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freedreno: be more clever about gmem usage

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Only need to leave room for depth/stencil if it is actually used, etc.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark
2013-12-27 10:31:22 -05:00
parent 42c5e2a2ed
commit bfb44c24bc
2 changed files with 18 additions and 9 deletions
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src/gallium/drivers/freedreno/freedreno_gmem.c
+17 -9
View File
@@ -66,6 +66,13 @@
* resolve.
*/
static uint32_t bin_width(struct fd_context *ctx)
{
if (ctx->screen->gpu_id >= 300)
return 992;
return 512;
}
static void
calculate_tiles(struct fd_context *ctx)
{
@@ -76,19 +83,26 @@ calculate_tiles(struct fd_context *ctx)
uint32_t minx, miny, width, height;
uint32_t nbins_x = 1, nbins_y = 1;
uint32_t bin_w, bin_h;
uint32_t max_width = 992;
uint32_t max_width = bin_width(ctx);
uint32_t cpp = 4;
uint32_t i, j, t, p, n, xoff, yoff;
bool has_zs = !!(ctx->resolve & (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL));
if (pfb->cbufs[0])
cpp = util_format_get_blocksize(pfb->cbufs[0]->format);
if ((gmem->cpp == cpp) &&
if ((gmem->cpp == cpp) && (gmem->has_zs == has_zs) &&
!memcmp(&gmem->scissor, scissor, sizeof(gmem->scissor))) {
/* everything is up-to-date */
return;
}
/* if have depth/stencil, we need to leave room: */
if (has_zs) {
gmem_size /= 2;
max_width /= 2;
}
if (fd_mesa_debug & FD_DBG_DSCIS) {
minx = 0;
miny = 0;
@@ -101,13 +115,6 @@ calculate_tiles(struct fd_context *ctx)
height = scissor->maxy - miny;
}
// TODO we probably could optimize this a bit if we know that
// Z or stencil is not enabled for any of the draw calls..
// if (fd_stencil_enabled(ctx->zsa) || fd_depth_enabled(ctx->zsa)) {
gmem_size /= 2;
max_width = 256;
// }
bin_w = align(width, 32);
bin_h = align(height, 32);
@@ -130,6 +137,7 @@ calculate_tiles(struct fd_context *ctx)
gmem->scissor = *scissor;
gmem->cpp = cpp;
gmem->has_zs = has_zs;
gmem->bin_h = bin_h;
gmem->bin_w = bin_w;
gmem->nbins_x = nbins_x;
src/gallium/drivers/freedreno/freedreno_gmem.h
+1
View File
@@ -51,6 +51,7 @@ struct fd_gmem_stateobj {
uint16_t bin_h, nbins_y;
uint16_t bin_w, nbins_x;
uint16_t width, height;
bool has_zs; /* gmem config using depth/stencil? */
};
void fd_gmem_render_tiles(struct pipe_context *pctx);