[Mesa-dev] [PATCH v2 06/12] mesa pack: handle packed integer formats with clamping
Jordan Justen
jordan.l.justen at intel.com
Wed Jul 11 14:58:52 PDT 2012
Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
---
src/mesa/main/pack.c | 549 +++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 547 insertions(+), 2 deletions(-)
diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c
index 51b8e00..2691082 100644
--- a/src/mesa/main/pack.c
+++ b/src/mesa/main/pack.c
@@ -508,6 +508,8 @@ _mesa_pack_rgba_span_from_uints(struct gl_context *ctx, GLuint n, GLuint rgba[][
GLenum dstFormat, GLenum dstType,
GLvoid *dstAddr)
{
+ GLuint i;
+
switch(dstType) {
case GL_UNSIGNED_INT:
pack_uint_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n);
@@ -527,7 +529,278 @@ _mesa_pack_rgba_span_from_uints(struct gl_context *ctx, GLuint n, GLuint rgba[][
case GL_BYTE:
pack_byte_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n);
break;
-
+ case GL_UNSIGNED_BYTE_3_3_2:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLubyte *dst = (GLubyte *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 7) << 5)
+ | (CLAMP(rgba[i][GCOMP], 0, 7) << 2)
+ | (CLAMP(rgba[i][BCOMP], 0, 3) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLubyte *dst = (GLubyte *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 7) )
+ | (CLAMP(rgba[i][GCOMP], 0, 7) << 3)
+ | (CLAMP(rgba[i][BCOMP], 0, 3) << 6);
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][GCOMP], 0, 63) << 5)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) )
+ | (CLAMP(rgba[i][GCOMP], 0, 63) << 5)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 11);
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 15) << 12)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 15) << 12)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 15) << 12)
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 15) )
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) << 12);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 15) )
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) << 12);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 15) )
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) << 12);
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 6)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 1)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 6)
+ | (CLAMP(rgba[i][RCOMP], 0, 31) << 1)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 6)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 1)
+ | (CLAMP(rgba[i][RCOMP], 0, 1) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) )
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 5)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 10)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) << 15);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 31) )
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 5)
+ | (CLAMP(rgba[i][RCOMP], 0, 31) << 10)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) << 15);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 31) )
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 5)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 10)
+ | (CLAMP(rgba[i][RCOMP], 0, 1) << 15);
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 255) << 24)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 255) << 24)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 255) << 24)
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 255) )
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) << 24);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 255) )
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) << 24);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 255) )
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) << 24);
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_10_10_10_2:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 1023) << 22)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 12)
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 2)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 1023) << 22)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 12)
+ | (CLAMP(rgba[i][RCOMP], 0, 1023) << 2)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 1023) << 22)
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 12)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 2)
+ | (CLAMP(rgba[i][RCOMP], 0, 3) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 1023) )
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 10)
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 20)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) << 30);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 1023) )
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 10)
+ | (CLAMP(rgba[i][RCOMP], 0, 1023) << 20)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) << 30);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 1023) )
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 10)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 20)
+ | (CLAMP(rgba[i][RCOMP], 0, 3) << 30);
+ }
+ }
+ break;
default:
_mesa_problem(ctx,
"Unsupported type (%s) for format (%s)",
@@ -589,6 +862,7 @@ _mesa_pack_rgba_span_from_ints(struct gl_context *ctx, GLuint n, GLint rgba[][4]
GLenum dstFormat, GLenum dstType,
GLvoid *dstAddr)
{
+ GLuint i;
switch(dstType) {
case GL_UNSIGNED_INT:
@@ -610,7 +884,278 @@ _mesa_pack_rgba_span_from_ints(struct gl_context *ctx, GLuint n, GLint rgba[][4]
case GL_BYTE:
pack_byte_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n);
break;
-
+ case GL_UNSIGNED_BYTE_3_3_2:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLubyte *dst = (GLubyte *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 7) << 5)
+ | (CLAMP(rgba[i][GCOMP], 0, 7) << 2)
+ | (CLAMP(rgba[i][BCOMP], 0, 3) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLubyte *dst = (GLubyte *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 7) )
+ | (CLAMP(rgba[i][GCOMP], 0, 7) << 3)
+ | (CLAMP(rgba[i][BCOMP], 0, 3) << 6);
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][GCOMP], 0, 63) << 5)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) )
+ | (CLAMP(rgba[i][GCOMP], 0, 63) << 5)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 11);
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 15) << 12)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 15) << 12)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 15) << 12)
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 15) )
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) << 12);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 15) )
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) << 12);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 15) )
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) << 12);
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 6)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 1)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 6)
+ | (CLAMP(rgba[i][RCOMP], 0, 31) << 1)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 6)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 1)
+ | (CLAMP(rgba[i][RCOMP], 0, 1) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) )
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 5)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 10)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) << 15);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 31) )
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 5)
+ | (CLAMP(rgba[i][RCOMP], 0, 31) << 10)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) << 15);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 31) )
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 5)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 10)
+ | (CLAMP(rgba[i][RCOMP], 0, 1) << 15);
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 255) << 24)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 255) << 24)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 255) << 24)
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 255) )
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) << 24);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 255) )
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) << 24);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 255) )
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) << 24);
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_10_10_10_2:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 1023) << 22)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 12)
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 2)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 1023) << 22)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 12)
+ | (CLAMP(rgba[i][RCOMP], 0, 1023) << 2)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 1023) << 22)
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 12)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 2)
+ | (CLAMP(rgba[i][RCOMP], 0, 3) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 1023) )
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 10)
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 20)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) << 30);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 1023) )
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 10)
+ | (CLAMP(rgba[i][RCOMP], 0, 1023) << 20)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) << 30);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 1023) )
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 10)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 20)
+ | (CLAMP(rgba[i][RCOMP], 0, 3) << 30);
+ }
+ }
+ break;
default:
_mesa_problem(ctx,
"Unsupported type (%s) for format (%s)",
--
1.7.9.5
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