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fix for mga depthbuffer resize

This commit is contained in:
Keith Whitwell 1999-09-04 14:40:49 +00:00
parent da54ffc852
commit 324beb95f3
2 changed files with 42 additions and 31 deletions
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50
src/mesa/main/context.c
View File

@ -1,4 +1,4 @@
/* $Id: context.c,v 1.4 1999/09/02 13:16:17 keithw Exp $ */
/* $Id: context.c,v 1.5 1999/09/04 14:40:49 keithw Exp $ */
/*
* Mesa 3-D graphics library
@ -1293,6 +1293,15 @@ GLcontext *gl_create_context( GLvisual *visual,
ctx->Pixel.DriverReadBuffer = GL_FRONT_LEFT;
}
/* Fill in some driver defaults now.
*/
ctx->Driver.AllocDepthBuffer = gl_alloc_depth_buffer;
ctx->Driver.ReadDepthSpanFloat = gl_read_depth_span_float;
ctx->Driver.ReadDepthSpanInt = gl_read_depth_span_int;
#ifdef PROFILE
init_timings( ctx );
#endif
@ -2173,31 +2182,30 @@ void gl_update_state( GLcontext *ctx )
}
}
/*
* Update Device Driver interface
/* The driver isn't managing the depth buffer.
*/
ctx->Driver.AllocDepthBuffer = gl_alloc_depth_buffer;
if (ctx->Depth.Mask) {
switch (ctx->Depth.Func) {
case GL_LESS:
ctx->Driver.DepthTestSpan = gl_depth_test_span_less;
ctx->Driver.DepthTestPixels = gl_depth_test_pixels_less;
break;
case GL_GREATER:
ctx->Driver.DepthTestSpan = gl_depth_test_span_greater;
ctx->Driver.DepthTestPixels = gl_depth_test_pixels_greater;
break;
default:
if (ctx->Driver.AllocDepthBuffer == gl_alloc_depth_buffer)
{
if (ctx->Depth.Mask) {
switch (ctx->Depth.Func) {
case GL_LESS:
ctx->Driver.DepthTestSpan = gl_depth_test_span_less;
ctx->Driver.DepthTestPixels = gl_depth_test_pixels_less;
break;
case GL_GREATER:
ctx->Driver.DepthTestSpan = gl_depth_test_span_greater;
ctx->Driver.DepthTestPixels = gl_depth_test_pixels_greater;
break;
default:
ctx->Driver.DepthTestSpan = gl_depth_test_span_generic;
ctx->Driver.DepthTestPixels = gl_depth_test_pixels_generic;
}
}
else {
ctx->Driver.DepthTestSpan = gl_depth_test_span_generic;
ctx->Driver.DepthTestPixels = gl_depth_test_pixels_generic;
}
}
else {
ctx->Driver.DepthTestSpan = gl_depth_test_span_generic;
ctx->Driver.DepthTestPixels = gl_depth_test_pixels_generic;
}
ctx->Driver.ReadDepthSpanFloat = gl_read_depth_span_float;
ctx->Driver.ReadDepthSpanInt = gl_read_depth_span_int;
}
if (ctx->NewState & NEW_LIGHTING) {

23
src/mesa/main/dlist.c
View File

@ -1,4 +1,4 @@
/* $Id: dlist.c,v 1.2 1999/08/26 14:50:49 keithw Exp $ */
/* $Id: dlist.c,v 1.3 1999/09/04 14:40:49 keithw Exp $ */
/*
* Mesa 3-D graphics library
@ -271,6 +271,7 @@ union node {
/* Number of nodes of storage needed for each instruction: */
static GLuint InstSize[ OPCODE_END_OF_LIST+1 ];
void mesa_print_display_list( GLuint list );
/**********************************************************************/
@ -2382,14 +2383,9 @@ void gl_compile_cassette( GLcontext *ctx )
return;
}
/* Do some easy optimizations of the cassette. If current value of
* clip volume hint is GL_FASTEST, we are not clipping anyway, so
* don't calculate the bounds. But - they will not be calculated
* later even if the hint is changed, so this is a slightly odd
* behaviour.
/* Do some easy optimizations of the cassette.
*/
if (ctx->Hint.ClipVolumeClipping != GL_FASTEST &&
im->v.Obj.size < 4 &&
if (im->v.Obj.size < 4 &&
im->Count > 15)
{
im->Bounds = (GLfloat (*)[3]) malloc(6 * sizeof(GLfloat));
@ -3063,13 +3059,15 @@ void gl_EndList( GLcontext *ctx )
(void) alloc_instruction( ctx, OPCODE_END_OF_LIST, 0 );
/* Destroy old list, if any */
gl_destroy_list(ctx, ctx->CurrentListNum);
/* Install the list */
HashInsert(ctx->Shared->DisplayList, ctx->CurrentListNum, ctx->CurrentListPtr);
if (MESA_VERBOSE & VERBOSE_DISPLAY_LIST)
mesa_print_display_list(ctx->CurrentListNum);
ctx->CurrentListNum = 0;
ctx->CurrentListPtr = NULL;
ctx->ExecuteFlag = GL_TRUE;
@ -3080,6 +3078,11 @@ void gl_EndList( GLcontext *ctx )
*/
free( ctx->input );
SET_IMMEDIATE( ctx, ctx->VB->IM );
gl_reset_input( ctx );
/* Haven't tracked down why this is needed.
*/
ctx->NewState = ~0;
ctx->API = ctx->Exec; /* Switch the API function pointers */
}