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less checks for 3D operations (when the function is to be called N 

times at least, N-1 checks unneeded)
This commit is contained in:
damdoum 2007-02-28 03:02:26 +00:00
parent d9abbaa6a5
commit a595eebb07
1 changed files with 2 additions and 14 deletions
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16
desmume/src/gl_vertex.c
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@ -135,26 +135,26 @@ void gl_MTX_show(u32 * m32) {
void gl_MTX_load(u32* m) { void gl_MTX_load(u32* m) {
int i; int i;
CHECK_3D_ATTEMPT
for (i=0;i<16;i++) for (i=0;i<16;i++)
mCurrent[i]=m[i]; mCurrent[i]=m[i];
gl_MTX_show(mCurrent); gl_MTX_show(mCurrent);
} }
void gl_MTX_mult(u32* m) { void gl_MTX_mult(u32* m) {
int i; int i;
CHECK_3D_ATTEMPT
for (i=0;i<16;i++) for (i=0;i<16;i++)
mCurrent[i] = (mCurrent[i]>>6)*(m[i]>>6); mCurrent[i] = (mCurrent[i]>>6)*(m[i]>>6);
gl_MTX_show(mCurrent); gl_MTX_show(mCurrent);
} }
void gl_MTX_IDENTITY () { void gl_MTX_IDENTITY () {
CHECK_3D_ATTEMPT
print(("MTX_IDENTITY\n")); print(("MTX_IDENTITY\n"));
gl_MTX_load(mUnit); gl_MTX_load(mUnit);
} }
void gl_MTX_LOAD_4x4 (u32 val) { void gl_MTX_LOAD_4x4 (u32 val) {
static int mtx_nbparams = 0; static int mtx_nbparams = 0;
CHECK_3D_ATTEMPT
switch(mtx_nbparams) { switch(mtx_nbparams) {
case 0: case 1: case 2: case 3: case 0: case 1: case 2: case 3:
case 4: case 5: case 6: case 7: case 4: case 5: case 6: case 7:
@ -175,7 +175,6 @@ CHECK_3D_ATTEMPT
} }
void gl_MTX_MULT_4x4 (u32 val) { void gl_MTX_MULT_4x4 (u32 val) {
static int mtx_nbparams = 0; static int mtx_nbparams = 0;
CHECK_3D_ATTEMPT
switch(mtx_nbparams) { switch(mtx_nbparams) {
case 0: case 1: case 2: case 3: case 0: case 1: case 2: case 3:
case 4: case 5: case 6: case 7: case 4: case 5: case 6: case 7:
@ -198,7 +197,6 @@ CHECK_3D_ATTEMPT
void gl_MTX_LOAD_4x3 (u32 val) { void gl_MTX_LOAD_4x3 (u32 val) {
static int mtx_nbparams = 0; static int mtx_nbparams = 0;
CHECK_3D_ATTEMPT
switch(mtx_nbparams) { switch(mtx_nbparams) {
case 3: case 7: case 11: case 3: case 7: case 11:
mtx_nbparams++; mtx_nbparams++;
@ -221,7 +219,6 @@ CHECK_3D_ATTEMPT
} }
void gl_MTX_MULT_4x3 (u32 val) { void gl_MTX_MULT_4x3 (u32 val) {
static int mtx_nbparams = 0; static int mtx_nbparams = 0;
CHECK_3D_ATTEMPT
switch(mtx_nbparams) { switch(mtx_nbparams) {
case 3: case 7: case 11: case 3: case 7: case 11:
mtx_nbparams++; mtx_nbparams++;
@ -245,7 +242,6 @@ CHECK_3D_ATTEMPT
void gl_MTX_LOAD_3x3 (u32 val) { void gl_MTX_LOAD_3x3 (u32 val) {
static int mtx_nbparams = 0; static int mtx_nbparams = 0;
CHECK_3D_ATTEMPT
switch(mtx_nbparams) { switch(mtx_nbparams) {
case 3: case 7: case 11: case 3: case 7: case 11:
mtx_nbparams++; mtx_nbparams++;
@ -267,7 +263,6 @@ CHECK_3D_ATTEMPT
} }
void gl_MTX_MULT_3x3 (u32 val) { void gl_MTX_MULT_3x3 (u32 val) {
static int mtx_nbparams = 0; static int mtx_nbparams = 0;
CHECK_3D_ATTEMPT
switch(mtx_nbparams) { switch(mtx_nbparams) {
case 3: case 7: case 11: case 3: case 7: case 11:
mtx_nbparams++; mtx_nbparams++;
@ -351,8 +346,6 @@ void gl_VTX_16 (u32 val) {
//see 400048Ch - Cmd 23h - VTX_16 - Set Vertex XYZ Coordinates (W) //see 400048Ch - Cmd 23h - VTX_16 - Set Vertex XYZ Coordinates (W)
_VTX_16 vval; _VTX_16 vval;
static int vtx_16_nbparams = 0; static int vtx_16_nbparams = 0;
CHECK_3D_ATTEMPT
vval.val = val; vval.val = val;
switch(vtx_16_nbparams) { switch(vtx_16_nbparams) {
case 0: case 0:
@ -373,7 +366,6 @@ CHECK_3D_ATTEMPT
void gl_VTX_10 (u32 xyz) { void gl_VTX_10 (u32 xyz) {
//see 4000490h - Cmd 24h - VTX_10 - Set Vertex XYZ Coordinates (W) //see 4000490h - Cmd 24h - VTX_10 - Set Vertex XYZ Coordinates (W)
_VTX_10 vt; _VTX_10 vt;
CHECK_3D_ATTEMPT
vt.val = xyz; vt.val = xyz;
vx = VTX10_to_s16(vt.bits.low); vx = VTX10_to_s16(vt.bits.low);
vy = VTX10_to_s16(vt.bits.mid); vy = VTX10_to_s16(vt.bits.mid);
@ -385,7 +377,6 @@ CHECK_3D_ATTEMPT
void gl_VTX_XY (u32 xy) { void gl_VTX_XY (u32 xy) {
//see 4000494h - Cmd 25h - VTX_XY - Set Vertex XY Coordinates (W) //see 4000494h - Cmd 25h - VTX_XY - Set Vertex XY Coordinates (W)
_VTX_16 vt; _VTX_16 vt;
CHECK_3D_ATTEMPT
vt.val = xy; vt.val = xy;
vx = VTX16_to_s16(vt.bits.low); vx = VTX16_to_s16(vt.bits.low);
vy = VTX16_to_s16(vt.bits.high); vy = VTX16_to_s16(vt.bits.high);
@ -394,7 +385,6 @@ CHECK_3D_ATTEMPT
void gl_VTX_XZ (u32 xz) { void gl_VTX_XZ (u32 xz) {
//see 4000498h - Cmd 26h - VTX_XZ - Set Vertex XZ Coordinates (W) //see 4000498h - Cmd 26h - VTX_XZ - Set Vertex XZ Coordinates (W)
_VTX_16 vt; _VTX_16 vt;
CHECK_3D_ATTEMPT
vt.val = xz; vt.val = xz;
vx = VTX16_to_s16(vt.bits.low); vx = VTX16_to_s16(vt.bits.low);
vz = VTX16_to_s16(vt.bits.high); vz = VTX16_to_s16(vt.bits.high);
@ -403,7 +393,6 @@ CHECK_3D_ATTEMPT
void gl_VTX_YZ (u32 yz) { void gl_VTX_YZ (u32 yz) {
//see 400049Ch - Cmd 27h - VTX_YZ - Set Vertex YZ Coordinates (W) //see 400049Ch - Cmd 27h - VTX_YZ - Set Vertex YZ Coordinates (W)
_VTX_16 vt; _VTX_16 vt;
CHECK_3D_ATTEMPT
vt.val = yz; vt.val = yz;
vy = VTX16_to_s16(vt.bits.low); vy = VTX16_to_s16(vt.bits.low);
vz = VTX16_to_s16(vt.bits.high); vz = VTX16_to_s16(vt.bits.high);
@ -414,7 +403,6 @@ CHECK_3D_ATTEMPT
void gl_VTX_DIFF (u32 diff) { void gl_VTX_DIFF (u32 diff) {
//see 40004A0h - Cmd 28h - VTX_DIFF - Set Relative Vertex Coordinates (W) //see 40004A0h - Cmd 28h - VTX_DIFF - Set Relative Vertex Coordinates (W)
_VTX_10 vt; _VTX_10 vt;
CHECK_3D_ATTEMPT
vt.val = diff; vt.val = diff;
vx += VTXDIFF_to_s16(vt.bits.low); vx += VTXDIFF_to_s16(vt.bits.low);
vy += VTXDIFF_to_s16(vt.bits.mid); vy += VTXDIFF_to_s16(vt.bits.mid);