diff options
Diffstat (limited to 'src/mesa/drivers/dri/common/depthtmp.h')
| -rw-r--r-- | src/mesa/drivers/dri/common/depthtmp.h | 55 |
1 files changed, 45 insertions, 10 deletions
diff --git a/src/mesa/drivers/dri/common/depthtmp.h b/src/mesa/drivers/dri/common/depthtmp.h index ad26e6b891..74273165e4 100644 --- a/src/mesa/drivers/dri/common/depthtmp.h +++ b/src/mesa/drivers/dri/common/depthtmp.h @@ -1,5 +1,13 @@ /* $XFree86: xc/lib/GL/mesa/src/drv/common/depthtmp.h,v 1.5 2001/03/21 16:14:20 dawes Exp $ */ +/* + * 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. + */ + + #ifndef DBG #define DBG 0 #endif @@ -20,12 +28,14 @@ #endif static void TAG(WriteDepthSpan)( GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLdepth *depth, + struct gl_renderbuffer *rb, + GLuint n, GLint x, GLint y, + const void *values, const GLubyte mask[] ) { HW_WRITE_LOCK() { + const GLuint *depth = (const GLuint *) values; GLint x1; GLint n1; LOCAL_DEPTH_VARS; @@ -64,14 +74,31 @@ static void TAG(WriteDepthSpan)( GLcontext *ctx, HW_WRITE_UNLOCK(); } -#if !HAVE_HW_DEPTH_SPANS + +#if HAVE_HW_DEPTH_SPANS +/* implement MonoWriteDepthSpan() in terms of WriteDepthSpan() */ +static void +TAG(WriteMonoDepthSpan)( GLcontext *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)( GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLdepth depth, - const GLubyte mask[] ) + 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; @@ -102,15 +129,18 @@ static void TAG(WriteMonoDepthSpan)( GLcontext *ctx, } #endif + static void TAG(WriteDepthPixels)( GLcontext *ctx, + struct gl_renderbuffer *rb, GLuint n, const GLint x[], const GLint y[], - const GLdepth depth[], + const void *values, const GLubyte mask[] ) { HW_WRITE_LOCK() { + const GLuint *depth = (const GLuint *) values; GLuint i; LOCAL_DEPTH_VARS; @@ -141,11 +171,13 @@ static void TAG(WriteDepthPixels)( GLcontext *ctx, /* Read depth spans and pixels */ static void TAG(ReadDepthSpan)( GLcontext *ctx, + struct gl_renderbuffer *rb, GLuint n, GLint x, GLint y, - GLdepth depth[] ) + void *values ) { HW_READ_LOCK() { + GLuint *depth = (GLuint *) values; GLint x1, n1; LOCAL_DEPTH_VARS; @@ -172,12 +204,15 @@ static void TAG(ReadDepthSpan)( GLcontext *ctx, HW_READ_UNLOCK(); } -static void TAG(ReadDepthPixels)( GLcontext *ctx, GLuint n, +static void TAG(ReadDepthPixels)( GLcontext *ctx, + struct gl_renderbuffer *rb, + GLuint n, const GLint x[], const GLint y[], - GLdepth depth[] ) + void *values ) { HW_READ_LOCK() { + GLuint *depth = (GLuint *) values; GLuint i; LOCAL_DEPTH_VARS; |