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nv2a: Add state flushing to PGRAPH

This commit is contained in:
Matt Borgerson 2020-06-17 16:29:15 -07:00 committed by mborgerson
parent 0673010e54
commit c9cf9a9972
2 changed files with 22 additions and 1 deletions
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2
hw/xbox/nv2a/nv2a_int.h
View File

@ -266,7 +266,7 @@ typedef struct PGRAPHState {
bool waiting_for_flip;
bool waiting_for_fifo_access;
bool waiting_for_context_switch;
bool flush_pending;
} PGRAPHState;
typedef struct NV2AState {

21
hw/xbox/nv2a/nv2a_pgraph.c
View File

@ -475,6 +475,22 @@ void pgraph_write(void *opaque, hwaddr addr, uint64_t val, unsigned int size)
qemu_mutex_unlock(&d->pfifo.lock);
}
static void pgraph_flush(NV2AState *d)
{
PGRAPHState *pg = &d->pgraph;
// Clear last surface shape to force recreation of buffers at next draw
pg->surface_color.draw_dirty = false;
pg->surface_zeta.draw_dirty = false;
memset(&pg->last_surface_shape, 0, sizeof(pg->last_surface_shape));
// Sync all RAM
glBindBuffer(GL_ARRAY_BUFFER, d->pgraph.gl_memory_buffer);
glBufferSubData(GL_ARRAY_BUFFER, 0, memory_region_size(d->vram), d->vram_ptr);
// FIXME: Flush more?
}
/* If NV097_FLIP_STALL was executed, check if the flip has completed.
* This will usually happen in the VSYNC interrupt handler.
*/
@ -506,6 +522,11 @@ static void pgraph_method(NV2AState *d,
PGRAPHState *pg = &d->pgraph;
if (pg->flush_pending) {
pgraph_flush(d);
pg->flush_pending = false;
}
bool channel_valid =
d->pgraph.regs[NV_PGRAPH_CTX_CONTROL] & NV_PGRAPH_CTX_CONTROL_CHID;
assert(channel_valid);