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authormarha <marha@users.sourceforge.net>2011-09-12 08:58:44 +0200
committermarha <marha@users.sourceforge.net>2011-09-12 08:58:44 +0200
commit24a692ce832161d3b794110dd82b1508d38a0887 (patch)
tree388d2fd8dc707763d6ffea7edfa2a6a1410c7c5e /mesalib/src/mesa/drivers/dri/common/depthtmp.h
parentf9cf11136d65f20aab4fb6d5fc3ec3c59185a0b4 (diff)
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git update 12 sep 2011
Diffstat (limited to 'mesalib/src/mesa/drivers/dri/common/depthtmp.h')
-rw-r--r--mesalib/src/mesa/drivers/dri/common/depthtmp.h548
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