#include "intel_batchbuffer.h"
static void
-gen6_prepare_vs_push_constants(struct brw_context *brw)
+gen6_upload_vs_push_constants(struct brw_context *brw)
{
struct intel_context *intel = &brw->intel;
struct gl_context *ctx = &intel->ctx;
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);
4 * sizeof(float),
32, &brw->vs.push_const_offset);
- /* This should be loaded like any other param, but it's ad-hoc
- * until we redo the VS backend.
- */
- for (i = 0; i < MAX_CLIP_PLANES; i++) {
- if (ctx->Transform.ClipPlanesEnabled & (1 << i)) {
- memcpy(param, ctx->Transform._ClipUserPlane[i], 4 * sizeof(float));
- param += 4;
- params_uploaded++;
- }
- }
- /* Align to a reg for convenience for brw_vs_emit.c */
- if (params_uploaded & 1) {
- param += 4;
- params_uploaded++;
- }
-
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];
}
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,
}
}
-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 |
BRW_NEW_VERTEX_PROGRAM),
.cache = CACHE_NEW_VS_PROG,
},
- .prepare = gen6_prepare_vs_push_constants,
+ .emit = gen6_upload_vs_push_constants,
};
static void
upload_vs_state(struct brw_context *brw)
{
struct intel_context *intel = &brw->intel;
+ uint32_t floating_point_mode = 0;
if (brw->vs.push_const_size == 0) {
/* Disable the push constant buffers. */
GEN6_CONSTANT_BUFFER_0_ENABLE |
(5 - 2));
/* Pointer to the VS constant buffer. Covered by the set of
- * state flags from gen6_prepare_wm_constants
+ * state flags from gen6_upload_vs_constants
*/
OUT_BATCH(brw->vs.push_const_offset +
brw->vs.push_const_size - 1);
ADVANCE_BATCH();
}
+ /* Use ALT floating point mode for ARB vertex programs, because they
+ * require 0^0 == 1.
+ */
+ if (intel->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->sampler.count, 4)/4) << GEN6_VS_SAMPLER_COUNT_SHIFT));
if (brw->vs.prog_data->total_scratch) {
OUT_RELOC(brw->vs.scratch_bo,
(brw->vs.prog_data->urb_read_length << GEN6_VS_URB_READ_LENGTH_SHIFT) |
(0 << GEN6_VS_URB_ENTRY_READ_OFFSET_SHIFT));
- OUT_BATCH(((brw->vs_max_threads - 1) << GEN6_VS_MAX_THREADS_SHIFT) |
+ OUT_BATCH(((brw->max_vs_threads - 1) << GEN6_VS_MAX_THREADS_SHIFT) |
GEN6_VS_STATISTICS_ENABLE |
GEN6_VS_ENABLE);
ADVANCE_BATCH();
* 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);
+
BEGIN_BATCH(4);
OUT_BATCH(_3DSTATE_PIPE_CONTROL);
OUT_BATCH(PIPE_CONTROL_DEPTH_STALL |
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 = (BRW_NEW_URB_FENCE |
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,
};