ENTRY(_api) __attribute__((naked,noinline)) _api

		#define CALL_GL_API(_api, ...) \
		#define CALL_GL_API_INTERNAL_CALL(_api, ...) \
		asm volatile( \
		GET_TLS(r12) \
		"ldr r12, [r12, %[tls]] \n" \
		@@ -59,14 +68,31 @@ using namespace android;
		: \
		: [tls] "J"(TLS_SLOT_OPENGL_API*4), \
		[api] "J"(__builtin_offsetof(gl_hooks_t, gl._api)) \
		: "r12" \
		: "r0", "r1", "r2", "r3", "r12" \
		);

		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE \
		asm volatile( \
		"mov r0, #0 \n" \
		: \
		: \
		: "r0" \
		);


		#define CALL_GL_API_INTERNAL_DO_RETURN \
		asm volatile( \
		"bx lr \n" \
		: \
		: \
		: "r0" \
		);

		#elif defined(__aarch64__)

		#define API_ENTRY(_api) __attribute__((noinline)) _api
		#define API_ENTRY(_api) __attribute__((naked,noinline)) _api

		#define CALL_GL_API(_api, ...) \
		#define CALL_GL_API_INTERNAL_CALL(_api, ...) \
		asm volatile( \
		"mrs x16, tpidr_el0\n" \
		"ldr x16, [x16, %[tls]]\n" \
		@@ -77,121 +103,173 @@ using namespace android;
		: \
		: [tls] "i" (TLS_SLOT_OPENGL_API * sizeof(void*)), \
		[api] "i" (__builtin_offsetof(gl_hooks_t, gl._api)) \
		: "x16" \
		: "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", "x16" \
		);

		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE \
		asm volatile( \
		"mov w0, wzr \n" \
		: \
		: \
		: "w0" \
		);

		#define CALL_GL_API_INTERNAL_DO_RETURN \
		asm volatile( \
		"ret \n" \
		: \
		: \
		: \
		);

		#elif defined(__i386__)

		#define API_ENTRY(_api) __attribute__((noinline,optimize("omit-frame-pointer"))) _api
		#define API_ENTRY(_api) __attribute__((naked,noinline)) _api

		#define CALL_GL_API(_api, ...) \
		register void** fn; \
		#define CALL_GL_API_INTERNAL_CALL(_api, ...) \
		__asm__ volatile( \
		"mov %%gs:0, %[fn]\n" \
		"mov %P[tls](%[fn]), %[fn]\n" \
		"test %[fn], %[fn]\n" \
		"mov %%gs:0, %%eax\n" \
		"mov %P[tls](%%eax), %%eax\n" \
		"test %%eax, %%eax\n" \
		"je 1f\n" \
		"jmp *%P[api](%[fn])\n" \
		"jmp *%P[api](%%eax)\n" \
		"1:\n" \
		: [fn] "=r" (fn) \
		: \
		: [tls] "i" (TLS_SLOT_OPENGL_APIsizeof(void)), \
		[api] "i" (__builtin_offsetof(gl_hooks_t, gl._api)) \
		: "cc" \
		: "cc", "%eax" \
		);

		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE \
		__asm__ volatile( \
		"xor %%eax, %%eax\n" \
		: \
		: \
		: "%eax" \
		);

		#define CALL_GL_API_INTERNAL_DO_RETURN \
		__asm__ volatile( \
		"ret\n" \
		: \
		: \
		: \
		);

		#elif defined(__x86_64__)

		#define API_ENTRY(_api) __attribute__((noinline,optimize("omit-frame-pointer"))) _api
		#define API_ENTRY(_api) __attribute__((naked,noinline)) _api

		#define CALL_GL_API(_api, ...) \
		register void** fn; \
		#define CALL_GL_API_INTERNAL_CALL(_api, ...) \
		__asm__ volatile( \
		"mov %%fs:0, %[fn]\n" \
		"mov %P[tls](%[fn]), %[fn]\n" \
		"test %[fn], %[fn]\n" \
		"mov %%fs:0, %%rax\n" \
		"mov %P[tls](%%rax), %%rax\n" \
		"test %%rax, %%rax\n" \
		"je 1f\n" \
		"jmp *%P[api](%[fn])\n" \
		"jmp *%P[api](%%rax)\n" \
		"1:\n" \
		: [fn] "=r" (fn) \
		: \
		: [tls] "i" (TLS_SLOT_OPENGL_APIsizeof(void)), \
		[api] "i" (__builtin_offsetof(gl_hooks_t, gl._api)) \
		: "cc" \
		: "cc", "%rdi", "%rsi", "%rdx", "%rcx", "%r8", "%r9", \
		"%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", \
		"%xmm6", "%xmm7" \
		);

		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE \
		__asm__ volatile( \
		"xor %%eax, %%eax\n" \
		: \
		: \
		: "%eax" \
		);

		#define CALL_GL_API_INTERNAL_DO_RETURN \
		__asm__ volatile( \
		"retq\n" \
		: \
		: \
		: \
		);

		#elif defined(__mips64)

		#define API_ENTRY(_api) __attribute__((noinline)) _api
		#define API_ENTRY(_api) __attribute__((naked,noinline)) _api

		#define CALL_GL_API(_api, ...) \
		register unsigned long _t0 asm("$12"); \
		register unsigned long _fn asm("$25"); \
		register unsigned long _tls asm("$3"); \
		register unsigned long _v0 asm("$2"); \
		// t0: $12
		// fn: $25
		// tls: $3
		// v0: $2
		#define CALL_GL_API_INTERNAL_CALL(_api, ...) \
		asm volatile( \
		".set push\n\t" \
		".set noreorder\n\t" \
		"rdhwr %[tls], $29\n\t" \
		"ld %[t0], %[OPENGL_API](%[tls])\n\t" \
		"beqz %[t0], 1f\n\t" \
		" move %[fn], $ra\n\t" \
		"ld %[t0], %[API](%[t0])\n\t" \
		"beqz %[t0], 1f\n\t" \
		"rdhwr $3, $29\n\t" \
		"ld $12, %[OPENGL_API]($3)\n\t" \
		"beqz $12, 1f\n\t" \
		" move $25, $ra\n\t" \
		"ld $12, %[API]($12)\n\t" \
		"beqz $12, 1f\n\t" \
		" nop\n\t" \
		"move %[fn], %[t0]\n\t" \
		"move $25, $12\n\t" \
		"1:\n\t" \
		"jalr $0, %[fn]\n\t" \
		" move %[v0], $0\n\t" \
		"jalr $0, $25\n\t" \
		" move $2, $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_APIsizeof(void)),\
		[API] "I"(__builtin_offsetof(gl_hooks_t, gl._api)) \
		: \
		: "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9", \
		"$10", "$11", "$12", "$25" \
		);

		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE
		#define CALL_GL_API_INTERNAL_DO_RETURN

		#elif defined(__mips__)

		#define API_ENTRY(_api) __attribute__((noinline)) _api
		#define API_ENTRY(_api) __attribute__((naked,noinline)) _api

		#define CALL_GL_API(_api, ...) \
		register unsigned int _t0 asm("$8"); \
		register unsigned int _fn asm("$25"); \
		register unsigned int _tls asm("$3"); \
		register unsigned int _v0 asm("$2"); \
		// t0: $8
		// fn: $25
		// tls: $3
		// v0: $2
		#define CALL_GL_API_INTERNAL_CALL(_api, ...) \
		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 %[t0], %[API](%[t0])\n\t" \
		"beqz %[t0], 1f\n\t" \
		"rdhwr $3, $29\n\t" \
		"lw $3, %[OPENGL_API]($3)\n\t" \
		"beqz $3, 1f\n\t" \
		" move $25,$ra\n\t" \
		"lw $3, %[API]($3)\n\t" \
		"beqz $3, 1f\n\t" \
		" nop\n\t" \
		"move %[fn], %[t0]\n\t" \
		"move $25, $3\n\t" \
		"1:\n\t" \
		"jalr $0, %[fn]\n\t" \
		" move %[v0], $0\n\t" \
		"jalr $0, $25\n\t" \
		" move $2, $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)) \
		: \
		: "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$25" \
		);

		#endif
		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE
		#define CALL_GL_API_INTERNAL_DO_RETURN

		#define CALL_GL_API_RETURN(_api, ...) \
		CALL_GL_API(_api, __VA_ARGS__) \
		return 0;
		#endif

		#define CALL_GL_API(_api, ...) \
		CALL_GL_API_INTERNAL_CALL(_api, __VA_ARGS__) \
		CALL_GL_API_INTERNAL_DO_RETURN

		#define CALL_GL_API_RETURN(_api, ...) \
		CALL_GL_API_INTERNAL_CALL(_api, __VA_ARGS__) \
		CALL_GL_API_INTERNAL_SET_RETURN_VALUE \
		CALL_GL_API_INTERNAL_DO_RETURN

		extern "C" {
		#pragma GCC diagnostic ignored "-Wunused-parameter"
		@@ -202,6 +280,9 @@ extern "C" {

		#undef API_ENTRY
		#undef CALL_GL_API
		#undef CALL_GL_API_INTERNAL_CALL
		#undef CALL_GL_API_INTERNAL_SET_RETURN_VALUE
		#undef CALL_GL_API_INTERNAL_DO_RETURN
		#undef CALL_GL_API_RETURN

		/*

opengl/libs/GLES_CM/gl.cpp

+172 −90

File changed.

Preview size limit exceeded, changes collapsed.