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r600g: add debug options disabling various copy-buffer-related features

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This will be invaluable for debugging and bug reports.
This commit is contained in:
Marek Olšák 2013-03-05 01:15:45 +01:00
parent 4b69c1a92d
commit e4e655fd11
3 changed files with 11 additions and 2 deletions
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1
src/gallium/drivers/r600/r600_buffer.c
View file

@ -150,6 +150,7 @@ static void *r600_buffer_transfer_map(struct pipe_context *ctx,
}
else if ((usage & PIPE_TRANSFER_DISCARD_RANGE) &&
!(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&
!(rctx->screen->debug_flags & DBG_NO_DISCARD_RANGE) &&
(rctx->screen->has_cp_dma ||
(rctx->screen->has_streamout &&
/* The buffer range must be aligned to 4 with streamout. */

9
src/gallium/drivers/r600/r600_pipe.c
View file

@ -56,6 +56,10 @@ static const struct debug_named_value debug_options[] = {
#if defined(R600_USE_LLVM)
{ "nollvm", DBG_NO_LLVM, "Disable the LLVM shader compiler" },
#endif
{ "nocpdma", DBG_NO_CP_DMA, "Disable CP DMA" },
{ "nodma", DBG_NO_ASYNC_DMA, "Disable asynchronous DMA" },
/* GL uses the word INVALIDATE, gallium uses the word DISCARD */
{ "noinvalrange", DBG_NO_DISCARD_RANGE, "Disable handling of INVALIDATE_RANGE map flags" },
DEBUG_NAMED_VALUE_END /* must be last */
};
@ -425,7 +429,7 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
rctx->rings.gfx.flushing = false;
rctx->rings.dma.cs = NULL;
if (rscreen->info.r600_has_dma) {
if (rscreen->info.r600_has_dma && !(rscreen->debug_flags & DBG_NO_ASYNC_DMA)) {
rctx->rings.dma.cs = rctx->ws->cs_create(rctx->ws, RING_DMA);
rctx->rings.dma.flush = r600_flush_dma_ring;
rctx->ws->cs_set_flush_callback(rctx->rings.dma.cs, r600_flush_dma_from_winsys, rctx);
@ -1136,7 +1140,8 @@ struct pipe_screen *r600_screen_create(struct radeon_winsys *ws)
break;
}
rscreen->has_cp_dma = rscreen->info.drm_minor >= 27;
rscreen->has_cp_dma = rscreen->info.drm_minor >= 27 &&
!(rscreen->debug_flags & DBG_NO_CP_DMA);
if (r600_init_tiling(rscreen)) {
FREE(rscreen);

3
src/gallium/drivers/r600/r600_pipe.h
View file

@ -249,6 +249,9 @@ typedef boolean (*r600g_dma_blit_t)(struct pipe_context *ctx,
/* features */
#define DBG_NO_HYPERZ (1 << 16)
#define DBG_NO_LLVM (1 << 17)
#define DBG_NO_CP_DMA (1 << 18)
#define DBG_NO_ASYNC_DMA (1 << 19)
#define DBG_NO_DISCARD_RANGE (1 << 20)
struct r600_tiling_info {
unsigned num_channels;