implemented GL_ARB_tranpose_matrix

6 files changed, 275 insertions, 9 deletions

diff --git a/src/mesa/main/dispatch.c b/src/mesa/main/dispatch.c
index ba65193941a..33cc485ab4e 100644
--- a/src/mesa/main/dispatch.c
+++ b/src/mesa/main/dispatch.c
@@ -1,4 +1,4 @@
-/* $Id: dispatch.c,v 1.5 1999/11/27 21:42:12 brianp Exp $ */
+/* $Id: dispatch.c,v 1.6 1999/12/10 20:01:06 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -575,5 +575,13 @@ _mesa_init_exec_table(struct _glapi_table *exec)
 #ifdef _GLAPI_MESA_resize_buffers
    exec->ResizeBuffersMESA = _mesa_ResizeBuffersMESA;
 #endif
+
+#ifdef _GLAPI_ARB_transpose_matrix
+   exec->LoadTransposeMatrixdARB = _mesa_LoadTransposeMatrixdARB;
+   exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB;
+   exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
+   exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
+#endif
+
 }
 
diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 14662773c6b..56e8b07fbce 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -1,4 +1,4 @@
-/* $Id: dlist.c,v 1.20 1999/11/27 21:40:42 brianp Exp $ */
+/* $Id: dlist.c,v 1.21 1999/12/10 20:01:06 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -3068,6 +3068,39 @@ static void save_ClientActiveTextureARB( GLenum target )
 
 
 
+static void save_LoadTransposeMatrixdARB( const GLdouble m[16] )
+{
+   GLdouble tm[16];
+   gl_matrix_transposed(tm, m);
+   save_LoadMatrixd(tm);
+}
+
+
+static void save_LoadTransposeMatrixfARB( const GLfloat m[16] )
+{
+   GLfloat tm[16];
+   gl_matrix_transposef(tm, m);
+   save_LoadMatrixf(tm);
+}
+
+
+static void save_MultTransposeMatrixdARB( const GLdouble m[16] )
+{
+   GLdouble tm[16];
+   gl_matrix_transposed(tm, m);
+   save_MultMatrixd(tm);
+}
+
+
+static void save_MultTransposeMatrixfARB( const GLfloat m[16] )
+{
+   GLfloat tm[16];
+   gl_matrix_transposef(tm, m);
+   save_MultMatrixf(tm);
+}
+
+
+
 void gl_compile_cassette( GLcontext *ctx )
 {
    Node *n = alloc_instruction( ctx, OPCODE_VERTEX_CASSETTE, 8 );
@@ -4462,6 +4495,14 @@ _mesa_init_dlist_table( struct _glapi_table *table )
 #ifdef _GLAPI_MESA_resize_buffers
    table->ResizeBuffersMESA = _mesa_ResizeBuffersMESA;
 #endif
+
+#ifdef _GLAPI_ARB_transpose_matrix
+   table->LoadTransposeMatrixdARB = save_LoadTransposeMatrixdARB;
+   table->LoadTransposeMatrixfARB = save_LoadTransposeMatrixfARB;
+   table->MultTransposeMatrixdARB = save_MultTransposeMatrixdARB;
+   table->MultTransposeMatrixfARB = save_MultTransposeMatrixfARB;
+#endif
+
 }
 
 
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 102bb51599a..d7f09ba203e 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -1,4 +1,4 @@
-/* $Id: extensions.c,v 1.15 1999/12/10 15:13:57 brianp Exp $ */
+/* $Id: extensions.c,v 1.16 1999/12/10 20:01:06 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -75,6 +75,7 @@ static struct { int enabled; const char *name; } default_extensions[] = {
    { DEFAULT_OFF,    "GL_EXT_vertex_array_set" },
    { DEFAULT_ON,     "GL_EXT_clip_volume_hint" },
    { DEFAULT_ON,     "GL_EXT_texture_env_add" },
+   { ALWAYS_ENABLED, "GL_ARB_tranpose_matrix" },
 };
 
 
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 165b9589ed5..684537adf53 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -1,4 +1,4 @@
-/* $Id: get.c,v 1.6 1999/11/11 01:22:26 brianp Exp $ */
+/* $Id: get.c,v 1.7 1999/12/10 20:01:06 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -35,6 +35,7 @@
 #include "extensions.h"
 #include "get.h"
 #include "macros.h"
+#include "matrix.h"
 #include "mmath.h"
 #include "types.h"
 #include "vb.h"
@@ -963,6 +964,42 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params )
       case GL_NATIVE_GRAPHICS_HANDLE_PGI:
 	 *params = 0;
 	 break;
+
+      /* GL_ARB_transpose_matrix */
+      case GL_TRANSPOSE_COLOR_MATRIX_ARB:
+         /* don't have a color matrix */
+         break;
+      case GL_TRANSPOSE_MODELVIEW_MATRIX_ARB:
+         {
+            GLfloat tm[16];
+            GLuint i;
+            gl_matrix_transposef(tm, ctx->ModelView.m);
+            for (i=0;i<16;i++) {
+               params[i] = FLOAT_TO_BOOL(tm[i]);
+            }
+         }
+         break;
+      case GL_TRANSPOSE_PROJECTION_MATRIX_ARB:
+         {
+            GLfloat tm[16];
+            GLuint i;
+            gl_matrix_transposef(tm, ctx->ProjectionMatrix.m);
+            for (i=0;i<16;i++) {
+               params[i] = FLOAT_TO_BOOL(tm[i]);
+            }
+         }
+         break;
+      case GL_TRANSPOSE_TEXTURE_MATRIX_ARB:
+         {
+            GLfloat tm[16];
+            GLuint i;
+            gl_matrix_transposef(tm, ctx->TextureMatrix[texTransformUnit].m);
+            for (i=0;i<16;i++) {
+               params[i] = FLOAT_TO_BOOL(tm[i]);
+            }
+         }
+         break;
+
       default:
 	 printf("invalid enum: %x\n", pname);
          gl_error( ctx, GL_INVALID_ENUM, "glGetBooleanv" );
@@ -1878,7 +1915,40 @@ _mesa_GetDoublev( GLenum pname, GLdouble *params )
 	 *params = 0;
 	 break;
 
-
+      /* GL_ARB_transpose_matrix */
+      case GL_TRANSPOSE_COLOR_MATRIX_ARB:
+         /* don't have a color matrix */
+         break;
+      case GL_TRANSPOSE_MODELVIEW_MATRIX_ARB:
+         {
+            GLfloat tm[16];
+            GLuint i;
+            gl_matrix_transposef(tm, ctx->ModelView.m);
+            for (i=0;i<16;i++) {
+               params[i] = (GLdouble) tm[i];
+            }
+         }
+         break;
+      case GL_TRANSPOSE_PROJECTION_MATRIX_ARB:
+         {
+            GLfloat tm[16];
+            GLuint i;
+            gl_matrix_transposef(tm, ctx->ProjectionMatrix.m);
+            for (i=0;i<16;i++) {
+               params[i] = (GLdouble) tm[i];
+            }
+         }
+         break;
+      case GL_TRANSPOSE_TEXTURE_MATRIX_ARB:
+         {
+            GLfloat tm[16];
+            GLuint i;
+            gl_matrix_transposef(tm, ctx->TextureMatrix[texTransformUnit].m);
+            for (i=0;i<16;i++) {
+               params[i] = (GLdouble) tm[i];
+            }
+         }
+         break;
 
       default:
 	 printf("invalid enum: %x\n", pname);
@@ -2791,6 +2861,20 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params )
 	 *params = 0;
 	 break;
 
+      /* GL_ARB_transpose_matrix */
+      case GL_TRANSPOSE_COLOR_MATRIX_ARB:
+         /* don't have a color matrix */
+         break;
+      case GL_TRANSPOSE_MODELVIEW_MATRIX_ARB:
+         gl_matrix_transposef(params, ctx->ModelView.m);
+         break;
+      case GL_TRANSPOSE_PROJECTION_MATRIX_ARB:
+         gl_matrix_transposef(params, ctx->ProjectionMatrix.m);
+         break;
+      case GL_TRANSPOSE_TEXTURE_MATRIX_ARB:
+         gl_matrix_transposef(params, ctx->TextureMatrix[texTransformUnit].m);
+         break;
+
       default:
 	 printf("invalid enum: %x\n", pname);
          gl_error( ctx, GL_INVALID_ENUM, "glGetFloatv" );
@@ -3717,6 +3801,41 @@ _mesa_GetIntegerv( GLenum pname, GLint *params )
 	 *params = ctx->Array.LockCount;
 	 break;
 	 
+      /* GL_ARB_transpose_matrix */
+      case GL_TRANSPOSE_COLOR_MATRIX_ARB:
+         /* don't have a color matrix */
+         break;
+      case GL_TRANSPOSE_MODELVIEW_MATRIX_ARB:
+         {
+            GLfloat tm[16];
+            GLuint i;
+            gl_matrix_transposef(tm, ctx->ModelView.m);
+            for (i=0;i<16;i++) {
+               params[i] = (GLint) tm[i];
+            }
+         }
+         break;
+      case GL_TRANSPOSE_PROJECTION_MATRIX_ARB:
+         {
+            GLfloat tm[16];
+            GLuint i;
+            gl_matrix_transposef(tm, ctx->ProjectionMatrix.m);
+            for (i=0;i<16;i++) {
+               params[i] = (GLint) tm[i];
+            }
+         }
+         break;
+      case GL_TRANSPOSE_TEXTURE_MATRIX_ARB:
+         {
+            GLfloat tm[16];
+            GLuint i;
+            gl_matrix_transposef(tm, ctx->TextureMatrix[texTransformUnit].m);
+            for (i=0;i<16;i++) {
+               params[i] = (GLint) tm[i];
+            }
+         }
+         break;
+
       default:
 	 printf("invalid enum: %x\n", pname);
          gl_error( ctx, GL_INVALID_ENUM, "glGetIntegerv" );
diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c
index afd33ed0150..a86c0d3d6fc 100644
--- a/src/mesa/main/matrix.c
+++ b/src/mesa/main/matrix.c
@@ -1,4 +1,4 @@
-/* $Id: matrix.c,v 1.11 1999/11/24 18:48:31 brianp Exp $ */
+/* $Id: matrix.c,v 1.12 1999/12/10 20:01:06 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -537,6 +537,50 @@ GLboolean gl_matrix_invert( GLmatrix *mat )
 
 
 
+void gl_matrix_transposef( GLfloat to[16], const GLfloat from[16] )
+{
+   to[0] = from[0];
+   to[1] = from[4];
+   to[2] = from[8];
+   to[3] = from[12];
+   to[4] = from[1];
+   to[5] = from[5];
+   to[6] = from[9];
+   to[7] = from[13];
+   to[8] = from[2];
+   to[9] = from[6];
+   to[10] = from[10];
+   to[11] = from[14];
+   to[12] = from[3];
+   to[13] = from[7];
+   to[14] = from[11];
+   to[15] = from[15];
+}
+
+
+
+void gl_matrix_transposed( GLdouble to[16], const GLdouble from[16] )
+{
+   to[0] = from[0];
+   to[1] = from[4];
+   to[2] = from[8];
+   to[3] = from[12];
+   to[4] = from[1];
+   to[5] = from[5];
+   to[6] = from[9];
+   to[7] = from[13];
+   to[8] = from[2];
+   to[9] = from[6];
+   to[10] = from[10];
+   to[11] = from[14];
+   to[12] = from[3];
+   to[13] = from[7];
+   to[14] = from[11];
+   to[15] = from[15];
+}
+
+
+
 /*
  * Generate a 4x4 transformation matrix from glRotate parameters.
  */
@@ -1331,6 +1375,42 @@ _mesa_Translated( GLdouble x, GLdouble y, GLdouble z )
 
 
 
+void
+_mesa_LoadTransposeMatrixfARB( const GLfloat *m )
+{
+   GLfloat tm[16];
+   gl_matrix_transposef(tm, m);
+   _mesa_LoadMatrixf(tm);
+}
+
+
+void
+_mesa_LoadTransposeMatrixdARB( const GLdouble *m )
+{
+   GLdouble tm[16];
+   gl_matrix_transposed(tm, m);
+   _mesa_LoadMatrixd(tm);
+}
+
+
+void
+_mesa_MultTransposeMatrixfARB( const GLfloat *m )
+{
+   GLfloat tm[16];
+   gl_matrix_transposef(tm, m);
+   _mesa_MultMatrixf(tm);
+}
+
+
+void
+_mesa_MultTransposeMatrixdARB( const GLdouble *m )
+{
+   GLdouble tm[16];
+   gl_matrix_transposed(tm, m);
+   _mesa_MultMatrixd(tm);
+}
+
+
 /*
  * Called via glViewport or display list execution.
  */
diff --git a/src/mesa/main/matrix.h b/src/mesa/main/matrix.h
index e8c79e2c595..d0fcdabb627 100644
--- a/src/mesa/main/matrix.h
+++ b/src/mesa/main/matrix.h
@@ -1,4 +1,4 @@
-/* $Id: matrix.h,v 1.4 1999/11/12 18:10:47 brianp Exp $ */
+/* $Id: matrix.h,v 1.5 1999/12/10 20:01:06 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -46,6 +46,11 @@ typedef struct {
 #endif
 
 
+extern void gl_matrix_transposef( GLfloat to[16], const GLfloat from[16] );
+
+extern void gl_matrix_transposed( GLdouble to[16], const GLdouble from[16] );
+
+
 extern void gl_rotation_matrix( GLfloat angle, GLfloat x, GLfloat y, GLfloat z,
                                 GLfloat m[] );
 
@@ -56,14 +61,14 @@ extern void gl_mat_mul_mat( GLmatrix *mat, const GLmatrix *mat2 );
 
 extern void gl_calculate_model_project_matrix( GLcontext *ctx );
 
+extern void gl_matrix_copy( GLmatrix *to, const GLmatrix *from );
+
 extern void gl_matrix_ctr( GLmatrix *m );
 
 extern void gl_matrix_dtr( GLmatrix *m );
 
 extern void gl_matrix_alloc_inv( GLmatrix *m );
 
-extern void gl_matrix_copy( GLmatrix *to, const GLmatrix *from );
-
 extern void gl_matrix_mul( GLmatrix *dest, 
 			   const GLmatrix *a, 
 			   const GLmatrix *b );
@@ -129,6 +134,18 @@ extern void
 _mesa_Translated( GLdouble x, GLdouble y, GLdouble z );
 
 extern void
+_mesa_LoadTransposeMatrixfARB( const GLfloat *m );
+
+extern void
+_mesa_LoadTransposeMatrixdARB( const GLdouble *m );
+
+extern void
+_mesa_MultTransposeMatrixfARB( const GLfloat *m );
+
+extern void
+_mesa_MultTransposeMatrixdARB( const GLdouble *m );
+
+extern void
 _mesa_Viewport( GLint x, GLint y, GLsizei width, GLsizei height );
 
 extern void