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radeonsi: optimize rendering to linear color buffers 

loosely ported from Vulkan

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-06-23 23:55:24 +02:00
parent e4b22c9fa1
commit 8f3ef4e8b8
2 changed files with 12 additions and 1 deletions
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1
src/gallium/drivers/radeonsi/si_pipe.h
View File

@ -165,6 +165,7 @@ struct si_framebuffer {
unsigned color_is_int8; /* bitmask */
unsigned dirty_cbufs;
bool dirty_zsbuf;
bool any_dst_linear;
};
struct si_clip_state {

12
src/gallium/drivers/radeonsi/si_state.c
View File

@ -2238,6 +2238,7 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
struct r600_surface *surf = NULL;
struct r600_texture *rtex;
bool old_cb0_is_integer = sctx->framebuffer.cb0_is_integer;
bool old_any_dst_linear = sctx->framebuffer.any_dst_linear;
unsigned old_nr_samples = sctx->framebuffer.nr_samples;
int i;
@ -2274,6 +2275,7 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
sctx->framebuffer.log_samples = util_logbase2(sctx->framebuffer.nr_samples);
sctx->framebuffer.cb0_is_integer = state->nr_cbufs && state->cbufs[0] &&
util_format_is_pure_integer(state->cbufs[0]->format);
sctx->framebuffer.any_dst_linear = false;
if (sctx->framebuffer.cb0_is_integer != old_cb0_is_integer)
si_mark_atom_dirty(sctx, &sctx->db_render_state);
@ -2304,6 +2306,10 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
if (rtex->fmask.size && rtex->cmask.size) {
sctx->framebuffer.compressed_cb_mask |= 1 << i;
}
if (surf->level_info->mode == RADEON_SURF_MODE_LINEAR_ALIGNED)
sctx->framebuffer.any_dst_linear = true;
r600_context_add_resource_size(ctx, surf->base.texture);
p_atomic_inc(&rtex->framebuffers_bound);
@ -2333,6 +2339,9 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
si_mark_atom_dirty(sctx, &sctx->cb_render_state);
si_mark_atom_dirty(sctx, &sctx->framebuffer.atom);
if (sctx->framebuffer.any_dst_linear != old_any_dst_linear)
si_mark_atom_dirty(sctx, &sctx->msaa_config);
if (sctx->framebuffer.nr_samples != old_nr_samples) {
si_mark_atom_dirty(sctx, &sctx->msaa_config);
si_mark_atom_dirty(sctx, &sctx->db_render_state);
@ -2556,7 +2565,8 @@ static void si_emit_msaa_config(struct si_context *sctx, struct r600_atom *atom)
{
struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
unsigned num_tile_pipes = sctx->screen->b.info.num_tile_pipes;
bool dst_is_linear = false; /* TODO */
/* 33% faster rendering to linear color buffers */
bool dst_is_linear = sctx->framebuffer.any_dst_linear;
unsigned sc_mode_cntl_1 =
S_028A4C_WALK_SIZE(dst_is_linear) |
S_028A4C_WALK_FENCE_ENABLE(!dst_is_linear) |