KonstantinSeurer
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mesa: use the IROUND() macro in pixel packing code 

It turns out some tests are sensitive to rounding vs. truncating when
converting float color values to integers in glReadPixels().  In particular,
this matters when the destination format is 5/6/5 or 4/4/4/4, etc.
This commit is contained in:
Brian Paul 2009-03-18 15:39:11 -06:00
parent cac1ce09ac
commit a577471c54
1 changed files with 108 additions and 108 deletions
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216
src/mesa/main/image.c
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@ -2378,9 +2378,9 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGB) { if (dstFormat == GL_RGB) {
GLubyte *dst = (GLubyte *) dstAddr; GLubyte *dst = (GLubyte *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) << 5) dst[i] = (IROUND(rgba[i][RCOMP] * 7.0F) << 5)
| (((GLint) (rgba[i][GCOMP] * 7.0F)) << 2) | (IROUND(rgba[i][GCOMP] * 7.0F) << 2)
| (((GLint) (rgba[i][BCOMP] * 3.0F)) ); | (IROUND(rgba[i][BCOMP] * 3.0F) );
} }
} }
break; break;
@ -2388,9 +2388,9 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGB) { if (dstFormat == GL_RGB) {
GLubyte *dst = (GLubyte *) dstAddr; GLubyte *dst = (GLubyte *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) ) dst[i] = (IROUND(rgba[i][RCOMP] * 7.0F) )
| (((GLint) (rgba[i][GCOMP] * 7.0F)) << 3) | (IROUND(rgba[i][GCOMP] * 7.0F) << 3)
| (((GLint) (rgba[i][BCOMP] * 3.0F)) << 6); | (IROUND(rgba[i][BCOMP] * 3.0F) << 6);
} }
} }
break; break;
@ -2398,9 +2398,9 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGB) { if (dstFormat == GL_RGB) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) << 11)
| (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) | (IROUND(rgba[i][GCOMP] * 63.0F) << 5)
| (((GLint) (rgba[i][BCOMP] * 31.0F)) ); | (IROUND(rgba[i][BCOMP] * 31.0F) );
} }
} }
break; break;
@ -2408,9 +2408,9 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGB) { if (dstFormat == GL_RGB) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) )
| (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) | (IROUND(rgba[i][GCOMP] * 63.0F) << 5)
| (((GLint) (rgba[i][BCOMP] * 31.0F)) << 11); | (IROUND(rgba[i][BCOMP] * 31.0F) << 11);
} }
} }
break; break;
@ -2418,28 +2418,28 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGBA) { if (dstFormat == GL_RGBA) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) << 12) dst[i] = (IROUND(rgba[i][RCOMP] * 15.0F) << 12)
| (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) | (IROUND(rgba[i][GCOMP] * 15.0F) << 8)
| (((GLint) (rgba[i][BCOMP] * 15.0F)) << 4) | (IROUND(rgba[i][BCOMP] * 15.0F) << 4)
| (((GLint) (rgba[i][ACOMP] * 15.0F)) ); | (IROUND(rgba[i][ACOMP] * 15.0F) );
} }
} }
else if (dstFormat == GL_BGRA) { else if (dstFormat == GL_BGRA) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][BCOMP] * 15.0F)) << 12) dst[i] = (IROUND(rgba[i][BCOMP] * 15.0F) << 12)
| (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) | (IROUND(rgba[i][GCOMP] * 15.0F) << 8)
| (((GLint) (rgba[i][RCOMP] * 15.0F)) << 4) | (IROUND(rgba[i][RCOMP] * 15.0F) << 4)
| (((GLint) (rgba[i][ACOMP] * 15.0F)) ); | (IROUND(rgba[i][ACOMP] * 15.0F) );
} }
} }
else if (dstFormat == GL_ABGR_EXT) { else if (dstFormat == GL_ABGR_EXT) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12) dst[i] = (IROUND(rgba[i][ACOMP] * 15.0F) << 12)
| (((GLint) (rgba[i][BCOMP] * 15.0F)) << 8) | (IROUND(rgba[i][BCOMP] * 15.0F) << 8)
| (((GLint) (rgba[i][GCOMP] * 15.0F)) << 4) | (IROUND(rgba[i][GCOMP] * 15.0F) << 4)
| (((GLint) (rgba[i][RCOMP] * 15.0F)) ); | (IROUND(rgba[i][RCOMP] * 15.0F) );
} }
} }
break; break;
@ -2447,28 +2447,28 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGBA) { if (dstFormat == GL_RGBA) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) ) dst[i] = (IROUND(rgba[i][RCOMP] * 15.0F) )
| (((GLint) (rgba[i][GCOMP] * 15.0F)) << 4) | (IROUND(rgba[i][GCOMP] * 15.0F) << 4)
| (((GLint) (rgba[i][BCOMP] * 15.0F)) << 8) | (IROUND(rgba[i][BCOMP] * 15.0F) << 8)
| (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12); | (IROUND(rgba[i][ACOMP] * 15.0F) << 12);
} }
} }
else if (dstFormat == GL_BGRA) { else if (dstFormat == GL_BGRA) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][BCOMP] * 15.0F)) ) dst[i] = (IROUND(rgba[i][BCOMP] * 15.0F) )
| (((GLint) (rgba[i][GCOMP] * 15.0F)) << 4) | (IROUND(rgba[i][GCOMP] * 15.0F) << 4)
| (((GLint) (rgba[i][RCOMP] * 15.0F)) << 8) | (IROUND(rgba[i][RCOMP] * 15.0F) << 8)
| (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12); | (IROUND(rgba[i][ACOMP] * 15.0F) << 12);
} }
} }
else if (dstFormat == GL_ABGR_EXT) { else if (dstFormat == GL_ABGR_EXT) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][ACOMP] * 15.0F)) ) dst[i] = (IROUND(rgba[i][ACOMP] * 15.0F) )
| (((GLint) (rgba[i][BCOMP] * 15.0F)) << 4) | (IROUND(rgba[i][BCOMP] * 15.0F) << 4)
| (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) | (IROUND(rgba[i][GCOMP] * 15.0F) << 8)
| (((GLint) (rgba[i][RCOMP] * 15.0F)) << 12); | (IROUND(rgba[i][RCOMP] * 15.0F) << 12);
} }
} }
break; break;
@ -2476,28 +2476,28 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGBA) { if (dstFormat == GL_RGBA) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) << 11)
| (((GLint) (rgba[i][GCOMP] * 31.0F)) << 6) | (IROUND(rgba[i][GCOMP] * 31.0F) << 6)
| (((GLint) (rgba[i][BCOMP] * 31.0F)) << 1) | (IROUND(rgba[i][BCOMP] * 31.0F) << 1)
| (((GLint) (rgba[i][ACOMP] * 1.0F)) ); | (IROUND(rgba[i][ACOMP] * 1.0F) );
} }
} }
else if (dstFormat == GL_BGRA) { else if (dstFormat == GL_BGRA) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][BCOMP] * 31.0F)) << 11) dst[i] = (IROUND(rgba[i][BCOMP] * 31.0F) << 11)
| (((GLint) (rgba[i][GCOMP] * 31.0F)) << 6) | (IROUND(rgba[i][GCOMP] * 31.0F) << 6)
| (((GLint) (rgba[i][RCOMP] * 31.0F)) << 1) | (IROUND(rgba[i][RCOMP] * 31.0F) << 1)
| (((GLint) (rgba[i][ACOMP] * 1.0F)) ); | (IROUND(rgba[i][ACOMP] * 1.0F) );
} }
} }
else if (dstFormat == GL_ABGR_EXT) { else if (dstFormat == GL_ABGR_EXT) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][ACOMP] * 31.0F)) << 11) dst[i] = (IROUND(rgba[i][ACOMP] * 31.0F) << 11)
| (((GLint) (rgba[i][BCOMP] * 31.0F)) << 6) | (IROUND(rgba[i][BCOMP] * 31.0F) << 6)
| (((GLint) (rgba[i][GCOMP] * 31.0F)) << 1) | (IROUND(rgba[i][GCOMP] * 31.0F) << 1)
| (((GLint) (rgba[i][RCOMP] * 1.0F)) ); | (IROUND(rgba[i][RCOMP] * 1.0F) );
} }
} }
break; break;
@ -2505,28 +2505,28 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGBA) { if (dstFormat == GL_RGBA) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) )
| (((GLint) (rgba[i][GCOMP] * 31.0F)) << 5) | (IROUND(rgba[i][GCOMP] * 31.0F) << 5)
| (((GLint) (rgba[i][BCOMP] * 31.0F)) << 10) | (IROUND(rgba[i][BCOMP] * 31.0F) << 10)
| (((GLint) (rgba[i][ACOMP] * 1.0F)) << 15); | (IROUND(rgba[i][ACOMP] * 1.0F) << 15);
} }
} }
else if (dstFormat == GL_BGRA) { else if (dstFormat == GL_BGRA) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][BCOMP] * 31.0F)) ) dst[i] = (IROUND(rgba[i][BCOMP] * 31.0F) )
| (((GLint) (rgba[i][GCOMP] * 31.0F)) << 5) | (IROUND(rgba[i][GCOMP] * 31.0F) << 5)
| (((GLint) (rgba[i][RCOMP] * 31.0F)) << 10) | (IROUND(rgba[i][RCOMP] * 31.0F) << 10)
| (((GLint) (rgba[i][ACOMP] * 1.0F)) << 15); | (IROUND(rgba[i][ACOMP] * 1.0F) << 15);
} }
} }
else if (dstFormat == GL_ABGR_EXT) { else if (dstFormat == GL_ABGR_EXT) {
GLushort *dst = (GLushort *) dstAddr; GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLint) (rgba[i][ACOMP] * 31.0F)) ) dst[i] = (IROUND(rgba[i][ACOMP] * 31.0F) )
| (((GLint) (rgba[i][BCOMP] * 31.0F)) << 5) | (IROUND(rgba[i][BCOMP] * 31.0F) << 5)
| (((GLint) (rgba[i][GCOMP] * 31.0F)) << 10) | (IROUND(rgba[i][GCOMP] * 31.0F) << 10)
| (((GLint) (rgba[i][RCOMP] * 1.0F)) << 15); | (IROUND(rgba[i][RCOMP] * 1.0F) << 15);
} }
} }
break; break;
@ -2534,28 +2534,28 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGBA) { if (dstFormat == GL_RGBA) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 24) dst[i] = (IROUND(rgba[i][RCOMP] * 255.F) << 24)
| (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) | (IROUND(rgba[i][GCOMP] * 255.F) << 16)
| (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 8) | (IROUND(rgba[i][BCOMP] * 255.F) << 8)
| (((GLuint) (rgba[i][ACOMP] * 255.0F)) ); | (IROUND(rgba[i][ACOMP] * 255.F) );
} }
} }
else if (dstFormat == GL_BGRA) { else if (dstFormat == GL_BGRA) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 24) dst[i] = (IROUND(rgba[i][BCOMP] * 255.F) << 24)
| (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) | (IROUND(rgba[i][GCOMP] * 255.F) << 16)
| (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 8) | (IROUND(rgba[i][RCOMP] * 255.F) << 8)
| (((GLuint) (rgba[i][ACOMP] * 255.0F)) ); | (IROUND(rgba[i][ACOMP] * 255.F) );
} }
} }
else if (dstFormat == GL_ABGR_EXT) { else if (dstFormat == GL_ABGR_EXT) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24) dst[i] = (IROUND(rgba[i][ACOMP] * 255.F) << 24)
| (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 16) | (IROUND(rgba[i][BCOMP] * 255.F) << 16)
| (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) | (IROUND(rgba[i][GCOMP] * 255.F) << 8)
| (((GLuint) (rgba[i][RCOMP] * 255.0F)) ); | (IROUND(rgba[i][RCOMP] * 255.F) );
} }
} }
break; break;
@ -2563,28 +2563,28 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGBA) { if (dstFormat == GL_RGBA) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][RCOMP] * 255.0F)) ) dst[i] = (IROUND(rgba[i][RCOMP] * 255.0F) )
| (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) | (IROUND(rgba[i][GCOMP] * 255.0F) << 8)
| (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 16) | (IROUND(rgba[i][BCOMP] * 255.0F) << 16)
| (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24); | (IROUND(rgba[i][ACOMP] * 255.0F) << 24);
} }
} }
else if (dstFormat == GL_BGRA) { else if (dstFormat == GL_BGRA) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][BCOMP] * 255.0F)) ) dst[i] = (IROUND(rgba[i][BCOMP] * 255.0F) )
| (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) | (IROUND(rgba[i][GCOMP] * 255.0F) << 8)
| (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 16) | (IROUND(rgba[i][RCOMP] * 255.0F) << 16)
| (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24); | (IROUND(rgba[i][ACOMP] * 255.0F) << 24);
} }
} }
else if (dstFormat == GL_ABGR_EXT) { else if (dstFormat == GL_ABGR_EXT) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][ACOMP] * 255.0F)) ) dst[i] = (IROUND(rgba[i][ACOMP] * 255.0F) )
| (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 8) | (IROUND(rgba[i][BCOMP] * 255.0F) << 8)
| (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) | (IROUND(rgba[i][GCOMP] * 255.0F) << 16)
| (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 24); | (IROUND(rgba[i][RCOMP] * 255.0F) << 24);
} }
} }
break; break;
@ -2592,28 +2592,28 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGBA) { if (dstFormat == GL_RGBA) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 22) dst[i] = (IROUND(rgba[i][RCOMP] * 1023.0F) << 22)
| (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 12) | (IROUND(rgba[i][GCOMP] * 1023.0F) << 12)
| (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 2) | (IROUND(rgba[i][BCOMP] * 1023.0F) << 2)
| (((GLuint) (rgba[i][ACOMP] * 3.0F)) ); | (IROUND(rgba[i][ACOMP] * 3.0F) );
} }
} }
else if (dstFormat == GL_BGRA) { else if (dstFormat == GL_BGRA) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 22) dst[i] = (IROUND(rgba[i][BCOMP] * 1023.0F) << 22)
| (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 12) | (IROUND(rgba[i][GCOMP] * 1023.0F) << 12)
| (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 2) | (IROUND(rgba[i][RCOMP] * 1023.0F) << 2)
| (((GLuint) (rgba[i][ACOMP] * 3.0F)) ); | (IROUND(rgba[i][ACOMP] * 3.0F) );
} }
} }
else if (dstFormat == GL_ABGR_EXT) { else if (dstFormat == GL_ABGR_EXT) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][ACOMP] * 1023.0F)) << 22) dst[i] = (IROUND(rgba[i][ACOMP] * 1023.0F) << 22)
| (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 12) | (IROUND(rgba[i][BCOMP] * 1023.0F) << 12)
| (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 2) | (IROUND(rgba[i][GCOMP] * 1023.0F) << 2)
| (((GLuint) (rgba[i][RCOMP] * 3.0F)) ); | (IROUND(rgba[i][RCOMP] * 3.0F) );
} }
} }
break; break;
@ -2621,28 +2621,28 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
if (dstFormat == GL_RGBA) { if (dstFormat == GL_RGBA) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][RCOMP] * 1023.0F)) ) dst[i] = (IROUND(rgba[i][RCOMP] * 1023.0F) )
| (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 10) | (IROUND(rgba[i][GCOMP] * 1023.0F) << 10)
| (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 20) | (IROUND(rgba[i][BCOMP] * 1023.0F) << 20)
| (((GLuint) (rgba[i][ACOMP] * 3.0F)) << 30); | (IROUND(rgba[i][ACOMP] * 3.0F) << 30);
} }
} }
else if (dstFormat == GL_BGRA) { else if (dstFormat == GL_BGRA) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][BCOMP] * 1023.0F)) ) dst[i] = (IROUND(rgba[i][BCOMP] * 1023.0F) )
| (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 10) | (IROUND(rgba[i][GCOMP] * 1023.0F) << 10)
| (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 20) | (IROUND(rgba[i][RCOMP] * 1023.0F) << 20)
| (((GLuint) (rgba[i][ACOMP] * 3.0F)) << 30); | (IROUND(rgba[i][ACOMP] * 3.0F) << 30);
} }
} }
else if (dstFormat == GL_ABGR_EXT) { else if (dstFormat == GL_ABGR_EXT) {
GLuint *dst = (GLuint *) dstAddr; GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) { for (i=0;i<n;i++) {
dst[i] = (((GLuint) (rgba[i][ACOMP] * 1023.0F)) ) dst[i] = (IROUND(rgba[i][ACOMP] * 1023.0F) )
| (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 10) | (IROUND(rgba[i][BCOMP] * 1023.0F) << 10)
| (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 20) | (IROUND(rgba[i][GCOMP] * 1023.0F) << 20)
| (((GLuint) (rgba[i][RCOMP] * 3.0F)) << 30); | (IROUND(rgba[i][RCOMP] * 3.0F) << 30);
} }
} }
break; break;