diff options
| -rw-r--r-- | src/mesa/swrast/s_buffers.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/src/mesa/swrast/s_buffers.c b/src/mesa/swrast/s_buffers.c index 0174069922..bb85ee5777 100644 --- a/src/mesa/swrast/s_buffers.c +++ b/src/mesa/swrast/s_buffers.c @@ -47,22 +47,41 @@ clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb) const GLint y = ctx->DrawBuffer->_Ymin; const GLint height = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin; const GLint width = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin; - GLchan clearColor[4]; SWspan span; GLint i; ASSERT(ctx->Visual.rgbMode); ASSERT(rb->PutRow); - CLAMPED_FLOAT_TO_CHAN(clearColor[RCOMP], ctx->Color.ClearColor[0]); - CLAMPED_FLOAT_TO_CHAN(clearColor[GCOMP], ctx->Color.ClearColor[1]); - CLAMPED_FLOAT_TO_CHAN(clearColor[BCOMP], ctx->Color.ClearColor[2]); - CLAMPED_FLOAT_TO_CHAN(clearColor[ACOMP], ctx->Color.ClearColor[3]); - /* Initialize color span with clear color */ + /* XXX optimize for clearcolor == black/zero (bzero) */ INIT_SPAN(span, GL_BITMAP, width, 0, SPAN_RGBA); - for (i = 0; i < width; i++) { - COPY_CHAN4(span.array->rgba[i], clearColor); + span.array->ChanType = rb->DataType; + if (span.array->ChanType == GL_UNSIGNED_BYTE) { + GLubyte clearColor[4]; + UNCLAMPED_FLOAT_TO_UBYTE(clearColor[RCOMP], ctx->Color.ClearColor[0]); + UNCLAMPED_FLOAT_TO_UBYTE(clearColor[GCOMP], ctx->Color.ClearColor[1]); + UNCLAMPED_FLOAT_TO_UBYTE(clearColor[BCOMP], ctx->Color.ClearColor[2]); + UNCLAMPED_FLOAT_TO_UBYTE(clearColor[ACOMP], ctx->Color.ClearColor[3]); + for (i = 0; i < width; i++) { + COPY_4UBV(span.array->rgba[i], clearColor); + } + } + else if (span.array->ChanType == GL_UNSIGNED_SHORT) { + GLushort clearColor[4]; + UNCLAMPED_FLOAT_TO_USHORT(clearColor[RCOMP], ctx->Color.ClearColor[0]); + UNCLAMPED_FLOAT_TO_USHORT(clearColor[GCOMP], ctx->Color.ClearColor[1]); + UNCLAMPED_FLOAT_TO_USHORT(clearColor[BCOMP], ctx->Color.ClearColor[2]); + UNCLAMPED_FLOAT_TO_USHORT(clearColor[ACOMP], ctx->Color.ClearColor[3]); + for (i = 0; i < width; i++) { + COPY_4V(span.array->rgba[i], clearColor); + } + } + else { + ASSERT(span.array->ChanType == GL_FLOAT); + for (i = 0; i < width; i++) { + COPY_4V(span.array->rgba[i], ctx->Color.ClearColor); + } } /* Note that masking will change the color values, but only the |