static void
gen6_upload_vs_push_constants(struct brw_context *brw)
{
- struct intel_context *intel = &brw->intel;
- struct gl_context *ctx = &intel->ctx;
+ struct gl_context *ctx = &brw->ctx;
/* _BRW_NEW_VERTEX_PROGRAM */
const struct brw_vertex_program *vp =
brw_vertex_program_const(brw->vertex_program);
- unsigned int nr_params = brw->vs.prog_data->nr_params / 4;
- bool uses_clip_distance = vp->program.UsesClipDistance;
-
- if (brw->vertex_program->IsNVProgram)
- _mesa_load_tracked_matrices(ctx);
/* Updates the ParamaterValues[i] pointers for all parameters of the
* basic type of PROGRAM_STATE_VAR.
/* XXX: Should this happen somewhere before to get our state flag set? */
_mesa_load_state_parameters(ctx, vp->program.Base.Parameters);
- /* CACHE_NEW_VS_PROG | _NEW_TRANSFORM */
- if (brw->vs.prog_data->nr_params == 0 && !ctx->Transform.ClipPlanesEnabled) {
+ /* CACHE_NEW_VS_PROG */
+ if (brw->vs.prog_data->base.nr_params == 0) {
brw->vs.push_const_size = 0;
} else {
- int params_uploaded = 0;
+ int params_uploaded;
float *param;
int i;
param = brw_state_batch(brw, AUB_TRACE_VS_CONSTANTS,
- (MAX_CLIP_PLANES + nr_params) *
- 4 * sizeof(float),
+ brw->vs.prog_data->base.nr_params * sizeof(float),
32, &brw->vs.push_const_offset);
- if (brw->vs.prog_data->uses_new_param_layout) {
- for (i = 0; i < brw->vs.prog_data->nr_params; i++) {
- *param = *brw->vs.prog_data->param[i];
- param++;
- }
- params_uploaded += brw->vs.prog_data->nr_params / 4;
- } else {
- /* This should be loaded like any other param, but it's ad-hoc
- * until we redo the VS backend.
- */
- if (ctx->Transform.ClipPlanesEnabled != 0 && !uses_clip_distance) {
- gl_clip_plane *clip_planes = brw_select_clip_planes(ctx);
- int num_userclip_plane_consts
- = _mesa_logbase2(ctx->Transform.ClipPlanesEnabled) + 1;
- int num_floats = 4 * num_userclip_plane_consts;
- memcpy(param, clip_planes, num_floats * sizeof(float));
- param += num_floats;
- params_uploaded += num_userclip_plane_consts;
- }
-
- /* Align to a reg for convenience for brw_vs_emit.c */
- if (params_uploaded & 1) {
- param += 4;
- params_uploaded++;
- }
-
- for (i = 0; i < vp->program.Base.Parameters->NumParameters; i++) {
- if (brw->vs.constant_map[i] != -1) {
- memcpy(param + brw->vs.constant_map[i] * 4,
- vp->program.Base.Parameters->ParameterValues[i],
- 4 * sizeof(float));
- params_uploaded++;
- }
- }
+ /* _NEW_PROGRAM_CONSTANTS
+ *
+ * Also _NEW_TRANSFORM -- we may reference clip planes other than as a
+ * side effect of dereferencing uniforms, so _NEW_PROGRAM_CONSTANTS
+ * wouldn't be set for them.
+ */
+ for (i = 0; i < brw->vs.prog_data->base.nr_params; i++) {
+ param[i] = *brw->vs.prog_data->base.param[i];
}
+ params_uploaded = brw->vs.prog_data->base.nr_params / 4;
if (0) {
printf("VS constant buffer:\n");
}
}
-const struct brw_tracked_state gen6_vs_constants = {
+const struct brw_tracked_state gen6_vs_push_constants = {
.dirty = {
.mesa = _NEW_TRANSFORM | _NEW_PROGRAM_CONSTANTS,
.brw = (BRW_NEW_BATCH |
static void
upload_vs_state(struct brw_context *brw)
{
- struct intel_context *intel = &brw->intel;
+ struct gl_context *ctx = &brw->ctx;
+ uint32_t floating_point_mode = 0;
+
+ /* From the BSpec, 3D Pipeline > Geometry > Vertex Shader > State,
+ * 3DSTATE_VS, Dword 5.0 "VS Function Enable":
+ *
+ * [DevSNB] A pipeline flush must be programmed prior to a 3DSTATE_VS
+ * command that causes the VS Function Enable to toggle. Pipeline
+ * flush can be executed by sending a PIPE_CONTROL command with CS
+ * stall bit set and a post sync operation.
+ *
+ * Although we don't disable the VS during normal drawing, BLORP sometimes
+ * disables it. To be safe, do the flush here just in case.
+ */
+ intel_emit_post_sync_nonzero_flush(brw);
if (brw->vs.push_const_size == 0) {
/* Disable the push constant buffers. */
ADVANCE_BATCH();
}
+ /* Use ALT floating point mode for ARB vertex programs, because they
+ * require 0^0 == 1.
+ */
+ if (ctx->Shader.CurrentVertexProgram == NULL)
+ floating_point_mode = GEN6_VS_FLOATING_POINT_MODE_ALT;
+
BEGIN_BATCH(6);
OUT_BATCH(_3DSTATE_VS << 16 | (6 - 2));
OUT_BATCH(brw->vs.prog_offset);
- OUT_BATCH((0 << GEN6_VS_SAMPLER_COUNT_SHIFT) |
- GEN6_VS_FLOATING_POINT_MODE_ALT |
- (brw->vs.nr_surfaces << GEN6_VS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
+ OUT_BATCH(floating_point_mode |
+ ((ALIGN(brw->vs.sampler_count, 4)/4) << GEN6_VS_SAMPLER_COUNT_SHIFT));
- if (brw->vs.prog_data->total_scratch) {
+ if (brw->vs.prog_data->base.total_scratch) {
OUT_RELOC(brw->vs.scratch_bo,
I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- ffs(brw->vs.prog_data->total_scratch) - 11);
+ ffs(brw->vs.prog_data->base.total_scratch) - 11);
} else {
OUT_BATCH(0);
}
- OUT_BATCH((1 << GEN6_VS_DISPATCH_START_GRF_SHIFT) |
- (brw->vs.prog_data->urb_read_length << GEN6_VS_URB_READ_LENGTH_SHIFT) |
+ OUT_BATCH((brw->vs.prog_data->base.dispatch_grf_start_reg <<
+ GEN6_VS_DISPATCH_START_GRF_SHIFT) |
+ (brw->vs.prog_data->base.urb_read_length << GEN6_VS_URB_READ_LENGTH_SHIFT) |
(0 << GEN6_VS_URB_ENTRY_READ_OFFSET_SHIFT));
OUT_BATCH(((brw->max_vs_threads - 1) << GEN6_VS_MAX_THREADS_SHIFT) |
* bug reports that led to this workaround, and may be more than
* what is strictly required to avoid the issue.
*/
- intel_emit_post_sync_nonzero_flush(intel);
+ intel_emit_post_sync_nonzero_flush(brw);
BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_PIPE_CONTROL);
+ OUT_BATCH(_3DSTATE_PIPE_CONTROL | (4 - 2));
OUT_BATCH(PIPE_CONTROL_DEPTH_STALL |
PIPE_CONTROL_INSTRUCTION_FLUSH |
PIPE_CONTROL_STATE_CACHE_INVALIDATE);
const struct brw_tracked_state gen6_vs_state = {
.dirty = {
.mesa = _NEW_TRANSFORM | _NEW_PROGRAM_CONSTANTS,
- .brw = (BRW_NEW_NR_VS_SURFACES |
- BRW_NEW_URB_FENCE |
- BRW_NEW_CONTEXT |
+ .brw = (BRW_NEW_CONTEXT |
BRW_NEW_VERTEX_PROGRAM |
BRW_NEW_BATCH),
- .cache = CACHE_NEW_VS_PROG
+ .cache = CACHE_NEW_VS_PROG | CACHE_NEW_SAMPLER
},
.emit = upload_vs_state,
};
projects / mesa.git / blobdiff