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-rw-r--r--src/mesa/main/rastpos.c238
1 files changed, 237 insertions, 1 deletions
diff --git a/src/mesa/main/rastpos.c b/src/mesa/main/rastpos.c
index 958cf23bfb..adc81ed478 100644
--- a/src/mesa/main/rastpos.c
+++ b/src/mesa/main/rastpos.c
@@ -1,4 +1,4 @@
-/* $Id: rastpos.c,v 1.25 2001/05/30 15:22:04 brianp Exp $ */
+/* $Id: rastpos.c,v 1.26 2001/06/18 17:26:08 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -482,3 +482,239 @@ _mesa_RasterPos4sv(const GLshort *v)
{
_mesa_RasterPos4f(v[0], v[1], v[2], v[3]);
}
+
+
+
+/**********************************************************************/
+/*** GL_MESA_window_pos ***/
+/**********************************************************************/
+
+
+/*
+ * This is a MESA extension function. Pretty much just like glRasterPos
+ * except we don't apply the modelview or projection matrices; specify a
+ * window coordinate directly.
+ * Caller: context->API.WindowPos4fMESA pointer.
+ */
+void
+_mesa_WindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ FLUSH_CURRENT(ctx, 0);
+
+ /* set raster position */
+ ctx->Current.RasterPos[0] = x;
+ ctx->Current.RasterPos[1] = y;
+ ctx->Current.RasterPos[2] = CLAMP( z, 0.0F, 1.0F );
+ ctx->Current.RasterPos[3] = w;
+
+ ctx->Current.RasterPosValid = GL_TRUE;
+ ctx->Current.RasterDistance = 0.0F;
+ ctx->Current.RasterFogCoord = 0.0F;
+
+ /* raster color = current color or index */
+ if (ctx->Visual.rgbMode) {
+ ctx->Current.RasterColor[0] = (ctx->Current.Color[0]);
+ ctx->Current.RasterColor[1] = (ctx->Current.Color[1]);
+ ctx->Current.RasterColor[2] = (ctx->Current.Color[2]);
+ ctx->Current.RasterColor[3] = (ctx->Current.Color[3]);
+ }
+ else {
+ ctx->Current.RasterIndex = ctx->Current.Index;
+ }
+
+ /* raster texcoord = current texcoord */
+ {
+ GLuint texSet;
+ for (texSet = 0; texSet < ctx->Const.MaxTextureUnits; texSet++) {
+ COPY_4FV( ctx->Current.RasterMultiTexCoord[texSet],
+ ctx->Current.Texcoord[texSet] );
+ }
+ }
+
+ if (ctx->RenderMode==GL_SELECT) {
+ _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
+ }
+}
+
+
+
+
+void
+_mesa_WindowPos2dMESA(GLdouble x, GLdouble y)
+{
+ _mesa_WindowPos4fMESA(x, y, 0.0F, 1.0F);
+}
+
+void
+_mesa_WindowPos2fMESA(GLfloat x, GLfloat y)
+{
+ _mesa_WindowPos4fMESA(x, y, 0.0F, 1.0F);
+}
+
+void
+_mesa_WindowPos2iMESA(GLint x, GLint y)
+{
+ _mesa_WindowPos4fMESA(x, y, 0.0F, 1.0F);
+}
+
+void
+_mesa_WindowPos2sMESA(GLshort x, GLshort y)
+{
+ _mesa_WindowPos4fMESA(x, y, 0.0F, 1.0F);
+}
+
+void
+_mesa_WindowPos3dMESA(GLdouble x, GLdouble y, GLdouble z)
+{
+ _mesa_WindowPos4fMESA(x, y, z, 1.0F);
+}
+
+void
+_mesa_WindowPos3fMESA(GLfloat x, GLfloat y, GLfloat z)
+{
+ _mesa_WindowPos4fMESA(x, y, z, 1.0F);
+}
+
+void
+_mesa_WindowPos3iMESA(GLint x, GLint y, GLint z)
+{
+ _mesa_WindowPos4fMESA(x, y, z, 1.0F);
+}
+
+void
+_mesa_WindowPos3sMESA(GLshort x, GLshort y, GLshort z)
+{
+ _mesa_WindowPos4fMESA(x, y, z, 1.0F);
+}
+
+void
+_mesa_WindowPos4dMESA(GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+ _mesa_WindowPos4fMESA(x, y, z, w);
+}
+
+void
+_mesa_WindowPos4iMESA(GLint x, GLint y, GLint z, GLint w)
+{
+ _mesa_WindowPos4fMESA(x, y, z, w);
+}
+
+void
+_mesa_WindowPos4sMESA(GLshort x, GLshort y, GLshort z, GLshort w)
+{
+ _mesa_WindowPos4fMESA(x, y, z, w);
+}
+
+void
+_mesa_WindowPos2dvMESA(const GLdouble *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], 0.0F, 1.0F);
+}
+
+void
+_mesa_WindowPos2fvMESA(const GLfloat *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], 0.0F, 1.0F);
+}
+
+void
+_mesa_WindowPos2ivMESA(const GLint *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], 0.0F, 1.0F);
+}
+
+void
+_mesa_WindowPos2svMESA(const GLshort *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], 0.0F, 1.0F);
+}
+
+void
+_mesa_WindowPos3dvMESA(const GLdouble *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], v[2], 1.0F);
+}
+
+void
+_mesa_WindowPos3fvMESA(const GLfloat *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], v[2], 1.0F);
+}
+
+void
+_mesa_WindowPos3ivMESA(const GLint *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], v[2], 1.0F);
+}
+
+void
+_mesa_WindowPos3svMESA(const GLshort *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], v[2], 1.0F);
+}
+
+void
+_mesa_WindowPos4dvMESA(const GLdouble *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], v[2], v[3]);
+}
+
+void
+_mesa_WindowPos4fvMESA(const GLfloat *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], v[2], v[3]);
+}
+
+void
+_mesa_WindowPos4ivMESA(const GLint *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], v[2], v[3]);
+}
+
+void
+_mesa_WindowPos4svMESA(const GLshort *v)
+{
+ _mesa_WindowPos4fMESA(v[0], v[1], v[2], v[3]);
+}
+
+
+
+#if 0
+
+/*
+ * OpenGL implementation of glWindowPos*MESA()
+ */
+void glWindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w )
+{
+ GLfloat fx, fy;
+
+ /* Push current matrix mode and viewport attributes */
+ glPushAttrib( GL_TRANSFORM_BIT | GL_VIEWPORT_BIT );
+
+ /* Setup projection parameters */
+ glMatrixMode( GL_PROJECTION );
+ glPushMatrix();
+ glLoadIdentity();
+ glMatrixMode( GL_MODELVIEW );
+ glPushMatrix();
+ glLoadIdentity();
+
+ glDepthRange( z, z );
+ glViewport( (int) x - 1, (int) y - 1, 2, 2 );
+
+ /* set the raster (window) position */
+ fx = x - (int) x;
+ fy = y - (int) y;
+ glRasterPos4f( fx, fy, 0.0, w );
+
+ /* restore matrices, viewport and matrix mode */
+ glPopMatrix();
+ glMatrixMode( GL_PROJECTION );
+ glPopMatrix();
+
+ glPopAttrib();
+}
+
+#endif