third_party
/
virglrenderer
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

virglrenderer: use bitmask instead of arrays of indices

Browse Source 
We already track samplers, images and ssbos using bitmasks, so this is a
bit more familiar to the rest of the code.

Also, this is going to enable some other nifty optimizations later on.

Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob@collabora.com>
macos/master
Erik Faye-Lund 6 years ago committed by Jakob Bornecrantz
parent 0aa272c21c
commit 5e89aea888
3 changed files with 29 additions and 36 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 29
      src/vrend_renderer.c
  2. 33
      src/vrend_shader.c
  3. 3
      src/vrend_shader.h

29
src/vrend_renderer.c
Unescape View File

@ -289,7 +289,7 @@ struct vrend_linked_shader_program {
GLuint *attrib_locs;
uint32_t shadow_samp_mask[PIPE_SHADER_TYPES];
GLuint *ubo_locs[PIPE_SHADER_TYPES];
GLuint ubo_locs[PIPE_SHADER_TYPES][32];
GLuint vs_ws_adjust_loc;
float viewport_neg_val;
@ -1135,22 +1135,21 @@ static void bind_ubo_locs(struct vrend_linked_shader_program *sprog,
{
if (!has_feature(feat_ubo))
return;
if (sprog->ss[id]->sel->sinfo.num_ubos) {
if (sprog->ss[id]->sel->sinfo.ubo_used_mask) {
const char *prefix = pipe_shader_to_prefix(id);
sprog->ubo_locs[id] = calloc(sprog->ss[id]->sel->sinfo.num_ubos, sizeof(uint32_t));
for (int i = 0; i < sprog->ss[id]->sel->sinfo.num_ubos; i++) {
int ubo_idx = sprog->ss[id]->sel->sinfo.ubo_idx[i];
unsigned mask = sprog->ss[id]->sel->sinfo.ubo_used_mask;
while (mask) {
uint32_t ubo_idx = u_bit_scan(&mask);
char name[32];
if (sprog->ss[id]->sel->sinfo.ubo_indirect)
snprintf(name, 32, "%subo[%d]", prefix, ubo_idx - 1);
else
snprintf(name, 32, "%subo%d", prefix, ubo_idx);
sprog->ubo_locs[id][i] = glGetUniformBlockIndex(sprog->id, name);
sprog->ubo_locs[id][ubo_idx] = glGetUniformBlockIndex(sprog->id, name);
}
} else
sprog->ubo_locs[id] = NULL;
}
}
static void bind_ssbo_locs(struct vrend_linked_shader_program *sprog,
@ -1492,7 +1491,6 @@ static void vrend_destroy_program(struct vrend_linked_shader_program *ent)
free(ent->samp_locs[i]);
free(ent->ssbo_locs[i]);
free(ent->img_locs[i]);
free(ent->ubo_locs[i]);
}
free(ent->attrib_locs);
free(ent);
@ -3647,7 +3645,6 @@ static void vrend_draw_bind_ubo_shader(struct vrend_context *ctx,
int shader_type, int *ubo_id)
{
uint32_t mask;
int shader_ubo_idx;
struct pipe_constant_buffer *cb;
struct vrend_resource *res;
struct vrend_shader_info* sinfo;
@ -3663,7 +3660,7 @@ static void vrend_draw_bind_ubo_shader(struct vrend_context *ctx,
sinfo = &ctx->sub->prog->ss[shader_type]->sel->sinfo;
mask = ctx->sub->const_bufs_used_mask[shader_type];
mask = ctx->sub->const_bufs_used_mask[shader_type] & sinfo->ubo_used_mask;
while (mask) {
/* The const_bufs_used_mask stores the gallium uniform buffer indices */
int i = u_bit_scan(&mask);
@ -3672,18 +3669,10 @@ static void vrend_draw_bind_ubo_shader(struct vrend_context *ctx,
cb = &ctx->sub->cbs[shader_type][i];
res = (struct vrend_resource *)cb->buffer;
/* Find the index of the uniform buffer in the array of shader ubo data */
for (shader_ubo_idx = 0; shader_ubo_idx < sinfo->num_ubos; shader_ubo_idx++) {
if (sinfo->ubo_idx[shader_ubo_idx] == i)
break;
}
if (shader_ubo_idx == sinfo->num_ubos)
continue;
glBindBufferRange(GL_UNIFORM_BUFFER, *ubo_id, res->id,
cb->buffer_offset, cb->buffer_size);
/* The ubo_locs array is indexed using the shader ubo index */
glUniformBlockBinding(ctx->sub->prog->id, ctx->sub->prog->ubo_locs[shader_type][shader_ubo_idx], *ubo_id);
glUniformBlockBinding(ctx->sub->prog->id, ctx->sub->prog->ubo_locs[shader_type][i], *ubo_id);
(*ubo_id)++;
}
}

33
src/vrend_shader.c
Unescape View File

@ -178,9 +178,8 @@ struct dump_ctx {
uint32_t req_local_mem;
bool integer_memory;
uint32_t num_ubo;
uint32_t ubo_base;
int ubo_idx[32];
uint32_t ubo_used_mask;
int ubo_sizes[32];
uint32_t num_address;
@ -1240,13 +1239,16 @@ iter_declaration(struct tgsi_iterate_context *iter,
break;
case TGSI_FILE_CONSTANT:
if (decl->Declaration.Dimension && decl->Dim.Index2D != 0) {
if (ctx->num_ubo >= ARRAY_SIZE(ctx->ubo_idx)) {
fprintf(stderr, "Number of uniforms exceeded, max is %lu\n", ARRAY_SIZE(ctx->ubo_idx));
if (decl->Dim.Index2D > 31) {
fprintf(stderr, "Number of uniforms exceeded, max is 32\n");
return false;
}
ctx->ubo_idx[ctx->num_ubo] = decl->Dim.Index2D;
ctx->ubo_sizes[ctx->num_ubo] = decl->Range.Last + 1;
ctx->num_ubo++;
if (ctx->ubo_used_mask & (1 << decl->Dim.Index2D)) {
fprintf(stderr, "UBO #%d is already defined\n", decl->Dim.Index2D);
return false;
}
ctx->ubo_used_mask |= (1 << decl->Dim.Index2D);
ctx->ubo_sizes[decl->Dim.Index2D] = decl->Range.Last + 1;
} else {
/* if we have a normal single const set then ubo base should be 1 */
ctx->ubo_base = 1;
@ -3927,7 +3929,7 @@ static void emit_header(struct dump_ctx *ctx)
if (ctx->prog_type == TGSI_PROCESSOR_FRAGMENT && fs_emit_layout(ctx))
emit_ext(ctx, "ARB_fragment_coord_conventions", "require");
if (ctx->num_ubo)
if (ctx->ubo_used_mask)
emit_ext(ctx, "ARB_uniform_buffer_object", "require");
if (ctx->num_cull_dist_prop || ctx->key->prev_stage_num_cull_out)
@ -4601,15 +4603,19 @@ static void emit_ios(struct dump_ctx *ctx)
if (ctx->color_in_mask & 2)
emit_hdr(ctx, "vec4 realcolor1;\n");
}
if (ctx->num_ubo) {
if (ctx->ubo_used_mask) {
const char *cname = tgsi_proc_to_prefix(ctx->prog_type);
if (ctx->info.dimension_indirect_files & (1 << TGSI_FILE_CONSTANT)) {
require_glsl_ver(ctx, 150);
emit_hdrf(ctx, "uniform %subo { vec4 ubocontents[%d]; } %suboarr[%d];\n", cname, ctx->ubo_sizes[0], cname, ctx->num_ubo);
int first = ffs(ctx->ubo_used_mask) - 1;
unsigned num_ubo = util_bitcount(ctx->ubo_used_mask);
emit_hdrf(ctx, "uniform %subo { vec4 ubocontents[%d]; } %suboarr[%d];\n", cname, ctx->ubo_sizes[first], cname, num_ubo);
} else {
for (i = 0; i < ctx->num_ubo; i++) {
emit_hdrf(ctx, "uniform %subo%d { vec4 %subo%dcontents[%d]; };\n", cname, ctx->ubo_idx[i], cname, ctx->ubo_idx[i], ctx->ubo_sizes[i]);
unsigned mask = ctx->ubo_used_mask;
while (mask) {
uint32_t i = u_bit_scan(&mask);
emit_hdrf(ctx, "uniform %subo%d { vec4 %subo%dcontents[%d]; };\n", cname, i, cname, i, ctx->ubo_sizes[i]);
}
}
}
@ -4847,8 +4853,7 @@ char *vrend_convert_shader(struct vrend_context *rctx,
sinfo->samplers_used_mask = ctx.samplers_used;
sinfo->images_used_mask = ctx.images_used_mask;
sinfo->num_consts = ctx.num_consts;
sinfo->num_ubos = ctx.num_ubo;
memcpy(sinfo->ubo_idx, ctx.ubo_idx, ctx.num_ubo * sizeof(*ctx.ubo_idx));
sinfo->ubo_used_mask = ctx.ubo_used_mask;
sinfo->ssbo_used_mask = ctx.ssbo_used_mask;

3
src/vrend_shader.h
Unescape View File

@ -44,13 +44,12 @@ struct vrend_array {
struct vrend_shader_info {
uint32_t samplers_used_mask;
uint32_t images_used_mask;
uint32_t ubo_used_mask;
uint32_t ssbo_used_mask;
int num_consts;
int num_inputs;
int num_interps;
int num_outputs;
int num_ubos;
int ubo_idx[32];
bool ubo_indirect;
uint8_t num_indirect_generic_outputs;
uint8_t num_indirect_patch_outputs;

Write Preview
Loading…
Cancel
Save