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Add ARGB modes to support big-endian systems.

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This commit is contained in:
Ian Romanick 2004-10-17 21:53:43 +00:00
parent add38812f0
commit 40e852271b
2 changed files with 57 additions and 0 deletions
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56
src/mesa/tnl/t_vertex.c
View file

@ -398,6 +398,46 @@ static void insert_4ub_4f_bgra_1( const struct tnl_clipspace_attr *a, GLubyte *v
v[3] = 0xff;
}
static void insert_4ub_4f_argb_4( const struct tnl_clipspace_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[2]);
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[3]);
}
static void insert_4ub_4f_argb_3( const struct tnl_clipspace_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[2]);
v[0] = 0xff;
}
static void insert_4ub_4f_argb_2( const struct tnl_clipspace_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
v[3] = 0x00;
v[0] = 0xff;
}
static void insert_4ub_4f_argb_1( const struct tnl_clipspace_attr *a, GLubyte *v,
const GLfloat *in )
{
(void) a;
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
v[2] = 0x00;
v[3] = 0x00;
v[0] = 0xff;
}
static void insert_3ub_3f_rgb_3( const struct tnl_clipspace_attr *a, GLubyte *v,
const GLfloat *in )
{
@ -598,6 +638,16 @@ static void extract_4ub_4f_bgra( const struct tnl_clipspace_attr *a, GLfloat *ou
out[3] = UBYTE_TO_FLOAT(v[3]);
}
static void extract_4ub_4f_argb( const struct tnl_clipspace_attr *a, GLfloat *out,
const GLubyte *v )
{
(void) a;
out[3] = UBYTE_TO_FLOAT(v[0]);
out[0] = UBYTE_TO_FLOAT(v[1]);
out[1] = UBYTE_TO_FLOAT(v[2]);
out[2] = UBYTE_TO_FLOAT(v[3]);
}
static void extract_3ub_3f_rgb( const struct tnl_clipspace_attr *a, GLfloat *out,
const GLubyte *v )
{
@ -708,6 +758,12 @@ static struct {
insert_4ub_4f_bgra_4 },
4 * sizeof(GLubyte) },
{ "4ub_4f_argb",
extract_4ub_4f_argb,
{ insert_4ub_4f_argb_1, insert_4ub_4f_argb_2, insert_4ub_4f_argb_3,
insert_4ub_4f_argb_4 },
4 * sizeof(GLubyte) },
{ "4chan_4f_rgba",
extract_4chan_4f_rgba,
{ insert_4chan_4f_rgba_1, insert_4chan_4f_rgba_2, insert_4chan_4f_rgba_3,

1
src/mesa/tnl/t_vertex.h
View file

@ -53,6 +53,7 @@ enum tnl_attr_format {
EMIT_3UB_3F_BGR, /* for specular color */
EMIT_4UB_4F_RGBA, /* for color */
EMIT_4UB_4F_BGRA, /* for color */
EMIT_4UB_4F_ARGB, /* for color */
EMIT_4CHAN_4F_RGBA, /* for swrast color */
EMIT_PAD, /* leave a hole of 'offset' bytes */
EMIT_MAX