}
}
+/* Returns the size in bits of the widest component of a CB format */
+static unsigned si_colorformat_max_comp_size(uint32_t colorformat)
+{
+ switch(colorformat) {
+ case V_028C70_COLOR_4_4_4_4:
+ return 4;
+
+ case V_028C70_COLOR_1_5_5_5:
+ case V_028C70_COLOR_5_5_5_1:
+ return 5;
+
+ case V_028C70_COLOR_5_6_5:
+ return 6;
+
+ case V_028C70_COLOR_8:
+ case V_028C70_COLOR_8_8:
+ case V_028C70_COLOR_8_8_8_8:
+ return 8;
+
+ case V_028C70_COLOR_10_10_10_2:
+ case V_028C70_COLOR_2_10_10_10:
+ return 10;
+
+ case V_028C70_COLOR_10_11_11:
+ case V_028C70_COLOR_11_11_10:
+ return 11;
+
+ case V_028C70_COLOR_16:
+ case V_028C70_COLOR_16_16:
+ case V_028C70_COLOR_16_16_16_16:
+ return 16;
+
+ case V_028C70_COLOR_8_24:
+ case V_028C70_COLOR_24_8:
+ return 24;
+
+ case V_028C70_COLOR_32:
+ case V_028C70_COLOR_32_32:
+ case V_028C70_COLOR_32_32_32_32:
+ case V_028C70_COLOR_X24_8_32_FLOAT:
+ return 32;
+ }
+
+ assert(!"Unknown maximum component size");
+ return 0;
+}
+
static uint32_t si_translate_dbformat(enum pipe_format format)
{
switch (format) {
const struct util_format_description *desc;
int i;
unsigned blend_clamp = 0, blend_bypass = 0;
+ unsigned max_comp_size;
surf = (struct r600_surface *)state->cbufs[cb];
rtex = (struct r600_resource_texture*)state->cbufs[cb]->texture;
}
si_pm4_set_reg(pm4, R_028C70_CB_COLOR0_INFO + cb * 0x3C, color_info);
si_pm4_set_reg(pm4, R_028C74_CB_COLOR0_ATTRIB + cb * 0x3C, color_attrib);
+
+ /* Determine pixel shader export format */
+ max_comp_size = si_colorformat_max_comp_size(format);
+ if (ntype == V_028C70_NUMBER_SRGB ||
+ ((ntype == V_028C70_NUMBER_UNORM || ntype == V_028C70_NUMBER_SNORM) &&
+ max_comp_size <= 10) ||
+ (ntype == V_028C70_NUMBER_FLOAT && max_comp_size <= 16)) {
+ rctx->export_16bpc |= 1 << cb;
+ rctx->spi_shader_col_format |= V_028714_SPI_SHADER_FP16_ABGR << (4 * cb);
+ } else
+ rctx->spi_shader_col_format |= V_028714_SPI_SHADER_32_ABGR << (4 * cb);
}
static void si_db(struct r600_context *rctx, struct si_pm4_state *pm4,
/* build states */
rctx->have_depth_fb = 0;
+ rctx->export_16bpc = 0;
+ rctx->spi_shader_col_format = 0;
for (int i = 0; i < state->nr_cbufs; i++) {
si_cb(rctx, pm4, state, i);
}
+ assert(!(rctx->export_16bpc & ~0xff));
si_db(rctx, pm4, state);
shader_mask = 0;
si_pm4_set_reg(pm4, R_028200_PA_SC_WINDOW_OFFSET, 0x00000000);
si_pm4_set_reg(pm4, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA);
si_pm4_set_reg(pm4, R_02823C_CB_SHADER_MASK, shader_mask);
+ si_pm4_set_reg(pm4, R_028714_SPI_SHADER_COL_FORMAT,
+ rctx->spi_shader_col_format);
si_pm4_set_reg(pm4, R_028BE0_PA_SC_AA_CONFIG, 0x00000000);
si_pm4_set_state(rctx, framebuffer, pm4);
* shaders
*/
+/* Compute the key for the hw shader variant */
+static INLINE unsigned si_shader_selector_key(struct pipe_context *ctx,
+ struct si_pipe_shader_selector *sel)
+{
+ struct r600_context *rctx = (struct r600_context *)ctx;
+ unsigned key = 0;
+
+ if (sel->type == PIPE_SHADER_FRAGMENT) {
+ if (sel->fs_write_all)
+ key |= rctx->framebuffer.nr_cbufs;
+ key |= rctx->export_16bpc << 4;
+ /*if (rctx->queued.named.rasterizer)
+ key |= rctx->queued.named.rasterizer->flatshade << 12;*/
+ /*key |== rctx->two_side << 13;*/
+ }
+
+ return key;
+}
+
+/* Select the hw shader variant depending on the current state.
+ * (*dirty) is set to 1 if current variant was changed */
+int si_shader_select(struct pipe_context *ctx,
+ struct si_pipe_shader_selector *sel,
+ unsigned *dirty)
+{
+ unsigned key;
+ struct si_pipe_shader * shader = NULL;
+ int r;
+
+ key = si_shader_selector_key(ctx, sel);
+
+ /* Check if we don't need to change anything.
+ * This path is also used for most shaders that don't need multiple
+ * variants, it will cost just a computation of the key and this
+ * test. */
+ if (likely(sel->current && sel->current->key == key)) {
+ return 0;
+ }
+
+ /* lookup if we have other variants in the list */
+ if (sel->num_shaders > 1) {
+ struct si_pipe_shader *p = sel->current, *c = p->next_variant;
+
+ while (c && c->key != key) {
+ p = c;
+ c = c->next_variant;
+ }
+
+ if (c) {
+ p->next_variant = c->next_variant;
+ shader = c;
+ }
+ }
+
+ if (unlikely(!shader)) {
+ shader = CALLOC(1, sizeof(struct si_pipe_shader));
+ shader->selector = sel;
+
+ r = si_pipe_shader_create(ctx, shader);
+ if (unlikely(r)) {
+ R600_ERR("Failed to build shader variant (type=%u, key=%u) %d\n",
+ sel->type, key, r);
+ sel->current = NULL;
+ return r;
+ }
+
+ /* We don't know the value of fs_write_all property until we built
+ * at least one variant, so we may need to recompute the key (include
+ * rctx->framebuffer.nr_cbufs) after building first variant. */
+ if (sel->type == PIPE_SHADER_FRAGMENT &&
+ sel->num_shaders == 0 &&
+ shader->shader.fs_write_all) {
+ sel->fs_write_all = 1;
+ key = si_shader_selector_key(ctx, sel);
+ }
+
+ shader->key = key;
+ sel->num_shaders++;
+ }
+
+ if (dirty)
+ *dirty = 1;
+
+ shader->next_variant = sel->current;
+ sel->current = shader;
+
+ return 0;
+}
+
static void *si_create_shader_state(struct pipe_context *ctx,
- const struct pipe_shader_state *state)
+ const struct pipe_shader_state *state,
+ unsigned pipe_shader_type)
{
- struct si_pipe_shader *shader = CALLOC_STRUCT(si_pipe_shader);
+ struct si_pipe_shader_selector *sel = CALLOC_STRUCT(si_pipe_shader_selector);
+ int r;
+
+ sel->type = pipe_shader_type;
+ sel->tokens = tgsi_dup_tokens(state->tokens);
+ sel->so = state->stream_output;
- shader->tokens = tgsi_dup_tokens(state->tokens);
- shader->so = state->stream_output;
+ r = si_shader_select(ctx, sel, NULL);
+ if (r) {
+ free(sel);
+ return NULL;
+ }
- return shader;
+ return sel;
+}
+
+static void *si_create_fs_state(struct pipe_context *ctx,
+ const struct pipe_shader_state *state)
+{
+ return si_create_shader_state(ctx, state, PIPE_SHADER_FRAGMENT);
+}
+
+static void *si_create_vs_state(struct pipe_context *ctx,
+ const struct pipe_shader_state *state)
+{
+ return si_create_shader_state(ctx, state, PIPE_SHADER_VERTEX);
}
static void si_bind_vs_shader(struct pipe_context *ctx, void *state)
{
struct r600_context *rctx = (struct r600_context *)ctx;
- struct si_pipe_shader *shader = state;
+ struct si_pipe_shader_selector *sel = state;
- if (rctx->vs_shader == state)
+ if (rctx->vs_shader == sel)
return;
rctx->shader_dirty = true;
- rctx->vs_shader = shader;
+ rctx->vs_shader = sel;
- if (shader) {
- si_pm4_bind_state(rctx, vs, shader->pm4);
- }
+ if (sel && sel->current)
+ si_pm4_bind_state(rctx, vs, sel->current->pm4);
+ else
+ si_pm4_bind_state(rctx, vs, rctx->dummy_pixel_shader->pm4);
}
static void si_bind_ps_shader(struct pipe_context *ctx, void *state)
{
struct r600_context *rctx = (struct r600_context *)ctx;
- struct si_pipe_shader *shader = state;
+ struct si_pipe_shader_selector *sel = state;
- if (rctx->ps_shader == state)
+ if (rctx->ps_shader == sel)
return;
rctx->shader_dirty = true;
- rctx->ps_shader = shader;
+ rctx->ps_shader = sel;
- if (shader) {
- si_pm4_bind_state(rctx, ps, shader->pm4);
- }
+ if (sel && sel->current)
+ si_pm4_bind_state(rctx, ps, sel->current->pm4);
+ else
+ si_pm4_bind_state(rctx, ps, rctx->dummy_pixel_shader->pm4);
}
+static void si_delete_shader_selector(struct pipe_context *ctx,
+ struct si_pipe_shader_selector *sel)
+{
+ struct r600_context *rctx = (struct r600_context *)ctx;
+ struct si_pipe_shader *p = sel->current, *c;
+
+ while (p) {
+ c = p->next_variant;
+ si_pm4_delete_state(rctx, vs, p->pm4);
+ si_pipe_shader_destroy(ctx, p);
+ free(p);
+ p = c;
+ }
+
+ free(sel->tokens);
+ free(sel);
+ }
+
static void si_delete_vs_shader(struct pipe_context *ctx, void *state)
{
struct r600_context *rctx = (struct r600_context *)ctx;
- struct si_pipe_shader *shader = (struct si_pipe_shader *)state;
+ struct si_pipe_shader_selector *sel = (struct si_pipe_shader_selector *)state;
- if (rctx->vs_shader == shader) {
+ if (rctx->vs_shader == sel) {
rctx->vs_shader = NULL;
}
- si_pm4_delete_state(rctx, vs, shader->pm4);
- free(shader->tokens);
- si_pipe_shader_destroy(ctx, shader);
- free(shader);
+ si_delete_shader_selector(ctx, sel);
}
static void si_delete_ps_shader(struct pipe_context *ctx, void *state)
{
struct r600_context *rctx = (struct r600_context *)ctx;
- struct si_pipe_shader *shader = (struct si_pipe_shader *)state;
+ struct si_pipe_shader_selector *sel = (struct si_pipe_shader_selector *)state;
- if (rctx->ps_shader == shader) {
+ if (rctx->ps_shader == sel) {
rctx->ps_shader = NULL;
}
- si_pm4_delete_state(rctx, ps, shader->pm4);
- free(shader->tokens);
- si_pipe_shader_destroy(ctx, shader);
- free(shader);
+ si_delete_shader_selector(ctx, sel);
}
/*
rctx->context.set_framebuffer_state = si_set_framebuffer_state;
- rctx->context.create_vs_state = si_create_shader_state;
- rctx->context.create_fs_state = si_create_shader_state;
+ rctx->context.create_vs_state = si_create_vs_state;
+ rctx->context.create_fs_state = si_create_fs_state;
rctx->context.bind_vs_state = si_bind_vs_shader;
rctx->context.bind_fs_state = si_bind_ps_shader;
rctx->context.delete_vs_state = si_delete_vs_shader;