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authorBrian <[email protected]>2006-12-13 14:48:36 -0700
committerBrian <[email protected]>2006-12-13 14:48:36 -0700
commitaff8e204d205b5d424d2c39a5d9e004caaa1eab1 (patch)
tree91d06d422f8900af461233186bcc79351c3025f6 /src/mesa/shader/slang/slang_execute.c
parent5b35132b41427798e02a66a8e39583fffbe9d232 (diff)
Checkpoint new GLSL compiler back-end to produce fp/vp-style assembly instructions.
Diffstat (limited to 'src/mesa/shader/slang/slang_execute.c')
-rw-r--r--src/mesa/shader/slang/slang_execute.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_execute.c b/src/mesa/shader/slang/slang_execute.c
index e469de02075..09401b8910a 100644
--- a/src/mesa/shader/slang/slang_execute.c
+++ b/src/mesa/shader/slang/slang_execute.c
@@ -392,12 +392,16 @@ _slang_execute2(const slang_assembly_file * file, slang_machine * mach)
case slang_asm_int_copy:
case slang_asm_bool_copy:
/* store top value on stack to memory */
+#if 0
{
GLuint address
= (stack[mach->sp + a->param[0] / 4]._addr + a->param[1]) / 4;
GLfloat value = stack[mach->sp]._float;
mach->mem[address]._float = value;
}
+#else
+ mach->mem[(stack[mach->sp + a->param[0] / 4]._addr +a->param[1]) / 4]._float = stack[mach->sp]._float;
+#endif
mach->sp++;
break;
case slang_asm_float_move:
@@ -425,6 +429,10 @@ _slang_execute2(const slang_assembly_file * file, slang_machine * mach)
stack[mach->sp + 1]._float += stack[mach->sp]._float;
mach->sp++;
break;
+ case slang_asm_float_subtract:
+ stack[mach->sp + 1]._float -= stack[mach->sp]._float;
+ mach->sp++;
+ break;
case slang_asm_float_multiply:
stack[mach->sp + 1]._float *= stack[mach->sp]._float;
mach->sp++;
@@ -476,12 +484,14 @@ _slang_execute2(const slang_assembly_file * file, slang_machine * mach)
case slang_asm_float_log2:
stack[mach->sp]._float = LOG2(stack[mach->sp]._float);
break;
+#if 0
case slang_asm_float_floor:
stack[mach->sp]._float = FLOORF(stack[mach->sp]._float);
break;
case slang_asm_float_ceil:
stack[mach->sp]._float = CEILF(stack[mach->sp]._float);
break;
+#endif
case slang_asm_float_noise1:
stack[mach->sp]._float =
_slang_library_noise1(stack[mach->sp]._float);
@@ -718,6 +728,7 @@ _slang_execute2(const slang_assembly_file * file, slang_machine * mach)
-mach->mem[(da + 12) / 4]._float;
}
break;
+#if 0
case slang_asm_vec4_dot:
/* [vec4] | vec4 > [float] */
{
@@ -730,6 +741,7 @@ _slang_execute2(const slang_assembly_file * file, slang_machine * mach)
mach->sp += 4;
}
break;
+#endif
case slang_asm_vec4_copy:
/* [vec4] | vec4 > [vec4] */
{
@@ -768,6 +780,19 @@ _slang_execute2(const slang_assembly_file * file, slang_machine * mach)
}
}
break;
+ case slang_asm_vec4_dot:
+ case slang_asm_vec3_dot:
+ {
+ /* XXX almost certainly wrong */
+ GLuint da = stack[mach->sp + 4]._addr;
+ mach->mem[da / 4]._float =
+ mach->mem[da / 4]._float * stack[mach->sp]._float +
+ mach->mem[(da + 4) / 4]._float * stack[mach->sp + 1]._float +
+ mach->mem[(da + 8) / 4]._float * stack[mach->sp + 2]._float +
+ mach->mem[(da + 12) / 4]._float * stack[mach->sp + 3]._float;
+ mach->sp += 4;
+ }
+ break;
default:
_mesa_problem(NULL, "bad slang opcode 0x%x", a->type);
return GL_FALSE;