From: Ian Romanick <idr@us.ibm.com>
Date: Sat, 23 Oct 2004 00:42:17 +0000 (+0000)
Subject: Big-endian fixes for R200 sw TCL path.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=74b00800862e917673a0bf06eace2c5266b531ac;p=mesa.git

Big-endian fixes for R200 sw TCL path.
---

diff --git a/src/mesa/drivers/dri/r200/r200_swtcl.c b/src/mesa/drivers/dri/r200/r200_swtcl.c
index c40c7d09dbd..4c6f19da4f0 100644
--- a/src/mesa/drivers/dri/r200/r200_swtcl.c
+++ b/src/mesa/drivers/dri/r200/r200_swtcl.c
@@ -116,12 +116,17 @@ static void r200SetVertexFormat( GLcontext *ctx )
    }
 
    rmesa->swtcl.coloroffset = offset;
+#if MESA_LITTLE_ENDIAN 
    EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA, (R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT) );
+#else
+   EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_ABGR, (R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT) );
+#endif
    offset += 1;
 
    rmesa->swtcl.specoffset = 0;
    if (index & (_TNL_BIT_COLOR1|_TNL_BIT_FOG)) {
 
+#if MESA_LITTLE_ENDIAN 
       if (index & _TNL_BIT_COLOR1) {
 	 rmesa->swtcl.specoffset = offset;
 	 EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_RGB, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) );
@@ -136,6 +141,22 @@ static void r200SetVertexFormat( GLcontext *ctx )
       else {
 	 EMIT_PAD( 1 );
       }
+#else
+      if (index & _TNL_BIT_FOG) {
+	 EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) );
+      }
+      else {
+	 EMIT_PAD( 1 );
+      }
+
+      if (index & _TNL_BIT_COLOR1) {
+	 rmesa->swtcl.specoffset = offset;
+	 EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) );
+      }
+      else {
+	 EMIT_PAD( 3 );
+      }
+#endif
    }
 
    if (index & _TNL_BITS_TEX_ANY) {
diff --git a/src/mesa/tnl/t_vertex.c b/src/mesa/tnl/t_vertex.c
index 1582c9f90a3..984241c6a77 100644
--- a/src/mesa/tnl/t_vertex.c
+++ b/src/mesa/tnl/t_vertex.c
@@ -438,6 +438,46 @@ static void insert_4ub_4f_argb_1( const struct tnl_clipspace_attr *a, GLubyte *v
    v[0] = 0xff;
 }
 
+static void insert_4ub_4f_abgr_4( const struct tnl_clipspace_attr *a, GLubyte *v, 
+				const GLfloat *in )
+{
+   (void) a;
+   UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
+   UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
+   UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[2]);
+   UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[3]);
+}
+
+static void insert_4ub_4f_abgr_3( const struct tnl_clipspace_attr *a, GLubyte *v, 
+				const GLfloat *in )
+{
+   (void) a;
+   UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
+   UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
+   UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[2]);
+   v[0] = 0xff;
+}
+
+static void insert_4ub_4f_abgr_2( const struct tnl_clipspace_attr *a, GLubyte *v, 
+				const GLfloat *in )
+{
+   (void) a;
+   UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
+   UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
+   v[1] = 0x00;
+   v[0] = 0xff;
+}
+
+static void insert_4ub_4f_abgr_1( const struct tnl_clipspace_attr *a, GLubyte *v, 
+				const GLfloat *in )
+{
+   (void) a;
+   UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
+   v[2] = 0x00;
+   v[1] = 0x00;
+   v[0] = 0xff;
+}
+
 static void insert_3ub_3f_rgb_3( const struct tnl_clipspace_attr *a, GLubyte *v, 
 			       const GLfloat *in )
 {
@@ -648,6 +688,16 @@ static void extract_4ub_4f_argb( const struct tnl_clipspace_attr *a, GLfloat *ou
    out[2] = UBYTE_TO_FLOAT(v[3]);
 }
 
+static void extract_4ub_4f_abgr( const struct tnl_clipspace_attr *a, GLfloat *out, 
+				 const GLubyte *v )
+{
+   (void) a;
+   out[3] = UBYTE_TO_FLOAT(v[0]);
+   out[2] = UBYTE_TO_FLOAT(v[1]);
+   out[1] = UBYTE_TO_FLOAT(v[2]);
+   out[0] = UBYTE_TO_FLOAT(v[3]);
+}
+
 static void extract_3ub_3f_rgb( const struct tnl_clipspace_attr *a, GLfloat *out, 
 				const GLubyte *v )
 {
@@ -764,6 +814,12 @@ static struct {
        insert_4ub_4f_argb_4 },
      4 * sizeof(GLubyte) },
 
+   { "4ub_4f_abgr",
+     extract_4ub_4f_abgr,
+     { insert_4ub_4f_abgr_1, insert_4ub_4f_abgr_2, insert_4ub_4f_abgr_3,
+       insert_4ub_4f_abgr_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,
diff --git a/src/mesa/tnl/t_vertex.h b/src/mesa/tnl/t_vertex.h
index f2bd145d9e2..caa222014c9 100644
--- a/src/mesa/tnl/t_vertex.h
+++ b/src/mesa/tnl/t_vertex.h
@@ -54,6 +54,7 @@ enum tnl_attr_format {
    EMIT_4UB_4F_RGBA,		/* for color */
    EMIT_4UB_4F_BGRA,		/* for color */
    EMIT_4UB_4F_ARGB,		/* for color */
+   EMIT_4UB_4F_ABGR,		/* for color */
    EMIT_4CHAN_4F_RGBA,		/* for swrast color */
    EMIT_PAD,			/* leave a hole of 'offset' bytes */
    EMIT_MAX