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authorBrian Paul <brian.paul@tungstengraphics.com>2008-11-06 17:14:33 -0700
committerBrian Paul <brian.paul@tungstengraphics.com>2008-11-06 17:14:33 -0700
commit035c0cf71a5fe3beee55654e1f7148adfe626cc0 (patch)
tree11ec1f5164f02a8323875b7aa53b74f953229d11
parent517401af07ea17a7e88659e6ba95a0628ff826b3 (diff)
mesa: rename OPCODE_INT -> OPCODE_TRUNC
Trunc is a more accurate description; there's no type conversion involved.
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_glsl.c8
-rw-r--r--src/mesa/shader/prog_execute.c22
-rw-r--r--src/mesa/shader/prog_instruction.c2
-rw-r--r--src/mesa/shader/prog_instruction.h5
-rw-r--r--src/mesa/shader/slang/slang_ir.c2
5 files changed, 21 insertions, 18 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 2da3bf3d09..cb728190f5 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -16,7 +16,7 @@ GLboolean brw_wm_is_glsl(const struct gl_fragment_program *fp)
struct prog_instruction *inst = &fp->Base.Instructions[i];
switch (inst->Opcode) {
case OPCODE_IF:
- case OPCODE_INT:
+ case OPCODE_TRUNC:
case OPCODE_ENDIF:
case OPCODE_CAL:
case OPCODE_BRK:
@@ -255,7 +255,7 @@ static void emit_abs( struct brw_wm_compile *c,
brw_set_saturate(p, 0);
}
-static void emit_int( struct brw_wm_compile *c,
+static void emit_trunc( struct brw_wm_compile *c,
struct prog_instruction *inst)
{
int i;
@@ -1912,8 +1912,8 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
case OPCODE_LRP:
emit_lrp(c, inst);
break;
- case OPCODE_INT:
- emit_int(c, inst);
+ case OPCODE_TRUNC:
+ emit_trunc(c, inst);
break;
case OPCODE_MOV:
emit_mov(c, inst);
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index 32b6ff4fd4..d843761723 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -789,17 +789,6 @@ _mesa_execute_program(GLcontext * ctx,
case OPCODE_ENDIF:
/* nothing */
break;
- case OPCODE_INT: /* float to int */
- {
- GLfloat a[4], result[4];
- fetch_vector4(&inst->SrcReg[0], machine, a);
- result[0] = (GLfloat) (GLint) a[0];
- result[1] = (GLfloat) (GLint) a[1];
- result[2] = (GLfloat) (GLint) a[2];
- result[3] = (GLfloat) (GLint) a[3];
- store_vector4(inst, machine, result);
- }
- break;
case OPCODE_KIL_NV: /* NV_f_p only (conditional) */
if (eval_condition(machine, inst)) {
return GL_FALSE;
@@ -1425,6 +1414,17 @@ _mesa_execute_program(GLcontext * ctx,
store_vector4(inst, machine, color);
}
break;
+ case OPCODE_TRUNC: /* truncate toward zero */
+ {
+ GLfloat a[4], result[4];
+ fetch_vector4(&inst->SrcReg[0], machine, a);
+ result[0] = (GLfloat) (GLint) a[0];
+ result[1] = (GLfloat) (GLint) a[1];
+ result[2] = (GLfloat) (GLint) a[2];
+ result[3] = (GLfloat) (GLint) a[3];
+ store_vector4(inst, machine, result);
+ }
+ break;
case OPCODE_UP2H: /* unpack two 16-bit floats */
{
GLfloat a[4], result[4];
diff --git a/src/mesa/shader/prog_instruction.c b/src/mesa/shader/prog_instruction.c
index 1033496d97..7e340ce454 100644
--- a/src/mesa/shader/prog_instruction.c
+++ b/src/mesa/shader/prog_instruction.c
@@ -182,7 +182,6 @@ static const struct instruction_info InstInfo[MAX_OPCODE] = {
{ OPCODE_FLR, "FLR", 1, 1 },
{ OPCODE_FRC, "FRC", 1, 1 },
{ OPCODE_IF, "IF", 1, 0 },
- { OPCODE_INT, "INT", 1, 1 },
{ OPCODE_KIL, "KIL", 1, 0 },
{ OPCODE_KIL_NV, "KIL", 0, 0 },
{ OPCODE_LG2, "LG2", 1, 1 },
@@ -230,6 +229,7 @@ static const struct instruction_info InstInfo[MAX_OPCODE] = {
{ OPCODE_TXL, "TXL", 1, 1 },
{ OPCODE_TXP, "TXP", 1, 1 },
{ OPCODE_TXP_NV, "TXP", 1, 1 },
+ { OPCODE_TRUNC, "TRUNC", 1, 1 },
{ OPCODE_UP2H, "UP2H", 1, 1 },
{ OPCODE_UP2US, "UP2US", 1, 1 },
{ OPCODE_UP4B, "UP4B", 1, 1 },
diff --git a/src/mesa/shader/prog_instruction.h b/src/mesa/shader/prog_instruction.h
index aca768376a..16701e4ec9 100644
--- a/src/mesa/shader/prog_instruction.h
+++ b/src/mesa/shader/prog_instruction.h
@@ -173,7 +173,6 @@ typedef enum prog_opcode {
OPCODE_FLR, /* X X 2 X X */
OPCODE_FRC, /* X X 2 X X */
OPCODE_IF, /* opt */
- OPCODE_INT, /* X */
OPCODE_KIL, /* X */
OPCODE_KIL_NV, /* X X */
OPCODE_LG2, /* X X 2 X X */
@@ -221,6 +220,7 @@ typedef enum prog_opcode {
OPCODE_TXL, /* 3 2 X */
OPCODE_TXP, /* X X */
OPCODE_TXP_NV, /* 3 X */
+ OPCODE_TRUNC, /* X */
OPCODE_UP2H, /* X */
OPCODE_UP2US, /* X */
OPCODE_UP4B, /* X */
@@ -231,6 +231,9 @@ typedef enum prog_opcode {
} gl_inst_opcode;
+/* temporary, just in case, remove soon */
+#define OPCODE_INT OPCODE_TRUNC
+
/**
* Instruction source register.
*/
diff --git a/src/mesa/shader/slang/slang_ir.c b/src/mesa/shader/slang/slang_ir.c
index 3a0b8bf3a0..20498e8c66 100644
--- a/src/mesa/shader/slang/slang_ir.c
+++ b/src/mesa/shader/slang/slang_ir.c
@@ -56,7 +56,7 @@ static const slang_ir_info IrInfo[] = {
/* unary ops */
{ IR_MOVE, "IR_MOVE", OPCODE_MOV, 4, 1 },
{ IR_I_TO_F, "IR_I_TO_F", OPCODE_MOV, 4, 1 }, /* int[4] to float[4] */
- { IR_F_TO_I, "IR_F_TO_I", OPCODE_INT, 4, 1 }, /* 4 floats to 4 ints */
+ { IR_F_TO_I, "IR_F_TO_I", OPCODE_TRUNC, 4, 1 },
{ IR_EXP, "IR_EXP", OPCODE_EXP, 1, 1 },
{ IR_EXP2, "IR_EXP2", OPCODE_EX2, 1, 1 },
{ IR_LOG2, "IR_LOG2", OPCODE_LG2, 1, 1 },