From f942dc5522682b70fb05df5b2d5d732bb65e6fe2 Mon Sep 17 00:00:00 2001 From: Patrice Mandin Date: Fri, 16 Feb 2007 20:26:57 +0100 Subject: nouveau: nv10: set clear value for 16 and 24 bits depth --- src/mesa/drivers/dri/nouveau/nv10_state.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/src/mesa/drivers/dri/nouveau/nv10_state.c b/src/mesa/drivers/dri/nouveau/nv10_state.c index 803dd962b59..cc0f5a7220b 100644 --- a/src/mesa/drivers/dri/nouveau/nv10_state.c +++ b/src/mesa/drivers/dri/nouveau/nv10_state.c @@ -121,16 +121,27 @@ static void nv10ClearColor(GLcontext *ctx, const GLfloat color[4]) static void nv10ClearDepth(GLcontext *ctx, GLclampd d) { - /* FIXME: check if 16 or 24/32 bits depth buffer */ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); - nmesa->clear_value=((nmesa->clear_value&0x000000FF)|(((uint32_t)(d*0xFFFFFF))<<8)); + + switch (ctx->DrawBuffer->_DepthBuffer->DepthBits) { + case 16: + nmesa->clear_value = (uint32_t)(d*0x7FFF); + break; + case 24: + nmesa->clear_value = ((nmesa->clear_value&0x000000FF) | + (((uint32_t)(d*0xFFFFFF))<<8)); + break; + } } static void nv10ClearStencil(GLcontext *ctx, GLint s) { - /* FIXME: not valid for 16 bits depth buffer (0 stencil bits) */ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); - nmesa->clear_value=((nmesa->clear_value&0xFFFFFF00)|(s&0x000000FF)); + + if (ctx->DrawBuffer->_DepthBuffer->DepthBits == 24) { + nmesa->clear_value = ((nmesa->clear_value&0xFFFFFF00)| + (s&0x000000FF)); + } } static void nv10ClipPlane(GLcontext *ctx, GLenum plane, const GLfloat *equation) -- cgit v1.2.3