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Diffstat (limited to 'xc/extras/Mesa/src/linetemp.h')
-rw-r--r--xc/extras/Mesa/src/linetemp.h159
1 files changed, 79 insertions, 80 deletions
diff --git a/xc/extras/Mesa/src/linetemp.h b/xc/extras/Mesa/src/linetemp.h
index 37313545d..9d74f33c5 100644
--- a/xc/extras/Mesa/src/linetemp.h
+++ b/xc/extras/Mesa/src/linetemp.h
@@ -1,4 +1,3 @@
-/* $Id: linetemp.h,v 1.1.1.1 2000/01/06 13:26:56 faith Exp $ */
/*
* Mesa 3-D graphics library
@@ -23,7 +22,7 @@
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-
+/* $XFree86: xc/extras/Mesa/src/linetemp.h,v 1.7 2000/02/18 12:18:44 tsi Exp $ */
/*
* Line Rasterizer Template
@@ -81,14 +80,14 @@
GLint y0 = (GLint) VB->Win.data[vert0][1];
GLint y1 = (GLint) VB->Win.data[vert1][1];
GLint dx, dy;
-#if INTERP_XY
+#ifdef INTERP_XY
GLint xstep, ystep;
#endif
-#if INTERP_Z
+#ifdef INTERP_Z
GLint z0, z1, dz, zPtrXstep, zPtrYstep;
GLdepth *zPtr;
#endif
-#if INTERP_RGB
+#ifdef INTERP_RGB
GLfixed r0 = IntToFixed(VB->ColorPtr->data[vert0][0]);
GLfixed dr = IntToFixed(VB->ColorPtr->data[vert1][0]) - r0;
GLfixed g0 = IntToFixed(VB->ColorPtr->data[vert0][1]);
@@ -96,7 +95,7 @@
GLfixed b0 = IntToFixed(VB->ColorPtr->data[vert0][2]);
GLfixed db = IntToFixed(VB->ColorPtr->data[vert1][2]) - b0;
#endif
-#if INTERP_SPEC
+#ifdef INTERP_SPEC
GLfixed sr0 = VB->Specular ? IntToFixed(VB->Specular[vert0][0]) : 0;
GLfixed dsr = VB->Specular ? IntToFixed(VB->Specular[vert1][0]) - sr0 : 0;
GLfixed sg0 = VB->Specular ? IntToFixed(VB->Specular[vert0][1]) : 0;
@@ -104,25 +103,25 @@
GLfixed sb0 = VB->Specular ? IntToFixed(VB->Specular[vert0][2]) : 0;
GLfixed dsb = VB->Specular ? IntToFixed(VB->Specular[vert1][2]) - sb0 : 0;
#endif
-#if INTERP_ALPHA
+#ifdef INTERP_ALPHA
GLfixed a0 = IntToFixed(VB->ColorPtr->data[vert0][3]);
GLfixed da = IntToFixed(VB->ColorPtr->data[vert1][3]) - a0;
#endif
-#if INTERP_INDEX
+#ifdef INTERP_INDEX
GLint i0 = VB->IndexPtr->data[vert0] << 8;
GLint di = (GLint) (VB->IndexPtr->data[vert1] << 8)-i0;
#endif
-#if INTERP_ST
+#ifdef INTERP_ST
GLfixed s0 = FloatToFixed(VB->TexCoord[vert0][0] * S_SCALE);
GLfixed ds = FloatToFixed(VB->TexCoord[vert1][0] * S_SCALE) - s0;
GLfixed t0 = FloatToFixed(VB->TexCoord[vert0][1] * T_SCALE);
GLfixed dt = FloatToFixed(VB->TexCoord[vert1][1] * T_SCALE) - t0;
#endif
-#if INTERP_STUV0 || INTERP_STUV1
+#if defined(INTERP_STUV0) || defined(INTERP_STUV1)
GLfloat invw0 = VB->Win.data[vert0][3];
GLfloat invw1 = VB->Win.data[vert1][3];
#endif
-#if INTERP_STUV0
+#ifdef INTERP_STUV0
/* h denotes hyperbolic */
GLfloat hs0 = invw0 * VB->TexCoordPtr[0]->data[vert0][0];
GLfloat dhs = invw1 * VB->TexCoordPtr[0]->data[vert1][0] - hs0;
@@ -131,7 +130,7 @@
GLfloat hu0 = 0, dhu = 0;
GLfloat hv0 = invw0, dhv = invw1 - invw0;
#endif
-#if INTERP_STUV1
+#ifdef INTERP_STUV1
GLfloat hs01 = invw0 * VB->TexCoordPtr[1]->data[vert0][0];
GLfloat dhs1 = invw1 * VB->TexCoordPtr[1]->data[vert1][0] - hs01;
GLfloat ht01 = invw0 * VB->TexCoordPtr[1]->data[vert0][1];
@@ -143,14 +142,14 @@
PIXEL_TYPE *pixelPtr;
GLint pixelXstep, pixelYstep;
#endif
-#if WIDE
+#ifdef WIDE
/* for wide lines, draw all X in [x+min, x+max] or Y in [y+min, y+max] */
GLint width, min, max;
width = (GLint) CLAMP( ctx->Line.Width, MIN_LINE_WIDTH, MAX_LINE_WIDTH );
min = (width-1) / -2;
max = min + width - 1;
#endif
-#if INTERP_STUV0
+#ifdef INTERP_STUV0
if (VB->TexCoordPtr[0]->size > 2) {
hu0 = invw0 * VB->TexCoordPtr[0]->data[vert0][2];
dhu = invw1 * VB->TexCoordPtr[0]->data[vert1][2] - hu0;
@@ -160,7 +159,7 @@
}
}
#endif
-#if INTERP_STUV1
+#ifdef INTERP_STUV1
if (VB->TexCoordPtr[1]->size > 2) {
hu01 = invw0 * VB->TexCoordPtr[1]->data[vert0][2];
dhu1 = invw1 * VB->TexCoordPtr[1]->data[vert1][2] - hu01;
@@ -178,10 +177,10 @@
* This quick and dirty code nudges the endpoints inside the window if
* necessary.
*/
-#if CLIP_HACK
+#ifdef CLIP_HACK
{
- GLint w = ctx->Buffer->Width;
- GLint h = ctx->Buffer->Height;
+ GLint w = ctx->DrawBuffer->Width;
+ GLint h = ctx->DrawBuffer->Height;
if ((x0==w) | (x1==w)) {
if ((x0==w) & (x1==w))
return;
@@ -209,7 +208,7 @@
SETUP_CODE
#endif
-#if INTERP_Z
+#ifdef INTERP_Z
zPtr = Z_ADDRESS(ctx,x0,y0);
# if DEPTH_BITS==16
z0 = FloatToFixed(VB->Win.data[vert0][2]);
@@ -225,7 +224,7 @@
if (dx<0) {
dx = -dx; /* make positive */
-#if INTERP_XY
+#ifdef INTERP_XY
xstep = -1;
#endif
#ifdef INTERP_Z
@@ -236,10 +235,10 @@
#endif
}
else {
-#if INTERP_XY
+#ifdef INTERP_XY
xstep = 1;
#endif
-#if INTERP_Z
+#ifdef INTERP_Z
zPtrXstep = ((GLint)sizeof(GLdepth));
#endif
#ifdef PIXEL_ADDRESS
@@ -249,22 +248,22 @@
if (dy<0) {
dy = -dy; /* make positive */
-#if INTERP_XY
+#ifdef INTERP_XY
ystep = -1;
#endif
-#if INTERP_Z
- zPtrYstep = -ctx->Buffer->Width * ((GLint)sizeof(GLdepth));
+#ifdef INTERP_Z
+ zPtrYstep = -ctx->DrawBuffer->Width * ((GLint)sizeof(GLdepth));
#endif
#ifdef PIXEL_ADDRESS
pixelYstep = BYTES_PER_ROW;
#endif
}
else {
-#if INTERP_XY
+#ifdef INTERP_XY
ystep = 1;
#endif
-#if INTERP_Z
- zPtrYstep = ctx->Buffer->Width * ((GLint)sizeof(GLdepth));
+#ifdef INTERP_Z
+ zPtrYstep = ctx->DrawBuffer->Width * ((GLint)sizeof(GLdepth));
#endif
#ifdef PIXEL_ADDRESS
pixelYstep = -(BYTES_PER_ROW);
@@ -281,30 +280,30 @@
GLint errorInc = dy+dy;
GLint error = errorInc-dx;
GLint errorDec = error-dx;
-#if INTERP_Z
+#ifdef INTERP_Z
dz = (z1-z0) / dx;
#endif
-#if INTERP_RGB
+#ifdef INTERP_RGB
dr /= dx; /* convert from whole line delta to per-pixel delta */
dg /= dx;
db /= dx;
#endif
-#if INTERP_SPEC
+#ifdef INTERP_SPEC
dsr /= dx; /* convert from whole line delta to per-pixel delta */
dsg /= dx;
dsb /= dx;
#endif
-#if INTERP_ALPHA
+#ifdef INTERP_ALPHA
da /= dx;
#endif
-#if INTERP_INDEX
+#ifdef INTERP_INDEX
di /= dx;
#endif
-#if INTERP_ST
+#ifdef INTERP_ST
ds /= dx;
dt /= dx;
#endif
-#if INTERP_STUV0
+#ifdef INTERP_STUV0
{
GLfloat invDx = 1.0F / (GLfloat) dx;
dhs *= invDx;
@@ -313,7 +312,7 @@
dhv *= invDx;
}
#endif
-#if INTERP_STUV1
+#ifdef INTERP_STUV1
{
GLfloat invDx = 1.0F / (GLfloat) dx;
dhs1 *= invDx;
@@ -323,34 +322,34 @@
}
#endif
for (i=0;i<dx;i++) {
-#if STIPPLE
+#ifdef STIPPLE
GLushort m;
m = 1 << ((ctx->StippleCounter/ctx->Line.StippleFactor) & 0xf);
if (ctx->Line.StipplePattern & m) {
#endif
-#if INTERP_Z
+#ifdef INTERP_Z
# if DEPTH_BITS==16
GLdepth Z = FixedToInt(z0);
# else
GLdepth Z = z0;
# endif
#endif
-#if INTERP_INDEX
+#ifdef INTERP_INDEX
GLint I = i0 >> 8;
#endif
-#if INTERP_STUV0
+#ifdef INTERP_STUV0
GLfloat invQ = 1.0F / hv0;
GLfloat s = hs0 * invQ;
GLfloat t = ht0 * invQ;
GLfloat u = hu0 * invQ;
#endif
-#if INTERP_STUV1
+#ifdef INTERP_STUV1
GLfloat invQ1 = 1.0F / hv01;
GLfloat s1 = hs01 * invQ1;
GLfloat t1 = ht01 * invQ1;
GLfloat u1 = hu01 * invQ1;
#endif
-#if WIDE
+#ifdef WIDE
GLint yy;
GLint ymin = y0 + min;
GLint ymax = y0 + max;
@@ -364,44 +363,44 @@
PLOT( x0, y0 );
# endif
#endif /*WIDE*/
-#if STIPPLE
+#ifdef STIPPLE
}
ctx->StippleCounter++;
#endif
-#if INTERP_XY
+#ifdef INTERP_XY
x0 += xstep;
#endif
-#if INTERP_Z
+#ifdef INTERP_Z
zPtr = (GLdepth *) ((GLubyte*) zPtr + zPtrXstep);
z0 += dz;
#endif
-#if INTERP_RGB
+#ifdef INTERP_RGB
r0 += dr;
g0 += dg;
b0 += db;
#endif
-#if INTERP_SPEC
+#ifdef INTERP_SPEC
sr0 += dsr;
sg0 += dsg;
sb0 += dsb;
#endif
-#if INTERP_ALPHA
+#ifdef INTERP_ALPHA
a0 += da;
#endif
-#if INTERP_INDEX
+#ifdef INTERP_INDEX
i0 += di;
#endif
-#if INTERP_ST
+#ifdef INTERP_ST
s0 += ds;
t0 += dt;
#endif
-#if INTERP_STUV0
+#ifdef INTERP_STUV0
hs0 += dhs;
ht0 += dht;
hu0 += dhu;
hv0 += dhv;
#endif
-#if INTERP_STUV1
+#ifdef INTERP_STUV1
hs01 += dhs1;
ht01 += dht1;
hu01 += dhu1;
@@ -415,10 +414,10 @@
}
else {
error += errorDec;
-#if INTERP_XY
+#ifdef INTERP_XY
y0 += ystep;
#endif
-#if INTERP_Z
+#ifdef INTERP_Z
zPtr = (GLdepth *) ((GLubyte*) zPtr + zPtrYstep);
#endif
#ifdef PIXEL_ADDRESS
@@ -433,30 +432,30 @@
GLint errorInc = dx+dx;
GLint error = errorInc-dy;
GLint errorDec = error-dy;
-#if INTERP_Z
+#ifdef INTERP_Z
dz = (z1-z0) / dy;
#endif
-#if INTERP_RGB
+#ifdef INTERP_RGB
dr /= dy; /* convert from whole line delta to per-pixel delta */
dg /= dy;
db /= dy;
#endif
-#if INTERP_SPEC
+#ifdef INTERP_SPEC
dsr /= dy; /* convert from whole line delta to per-pixel delta */
dsg /= dy;
dsb /= dy;
#endif
-#if INTERP_ALPHA
+#ifdef INTERP_ALPHA
da /= dy;
#endif
-#if INTERP_INDEX
+#ifdef INTERP_INDEX
di /= dy;
#endif
-#if INTERP_ST
+#ifdef INTERP_ST
ds /= dy;
dt /= dy;
#endif
-#if INTERP_STUV0
+#ifdef INTERP_STUV0
{
GLfloat invDy = 1.0F / (GLfloat) dy;
dhs *= invDy;
@@ -465,7 +464,7 @@
dhv *= invDy;
}
#endif
-#if INTERP_STUV1
+#ifdef INTERP_STUV1
{
GLfloat invDy = 1.0F / (GLfloat) dy;
dhs1 *= invDy;
@@ -475,34 +474,34 @@
}
#endif
for (i=0;i<dy;i++) {
-#if STIPPLE
+#ifdef STIPPLE
GLushort m;
m = 1 << ((ctx->StippleCounter/ctx->Line.StippleFactor) & 0xf);
if (ctx->Line.StipplePattern & m) {
#endif
-#if INTERP_Z
+#ifdef INTERP_Z
# if DEPTH_BITS==16
GLdepth Z = FixedToInt(z0);
# else
GLdepth Z = z0;
# endif
#endif
-#if INTERP_INDEX
+#ifdef INTERP_INDEX
GLint I = i0 >> 8;
#endif
-#if INTERP_STUV0
+#ifdef INTERP_STUV0
GLfloat invQ = 1.0F / hv0;
GLfloat s = hs0 * invQ;
GLfloat t = ht0 * invQ;
GLfloat u = hu0 * invQ;
#endif
-#if INTERP_STUV1
+#ifdef INTERP_STUV1
GLfloat invQ1 = 1.0F / hv01;
GLfloat s1 = hs01 * invQ1;
GLfloat t1 = ht01 * invQ1;
GLfloat u1 = hu01 * invQ1;
#endif
-#if WIDE
+#ifdef WIDE
GLint xx;
GLint xmin = x0 + min;
GLint xmax = x0 + max;
@@ -516,44 +515,44 @@
PLOT( x0, y0 );
# endif
#endif /*WIDE*/
-#if STIPPLE
+#ifdef STIPPLE
}
ctx->StippleCounter++;
#endif
-#if INTERP_XY
+#ifdef INTERP_XY
y0 += ystep;
#endif
-#if INTERP_Z
+#ifdef INTERP_Z
zPtr = (GLdepth *) ((GLubyte*) zPtr + zPtrYstep);
z0 += dz;
#endif
-#if INTERP_RGB
+#ifdef INTERP_RGB
r0 += dr;
g0 += dg;
b0 += db;
#endif
-#if INTERP_SPEC
+#ifdef INTERP_SPEC
sr0 += dsr;
sg0 += dsg;
sb0 += dsb;
#endif
-#if INTERP_ALPHA
+#ifdef INTERP_ALPHA
a0 += da;
#endif
-#if INTERP_INDEX
+#ifdef INTERP_INDEX
i0 += di;
#endif
-#if INTERP_ST
+#ifdef INTERP_ST
s0 += ds;
t0 += dt;
#endif
-#if INTERP_STUV0
+#ifdef INTERP_STUV0
hs0 += dhs;
ht0 += dht;
hu0 += dhu;
hv0 += dhv;
#endif
-#if INTERP_STUV1
+#ifdef INTERP_STUV1
hs01 += dhs1;
ht01 += dht1;
hu01 += dhu1;
@@ -567,10 +566,10 @@
}
else {
error += errorDec;
-#if INTERP_XY
+#ifdef INTERP_XY
x0 += xstep;
#endif
-#if INTERP_Z
+#ifdef INTERP_Z
zPtr = (GLdepth *) ((GLubyte*) zPtr + zPtrXstep);
#endif
#ifdef PIXEL_ADDRESS
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 10:19:38 +0000