diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/dri/common/stenciltmp.h')
-rw-r--r-- | mesalib/src/mesa/drivers/dri/common/stenciltmp.h | 431 |
1 files changed, 186 insertions, 245 deletions
diff --git a/mesalib/src/mesa/drivers/dri/common/stenciltmp.h b/mesalib/src/mesa/drivers/dri/common/stenciltmp.h index 2ea2e207a..950d3c4df 100644 --- a/mesalib/src/mesa/drivers/dri/common/stenciltmp.h +++ b/mesalib/src/mesa/drivers/dri/common/stenciltmp.h @@ -1,245 +1,186 @@ -
-#include "spantmp_common.h"
-
-#ifndef DBG
-#define DBG 0
-#endif
-
-#ifndef HAVE_HW_STENCIL_SPANS
-#define HAVE_HW_STENCIL_SPANS 0
-#endif
-
-#ifndef HAVE_HW_STENCIL_PIXELS
-#define HAVE_HW_STENCIL_PIXELS 0
-#endif
-
-static void TAG(WriteStencilSpan)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- const void *values, const GLubyte mask[] )
-{
- HW_WRITE_LOCK()
- {
- const GLubyte *stencil = (const GLubyte *) values;
- GLint x1;
- GLint n1;
- LOCAL_STENCIL_VARS;
-
- y = Y_FLIP(y);
-
-#if HAVE_HW_STENCIL_SPANS
- (void) x1; (void) n1;
-
- if (DBG) fprintf(stderr, "WriteStencilSpan 0..%d (x1 %d)\n",
- (int)n1, (int)x1);
-
- WRITE_STENCIL_SPAN();
-#else /* HAVE_HW_STENCIL_SPANS */
- HW_CLIPLOOP()
- {
- GLint i = 0;
- CLIPSPAN(x,y,n,x1,n1,i);
-
- if (DBG) fprintf(stderr, "WriteStencilSpan %d..%d (x1 %d)\n",
- (int)i, (int)n1, (int)x1);
-
- if (mask)
- {
- for (;n1>0;i++,x1++,n1--)
- if (mask[i])
- WRITE_STENCIL( x1, y, stencil[i] );
- }
- else
- {
- for (;n1>0;i++,x1++,n1--)
- WRITE_STENCIL( x1, y, stencil[i] );
- }
- }
- HW_ENDCLIPLOOP();
-#endif /* !HAVE_HW_STENCIL_SPANS */
- }
- HW_WRITE_UNLOCK();
-}
-
-#if HAVE_HW_STENCIL_SPANS
-/* implement MonoWriteDepthSpan() in terms of WriteDepthSpan() */
-static void
-TAG(WriteMonoStencilSpan)( struct gl_context *ctx, struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- const void *value, const GLubyte mask[] )
-{
- const GLuint stenVal = *((GLuint *) value);
- GLuint stens[MAX_WIDTH];
- GLuint i;
- for (i = 0; i < n; i++)
- stens[i] = stenVal;
- TAG(WriteStencilSpan)(ctx, rb, n, x, y, stens, mask);
-}
-#else /* HAVE_HW_STENCIL_SPANS */
-static void TAG(WriteMonoStencilSpan)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- const void *value,
- const GLubyte mask[] )
-{
- HW_WRITE_LOCK()
- {
- const GLubyte stencil = *((const GLubyte *) value);
- GLint x1;
- GLint n1;
- LOCAL_STENCIL_VARS;
-
- y = Y_FLIP(y);
-
- HW_CLIPLOOP()
- {
- GLint i = 0;
- CLIPSPAN(x,y,n,x1,n1,i);
-
- if (DBG) fprintf(stderr, "WriteStencilSpan %d..%d (x1 %d)\n",
- (int)i, (int)n1, (int)x1);
-
- if (mask)
- {
- for (;n1>0;i++,x1++,n1--)
- if (mask[i])
- WRITE_STENCIL( x1, y, stencil );
- }
- else
- {
- for (;n1>0;i++,x1++,n1--)
- WRITE_STENCIL( x1, y, stencil );
- }
- }
- HW_ENDCLIPLOOP();
- }
- HW_WRITE_UNLOCK();
-}
-#endif /* !HAVE_HW_STENCIL_SPANS */
-
-
-static void TAG(WriteStencilPixels)( 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 GLubyte *stencil = (const GLubyte *) values;
- GLuint i;
- LOCAL_STENCIL_VARS;
-
- if (DBG) fprintf(stderr, "WriteStencilPixels\n");
-
-#if HAVE_HW_STENCIL_PIXELS
- (void) i;
-
- WRITE_STENCIL_PIXELS();
-#else /* HAVE_HW_STENCIL_PIXELS */
- HW_CLIPLOOP()
- {
- for (i=0;i<n;i++)
- {
- if (mask[i]) {
- const int fy = Y_FLIP(y[i]);
- if (CLIPPIXEL(x[i],fy))
- WRITE_STENCIL( x[i], fy, stencil[i] );
- }
- }
- }
- HW_ENDCLIPLOOP();
-#endif /* !HAVE_HW_STENCIL_PIXELS */
- }
- HW_WRITE_UNLOCK();
-}
-
-
-/* Read stencil spans and pixels
- */
-static void TAG(ReadStencilSpan)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- void *values)
-{
- HW_READ_LOCK()
- {
- GLubyte *stencil = (GLubyte *) values;
- GLint x1,n1;
- LOCAL_STENCIL_VARS;
-
- y = Y_FLIP(y);
-
- if (DBG) fprintf(stderr, "ReadStencilSpan\n");
-
-#if HAVE_HW_STENCIL_SPANS
- (void) x1; (void) n1;
-
- READ_STENCIL_SPAN();
-#else /* HAVE_HW_STENCIL_SPANS */
- HW_CLIPLOOP()
- {
- GLint i = 0;
- CLIPSPAN(x,y,n,x1,n1,i);
- for (;n1>0;i++,n1--)
- READ_STENCIL( stencil[i], (x+i), y );
- }
- HW_ENDCLIPLOOP();
-#endif /* !HAVE_HW_STENCIL_SPANS */
- }
- HW_READ_UNLOCK();
-}
-
-static void TAG(ReadStencilPixels)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n, const GLint x[], const GLint y[],
- void *values )
-{
- HW_READ_LOCK()
- {
- GLubyte *stencil = (GLubyte *) values;
- GLuint i;
- LOCAL_STENCIL_VARS;
-
- if (DBG) fprintf(stderr, "ReadStencilPixels\n");
-
-#if HAVE_HW_STENCIL_PIXELS
- (void) i;
-
- READ_STENCIL_PIXELS();
-#else /* HAVE_HW_STENCIL_PIXELS */
- HW_CLIPLOOP()
- {
- for (i=0;i<n;i++) {
- int fy = Y_FLIP( y[i] );
- if (CLIPPIXEL( x[i], fy ))
- READ_STENCIL( stencil[i], x[i], fy );
- }
- }
- HW_ENDCLIPLOOP();
-#endif /* !HAVE_HW_STENCIL_PIXELS */
- }
- HW_READ_UNLOCK();
-}
-
-
-
-/**
- * Initialize the given renderbuffer's span routines to point to
- * the stencil functions we generated above.
- */
-static void TAG(InitStencilPointers)(struct gl_renderbuffer *rb)
-{
- rb->GetRow = TAG(ReadStencilSpan);
- rb->GetValues = TAG(ReadStencilPixels);
- rb->PutRow = TAG(WriteStencilSpan);
- rb->PutRowRGB = NULL;
- rb->PutMonoRow = TAG(WriteMonoStencilSpan);
- rb->PutValues = TAG(WriteStencilPixels);
- rb->PutMonoValues = NULL;
-}
-
-
-#undef WRITE_STENCIL
-#undef READ_STENCIL
-#undef TAG
+ +#include "spantmp_common.h" + +#ifndef DBG +#define DBG 0 +#endif + +#ifndef HAVE_HW_STENCIL_SPANS +#define HAVE_HW_STENCIL_SPANS 0 +#endif + +#ifndef HAVE_HW_STENCIL_PIXELS +#define HAVE_HW_STENCIL_PIXELS 0 +#endif + +static void TAG(WriteStencilSpan)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, const GLubyte mask[] ) +{ + HW_WRITE_LOCK() + { + const GLubyte *stencil = (const GLubyte *) values; + GLint x1; + GLint n1; + LOCAL_STENCIL_VARS; + + y = Y_FLIP(y); + +#if HAVE_HW_STENCIL_SPANS + (void) x1; (void) n1; + + if (DBG) fprintf(stderr, "WriteStencilSpan 0..%d (x1 %d)\n", + (int)n1, (int)x1); + + WRITE_STENCIL_SPAN(); +#else /* HAVE_HW_STENCIL_SPANS */ + HW_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN(x,y,n,x1,n1,i); + + if (DBG) fprintf(stderr, "WriteStencilSpan %d..%d (x1 %d)\n", + (int)i, (int)n1, (int)x1); + + if (mask) + { + for (;n1>0;i++,x1++,n1--) + if (mask[i]) + WRITE_STENCIL( x1, y, stencil[i] ); + } + else + { + for (;n1>0;i++,x1++,n1--) + WRITE_STENCIL( x1, y, stencil[i] ); + } + } + HW_ENDCLIPLOOP(); +#endif /* !HAVE_HW_STENCIL_SPANS */ + } + HW_WRITE_UNLOCK(); +} + + +static void TAG(WriteStencilPixels)( 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 GLubyte *stencil = (const GLubyte *) values; + GLuint i; + LOCAL_STENCIL_VARS; + + if (DBG) fprintf(stderr, "WriteStencilPixels\n"); + +#if HAVE_HW_STENCIL_PIXELS + (void) i; + + WRITE_STENCIL_PIXELS(); +#else /* HAVE_HW_STENCIL_PIXELS */ + HW_CLIPLOOP() + { + for (i=0;i<n;i++) + { + if (mask[i]) { + const int fy = Y_FLIP(y[i]); + if (CLIPPIXEL(x[i],fy)) + WRITE_STENCIL( x[i], fy, stencil[i] ); + } + } + } + HW_ENDCLIPLOOP(); +#endif /* !HAVE_HW_STENCIL_PIXELS */ + } + HW_WRITE_UNLOCK(); +} + + +/* Read stencil spans and pixels + */ +static void TAG(ReadStencilSpan)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + void *values) +{ + HW_READ_LOCK() + { + GLubyte *stencil = (GLubyte *) values; + GLint x1,n1; + LOCAL_STENCIL_VARS; + + y = Y_FLIP(y); + + if (DBG) fprintf(stderr, "ReadStencilSpan\n"); + +#if HAVE_HW_STENCIL_SPANS + (void) x1; (void) n1; + + READ_STENCIL_SPAN(); +#else /* HAVE_HW_STENCIL_SPANS */ + HW_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN(x,y,n,x1,n1,i); + for (;n1>0;i++,n1--) + READ_STENCIL( stencil[i], (x+i), y ); + } + HW_ENDCLIPLOOP(); +#endif /* !HAVE_HW_STENCIL_SPANS */ + } + HW_READ_UNLOCK(); +} + +static void TAG(ReadStencilPixels)( struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], + void *values ) +{ + HW_READ_LOCK() + { + GLubyte *stencil = (GLubyte *) values; + GLuint i; + LOCAL_STENCIL_VARS; + + if (DBG) fprintf(stderr, "ReadStencilPixels\n"); + +#if HAVE_HW_STENCIL_PIXELS + (void) i; + + READ_STENCIL_PIXELS(); +#else /* HAVE_HW_STENCIL_PIXELS */ + HW_CLIPLOOP() + { + for (i=0;i<n;i++) { + int fy = Y_FLIP( y[i] ); + if (CLIPPIXEL( x[i], fy )) + READ_STENCIL( stencil[i], x[i], fy ); + } + } + HW_ENDCLIPLOOP(); +#endif /* !HAVE_HW_STENCIL_PIXELS */ + } + HW_READ_UNLOCK(); +} + + + +/** + * Initialize the given renderbuffer's span routines to point to + * the stencil functions we generated above. + */ +static void TAG(InitStencilPointers)(struct gl_renderbuffer *rb) +{ + rb->GetRow = TAG(ReadStencilSpan); + rb->GetValues = TAG(ReadStencilPixels); + rb->PutRow = TAG(WriteStencilSpan); + rb->PutValues = TAG(WriteStencilPixels); +} + + +#undef WRITE_STENCIL +#undef READ_STENCIL +#undef TAG |