Add opengl assembly stub for riscv64 (fd223141) · Commits · e / os / platform_frameworks_native

opengl/libs/EGL/getProcAddress.cpp

+20 −63

Original line number	Diff line number	Diff line
		@@ -118,69 +118,26 @@ namespace android {
		: "rax", "cc" \
		);

		#elif defined(__mips64)

		#elif defined(__riscv)
		#define API_ENTRY(_api) __attribute__((noinline)) _api

		#define CALL_GL_EXTENSION_API(_api, ...) \
		register unsigned int _t0 asm("$12"); \
		register unsigned int _fn asm("$25"); \
		register unsigned int _tls asm("$3"); \
		#define CALL_GL_EXTENSION_API(_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" \
		" nop\n\t" \
		"move %[fn], %[t0]\n\t" \
		"1:\n\t" \
		"jalr $0, %[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])) \
		"mv t0, tp\n" \
		"li t1, %[tls]\n" \
		"add t0, t0, t1\n" \
		"ld t0, 0(t0)\n" \
		"beqz t0, 1f\n" \
		"li t1, %[api]\n" \
		"add t0, t0, t1\n" \
		"ld t0, 0(t0)\n" \
		"jalr x0, t0\n" \
		"1: ret\n" \
		: \
		);

		#elif defined(__mips__)

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

		#define CALL_GL_EXTENSION_API(_api, ...) \
		register unsigned int _t0 asm("$8"); \
		register unsigned int _fn asm("$25"); \
		register unsigned int _tls asm("$3"); \
		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" \
		" nop\n\t" \
		"move %[fn], %[t0]\n\t" \
		"1:\n\t" \
		"jalr $0, %[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, \
		: [tls] "i" (TLS_SLOT_OPENGL_API * sizeof(void*)), \
		[api] "i" (__builtin_offsetof(gl_hooks_t, \
		ext.extensions[_api])) \
		: \
		: "t0", "t1" \
		);

		#endif

opengl/libs/GLES2/gl2.cpp

+30 −59

Original line number	Diff line number	Diff line
		@@ -191,73 +191,44 @@ using namespace android;
		: \
		);

		#elif defined(__mips64)
		#elif defined(__riscv)

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

		// 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 $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 $25, $12\n\t" \
		"1:\n\t" \
		"jalr $0, $25\n\t" \
		" move $2, $0\n\t" \
		".set pop\n\t" \
		"mv t0, tp\n" \
		"li t1, %[tls]\n" \
		"add t0, t0, t1\n" \
		"ld t0, 0(t0)\n" \
		"beqz t0, 1f\n" \
		"li t1, %[api]\n" \
		"add t0, t0, t1\n" \
		"ld t0, 0(t0)\n" \
		"jalr x0, t0\n" \
		"1:\n" \
		: \
		: [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" \
		: [tls] "i"(TLS_SLOT_OPENGL_APIsizeof(void )), \
		[api] "i"(__builtin_offsetof(gl_hooks_t, gl._api)) \
		: "t0", "t1", "t2", "a0", "a1", "a2", "a3", "a4", \
		"a5", "t6", "t3", "t4", "t5", "t6" \
		);

		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE
		#define CALL_GL_API_INTERNAL_DO_RETURN

		#elif defined(__mips__)

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

		// t0: $8
		// fn: $25
		// tls: $3
		// v0: $2
		#define CALL_GL_API_INTERNAL_CALL(_api, ...) \
		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE \
		asm volatile( \
		".set push\n\t" \
		".set noreorder\n\t" \
		".set mips32r2\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 $25, $3\n\t" \
		"1:\n\t" \
		"jalr $0, $25\n\t" \
		" move $2, $0\n\t" \
		".set pop\n\t" \
		"li a0, 0\n" \
		: \
		: [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" \
		: \
		: "a0" \
		);

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

		#endif

opengl/libs/GLES_CM/gl.cpp

+30 −59

Original line number	Diff line number	Diff line
		@@ -247,73 +247,44 @@ GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type,
		: \
		);

		#elif defined(__mips64)
		#elif defined(__riscv)

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

		// 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 $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 $25, $12\n\t" \
		"1:\n\t" \
		"jalr $0, $25\n\t" \
		" move $2, $0\n\t" \
		".set pop\n\t" \
		"mv t0, tp\n" \
		"li t1, %[tls]\n" \
		"add t0, t0, t1\n" \
		"ld t0, 0(t0)\n" \
		"beqz t0, 1f\n" \
		"li t1, %[api]\n" \
		"add t0, t0, t1\n" \
		"ld t0, 0(t0)\n" \
		"jalr x0, t0\n" \
		"1:\n" \
		: \
		: [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" \
		: [tls] "i"(TLS_SLOT_OPENGL_APIsizeof(void )), \
		[api] "i"(__builtin_offsetof(gl_hooks_t, gl._api)) \
		: "t0", "t1", "t2", "a0", "a1", "a2", "a3", "a4", \
		"a5", "t6", "t3", "t4", "t5", "t6" \
		);

		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE
		#define CALL_GL_API_INTERNAL_DO_RETURN

		#elif defined(__mips__)

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

		// t0: $8
		// fn: $25
		// tls: $3
		// v0: $2
		#define CALL_GL_API_INTERNAL_CALL(_api, ...) \
		#define CALL_GL_API_INTERNAL_SET_RETURN_VALUE \
		asm volatile( \
		".set push\n\t" \
		".set noreorder\n\t" \
		".set mips32r2\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 $25, $3\n\t" \
		"1:\n\t" \
		"jalr $0, $25\n\t" \
		" move $2, $0\n\t" \
		".set pop\n\t" \
		"li a0, 0\n" \
		: \
		: [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" \
		: \
		: "a0" \
		);

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

		#endif