diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv10_state.c | 19 |
1 files 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) |