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Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_shader_state.c')
-rw-r--r--src/gallium/drivers/nvc0/nvc0_shader_state.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_shader_state.c b/src/gallium/drivers/nvc0/nvc0_shader_state.c
new file mode 100644
index 0000000000..7294eaa222
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_shader_state.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright 2010 Christoph Bumiller
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_state.h"
+#include "util/u_inlines.h"
+
+#include "nvc0_context.h"
+
+static INLINE void
+nvc0_program_update_context_state(struct nvc0_context *nvc0,
+ struct nvc0_program *prog, int stage)
+{
+ if (prog->hdr[1])
+ nvc0->state.tls_required |= 1 << stage;
+ else
+ nvc0->state.tls_required &= ~(1 << stage);
+}
+
+static boolean
+nvc0_program_validate(struct nvc0_context *nvc0, struct nvc0_program *prog)
+{
+ int ret;
+ unsigned size;
+
+ if (prog->translated)
+ return TRUE;
+
+ prog->translated = nvc0_program_translate(prog);
+ if (!prog->translated)
+ return FALSE;
+
+ size = align(prog->code_size + NVC0_SHADER_HEADER_SIZE, 0x100);
+
+ ret = nouveau_resource_alloc(nvc0->screen->text_heap, size, prog,
+ &prog->res);
+ if (ret)
+ return FALSE;
+
+ prog->code_base = prog->res->start;
+
+ nvc0_m2mf_push_linear(&nvc0->base, nvc0->screen->text, prog->code_base,
+ NOUVEAU_BO_VRAM, NVC0_SHADER_HEADER_SIZE, prog->hdr);
+ nvc0_m2mf_push_linear(&nvc0->base, nvc0->screen->text,
+ prog->code_base + NVC0_SHADER_HEADER_SIZE,
+ NOUVEAU_BO_VRAM, prog->code_size, prog->code);
+
+ BEGIN_RING(nvc0->screen->base.channel, RING_3D(MEM_BARRIER), 1);
+ OUT_RING (nvc0->screen->base.channel, 0x1111);
+
+ return TRUE;
+}
+
+void
+nvc0_vertprog_validate(struct nvc0_context *nvc0)
+{
+ struct nouveau_channel *chan = nvc0->screen->base.channel;
+ struct nvc0_program *vp = nvc0->vertprog;
+
+ if (nvc0->clip.nr > vp->vp.num_ucps) {
+ assert(nvc0->clip.nr <= 6);
+ vp->vp.num_ucps = 6;
+
+ if (vp->translated)
+ nvc0_program_destroy(nvc0, vp);
+ }
+
+ if (!nvc0_program_validate(nvc0, vp))
+ return;
+ nvc0_program_update_context_state(nvc0, vp, 0);
+
+ BEGIN_RING(chan, RING_3D(SP_SELECT(1)), 2);
+ OUT_RING (chan, 0x11);
+ OUT_RING (chan, vp->code_base);
+ BEGIN_RING(chan, RING_3D(SP_GPR_ALLOC(1)), 1);
+ OUT_RING (chan, vp->max_gpr);
+
+ // BEGIN_RING(chan, RING_3D_(0x163c), 1);
+ // OUT_RING (chan, 0);
+ BEGIN_RING(chan, RING_3D(VERT_COLOR_CLAMP_EN), 1);
+ OUT_RING (chan, 1);
+}
+
+void
+nvc0_fragprog_validate(struct nvc0_context *nvc0)
+{
+ struct nouveau_channel *chan = nvc0->screen->base.channel;
+ struct nvc0_program *fp = nvc0->fragprog;
+
+ if (!nvc0_program_validate(nvc0, fp))
+ return;
+ nvc0_program_update_context_state(nvc0, fp, 4);
+
+ BEGIN_RING(chan, RING_3D(SP_SELECT(5)), 2);
+ OUT_RING (chan, 0x51);
+ OUT_RING (chan, fp->code_base);
+ BEGIN_RING(chan, RING_3D(SP_GPR_ALLOC(5)), 1);
+ OUT_RING (chan, fp->max_gpr);
+
+ BEGIN_RING(chan, RING_3D_(0x0360), 2);
+ OUT_RING (chan, 0x20164010);
+ OUT_RING (chan, 0x20);
+ BEGIN_RING(chan, RING_3D_(0x196c), 1);
+ OUT_RING (chan, fp->flags[0]);
+}
+
+void
+nvc0_tctlprog_validate(struct nvc0_context *nvc0)
+{
+ struct nouveau_channel *chan = nvc0->screen->base.channel;
+ struct nvc0_program *tp = nvc0->tctlprog;
+
+ if (!tp) {
+ BEGIN_RING(chan, RING_3D(SP_SELECT(2)), 1);
+ OUT_RING (chan, 0x20);
+ return;
+ }
+ if (!nvc0_program_validate(nvc0, tp))
+ return;
+ nvc0_program_update_context_state(nvc0, tp, 1);
+
+ BEGIN_RING(chan, RING_3D(SP_SELECT(2)), 2);
+ OUT_RING (chan, 0x21);
+ OUT_RING (chan, tp->code_base);
+ BEGIN_RING(chan, RING_3D(SP_GPR_ALLOC(2)), 1);
+ OUT_RING (chan, tp->max_gpr);
+}
+
+void
+nvc0_tevlprog_validate(struct nvc0_context *nvc0)
+{
+ struct nouveau_channel *chan = nvc0->screen->base.channel;
+ struct nvc0_program *tp = nvc0->tevlprog;
+
+ if (!tp) {
+ BEGIN_RING(chan, RING_3D(TEP_SELECT), 1);
+ OUT_RING (chan, 0x30);
+ return;
+ }
+ if (!nvc0_program_validate(nvc0, tp))
+ return;
+ nvc0_program_update_context_state(nvc0, tp, 2);
+
+ BEGIN_RING(chan, RING_3D(TEP_SELECT), 1);
+ OUT_RING (chan, 0x31);
+ BEGIN_RING(chan, RING_3D(SP_START_ID(3)), 1);
+ OUT_RING (chan, tp->code_base);
+ BEGIN_RING(chan, RING_3D(SP_GPR_ALLOC(3)), 1);
+ OUT_RING (chan, tp->max_gpr);
+}
+
+void
+nvc0_gmtyprog_validate(struct nvc0_context *nvc0)
+{
+ struct nouveau_channel *chan = nvc0->screen->base.channel;
+ struct nvc0_program *gp = nvc0->gmtyprog;
+
+ if (!gp) {
+ BEGIN_RING(chan, RING_3D(GP_SELECT), 1);
+ OUT_RING (chan, 0x40);
+ return;
+ }
+ if (!nvc0_program_validate(nvc0, gp))
+ return;
+ nvc0_program_update_context_state(nvc0, gp, 3);
+
+ BEGIN_RING(chan, RING_3D(GP_SELECT), 1);
+ OUT_RING (chan, 0x41);
+ BEGIN_RING(chan, RING_3D(SP_START_ID(4)), 1);
+ OUT_RING (chan, gp->code_base);
+ BEGIN_RING(chan, RING_3D(SP_GPR_ALLOC(4)), 1);
+ OUT_RING (chan, gp->max_gpr);
+}
+
+/* It's *is* kind of shader related. We need to inspect the program
+ * to get the output locations right.
+ */
+void
+nvc0_tfb_validate(struct nvc0_context *nvc0)
+{
+ struct nouveau_channel *chan = nvc0->screen->base.channel;
+ struct nvc0_program *vp;
+ struct nvc0_transform_feedback_state *tfb = nvc0->tfb;
+ int b;
+
+ BEGIN_RING(chan, RING_3D(TFB_ENABLE), 1);
+ if (!tfb) {
+ OUT_RING(chan, 0);
+ return;
+ }
+ OUT_RING(chan, 1);
+
+ vp = nvc0->vertprog ? nvc0->vertprog : nvc0->gmtyprog;
+
+ for (b = 0; b < nvc0->num_tfbbufs; ++b) {
+ uint8_t idx, var[128];
+ int i, n;
+ struct nv04_resource *buf = nv04_resource(nvc0->tfbbuf[b]);
+
+ BEGIN_RING(chan, RING_3D(TFB_BUFFER_ENABLE(b)), 5);
+ OUT_RING (chan, 1);
+ OUT_RESRCh(chan, buf, nvc0->tfb_offset[b], NOUVEAU_BO_WR);
+ OUT_RESRCl(chan, buf, nvc0->tfb_offset[b], NOUVEAU_BO_WR);
+ OUT_RING (chan, buf->base.width0 - nvc0->tfb_offset[b]);
+ OUT_RING (chan, 0); /* TFB_PRIMITIVE_ID <- offset ? */
+
+ if (!(nvc0->dirty & NVC0_NEW_TFB))
+ continue;
+
+ BEGIN_RING(chan, RING_3D(TFB_UNK07X0(b)), 3);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, tfb->varying_count[b]);
+ OUT_RING (chan, tfb->stride[b]);
+
+ n = b ? tfb->varying_count[b - 1] : 0;
+ i = 0;
+ for (; i < tfb->varying_count[b]; ++i) {
+ idx = tfb->varying_index[n + i];
+ var[i] = vp->vp.out_pos[idx >> 2] + (idx & 3);
+ }
+ for (; i & 3; ++i)
+ var[i] = 0;
+
+ BEGIN_RING(chan, RING_3D(TFB_VARYING_LOCS(b, 0)), i / 4);
+ OUT_RINGp (chan, var, i / 4);
+ }
+ for (; b < 4; ++b)
+ IMMED_RING(chan, RING_3D(TFB_BUFFER_ENABLE(b)), 0);
+}
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