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Diffstat (limited to 'src/mesa/main/image.c')
-rw-r--r--src/mesa/main/image.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index b9f026d7e6..955f14f6b1 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -161,6 +161,8 @@ GLint _mesa_sizeof_type( GLenum type )
return sizeof(GLint);
case GL_FLOAT:
return sizeof(GLfloat);
+ case GL_HALF_FLOAT_NV:
+ return sizeof(GLhalfNV);
default:
return -1;
}
@@ -188,6 +190,8 @@ GLint _mesa_sizeof_packed_type( GLenum type )
return sizeof(GLuint);
case GL_INT:
return sizeof(GLint);
+ case GL_HALF_FLOAT_NV:
+ return sizeof(GLhalfNV);
case GL_FLOAT:
return sizeof(GLfloat);
case GL_UNSIGNED_BYTE_3_3_2:
@@ -297,6 +301,8 @@ GLint _mesa_bytes_per_pixel( GLenum format, GLenum type )
return comps * sizeof(GLint);
case GL_FLOAT:
return comps * sizeof(GLfloat);
+ case GL_HALF_FLOAT_NV:
+ return comps * sizeof(GLhalfNV);
case GL_UNSIGNED_BYTE_3_3_2:
case GL_UNSIGNED_BYTE_2_3_3_REV:
if (format == GL_RGB || format == GL_BGR)
@@ -361,6 +367,7 @@ _mesa_is_legal_format_and_type( GLenum format, GLenum type )
case GL_INT:
case GL_UNSIGNED_INT:
case GL_FLOAT:
+ case GL_HALF_FLOAT_NV:
return GL_TRUE;
default:
return GL_FALSE;
@@ -381,6 +388,7 @@ _mesa_is_legal_format_and_type( GLenum format, GLenum type )
case GL_INT:
case GL_UNSIGNED_INT:
case GL_FLOAT:
+ case GL_HALF_FLOAT_NV:
return GL_TRUE;
default:
return GL_FALSE;
@@ -395,6 +403,7 @@ _mesa_is_legal_format_and_type( GLenum format, GLenum type )
case GL_INT:
case GL_UNSIGNED_INT:
case GL_FLOAT:
+ case GL_HALF_FLOAT_NV:
case GL_UNSIGNED_BYTE_3_3_2:
case GL_UNSIGNED_BYTE_2_3_3_REV:
case GL_UNSIGNED_SHORT_5_6_5:
@@ -414,6 +423,7 @@ _mesa_is_legal_format_and_type( GLenum format, GLenum type )
case GL_INT:
case GL_UNSIGNED_INT:
case GL_FLOAT:
+ case GL_HALF_FLOAT_NV:
case GL_UNSIGNED_SHORT_4_4_4_4:
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
case GL_UNSIGNED_SHORT_5_5_5_1:
@@ -1538,6 +1548,82 @@ _mesa_pack_float_rgba_span( GLcontext *ctx,
}
}
break;
+ case GL_HALF_FLOAT_NV:
+ {
+ GLhalfNV *dst = (GLhalfNV *) dstAddr;
+ switch (dstFormat) {
+ case GL_RED:
+ for (i=0;i<n;i++)
+ dst[i] = _mesa_float_to_half(rgba[i][RCOMP]);
+ break;
+ case GL_GREEN:
+ for (i=0;i<n;i++)
+ dst[i] = _mesa_float_to_half(rgba[i][GCOMP]);
+ break;
+ case GL_BLUE:
+ for (i=0;i<n;i++)
+ dst[i] = _mesa_float_to_half(rgba[i][BCOMP]);
+ break;
+ case GL_ALPHA:
+ for (i=0;i<n;i++)
+ dst[i] = _mesa_float_to_half(rgba[i][ACOMP]);
+ break;
+ case GL_LUMINANCE:
+ for (i=0;i<n;i++)
+ dst[i] = _mesa_float_to_half(luminance[i]);
+ break;
+ case GL_LUMINANCE_ALPHA:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = _mesa_float_to_half(luminance[i]);
+ dst[i*2+1] = _mesa_float_to_half(rgba[i][ACOMP]);
+ }
+ break;
+ case GL_RGB:
+ for (i=0;i<n;i++) {
+ dst[i*3+0] = _mesa_float_to_half(rgba[i][RCOMP]);
+ dst[i*3+1] = _mesa_float_to_half(rgba[i][GCOMP]);
+ dst[i*3+2] = _mesa_float_to_half(rgba[i][BCOMP]);
+ }
+ break;
+ case GL_RGBA:
+ for (i=0;i<n;i++) {
+ dst[i*4+0] = _mesa_float_to_half(rgba[i][RCOMP]);
+ dst[i*4+1] = _mesa_float_to_half(rgba[i][GCOMP]);
+ dst[i*4+2] = _mesa_float_to_half(rgba[i][BCOMP]);
+ dst[i*4+3] = _mesa_float_to_half(rgba[i][ACOMP]);
+ }
+ break;
+ case GL_BGR:
+ for (i=0;i<n;i++) {
+ dst[i*3+0] = _mesa_float_to_half(rgba[i][BCOMP]);
+ dst[i*3+1] = _mesa_float_to_half(rgba[i][GCOMP]);
+ dst[i*3+2] = _mesa_float_to_half(rgba[i][RCOMP]);
+ }
+ break;
+ case GL_BGRA:
+ for (i=0;i<n;i++) {
+ dst[i*4+0] = _mesa_float_to_half(rgba[i][BCOMP]);
+ dst[i*4+1] = _mesa_float_to_half(rgba[i][GCOMP]);
+ dst[i*4+2] = _mesa_float_to_half(rgba[i][RCOMP]);
+ dst[i*4+3] = _mesa_float_to_half(rgba[i][ACOMP]);
+ }
+ break;
+ case GL_ABGR_EXT:
+ for (i=0;i<n;i++) {
+ dst[i*4+0] = _mesa_float_to_half(rgba[i][ACOMP]);
+ dst[i*4+1] = _mesa_float_to_half(rgba[i][BCOMP]);
+ dst[i*4+2] = _mesa_float_to_half(rgba[i][GCOMP]);
+ dst[i*4+3] = _mesa_float_to_half(rgba[i][RCOMP]);
+ }
+ break;
+ default:
+ _mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
+ }
+ if (dstPacking->SwapBytes) {
+ _mesa_swap2( (GLushort *) dst, n * comps );
+ }
+ }
+ break;
case GL_UNSIGNED_BYTE_3_3_2:
if (dstFormat == GL_RGB) {
GLubyte *dst = (GLubyte *) dstAddr;
@@ -1925,6 +2011,7 @@ extract_uint_indexes(GLuint n, GLuint indexes[],
srcType == GL_SHORT ||
srcType == GL_UNSIGNED_INT ||
srcType == GL_INT ||
+ srcType == GL_HALF_FLOAT_NV ||
srcType == GL_FLOAT);
switch (srcType) {
@@ -2062,6 +2149,23 @@ extract_uint_indexes(GLuint n, GLuint indexes[],
}
}
break;
+ case GL_HALF_FLOAT_NV:
+ {
+ GLuint i;
+ const GLhalfNV *s = (const GLhalfNV *) src;
+ if (unpack->SwapBytes) {
+ for (i = 0; i < n; i++) {
+ GLhalfNV value = s[i];
+ SWAP2BYTE(value);
+ indexes[i] = (GLuint) _mesa_half_to_float(value);
+ }
+ }
+ else {
+ for (i = 0; i < n; i++)
+ indexes[i] = (GLuint) _mesa_half_to_float(s[i]);
+ }
+ }
+ break;
default:
_mesa_problem(NULL, "bad srcType in extract_uint_indexes");
return;
@@ -2113,6 +2217,7 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
srcType == GL_SHORT ||
srcType == GL_UNSIGNED_INT ||
srcType == GL_INT ||
+ srcType == GL_HALF_FLOAT_NV ||
srcType == GL_FLOAT ||
srcType == GL_UNSIGNED_BYTE_3_3_2 ||
srcType == GL_UNSIGNED_BYTE_2_3_3_REV ||
@@ -2291,6 +2396,12 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
PROCESS(blueIndex, BCOMP, 0.0F, GLfloat, (GLfloat));
PROCESS(alphaIndex, ACOMP, 1.0F, GLfloat, (GLfloat));
break;
+ case GL_HALF_FLOAT_NV:
+ PROCESS(redIndex, RCOMP, 0.0F, GLhalfNV, _mesa_half_to_float);
+ PROCESS(greenIndex, GCOMP, 0.0F, GLhalfNV, _mesa_half_to_float);
+ PROCESS(blueIndex, BCOMP, 0.0F, GLhalfNV, _mesa_half_to_float);
+ PROCESS(alphaIndex, ACOMP, 1.0F, GLhalfNV, _mesa_half_to_float);
+ break;
case GL_UNSIGNED_BYTE_3_3_2:
{
const GLubyte *ubsrc = (const GLubyte *) src;
@@ -2626,6 +2737,7 @@ _mesa_unpack_chan_color_span( GLcontext *ctx,
srcType == GL_SHORT ||
srcType == GL_UNSIGNED_INT ||
srcType == GL_INT ||
+ srcType == GL_HALF_FLOAT_NV ||
srcType == GL_FLOAT ||
srcType == GL_UNSIGNED_BYTE_3_3_2 ||
srcType == GL_UNSIGNED_BYTE_2_3_3_REV ||
@@ -3019,6 +3131,7 @@ _mesa_unpack_float_color_span( GLcontext *ctx,
srcType == GL_SHORT ||
srcType == GL_UNSIGNED_INT ||
srcType == GL_INT ||
+ srcType == GL_HALF_FLOAT_NV ||
srcType == GL_FLOAT ||
srcType == GL_UNSIGNED_BYTE_3_3_2 ||
srcType == GL_UNSIGNED_BYTE_2_3_3_REV ||
@@ -3285,6 +3398,7 @@ _mesa_unpack_index_span( const GLcontext *ctx, GLuint n,
srcType == GL_SHORT ||
srcType == GL_UNSIGNED_INT ||
srcType == GL_INT ||
+ srcType == GL_HALF_FLOAT_NV ||
srcType == GL_FLOAT);
ASSERT(dstType == GL_UNSIGNED_BYTE ||
@@ -3457,6 +3571,18 @@ _mesa_pack_index_span( const GLcontext *ctx, GLuint n,
}
}
break;
+ case GL_HALF_FLOAT_NV:
+ {
+ GLhalfNV *dst = (GLhalfNV *) dest;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i] = _mesa_float_to_half((GLfloat) source[i]);
+ }
+ if (dstPacking->SwapBytes) {
+ _mesa_swap2( (GLushort *) dst, n );
+ }
+ }
+ break;
default:
_mesa_problem(ctx, "bad type in _mesa_pack_index_span");
}
@@ -3491,6 +3617,7 @@ _mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n,
srcType == GL_SHORT ||
srcType == GL_UNSIGNED_INT ||
srcType == GL_INT ||
+ srcType == GL_HALF_FLOAT_NV ||
srcType == GL_FLOAT);
ASSERT(dstType == GL_UNSIGNED_BYTE ||
@@ -3677,6 +3804,18 @@ _mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
}
}
break;
+ case GL_HALF_FLOAT_NV:
+ {
+ GLhalfNV *dst = (GLhalfNV *) dest;
+ GLuint i;
+ for (i=0;i<n;i++) {
+ dst[i] = _mesa_half_to_float(source[i]);
+ }
+ if (dstPacking->SwapBytes) {
+ _mesa_swap2( (GLushort *) dst, n );
+ }
+ }
+ break;
case GL_BITMAP:
if (dstPacking->LsbFirst) {
GLubyte *dst = (GLubyte *) dest;
@@ -3778,6 +3917,15 @@ _mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, GLfloat *dest,
case GL_FLOAT:
MEMCPY(dest, source, n * sizeof(GLfloat));
break;
+ case GL_HALF_FLOAT_NV:
+ {
+ GLuint i;
+ const GLhalfNV *src = (const GLhalfNV *) source;
+ for (i = 0; i < n; i++) {
+ dest[i] = _mesa_half_to_float(src[i]);
+ }
+ }
+ break;
default:
_mesa_problem(NULL, "bad type in _mesa_unpack_depth_span()");
return;
@@ -3898,6 +4046,18 @@ _mesa_pack_depth_span( const GLcontext *ctx, GLuint n, GLvoid *dest,
}
}
break;
+ case GL_HALF_FLOAT_NV:
+ {
+ GLhalfNV *dst = (GLhalfNV *) dest;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i] = _mesa_float_to_half(depthSpan[i]);
+ }
+ if (dstPacking->SwapBytes) {
+ _mesa_swap2( (GLushort *) dst, n );
+ }
+ }
+ break;
default:
_mesa_problem(ctx, "bad type in _mesa_pack_depth_span");
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 11:13:06 +0000