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zink: update vk sample location info during framebuffer setup 

this needs to be stored as a persistent thing on the ctx so it can be
reused without needing to be recalculated

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11189>
This commit is contained in:
Mike Blumenkrantz 2021-04-02 17:36:28 -04:00 committed by Marge Bot
parent 0901d362c7
commit 7353d1d26b
2 changed files with 20 additions and 0 deletions
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18
src/gallium/drivers/zink/zink_context.c
View File

@ -1517,6 +1517,24 @@ setup_framebuffer(struct zink_context *ctx)
struct zink_screen *screen = zink_screen(ctx->base.screen);
struct zink_render_pass *rp = ctx->gfx_pipeline_state.render_pass;
if (ctx->gfx_pipeline_state.sample_locations_enabled && ctx->sample_locations_changed) {
unsigned samples = ctx->gfx_pipeline_state.rast_samples;
unsigned idx = util_logbase2_ceil(MAX2(samples, 1));
VkExtent2D grid_size = screen->maxSampleLocationGridSize[idx];
for (unsigned pixel = 0; pixel < grid_size.width * grid_size.height; pixel++) {
for (unsigned sample = 0; sample < samples; sample++) {
unsigned pixel_x = pixel % grid_size.width;
unsigned pixel_y = pixel / grid_size.width;
unsigned wi = pixel * samples + sample;
unsigned ri = (pixel_y * grid_size.width + pixel_x % grid_size.width);
ri = ri * samples + sample;
ctx->vk_sample_locations[wi].x = (ctx->sample_locations[ri] & 0xf) / 16.0f;
ctx->vk_sample_locations[wi].y = (16 - (ctx->sample_locations[ri] >> 4)) / 16.0f;
}
}
}
if (rp)
ctx->rp_changed |= ctx->rp_clears_enabled != rp->state.clears;
if (ctx->rp_changed)

2
src/gallium/drivers/zink/zink_draw.c
View File

@ -649,6 +649,8 @@ zink_draw_vbo(struct pipe_context *pctx,
else
vkCmdSetDepthBias(batch->state->cmdbuf, 0.0f, 0.0f, 0.0f);
ctx->sample_locations_changed = false;
if (ctx->gfx_pipeline_state.blend_state->need_blend_constants)
vkCmdSetBlendConstants(batch->state->cmdbuf, ctx->blend_constants);