diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/dri/common/depthtmp.h')
-rw-r--r-- | mesalib/src/mesa/drivers/dri/common/depthtmp.h | 548 |
1 files changed, 278 insertions, 270 deletions
diff --git a/mesalib/src/mesa/drivers/dri/common/depthtmp.h b/mesalib/src/mesa/drivers/dri/common/depthtmp.h index 8e751d7b2..c6e2bb75c 100644 --- a/mesalib/src/mesa/drivers/dri/common/depthtmp.h +++ b/mesalib/src/mesa/drivers/dri/common/depthtmp.h @@ -1,270 +1,278 @@ -
-/*
- * Notes:
- * 1. These functions plug into the gl_renderbuffer structure.
- * 2. The 'values' parameter always points to GLuint values, regardless of
- * the actual Z buffer depth.
- */
-
-
-#include "spantmp_common.h"
-
-#ifndef DBG
-#define DBG 0
-#endif
-
-#ifndef HAVE_HW_DEPTH_SPANS
-#define HAVE_HW_DEPTH_SPANS 0
-#endif
-
-#ifndef HAVE_HW_DEPTH_PIXELS
-#define HAVE_HW_DEPTH_PIXELS 0
-#endif
-
-static void TAG(WriteDepthSpan)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- const void *values,
- const GLubyte mask[] )
-{
- HW_WRITE_LOCK()
- {
- const VALUE_TYPE *depth = (const VALUE_TYPE *) values;
- GLint x1;
- GLint n1;
- LOCAL_DEPTH_VARS;
-
- y = Y_FLIP( y );
-
-#if HAVE_HW_DEPTH_SPANS
- (void) x1; (void) n1;
-
- if ( DBG ) fprintf( stderr, "WriteDepthSpan 0..%d (x1 %d)\n",
- (int)n, (int)x );
-
- WRITE_DEPTH_SPAN();
-#else
- HW_CLIPLOOP()
- {
- GLint i = 0;
- CLIPSPAN( x, y, n, x1, n1, i );
-
- if ( DBG ) fprintf( stderr, "WriteDepthSpan %d..%d (x1 %d) (mask %p)\n",
- (int)i, (int)n1, (int)x1, mask );
-
- if ( mask ) {
- for ( ; n1>0 ; i++, x1++, n1-- ) {
- if ( mask[i] ) WRITE_DEPTH( x1, y, depth[i] );
- }
- } else {
- for ( ; n1>0 ; i++, x1++, n1-- ) {
- WRITE_DEPTH( x1, y, depth[i] );
- }
- }
- }
- HW_ENDCLIPLOOP();
-#endif
- }
- HW_WRITE_UNLOCK();
-}
-
-
-#if HAVE_HW_DEPTH_SPANS
-/* implement MonoWriteDepthSpan() in terms of WriteDepthSpan() */
-static void
-TAG(WriteMonoDepthSpan)( struct gl_context *ctx, struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- const void *value, const GLubyte mask[] )
-{
- const GLuint depthVal = *((GLuint *) value);
- GLuint depths[MAX_WIDTH];
- GLuint i;
- for (i = 0; i < n; i++)
- depths[i] = depthVal;
- TAG(WriteDepthSpan)(ctx, rb, n, x, y, depths, mask);
-}
-#else
-static void TAG(WriteMonoDepthSpan)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- const void *value,
- const GLubyte mask[] )
-{
- HW_WRITE_LOCK()
- {
- const GLuint depth = *((GLuint *) value);
- GLint x1;
- GLint n1;
- LOCAL_DEPTH_VARS;
-
- y = Y_FLIP( y );
-
- HW_CLIPLOOP()
- {
- GLint i = 0;
- CLIPSPAN( x, y, n, x1, n1, i );
-
- if ( DBG ) fprintf( stderr, "%s %d..%d (x1 %d) = %u\n",
- __FUNCTION__, (int)i, (int)n1, (int)x1, (GLuint)depth );
-
- if ( mask ) {
- for ( ; n1>0 ; i++, x1++, n1-- ) {
- if ( mask[i] ) WRITE_DEPTH( x1, y, depth );
- }
- } else {
- for ( ; n1>0 ; x1++, n1-- ) {
- WRITE_DEPTH( x1, y, depth );
- }
- }
- }
- HW_ENDCLIPLOOP();
- }
- HW_WRITE_UNLOCK();
-}
-#endif
-
-
-static void TAG(WriteDepthPixels)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n,
- const GLint x[],
- const GLint y[],
- const void *values,
- const GLubyte mask[] )
-{
- HW_WRITE_LOCK()
- {
- const VALUE_TYPE *depth = (const VALUE_TYPE *) values;
- GLuint i;
- LOCAL_DEPTH_VARS;
-
- if ( DBG ) fprintf( stderr, "WriteDepthPixels\n" );
-
-#if HAVE_HW_DEPTH_PIXELS
- (void) i;
-
- WRITE_DEPTH_PIXELS();
-#else
- HW_CLIPLOOP()
- {
- if ( mask ) {
- for ( i = 0 ; i < n ; i++ ) {
- if ( mask[i] ) {
- const int fy = Y_FLIP( y[i] );
- if ( CLIPPIXEL( x[i], fy ) )
- WRITE_DEPTH( x[i], fy, depth[i] );
- }
- }
- }
- else {
- for ( i = 0 ; i < n ; i++ ) {
- const int fy = Y_FLIP( y[i] );
- if ( CLIPPIXEL( x[i], fy ) )
- WRITE_DEPTH( x[i], fy, depth[i] );
- }
- }
- }
- HW_ENDCLIPLOOP();
-#endif
- }
- HW_WRITE_UNLOCK();
-}
-
-
-/* Read depth spans and pixels
- */
-static void TAG(ReadDepthSpan)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- void *values )
-{
- HW_READ_LOCK()
- {
- VALUE_TYPE *depth = (VALUE_TYPE *) values;
- GLint x1, n1;
- LOCAL_DEPTH_VARS;
-
- y = Y_FLIP( y );
-
- if ( DBG ) fprintf( stderr, "ReadDepthSpan\n" );
-
-#if HAVE_HW_DEPTH_SPANS
- (void) x1; (void) n1;
-
- READ_DEPTH_SPAN();
-#else
- HW_CLIPLOOP()
- {
- GLint i = 0;
- CLIPSPAN( x, y, n, x1, n1, i );
- for ( ; n1>0 ; i++, n1-- ) {
- READ_DEPTH( depth[i], x+i, y );
- }
- }
- HW_ENDCLIPLOOP();
-#endif
- }
- HW_READ_UNLOCK();
-}
-
-static void TAG(ReadDepthPixels)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n,
- const GLint x[], const GLint y[],
- void *values )
-{
- HW_READ_LOCK()
- {
- VALUE_TYPE *depth = (VALUE_TYPE *) values;
- GLuint i;
- LOCAL_DEPTH_VARS;
-
- if ( DBG ) fprintf( stderr, "ReadDepthPixels\n" );
-
-#if HAVE_HW_DEPTH_PIXELS
- (void) i;
-
- READ_DEPTH_PIXELS();
-#else
- HW_CLIPLOOP()
- {
- for ( i = 0 ; i < n ;i++ ) {
- int fy = Y_FLIP( y[i] );
- if ( CLIPPIXEL( x[i], fy ) )
- READ_DEPTH( depth[i], x[i], fy );
- }
- }
- HW_ENDCLIPLOOP();
-#endif
- }
- HW_READ_UNLOCK();
-}
-
-
-/**
- * Initialize the given renderbuffer's span routines to point to
- * the depth/z functions we generated above.
- */
-static void TAG(InitDepthPointers)(struct gl_renderbuffer *rb)
-{
- rb->GetRow = TAG(ReadDepthSpan);
- rb->GetValues = TAG(ReadDepthPixels);
- rb->PutRow = TAG(WriteDepthSpan);
- rb->PutRowRGB = NULL;
- rb->PutMonoRow = TAG(WriteMonoDepthSpan);
- rb->PutValues = TAG(WriteDepthPixels);
- rb->PutMonoValues = NULL;
-}
-
-
-#if HAVE_HW_DEPTH_SPANS
-#undef WRITE_DEPTH_SPAN
-#undef WRITE_DEPTH_PIXELS
-#undef READ_DEPTH_SPAN
-#undef READ_DEPTH_PIXELS
-#else
-#undef WRITE_DEPTH
-#undef READ_DEPTH
-#endif
-#undef TAG
-#undef VALUE_TYPE
+ +/* + * Notes: + * 1. These functions plug into the gl_renderbuffer structure. + * 2. The 'values' parameter always points to GLuint values, regardless of + * the actual Z buffer depth. + */ + + +#include "spantmp_common.h" + +#ifndef DBG +#define DBG 0 +#endif + +#ifndef HAVE_HW_DEPTH_SPANS +#define HAVE_HW_DEPTH_SPANS 0 +#endif + +#ifndef HAVE_HW_DEPTH_PIXELS +#define HAVE_HW_DEPTH_PIXELS 0 +#endif + +static void TAG(WriteDepthSpan)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, + const GLubyte mask[] ) +{ + HW_WRITE_LOCK() + { + const VALUE_TYPE *depth = (const VALUE_TYPE *) values; + GLint x1; + GLint n1; + LOCAL_DEPTH_VARS; + + y = Y_FLIP( y ); + +#if HAVE_HW_DEPTH_SPANS + (void) x1; (void) n1; + + if ( DBG ) fprintf( stderr, "WriteDepthSpan 0..%d (x1 %d)\n", + (int)n, (int)x ); + + WRITE_DEPTH_SPAN(); +#else + HW_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN( x, y, n, x1, n1, i ); + + if ( DBG ) fprintf( stderr, "WriteDepthSpan %d..%d (x1 %d) (mask %p)\n", + (int)i, (int)n1, (int)x1, mask ); + + if ( mask ) { + for ( ; n1>0 ; i++, x1++, n1-- ) { + if ( mask[i] ) WRITE_DEPTH( x1, y, depth[i] ); + } + } else { + for ( ; n1>0 ; i++, x1++, n1-- ) { + WRITE_DEPTH( x1, y, depth[i] ); + } + } + } + HW_ENDCLIPLOOP(); +#endif + } + HW_WRITE_UNLOCK(); + + (void) ctx; +} + + +#if HAVE_HW_DEPTH_SPANS +/* implement MonoWriteDepthSpan() in terms of WriteDepthSpan() */ +static void +TAG(WriteMonoDepthSpan)( struct gl_context *ctx, struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *value, const GLubyte mask[] ) +{ + const GLuint depthVal = *((GLuint *) value); + GLuint depths[MAX_WIDTH]; + GLuint i; + for (i = 0; i < n; i++) + depths[i] = depthVal; + TAG(WriteDepthSpan)(ctx, rb, n, x, y, depths, mask); +} +#else +static void TAG(WriteMonoDepthSpan)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *value, + const GLubyte mask[] ) +{ + HW_WRITE_LOCK() + { + const GLuint depth = *((GLuint *) value); + GLint x1; + GLint n1; + LOCAL_DEPTH_VARS; + + y = Y_FLIP( y ); + + HW_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN( x, y, n, x1, n1, i ); + + if ( DBG ) fprintf( stderr, "%s %d..%d (x1 %d) = %u\n", + __FUNCTION__, (int)i, (int)n1, (int)x1, (GLuint)depth ); + + if ( mask ) { + for ( ; n1>0 ; i++, x1++, n1-- ) { + if ( mask[i] ) WRITE_DEPTH( x1, y, depth ); + } + } else { + for ( ; n1>0 ; x1++, n1-- ) { + WRITE_DEPTH( x1, y, depth ); + } + } + } + HW_ENDCLIPLOOP(); + } + HW_WRITE_UNLOCK(); + + (void) ctx; +} +#endif + + +static void TAG(WriteDepthPixels)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, + const GLint x[], + const GLint y[], + const void *values, + const GLubyte mask[] ) +{ + HW_WRITE_LOCK() + { + const VALUE_TYPE *depth = (const VALUE_TYPE *) values; + GLuint i; + LOCAL_DEPTH_VARS; + + if ( DBG ) fprintf( stderr, "WriteDepthPixels\n" ); + +#if HAVE_HW_DEPTH_PIXELS + (void) i; + + WRITE_DEPTH_PIXELS(); +#else + HW_CLIPLOOP() + { + if ( mask ) { + for ( i = 0 ; i < n ; i++ ) { + if ( mask[i] ) { + const int fy = Y_FLIP( y[i] ); + if ( CLIPPIXEL( x[i], fy ) ) + WRITE_DEPTH( x[i], fy, depth[i] ); + } + } + } + else { + for ( i = 0 ; i < n ; i++ ) { + const int fy = Y_FLIP( y[i] ); + if ( CLIPPIXEL( x[i], fy ) ) + WRITE_DEPTH( x[i], fy, depth[i] ); + } + } + } + HW_ENDCLIPLOOP(); +#endif + } + HW_WRITE_UNLOCK(); + + (void) ctx; +} + + +/* Read depth spans and pixels + */ +static void TAG(ReadDepthSpan)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + void *values ) +{ + HW_READ_LOCK() + { + VALUE_TYPE *depth = (VALUE_TYPE *) values; + GLint x1, n1; + LOCAL_DEPTH_VARS; + + y = Y_FLIP( y ); + + if ( DBG ) fprintf( stderr, "ReadDepthSpan\n" ); + +#if HAVE_HW_DEPTH_SPANS + (void) x1; (void) n1; + + READ_DEPTH_SPAN(); +#else + HW_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN( x, y, n, x1, n1, i ); + for ( ; n1>0 ; i++, n1-- ) { + READ_DEPTH( depth[i], x+i, y ); + } + } + HW_ENDCLIPLOOP(); +#endif + } + HW_READ_UNLOCK(); +} + +static void TAG(ReadDepthPixels)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, + const GLint x[], const GLint y[], + void *values ) +{ + HW_READ_LOCK() + { + VALUE_TYPE *depth = (VALUE_TYPE *) values; + GLuint i; + LOCAL_DEPTH_VARS; + + if ( DBG ) fprintf( stderr, "ReadDepthPixels\n" ); + +#if HAVE_HW_DEPTH_PIXELS + (void) i; + + READ_DEPTH_PIXELS(); +#else + HW_CLIPLOOP() + { + for ( i = 0 ; i < n ;i++ ) { + int fy = Y_FLIP( y[i] ); + if ( CLIPPIXEL( x[i], fy ) ) + READ_DEPTH( depth[i], x[i], fy ); + } + } + HW_ENDCLIPLOOP(); +#endif + } + HW_READ_UNLOCK(); + + (void) ctx; +} + + +/** + * Initialize the given renderbuffer's span routines to point to + * the depth/z functions we generated above. + */ +static void TAG(InitDepthPointers)(struct gl_renderbuffer *rb) +{ + rb->GetRow = TAG(ReadDepthSpan); + rb->GetValues = TAG(ReadDepthPixels); + rb->PutRow = TAG(WriteDepthSpan); + rb->PutRowRGB = NULL; + rb->PutMonoRow = TAG(WriteMonoDepthSpan); + rb->PutValues = TAG(WriteDepthPixels); + rb->PutMonoValues = NULL; +} + + +#if HAVE_HW_DEPTH_SPANS +#undef WRITE_DEPTH_SPAN +#undef WRITE_DEPTH_PIXELS +#undef READ_DEPTH_SPAN +#undef READ_DEPTH_PIXELS +#else +#undef WRITE_DEPTH +#undef READ_DEPTH +#endif +#undef TAG +#undef VALUE_TYPE |