ilo_cp_end(cp);
}
+void
+ilo_gpe_init_gs_cso_gen6(const struct ilo_dev_info *dev,
+ const struct ilo_shader_state *gs,
+ struct ilo_shader_cso *cso)
+{
+ int start_grf, vue_read_len, max_threads;
+ uint32_t dw2, dw4, dw5, dw6;
+
+ ILO_GPE_VALID_GEN(dev, 6, 6);
+
+ if (ilo_shader_get_type(gs) == PIPE_SHADER_GEOMETRY) {
+ start_grf = ilo_shader_get_kernel_param(gs,
+ ILO_KERNEL_URB_DATA_START_REG);
+
+ vue_read_len = ilo_shader_get_kernel_param(gs, ILO_KERNEL_INPUT_COUNT);
+ }
+ else {
+ start_grf = ilo_shader_get_kernel_param(gs,
+ ILO_KERNEL_VS_GEN6_SO_START_REG);
+
+ vue_read_len = ilo_shader_get_kernel_param(gs, ILO_KERNEL_OUTPUT_COUNT);
+ }
+
+ /*
+ * From the Sandy Bridge PRM, volume 2 part 1, page 153:
+ *
+ * "Specifies the amount of URB data read and passed in the thread
+ * payload for each Vertex URB entry, in 256-bit register increments.
+ *
+ * It is UNDEFINED to set this field (Vertex URB Entry Read Length) to
+ * 0 indicating no Vertex URB data to be read and passed to the
+ * thread."
+ */
+ vue_read_len = (vue_read_len + 1) / 2;
+ if (!vue_read_len)
+ vue_read_len = 1;
+
+ /*
+ * From the Sandy Bridge PRM, volume 2 part 1, page 154:
+ *
+ * "Maximum Number of Threads valid range is [0,27] when Rendering
+ * Enabled bit is set."
+ *
+ * From the Sandy Bridge PRM, volume 2 part 1, page 173:
+ *
+ * "Programming Note: If the GS stage is enabled, software must always
+ * allocate at least one GS URB Entry. This is true even if the GS
+ * thread never needs to output vertices to the pipeline, e.g., when
+ * only performing stream output. This is an artifact of the need to
+ * pass the GS thread an initial destination URB handle."
+ *
+ * As such, we always enable rendering, and limit the number of threads.
+ */
+ if (dev->gt == 2) {
+ /* maximum is 60, but limited to 28 */
+ max_threads = 28;
+ }
+ else {
+ /* maximum is 24, but limited to 21 (see brwCreateContext()) */
+ max_threads = 21;
+ }
+
+ if (max_threads > 28)
+ max_threads = 28;
+
+ dw2 = GEN6_GS_SPF_MODE;
+
+ dw4 = vue_read_len << GEN6_GS_URB_READ_LENGTH_SHIFT |
+ 0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT |
+ start_grf << GEN6_GS_DISPATCH_START_GRF_SHIFT;
+
+ dw5 = (max_threads - 1) << GEN6_GS_MAX_THREADS_SHIFT |
+ GEN6_GS_STATISTICS_ENABLE |
+ GEN6_GS_SO_STATISTICS_ENABLE |
+ GEN6_GS_RENDERING_ENABLE;
+
+ /*
+ * we cannot make use of GEN6_GS_REORDER because it will reorder
+ * triangle strips according to D3D rules (triangle 2N+1 uses vertices
+ * (2N+1, 2N+3, 2N+2)), instead of GL rules (triangle 2N+1 uses vertices
+ * (2N+2, 2N+1, 2N+3)).
+ */
+ dw6 = GEN6_GS_ENABLE;
+
+ if (ilo_shader_get_kernel_param(gs, ILO_KERNEL_GS_DISCARD_ADJACENCY))
+ dw6 |= GEN6_GS_DISCARD_ADJACENCY;
+
+ if (ilo_shader_get_kernel_param(gs, ILO_KERNEL_VS_GEN6_SO)) {
+ const uint32_t svbi_post_inc =
+ ilo_shader_get_kernel_param(gs, ILO_KERNEL_GS_GEN6_SVBI_POST_INC);
+
+ dw6 |= GEN6_GS_SVBI_PAYLOAD_ENABLE;
+ if (svbi_post_inc) {
+ dw6 |= GEN6_GS_SVBI_POSTINCREMENT_ENABLE |
+ svbi_post_inc << GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT;
+ }
+ }
+
+ STATIC_ASSERT(Elements(cso->payload) >= 4);
+ cso->payload[0] = dw2;
+ cso->payload[1] = dw4;
+ cso->payload[2] = dw5;
+ cso->payload[3] = dw6;
+}
+
static void
gen6_emit_3DSTATE_GS(const struct ilo_dev_info *dev,
- const struct ilo_shader *gs,
- const struct ilo_shader *vs,
- uint32_t vs_offset,
+ const struct ilo_shader_state *gs,
+ const struct ilo_shader_state *vs,
+ int verts_per_prim,
struct ilo_cp *cp)
{
const uint32_t cmd = ILO_GPE_CMD(0x3, 0x0, 0x11);
const uint8_t cmd_len = 7;
uint32_t dw1, dw2, dw4, dw5, dw6;
- int i;
ILO_GPE_VALID_GEN(dev, 6, 6);
- if (!gs && (!vs || !vs->stream_output)) {
- dw1 = 0;
- dw2 = 0;
- dw4 = 1 << GEN6_GS_URB_READ_LENGTH_SHIFT;
- dw5 = GEN6_GS_STATISTICS_ENABLE;
- dw6 = 0;
- }
- else {
- int max_threads, vue_read_len;
-
- /*
- * From the Sandy Bridge PRM, volume 2 part 1, page 154:
- *
- * "Maximum Number of Threads valid range is [0,27] when Rendering
- * Enabled bit is set."
- *
- * From the Sandy Bridge PRM, volume 2 part 1, page 173:
- *
- * "Programming Note: If the GS stage is enabled, software must
- * always allocate at least one GS URB Entry. This is true even if
- * the GS thread never needs to output vertices to the pipeline,
- * e.g., when only performing stream output. This is an artifact of
- * the need to pass the GS thread an initial destination URB
- * handle."
- *
- * As such, we always enable rendering, and limit the number of threads.
- */
- if (dev->gt == 2) {
- /* maximum is 60, but limited to 28 */
- max_threads = 28;
- }
- else {
- /* maximum is 24, but limited to 21 (see brwCreateContext()) */
- max_threads = 21;
- }
+ if (gs) {
+ const struct ilo_shader_cso *cso;
- if (max_threads > 28)
- max_threads = 28;
+ dw1 = ilo_shader_get_kernel_offset(gs);
- dw2 = GEN6_GS_SPF_MODE;
+ cso = ilo_shader_get_kernel_cso(gs);
+ dw2 = cso->payload[0];
+ dw4 = cso->payload[1];
+ dw5 = cso->payload[2];
+ dw6 = cso->payload[3];
+ }
+ else if (vs && ilo_shader_get_kernel_param(vs, ILO_KERNEL_VS_GEN6_SO)) {
+ struct ilo_shader_cso cso;
+ enum ilo_kernel_param param;
- dw5 = (max_threads - 1) << GEN6_GS_MAX_THREADS_SHIFT |
- GEN6_GS_STATISTICS_ENABLE |
- GEN6_GS_SO_STATISTICS_ENABLE |
- GEN6_GS_RENDERING_ENABLE;
+ switch (verts_per_prim) {
+ case 1:
+ param = ILO_KERNEL_VS_GEN6_SO_POINT_OFFSET;
+ break;
+ case 2:
+ param = ILO_KERNEL_VS_GEN6_SO_LINE_OFFSET;
+ break;
+ default:
+ param = ILO_KERNEL_VS_GEN6_SO_TRI_OFFSET;
+ break;
+ }
- /*
- * we cannot make use of GEN6_GS_REORDER because it will reorder
- * triangle strips according to D3D rules (triangle 2N+1 uses vertices
- * (2N+1, 2N+3, 2N+2)), instead of GL rules (triangle 2N+1 uses vertices
- * (2N+2, 2N+1, 2N+3)).
- */
- dw6 = GEN6_GS_ENABLE;
-
- if (gs) {
- /* VS ouputs must match GS inputs */
- assert(gs->in.count == vs->out.count);
- for (i = 0; i < gs->in.count; i++) {
- assert(gs->in.semantic_names[i] == vs->out.semantic_names[i]);
- assert(gs->in.semantic_indices[i] == vs->out.semantic_indices[i]);
- }
+ dw1 = ilo_shader_get_kernel_offset(vs) +
+ ilo_shader_get_kernel_param(vs, param);
- /*
- * From the Sandy Bridge PRM, volume 2 part 1, page 153:
- *
- * "It is UNDEFINED to set this field (Vertex URB Entry Read
- * Length) to 0 indicating no Vertex URB data to be read and
- * passed to the thread."
- */
- vue_read_len = (gs->in.count + 1) / 2;
- if (!vue_read_len)
- vue_read_len = 1;
-
- dw1 = gs->cache_offset;
- dw4 = vue_read_len << GEN6_GS_URB_READ_LENGTH_SHIFT |
- 0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT |
- gs->in.start_grf << GEN6_GS_DISPATCH_START_GRF_SHIFT;
-
- if (gs->in.discard_adj)
- dw6 |= GEN6_GS_DISCARD_ADJACENCY;
-
- if (gs->stream_output) {
- dw6 |= GEN6_GS_SVBI_PAYLOAD_ENABLE;
- if (gs->svbi_post_inc) {
- dw6 |= GEN6_GS_SVBI_POSTINCREMENT_ENABLE |
- gs->svbi_post_inc << GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT;
- }
- }
- }
- else {
- /*
- * From the Sandy Bridge PRM, volume 2 part 1, page 153:
- *
- * "It is UNDEFINED to set this field (Vertex URB Entry Read
- * Length) to 0 indicating no Vertex URB data to be read and
- * passed to the thread."
- */
- vue_read_len = (vs->out.count + 1) / 2;
- if (!vue_read_len)
- vue_read_len = 1;
-
- dw1 = vs_offset;
- dw4 = vue_read_len << GEN6_GS_URB_READ_LENGTH_SHIFT |
- 0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT |
- vs->gs_start_grf << GEN6_GS_DISPATCH_START_GRF_SHIFT;
-
- if (vs->in.discard_adj)
- dw6 |= GEN6_GS_DISCARD_ADJACENCY;
-
- dw6 |= GEN6_GS_SVBI_PAYLOAD_ENABLE;
- if (vs->svbi_post_inc) {
- dw6 |= GEN6_GS_SVBI_POSTINCREMENT_ENABLE |
- vs->svbi_post_inc << GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT;
- }
- }
+ /* cannot use VS's CSO */
+ ilo_gpe_init_gs_cso_gen6(dev, vs, &cso);
+ dw2 = cso.payload[0];
+ dw4 = cso.payload[1];
+ dw5 = cso.payload[2];
+ dw6 = cso.payload[3];
+ }
+ else {
+ dw1 = 0;
+ dw2 = 0;
+ dw4 = 1 << GEN6_GS_URB_READ_LENGTH_SHIFT;
+ dw5 = GEN6_GS_STATISTICS_ENABLE;
+ dw6 = 0;
}
ilo_cp_begin(cp, cmd_len);
gen7_emit_3dstate_pointer(dev, 0x0e, color_calc_state, cp);
}
-static void
-gen7_emit_3DSTATE_GS(const struct ilo_dev_info *dev,
- const struct ilo_shader *gs,
- int num_samplers,
- struct ilo_cp *cp)
+void
+ilo_gpe_init_gs_cso_gen7(const struct ilo_dev_info *dev,
+ const struct ilo_shader_state *gs,
+ struct ilo_shader_cso *cso)
{
- const uint32_t cmd = ILO_GPE_CMD(0x3, 0x0, 0x11);
- const uint8_t cmd_len = 7;
+ int start_grf, vue_read_len, max_threads;
uint32_t dw2, dw4, dw5;
- int max_threads;
ILO_GPE_VALID_GEN(dev, 7, 7);
+ start_grf = ilo_shader_get_kernel_param(gs, ILO_KERNEL_URB_DATA_START_REG);
+ vue_read_len = ilo_shader_get_kernel_param(gs, ILO_KERNEL_INPUT_COUNT);
+
+ /* in pairs */
+ vue_read_len = (vue_read_len + 1) / 2;
+
switch (dev->gen) {
case ILO_GEN(7):
max_threads = (dev->gt == 2) ? 128 : 36;
break;
}
+ dw2 = (true) ? 0 : GEN6_GS_FLOATING_POINT_MODE_ALT;
+
+ dw4 = vue_read_len << GEN6_GS_URB_READ_LENGTH_SHIFT |
+ GEN7_GS_INCLUDE_VERTEX_HANDLES |
+ 0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT |
+ start_grf << GEN6_GS_DISPATCH_START_GRF_SHIFT;
+
+ dw5 = (max_threads - 1) << GEN6_GS_MAX_THREADS_SHIFT |
+ GEN6_GS_STATISTICS_ENABLE |
+ GEN6_GS_ENABLE;
+
+ STATIC_ASSERT(Elements(cso->payload) >= 3);
+ cso->payload[0] = dw2;
+ cso->payload[1] = dw4;
+ cso->payload[2] = dw5;
+}
+
+static void
+gen7_emit_3DSTATE_GS(const struct ilo_dev_info *dev,
+ const struct ilo_shader_state *gs,
+ int num_samplers,
+ struct ilo_cp *cp)
+{
+ const uint32_t cmd = ILO_GPE_CMD(0x3, 0x0, 0x11);
+ const uint8_t cmd_len = 7;
+ const struct ilo_shader_cso *cso;
+ uint32_t dw2, dw4, dw5;
+
+ ILO_GPE_VALID_GEN(dev, 7, 7);
+
if (!gs) {
ilo_cp_begin(cp, cmd_len);
ilo_cp_write(cp, cmd | (cmd_len - 2));
return;
}
- dw2 = ((num_samplers + 3) / 4) << GEN6_GS_SAMPLER_COUNT_SHIFT;
+ cso = ilo_shader_get_kernel_cso(gs);
+ dw2 = cso->payload[0];
+ dw4 = cso->payload[1];
+ dw5 = cso->payload[2];
- dw4 = ((gs->in.count + 1) / 2) << GEN6_GS_URB_READ_LENGTH_SHIFT |
- GEN7_GS_INCLUDE_VERTEX_HANDLES |
- 0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT |
- gs->in.start_grf << GEN6_GS_DISPATCH_START_GRF_SHIFT;
-
- dw5 = (max_threads - 1) << GEN6_GS_MAX_THREADS_SHIFT |
- GEN6_GS_STATISTICS_ENABLE |
- GEN6_GS_ENABLE;
+ dw2 |= ((num_samplers + 3) / 4) << GEN6_GS_SAMPLER_COUNT_SHIFT;
ilo_cp_begin(cp, cmd_len);
ilo_cp_write(cp, cmd | (cmd_len - 2));
- ilo_cp_write(cp, gs->cache_offset);
+ ilo_cp_write(cp, ilo_shader_get_kernel_offset(gs));
ilo_cp_write(cp, dw2);
ilo_cp_write(cp, 0); /* scratch */
ilo_cp_write(cp, dw4);
projects / mesa.git / commitdiff