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-rw-r--r--src/gallium/drivers/nvfx/nvfx_context.c2
-rw-r--r--src/gallium/drivers/nvfx/nvfx_context.h2
-rw-r--r--src/gallium/drivers/nvfx/nvfx_fragprog.c185
-rw-r--r--src/gallium/drivers/nvfx/nvfx_state.h3
-rw-r--r--src/gallium/drivers/nvfx/nvfx_state_emit.c2
-rw-r--r--src/gallium/drivers/nvfx/nvfx_vertprog.c49
6 files changed, 149 insertions, 94 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_context.c b/src/gallium/drivers/nvfx/nvfx_context.c
index 8e852010f57..e78fc14da44 100644
--- a/src/gallium/drivers/nvfx/nvfx_context.c
+++ b/src/gallium/drivers/nvfx/nvfx_context.c
@@ -90,6 +90,8 @@ nvfx_create(struct pipe_screen *pscreen, void *priv)
/* set these to that we init them on first validation */
nvfx->state.scissor_enabled = ~0;
+ nvfx->hw_pointsprite_control = -1;
+ nvfx->hw_vp_output = -1;
nvfx->use_vertex_buffers = -1;
LIST_INITHEAD(&nvfx->render_cache);
diff --git a/src/gallium/drivers/nvfx/nvfx_context.h b/src/gallium/drivers/nvfx/nvfx_context.h
index 63fbce87b50..fb4a9da5792 100644
--- a/src/gallium/drivers/nvfx/nvfx_context.h
+++ b/src/gallium/drivers/nvfx/nvfx_context.h
@@ -193,6 +193,8 @@ struct nvfx_context {
uint32_t hw_txf[8];
struct nvfx_render_target hw_rt[4];
struct nvfx_render_target hw_zeta;
+ int hw_pointsprite_control;
+ int hw_vp_output;
};
static INLINE struct nvfx_context *
diff --git a/src/gallium/drivers/nvfx/nvfx_fragprog.c b/src/gallium/drivers/nvfx/nvfx_fragprog.c
index 025989ac5bb..e40a814e18c 100644
--- a/src/gallium/drivers/nvfx/nvfx_fragprog.c
+++ b/src/gallium/drivers/nvfx/nvfx_fragprog.c
@@ -1101,6 +1101,35 @@ nvfx_fp_memcpy(void* dst, const void* src, size_t len)
#endif
}
+/* The hardware only supports immediate constants inside the fragment program,
+ * and at least on nv30 doesn't support an indirect linkage table.
+ *
+ * Hence, we need to patch the fragment program itself both to update constants
+ * and update linkage.
+ *
+ * Using a single fragment program would entail unacceptable stalls if the GPU is
+ * already rendering with that fragment program.
+ * Thus, we instead use a "rotating queue" of buffer objects, each of which is
+ * packed with multiple versions of the same program.
+ *
+ * Whenever we need to patch something, we move to the next program and
+ * patch it. If all buffer objects are in use by the GPU, we allocate another one,
+ * expanding the queue.
+ *
+ * As an additional optimization, we record when all the programs have the
+ * current input slot configuration, and at that point we stop patching inputs.
+ * This happens, for instance, if a given fragment program is always used with
+ * the same vertex program (i.e. always with GLSL), or if the layouts match
+ * enough (non-GLSL).
+ *
+ * Note that instead of using multiple programs, we could push commands
+ * on the FIFO to patch a single program: it's not fully clear which option is
+ * faster, but my guess is that the current way is faster.
+ *
+ * We also track the previous slot assignments for each version and don't
+ * patch if they are the same (this could perhaps be removed).
+ */
+
void
nvfx_fragprog_validate(struct nvfx_context *nvfx)
{
@@ -1109,6 +1138,7 @@ nvfx_fragprog_validate(struct nvfx_context *nvfx)
int update = 0;
struct nvfx_vertex_program* vp;
unsigned sprite_coord_enable;
+ boolean update_pointsprite = !!(nvfx->dirty & NVFX_NEW_FRAGPROG);
if (!fp->translated)
{
@@ -1141,80 +1171,96 @@ nvfx_fragprog_validate(struct nvfx_context *nvfx)
fp->bo_prog_idx = fp->progs_per_bo - 1;
}
- /* we must update constants even on "just" fragprog changes, because
- we don't check whether the current constant buffer matches the latest
- one bound to this fragment program */
- if (nvfx->dirty & (NVFX_NEW_FRAGCONST | NVFX_NEW_FRAGPROG))
- update = TRUE;
-
vp = nvfx->render_mode == HW ? nvfx->vertprog : nvfx->swtnl.vertprog;
- if (fp->last_vp_id != vp->id) {
- char* vp_sem_table = vp->generic_to_fp_input;
- unsigned char* fp_semantics = fp->slot_to_generic;
- unsigned diff = 0;
- unsigned char* cur_slots;
- fp->last_vp_id = nvfx->vertprog->id;
- cur_slots = fp->slot_to_fp_input;
- for(unsigned i = 0; i < fp->num_slots; ++i) {
- unsigned char slot_mask = vp_sem_table[fp_semantics[i]];
- diff |= (slot_mask >> 4) & (slot_mask ^ cur_slots[i]);
- }
+ sprite_coord_enable = nvfx->rasterizer->pipe.point_quad_rasterization * nvfx->rasterizer->pipe.sprite_coord_enable;
+
+ if (fp->last_vp_id != vp->id || fp->last_sprite_coord_enable != sprite_coord_enable) {
+ int sprite_input = -1;
+ unsigned i;
+ fp->last_vp_id = vp->id;
+ fp->last_sprite_coord_enable = sprite_coord_enable;
- if(diff)
+ if(sprite_coord_enable)
{
- for(unsigned i = 0; i < fp->num_slots; ++i) {
- /* if 0xff, then this will write to the dummy value at fp->last_layout_mask[0] */
- fp->slot_to_fp_input[i] = vp_sem_table[fp_semantics[i]] & 0xf;
- //printf("fp: GENERIC[%i] from fpreg %i\n", fp_semantics[i], fp->slot_to_fp_input[i]);
+ sprite_input = vp->sprite_fp_input;
+ if(sprite_input < 0)
+ {
+ unsigned used_texcoords = 0;
+ for(unsigned i = 0; i < fp->num_slots; ++i) {
+ unsigned generic = fp->slot_to_generic[i];
+ if(!((1 << generic) & sprite_coord_enable))
+ {
+ unsigned char slot_mask = vp->generic_to_fp_input[generic];
+ if(slot_mask >= 0xf0)
+ used_texcoords |= 1 << ((slot_mask & 0xf) - NVFX_FP_OP_INPUT_SRC_TC0);
+ }
+ }
+
+ sprite_input = NVFX_FP_OP_INPUT_SRC_TC(__builtin_ctz(~used_texcoords));
}
- fp->progs_left_with_obsolete_slot_assignments = fp->progs;
- update = TRUE;
+ fp->point_sprite_control |= (1 << (sprite_input - NVFX_FP_OP_INPUT_SRC_TC0 + 8));
}
- }
+ else
+ fp->point_sprite_control = 0;
- // last_sprite_coord_enable
- sprite_coord_enable = nvfx->rasterizer->pipe.point_quad_rasterization * nvfx->rasterizer->pipe.sprite_coord_enable;
- if(fp->last_sprite_coord_enable != sprite_coord_enable)
- {
- unsigned texcoord_mask = vp->texcoord_ouput_mask;
- fp->last_sprite_coord_enable = sprite_coord_enable;
- fp->point_sprite_control = 0;
- for(unsigned i = 0; i < fp->num_slots; ++i) {
- if((1 << fp->slot_to_generic[i]) & sprite_coord_enable)
+ for(i = 0; i < fp->num_slots; ++i) {
+ unsigned generic = fp->slot_to_generic[i];
+ if((1 << generic) & sprite_coord_enable)
{
- unsigned fpin = fp->slot_to_fp_input[i];
- //printf("sprite: slot %i generic %i had texcoord %i\n", i, fp->slot_to_generic[i], fpin - NVFX_FP_OP_INPUT_SRC_TC0);
- if(fpin >= 0x0f)
- {
- unsigned tc = __builtin_ctz(~texcoord_mask);
- texcoord_mask |= (1 << tc);
- fp->slot_to_fp_input[i] = fpin = NVFX_FP_OP_INPUT_SRC_TC(tc);
-
- fp->progs_left_with_obsolete_slot_assignments = fp->progs;
- update = TRUE;
- }
- //printf("sprite: slot %i texcoord %i\n", i, fpin - NVFX_FP_OP_INPUT_SRC_TC0);
- fp->point_sprite_control |= (1 << (fpin - NVFX_FP_OP_INPUT_SRC_TC0 + 8));
+ if(fp->slot_to_fp_input[i] != sprite_input)
+ goto update_slots;
}
else
{
- unsigned fpin = fp->slot_to_fp_input[i];
- if(!(vp->texcoord_ouput_mask & (1 << (fpin - NVFX_FP_OP_INPUT_SRC_TC0))))
- {
- fp->slot_to_fp_input[i] = 0x0f;
+ unsigned char slot_mask = vp->generic_to_fp_input[generic];
+ if((slot_mask >> 4) & (slot_mask ^ fp->slot_to_fp_input[i]))
+ goto update_slots;
+ }
+ }
+
+ if(0)
+ {
+update_slots:
+ /* optimization: we start updating from the slot we found the first difference in */
+ for(; i < fp->num_slots; ++i)
+ {
+ unsigned generic = fp->slot_to_generic[i];
+ if((1 << generic) & sprite_coord_enable)
+ fp->slot_to_fp_input[i] = sprite_input;
+ else
+ fp->slot_to_fp_input[i] = vp->generic_to_fp_input[generic] & 0xf;
+ }
- fp->progs_left_with_obsolete_slot_assignments = fp->progs;
- update = TRUE;
+ if(nvfx->is_nv4x)
+ {
+ fp->or = 0;
+ for(i = 0; i < fp->num_slots; ++i) {
+ unsigned fp_input = fp->slot_to_fp_input[i];
+ if(fp_input == NVFX_FP_OP_INPUT_SRC_TC(8))
+ fp->or |= (1 << 12);
+ else if(fp_input == NVFX_FP_OP_INPUT_SRC_TC(9))
+ fp->or |= (1 << 13);
+ else if(fp_input != 0xf)
+ fp->or |= (1 << (fp_input - NVFX_FP_OP_INPUT_SRC_TC0 + 14));
}
}
+
+ fp->progs_left_with_obsolete_slot_assignments = fp->progs;
+ goto update;
}
}
- if(update) {
+ /* We must update constants even on "just" fragprog changes, because
+ * we don't check whether the current constant buffer matches the latest
+ * one bound to this fragment program.
+ * Doing such a check would likely be a pessimization.
+ */
+ if (nvfx->dirty & (NVFX_NEW_FRAGCONST | NVFX_NEW_FRAGPROG)) {
int offset;
uint32_t* fpmap;
+update:
++fp->bo_prog_idx;
if(fp->bo_prog_idx >= fp->progs_per_bo)
{
@@ -1278,6 +1324,9 @@ nvfx_fragprog_validate(struct nvfx_context *nvfx)
}
}
+ /* we only do this if we aren't sure that all program versions have the
+ * current slot assignments, otherwise we just update constants for speed
+ */
if(fp->progs_left_with_obsolete_slot_assignments) {
unsigned char* fpbo_slots = &fp->fpbo->slots[fp->bo_prog_idx * 8];
for(unsigned i = 0; i < fp->num_slots; ++i) {
@@ -1296,10 +1345,7 @@ nvfx_fragprog_validate(struct nvfx_context *nvfx)
}
--fp->progs_left_with_obsolete_slot_assignments;
}
- }
- if(update || (nvfx->dirty & NVFX_NEW_FRAGPROG)) {
- int offset = fp->bo_prog_idx * fp->prog_size;
MARK_RING(chan, 8, 1);
OUT_RING(chan, RING_3D(NV34TCL_FP_ACTIVE_PROGRAM, 1));
OUT_RELOC(chan, fp->fpbo->bo, offset, NOUVEAU_BO_VRAM |
@@ -1316,11 +1362,28 @@ nvfx_fragprog_validate(struct nvfx_context *nvfx)
}
}
- if(nvfx->dirty & (NVFX_NEW_FRAGPROG | NVFX_NEW_SPRITE))
{
- WAIT_RING(chan, 2);
- OUT_RING(chan, RING_3D(NV34TCL_POINT_SPRITE, 1));
- OUT_RING(chan, fp->point_sprite_control | nvfx->rasterizer->pipe.point_quad_rasterization);
+ unsigned pointsprite_control = fp->point_sprite_control | nvfx->rasterizer->pipe.point_quad_rasterization;
+ if(pointsprite_control != nvfx->hw_pointsprite_control)
+ {
+ WAIT_RING(chan, 2);
+ OUT_RING(chan, RING_3D(NV34TCL_POINT_SPRITE, 1));
+ OUT_RING(chan, pointsprite_control);
+ nvfx->hw_pointsprite_control = pointsprite_control;
+ }
+ }
+
+ if(nvfx->is_nv4x)
+ {
+ unsigned vp_output = vp->or | fp->or;
+
+ if(vp_output != nvfx->hw_vp_output)
+ {
+ WAIT_RING(chan, 2);
+ OUT_RING(chan, RING_3D(NV40TCL_VP_RESULT_EN, 1));
+ OUT_RING(chan, vp_output);
+ nvfx->hw_vp_output = vp_output;
+ }
}
}
diff --git a/src/gallium/drivers/nvfx/nvfx_state.h b/src/gallium/drivers/nvfx/nvfx_state.h
index 1247abcfa21..05d41cfc8dd 100644
--- a/src/gallium/drivers/nvfx/nvfx_state.h
+++ b/src/gallium/drivers/nvfx/nvfx_state.h
@@ -32,7 +32,7 @@ struct nvfx_vertex_program {
unsigned nr_consts;
char generic_to_fp_input[256];
- unsigned texcoord_ouput_mask;
+ int sprite_fp_input;
struct nouveau_resource *exec;
unsigned exec_start;
@@ -67,6 +67,7 @@ struct nvfx_fragment_program {
boolean translated;
unsigned samplers;
unsigned point_sprite_control;
+ unsigned or;
uint32_t *insn;
int insn_len;
diff --git a/src/gallium/drivers/nvfx/nvfx_state_emit.c b/src/gallium/drivers/nvfx/nvfx_state_emit.c
index 8e3c342179d..bd89a385d7c 100644
--- a/src/gallium/drivers/nvfx/nvfx_state_emit.c
+++ b/src/gallium/drivers/nvfx/nvfx_state_emit.c
@@ -17,6 +17,8 @@ nvfx_state_validate_common(struct nvfx_context *nvfx)
{
nvfx->dirty = ~0;
nvfx->hw_vtxelt_nr = 16;
+ nvfx->hw_pointsprite_control = -1;
+ nvfx->hw_vp_output = -1;
nvfx->screen->cur_ctx = nvfx;
}
diff --git a/src/gallium/drivers/nvfx/nvfx_vertprog.c b/src/gallium/drivers/nvfx/nvfx_vertprog.c
index 3c3521e1622..806f263dcff 100644
--- a/src/gallium/drivers/nvfx/nvfx_vertprog.c
+++ b/src/gallium/drivers/nvfx/nvfx_vertprog.c
@@ -235,24 +235,10 @@ emit_dst(struct nvfx_context* nvfx, struct nvfx_vpc *vpc, uint32_t *hw, int slot
dst.index = NVFX_VP(INST_DEST_PSZ);
break;
default:
- if(!nvfx->is_nv4x) {
- switch (dst.index) {
- case NV30_VP_INST_DEST_COL0 : vp->or |= (1 << 0); break;
- case NV30_VP_INST_DEST_COL1 : vp->or |= (1 << 1); break;
- case NV30_VP_INST_DEST_BFC0 : vp->or |= (1 << 2); break;
- case NV30_VP_INST_DEST_BFC1 : vp->or |= (1 << 3); break;
- case NV30_VP_INST_DEST_FOGC: vp->or |= (1 << 4); break;
- case NV30_VP_INST_DEST_PSZ : vp->or |= (1 << 5); break;
- case NV30_VP_INST_DEST_TC(0): vp->or |= (1 << 14); break;
- case NV30_VP_INST_DEST_TC(1): vp->or |= (1 << 15); break;
- case NV30_VP_INST_DEST_TC(2): vp->or |= (1 << 16); break;
- case NV30_VP_INST_DEST_TC(3): vp->or |= (1 << 17); break;
- case NV30_VP_INST_DEST_TC(4): vp->or |= (1 << 18); break;
- case NV30_VP_INST_DEST_TC(5): vp->or |= (1 << 19); break;
- case NV30_VP_INST_DEST_TC(6): vp->or |= (1 << 20); break;
- case NV30_VP_INST_DEST_TC(7): vp->or |= (1 << 21); break;
- }
- } else {
+ if(nvfx->is_nv4x) {
+ /* we don't need vp->or on nv3x
+ * texcoords are handled by fragment program
+ */
switch (dst.index) {
case NV40_VP_INST_DEST_COL0 : vp->or |= (1 << 0); break;
case NV40_VP_INST_DEST_COL1 : vp->or |= (1 << 1); break;
@@ -260,14 +246,6 @@ emit_dst(struct nvfx_context* nvfx, struct nvfx_vpc *vpc, uint32_t *hw, int slot
case NV40_VP_INST_DEST_BFC1 : vp->or |= (1 << 3); break;
case NV40_VP_INST_DEST_FOGC: vp->or |= (1 << 4); break;
case NV40_VP_INST_DEST_PSZ : vp->or |= (1 << 5); break;
- case NV40_VP_INST_DEST_TC(0): vp->or |= (1 << 14); break;
- case NV40_VP_INST_DEST_TC(1): vp->or |= (1 << 15); break;
- case NV40_VP_INST_DEST_TC(2): vp->or |= (1 << 16); break;
- case NV40_VP_INST_DEST_TC(3): vp->or |= (1 << 17); break;
- case NV40_VP_INST_DEST_TC(4): vp->or |= (1 << 18); break;
- case NV40_VP_INST_DEST_TC(5): vp->or |= (1 << 19); break;
- case NV40_VP_INST_DEST_TC(6): vp->or |= (1 << 20); break;
- case NV40_VP_INST_DEST_TC(7): vp->or |= (1 << 21); break;
}
}
break;
@@ -817,13 +795,21 @@ nvfx_vertprog_prepare(struct nvfx_context* nvfx, struct nvfx_vpc *vpc)
/* hope 0xf is (0, 0, 0, 1) initialized; otherwise, we are _probably_ not required to do this */
memset(vpc->vp->generic_to_fp_input, 0x0f, sizeof(vpc->vp->generic_to_fp_input));
- vpc->vp->texcoord_ouput_mask = 0;
for(int i = 0; i < 8; ++i) {
if(sem_layout[i] == 0xff)
continue;
- vpc->vp->texcoord_ouput_mask |= (1 << i);
//printf("vp: GENERIC[%i] to fpreg %i\n", sem_layout[i], NVFX_FP_OP_INPUT_SRC_TC(0) + i);
- vpc->vp->generic_to_fp_input[sem_layout[i]] = 0xf0 | (NVFX_FP_OP_INPUT_SRC_TC(0) + i);
+ vpc->vp->generic_to_fp_input[sem_layout[i]] = 0xf0 | NVFX_FP_OP_INPUT_SRC_TC(i);
+ }
+
+ vpc->vp->sprite_fp_input = -1;
+ for(int i = 0; i < 8; ++i)
+ {
+ if(sem_layout[i] == 0xff)
+ {
+ vpc->vp->sprite_fp_input = NVFX_FP_OP_INPUT_SRC_TC(i);
+ break;
+ }
}
tgsi_parse_init(&p, vpc->vp->pipe.tokens);
@@ -1233,13 +1219,12 @@ nvfx_vertprog_validate(struct nvfx_context *nvfx)
if(nvfx->dirty & (NVFX_NEW_VERTPROG | NVFX_NEW_UCP))
{
- WAIT_RING(chan, 7);
+ WAIT_RING(chan, 6);
OUT_RING(chan, RING_3D(NV34TCL_VP_START_FROM_ID, 1));
OUT_RING(chan, vp->exec->start);
if(nvfx->is_nv4x) {
- OUT_RING(chan, RING_3D(NV40TCL_VP_ATTRIB_EN, 2));
+ OUT_RING(chan, RING_3D(NV40TCL_VP_ATTRIB_EN, 1));
OUT_RING(chan, vp->ir);
- OUT_RING(chan, vp->or);
}
OUT_RING(chan, RING_3D(NV34TCL_VP_CLIP_PLANES_ENABLE, 1));
OUT_RING(chan, vp->clip_ctrl);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 00:33:36 +0000