static void
intel_viewport(struct gl_context *ctx)
{
struct brw_context *brw = brw_context(ctx);
__DRIcontext *driContext = brw->driContext;
if (_mesa_is_winsys_fbo(ctx->DrawBuffer)) {
dri2InvalidateDrawable(driContext->driDrawablePriv);
dri2InvalidateDrawable(driContext->driReadablePriv);
}
}
void
intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
{
struct intel_context *intel = intel_context(ctx);
__DRIcontext *driContext = intel->driContext;
if (!intel->using_dri2_swapbuffers &&
!intel->meta.internal_viewport_call && ctx->DrawBuffer->Name == 0) {
dri2InvalidateDrawable(driContext->driDrawablePriv);
dri2InvalidateDrawable(driContext->driReadablePriv);
}
}
static void
intel_noninvalidate_viewport(struct gl_context *ctx)
{
struct intel_context *intel = intel_context(ctx);
__DRIcontext *driContext = intel->driContext;
intelCalcViewport(ctx);
if (_mesa_is_winsys_fbo(ctx->DrawBuffer)) {
dri2InvalidateDrawable(driContext->driDrawablePriv);
dri2InvalidateDrawable(driContext->driReadablePriv);
}
}
static void
intel_viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
{
struct intel_context *intel = intel_context(ctx);
__DRIcontext *driContext = intel->driContext;
if (intel->saved_viewport)
intel->saved_viewport(ctx, x, y, w, h);
if (_mesa_is_winsys_fbo(ctx->DrawBuffer)) {
dri2InvalidateDrawable(driContext->driDrawablePriv);
dri2InvalidateDrawable(driContext->driReadablePriv);
}
}
static void
intelReadBuffer(struct gl_context * ctx, GLenum mode)
{
if ((ctx->DrawBuffer != NULL) && (ctx->DrawBuffer->Name == 0)) {
struct intel_context *const intel = intel_context(ctx);
const GLboolean was_front_buffer_reading =
intel->is_front_buffer_reading;
intel->is_front_buffer_reading = (mode == GL_FRONT_LEFT)
|| (mode == GL_FRONT);
/* If we weren't front-buffer reading before but we are now,
* invalidate our DRI drawable so we'll ask for new buffers
* (including the fake front) before we start reading again.
*/
if (!was_front_buffer_reading && intel->is_front_buffer_reading)
dri2InvalidateDrawable(intel->driContext->driReadablePriv);
}
if (ctx->ReadBuffer == ctx->DrawBuffer) {
/* This will update FBO completeness status.
* A framebuffer will be incomplete if the GL_READ_BUFFER setting
* refers to a missing renderbuffer. Calling glReadBuffer can set
* that straight and can make the drawing buffer complete.
*/
intel_draw_buffer(ctx, ctx->DrawBuffer);
}
/* Generally, functions which read pixels (glReadPixels, glCopyPixels, etc)
* reference ctx->ReadBuffer and do appropriate state checks.
*/
}
static void
dri2_invalidate_drawable(__DRIdrawable *dPriv)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
dri2InvalidateDrawable(dPriv);
drawable->dPriv->lastStamp = drawable->dPriv->dri2.stamp;
p_atomic_inc(&drawable->base.stamp);
}
static void
dri2_invalidate_drawable(__DRIdrawable *dPriv)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
struct dri_context *ctx = drawable->context;
dri2InvalidateDrawable(dPriv);
drawable->dPriv->lastStamp = *drawable->dPriv->pStamp;
if (ctx)
ctx->st->notify_invalid_framebuffer(ctx->st, &drawable->base);
}
static void
intelReadBuffer(struct gl_context * ctx, GLenum mode)
{
if (brw_is_front_buffer_reading(ctx->ReadBuffer)) {
struct brw_context *const brw = brw_context(ctx);
/* If we might be front-buffer reading on this buffer for the first
* time, invalidate our DRI drawable so we'll ask for new buffers
* (including the fake front) before we start reading again.
*/
dri2InvalidateDrawable(brw->driContext->driReadablePriv);
}
}
static void
intelReadBuffer(struct gl_context * ctx, GLenum mode)
{
if ((ctx->DrawBuffer != NULL) && (ctx->DrawBuffer->Name == 0)) {
struct intel_context *const intel = intel_context(ctx);
const bool was_front_buffer_reading =
intel->is_front_buffer_reading;
intel->is_front_buffer_reading = (mode == GL_FRONT_LEFT)
|| (mode == GL_FRONT);
/* If we weren't front-buffer reading before but we are now,
* invalidate our DRI drawable so we'll ask for new buffers
* (including the fake front) before we start reading again.
*/
if (!was_front_buffer_reading && intel->is_front_buffer_reading)
dri2InvalidateDrawable(intel->driContext->driReadablePriv);
}
}
static void
intelDrawBuffer(struct gl_context * ctx, GLenum mode)
{
if (ctx->DrawBuffer && _mesa_is_winsys_fbo(ctx->DrawBuffer)) {
struct intel_context *const intel = intel_context(ctx);
const bool was_front_buffer_rendering =
intel->is_front_buffer_rendering;
intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT)
|| (mode == GL_FRONT) || (mode == GL_FRONT_AND_BACK);
/* If we weren't front-buffer rendering before but we are now,
* invalidate our DRI drawable so we'll ask for new buffers
* (including the fake front) before we start rendering again.
*/
if (!was_front_buffer_rendering && intel->is_front_buffer_rendering)
dri2InvalidateDrawable(intel->driContext->driDrawablePriv);
}
intel_draw_buffer(ctx);
}