diff options
Diffstat (limited to 'src/mesa/swrast/s_depth.c')
| -rw-r--r-- | src/mesa/swrast/s_depth.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/mesa/swrast/s_depth.c b/src/mesa/swrast/s_depth.c index 42724c72b8e..440c43ffa41 100644 --- a/src/mesa/swrast/s_depth.c +++ b/src/mesa/swrast/s_depth.c @@ -213,7 +213,7 @@ get_z32_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint zbuffer[]) { const GLint w = rb->Width, h = rb->Height; - const GLubyte *map = (const GLubyte *) rb->Data; + const GLubyte *map = _swrast_pixel_address(rb, 0, 0); GLuint i; if (rb->Format == MESA_FORMAT_Z32) { @@ -247,7 +247,7 @@ put_z32_values(struct gl_context *ctx, struct gl_renderbuffer *rb, const GLuint zvalues[], const GLubyte mask[]) { const GLint w = rb->Width, h = rb->Height; - GLubyte *map = (GLubyte *) rb->Data; + GLubyte *map = _swrast_pixel_address(rb, 0, 0); GLuint i; if (rb->Format == MESA_FORMAT_Z32) { @@ -283,7 +283,7 @@ _swrast_depth_test_span(struct gl_context *ctx, SWspan *span) struct gl_framebuffer *fb = ctx->DrawBuffer; struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer; const GLint bpp = _mesa_get_format_bytes(rb->Format); - void *zStart = _swrast_pixel_address(rb, span->x, span->y); + void *zStart; const GLuint count = span->end; const GLuint *fragZ = span->array->z; GLubyte *mask = span->array->mask; @@ -293,6 +293,11 @@ _swrast_depth_test_span(struct gl_context *ctx, SWspan *span) GLuint zBits = _mesa_get_format_bits(rb->Format, GL_DEPTH_BITS); GLboolean ztest16 = GL_FALSE; + if (span->arrayMask & SPAN_XY) + zStart = NULL; + else + zStart = _swrast_pixel_address(rb, span->x, span->y); + if (rb->Format == MESA_FORMAT_Z16 && !(span->arrayMask & SPAN_XY)) { /* directly read/write row of 16-bit Z values */ zBufferVals = zStart; @@ -405,9 +410,7 @@ _swrast_depth_bounds_test( struct gl_context *ctx, SWspan *span ) { struct gl_framebuffer *fb = ctx->DrawBuffer; struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer; - const GLint bpp = _mesa_get_format_bytes(rb->Format); - const GLint rowStride = rb->RowStride * bpp; - GLubyte *zStart = (GLubyte*) rb->Data + span->y * rowStride + span->x * bpp; + GLubyte *zStart; GLuint zMin = (GLuint) (ctx->Depth.BoundsMin * fb->_DepthMaxF + 0.5F); GLuint zMax = (GLuint) (ctx->Depth.BoundsMax * fb->_DepthMaxF + 0.5F); GLubyte *mask = span->array->mask; @@ -417,6 +420,11 @@ _swrast_depth_bounds_test( struct gl_context *ctx, SWspan *span ) GLuint zBufferTemp[MAX_WIDTH]; const GLuint *zBufferVals; + if (span->arrayMask & SPAN_XY) + zStart = NULL; + else + zStart = _swrast_pixel_address(rb, span->x, span->y); + if (rb->Format == MESA_FORMAT_Z32 && !(span->arrayMask & SPAN_XY)) { /* directly access 32-bit values in the depth buffer */ zBufferVals = (const GLuint *) zStart; |