gl_array_object encapsulates a set of vertex arrays (see the
GL_APPLE_vertex_array_object extension).
Create a private gl_array_object for drawing the quad for intel_clear_tris()
so we don't have to worry about the user's vertex array state.
This fixes the no-op glClear bug #21638 and removes the need to call
_mesa_PushClientAttrib() and _mesa_PopClientAttrib().
Don't really delete vertex array objects until the refcount hits zero.
At that time, unbind any pointers to VBOs.
(cherry picked from commit 32b851c807)
For non-stereo visuals, which is all we support, we treat
GL_FRONT_LEFT as GL_FRONT. However, they are technically different,
and they have different enum values. Test for either one to determine
if we're in front-buffer rendering mode.
This fix was suggested by Pierre Willenbrock.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
(cherry picked from commit 2085cf2462)
The current texture for any particular texture unit is given an additional
reference in update_texture_state(); but if the context is closed before
that texture can be released (which is quite frequent in normal use, unless
a program unbinds and deletes the texture and renders without it to force
a call to update_texture_state(), the memory is lost.
This affects general Mesa; but the i965 is particularly affected because
it allocates a considerable amount of additional memory for each allocated
texture.
(cherry picked from master, commit c230767d69)
The src/dest x,y, and w,h arguments of the pipe->surface_copy
function are unsigned and the drivers aren't expecting negative
(or extremly-large unsigned) values as inputs. Trim the requests
at the state-tracker level before passing down.
Add a new flag mvp_with_dp4 in the context, and use that to switch
both ffvertex.c and programopt.c vertex transformation code to
either DP4 or MUL/MAD implementations.
This is a quick fix for z fighting in quake4 caused by the mismatch
between vertex transformation here and in the position_invarient code.
Full fix would be to make this driver-tunable and adjust both
position_invarient and ffvertex_prog.c code to respect driver
preferences.
Add a dummy function which exists only so that tgsi_text_translate()
doesn't get magic-ed out of the libtgsi.a archive by the build system.
Don't remove unless you know this has been fixed - check on
mingw/scons builds as well.
Previously we created the pipe_surface during framebuffer validation.
But if we did a glCopyTex[Sub]Image() before anything else we wouldn't yet
have the surface. This fixes that.
