mesa: added FLUSH_VERTICES(), more comments

This commit is contained in:
Brian Paul 2009-12-30 21:37:54 -07:00
parent 2be0d77a97
commit 5a0eb89da5

View file

@ -89,6 +89,8 @@ _mesa_EndConditionalRender(void)
{
GET_CURRENT_CONTEXT(ctx);
FLUSH_VERTICES(ctx, 0x0);
if (!ctx->Extensions.NV_conditional_render || !ctx->Query.CondRenderQuery) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glEndConditionalRender()");
return;
@ -103,12 +105,14 @@ _mesa_EndConditionalRender(void)
/**
* This function is called by software rendering commands to determine if
* subsequent drawing commands should be executed or discarded depending
* on the current conditional rendering state.
* Ideally, this check would be implemented by the GPU when doing hardware
* rendering.
* XXX should this function be called via a new driver hook?
* This function is called by software rendering commands (all point,
* line triangle drawing, glClear, glDrawPixels, glCopyPixels, and
* glBitmap, glBlitFramebuffer) to determine if subsequent drawing
* commands should be
* executed or discarded depending on the current conditional
* rendering state. Ideally, this check would be implemented by the
* GPU when doing hardware rendering. XXX should this function be
* called via a new driver hook?
*
* \return GL_TRUE if we should render, GL_FALSE if we should discard
*/