nvc0: import nvc0 gallium driver

1 files changed, 849 insertions, 0 deletions

diff --git a/src/gallium/drivers/nvc0/nvc0_state.c b/src/gallium/drivers/nvc0/nvc0_state.c
new file mode 100644
index 0000000000..afba7ce6a0
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_state.c
@@ -0,0 +1,849 @@
+/*
+ * 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_defines.h"
+#include "util/u_inlines.h"
+
+#include "tgsi/tgsi_parse.h"
+
+#include "nvc0_stateobj.h"
+#include "nvc0_context.h"
+
+#include "nvc0_3d.xml.h"
+#include "nv50_texture.xml.h"
+
+#include "nouveau/nouveau_gldefs.h"
+
+static INLINE uint32_t
+nvc0_colormask(unsigned mask)
+{
+    uint32_t ret = 0;
+
+    if (mask & PIPE_MASK_R)
+        ret |= 0x0001;
+    if (mask & PIPE_MASK_G)
+        ret |= 0x0010;
+    if (mask & PIPE_MASK_B)
+        ret |= 0x0100;
+    if (mask & PIPE_MASK_A)
+        ret |= 0x1000;
+
+    return ret;
+}
+
+static INLINE uint32_t
+nvc0_blend_fac(unsigned factor)
+{
+    static const uint16_t bf[] = {
+        NV50_3D_BLEND_FACTOR_ZERO, /* 0x00 */
+        NV50_3D_BLEND_FACTOR_ONE,
+        NV50_3D_BLEND_FACTOR_SRC_COLOR,
+        NV50_3D_BLEND_FACTOR_SRC_ALPHA,
+        NV50_3D_BLEND_FACTOR_DST_ALPHA,
+        NV50_3D_BLEND_FACTOR_DST_COLOR,
+        NV50_3D_BLEND_FACTOR_SRC_ALPHA_SATURATE,
+        NV50_3D_BLEND_FACTOR_CONSTANT_COLOR,
+        NV50_3D_BLEND_FACTOR_CONSTANT_ALPHA,
+        NV50_3D_BLEND_FACTOR_SRC1_COLOR,
+        NV50_3D_BLEND_FACTOR_SRC1_ALPHA,
+        NV50_3D_BLEND_FACTOR_ZERO, /* 0x0b */
+        NV50_3D_BLEND_FACTOR_ZERO, /* 0x0c */
+        NV50_3D_BLEND_FACTOR_ZERO, /* 0x0d */
+        NV50_3D_BLEND_FACTOR_ZERO, /* 0x0e */
+        NV50_3D_BLEND_FACTOR_ZERO, /* 0x0f */
+        NV50_3D_BLEND_FACTOR_ZERO, /* 0x10 */
+        NV50_3D_BLEND_FACTOR_ZERO, /* 0x11 */
+        NV50_3D_BLEND_FACTOR_ONE_MINUS_SRC_COLOR,
+        NV50_3D_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
+        NV50_3D_BLEND_FACTOR_ONE_MINUS_DST_ALPHA,
+        NV50_3D_BLEND_FACTOR_ONE_MINUS_DST_COLOR,
+        NV50_3D_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR,
+        NV50_3D_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA,
+        NV50_3D_BLEND_FACTOR_ONE_MINUS_SRC1_COLOR,
+        NV50_3D_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA
+    };
+
+    assert(factor < (sizeof(bf) / sizeof(bf[0])));
+    return bf[factor];
+}
+
+static void *
+nvc0_blend_state_create(struct pipe_context *pipe,
+                        const struct pipe_blend_state *cso)
+{
+    struct nvc0_blend_stateobj *so = CALLOC_STRUCT(nvc0_blend_stateobj);
+    int i;
+
+    so->pipe = *cso;
+
+    SB_OUT_3D(so, BLEND_INDEPENDENT, cso->independent_blend_enable);
+
+    if (!cso->independent_blend_enable) {
+        SB_BEGIN_3D(so, BLEND_ENABLES, 1);
+        SB_DATA    (so, cso->rt[0].blend_enable ? 0xff : 0);
+
+        if (cso->rt[0].blend_enable) {
+            SB_BEGIN_3D(so, BLEND_EQUATION_RGB, 5);
+            SB_DATA    (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
+            SB_DATA    (so, nvc0_blend_fac(cso->rt[0].rgb_src_factor));
+            SB_DATA    (so, nvc0_blend_fac(cso->rt[0].rgb_dst_factor));
+            SB_DATA    (so, nvgl_blend_eqn(cso->rt[0].alpha_func));
+            SB_DATA    (so, nvc0_blend_fac(cso->rt[0].alpha_src_factor));
+            SB_BEGIN_3D(so, BLEND_FUNC_DST_ALPHA, 1);
+            SB_DATA    (so, nvc0_blend_fac(cso->rt[0].alpha_dst_factor));
+        }
+
+        SB_BEGIN_3D(so, COLOR_MASK_BROADCAST, 1);
+        SB_DATA    (so, nvc0_colormask(cso->rt[0].colormask));
+    } else {
+        uint8_t en = 0;
+
+        for (i = 0; i < 8; ++i) {
+            if (!cso->rt[i].blend_enable)
+                continue;
+            en |= 1 << i;
+
+            SB_BEGIN_3D(so, IBLEND_EQUATION_RGB(i), 6);
+            SB_DATA    (so, nvgl_blend_eqn(cso->rt[i].rgb_func));
+            SB_DATA    (so, nvc0_blend_fac(cso->rt[i].rgb_src_factor));
+            SB_DATA    (so, nvc0_blend_fac(cso->rt[i].rgb_dst_factor));
+            SB_DATA    (so, nvgl_blend_eqn(cso->rt[i].alpha_func));
+            SB_DATA    (so, nvc0_blend_fac(cso->rt[i].alpha_src_factor));
+            SB_DATA    (so, nvc0_blend_fac(cso->rt[i].alpha_dst_factor));
+        }
+        SB_BEGIN_3D(so, BLEND_ENABLES, 1);
+        SB_DATA    (so, en);
+
+        SB_BEGIN_3D(so, COLOR_MASK(0), 8);
+        for (i = 0; i < 8; ++i)
+            SB_DATA(so, nvc0_colormask(cso->rt[i].colormask));
+    }
+
+    if (cso->logicop_enable) {
+       SB_BEGIN_3D(so, LOGIC_OP_ENABLE, 2);
+       SB_DATA    (so, 1);
+       SB_DATA    (so, nvgl_logicop_func(cso->logicop_func));
+    } else {
+       SB_OUT_3D  (so, LOGIC_OP_ENABLE, 0);
+    }
+
+    assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
+    return so;
+}
+
+static void
+nvc0_blend_state_bind(struct pipe_context *pipe, void *hwcso)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->blend = hwcso;
+    nvc0->dirty |= NVC0_NEW_BLEND;
+}
+
+static void
+nvc0_blend_state_delete(struct pipe_context *pipe, void *hwcso)
+{
+    FREE(hwcso);
+}
+
+static void *
+nvc0_rasterizer_state_create(struct pipe_context *pipe,
+                             const struct pipe_rasterizer_state *cso)
+{
+    struct nvc0_rasterizer_stateobj *so;
+
+    so = CALLOC_STRUCT(nvc0_rasterizer_stateobj);
+    if (!so)
+        return NULL;
+    so->pipe = *cso;
+    
+    SB_BEGIN_3D(so, SHADE_MODEL, 1);
+    SB_DATA    (so, cso->flatshade ? NVC0_3D_SHADE_MODEL_FLAT :
+                                     NVC0_3D_SHADE_MODEL_SMOOTH);
+    SB_OUT_3D  (so, PROVOKING_VERTEX_LAST, !cso->flatshade_first);
+    SB_OUT_3D  (so, VERTEX_TWO_SIDE_ENABLE, cso->light_twoside);
+
+    SB_BEGIN_3D(so, LINE_WIDTH, 1);
+    SB_DATA    (so, fui(cso->line_width));
+    SB_OUT_3D  (so, LINE_SMOOTH_ENABLE, cso->line_smooth);
+
+    SB_BEGIN_3D(so, LINE_STIPPLE_ENABLE, 1);
+    if (cso->line_stipple_enable) {
+        SB_DATA    (so, 1);
+        SB_BEGIN_3D(so, LINE_STIPPLE_PATTERN, 1);
+        SB_DATA    (so, (cso->line_stipple_pattern << 8) |
+                         cso->line_stipple_factor);
+                    
+    } else {
+        SB_DATA    (so, 0);
+    }
+
+    SB_OUT_3D(so, VP_POINT_SIZE_EN, cso->point_size_per_vertex);
+    if (!cso->point_size_per_vertex) {
+       SB_BEGIN_3D(so, POINT_SIZE, 1);
+       SB_DATA    (so, fui(cso->point_size));
+    }
+    SB_OUT_3D(so, POINT_SPRITE_ENABLE, cso->point_quad_rasterization);
+
+    SB_BEGIN_3D(so, POLYGON_MODE_FRONT, 1);
+    SB_DATA    (so, nvgl_polygon_mode(cso->fill_front));
+    SB_BEGIN_3D(so, POLYGON_MODE_BACK, 1);
+    SB_DATA    (so, nvgl_polygon_mode(cso->fill_back));
+    SB_OUT_3D  (so, POLYGON_SMOOTH_ENABLE, cso->poly_smooth);
+
+    if (cso->cull_face != PIPE_FACE_NONE) {
+        SB_BEGIN_3D(so, CULL_FACE_ENABLE, 3);
+        SB_DATA    (so, 1);
+        SB_DATA    (so, cso->front_ccw ? NVC0_3D_FRONT_FACE_CCW :
+                                         NVC0_3D_FRONT_FACE_CW);
+        switch (cso->cull_face) {
+        case PIPE_FACE_FRONT_AND_BACK:
+            SB_DATA(so, NVC0_3D_CULL_FACE_FRONT_AND_BACK);
+            break;
+        case PIPE_FACE_FRONT:
+            SB_DATA(so, NVC0_3D_CULL_FACE_FRONT);
+            break;
+        case PIPE_FACE_BACK:
+        default:
+            SB_DATA(so, NVC0_3D_CULL_FACE_BACK);
+            break;
+        }
+    } else {
+       SB_OUT_3D(so, CULL_FACE_ENABLE, 0);
+    }
+
+    SB_OUT_3D  (so, POLYGON_STIPPLE_ENABLE, cso->poly_stipple_enable);
+    SB_BEGIN_3D(so, POLYGON_OFFSET_POINT_ENABLE, 3);
+    SB_DATA    (so, cso->offset_point);
+    SB_DATA    (so, cso->offset_line);
+    SB_DATA    (so, cso->offset_tri);
+
+    if (cso->offset_point || cso->offset_line || cso->offset_tri) {
+        SB_BEGIN_3D(so, POLYGON_OFFSET_FACTOR, 1);
+        SB_DATA    (so, fui(cso->offset_scale));
+        SB_BEGIN_3D(so, POLYGON_OFFSET_UNITS, 1);
+        SB_DATA    (so, fui(cso->offset_units)); /* XXX: multiply by 2 ? */
+    }
+
+    assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
+    return (void *)so;
+}
+
+static void
+nvc0_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
+{
+   struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+   nvc0->rast = hwcso;
+   nvc0->dirty |= NVC0_NEW_RASTERIZER;
+}
+
+static void
+nvc0_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
+{
+   FREE(hwcso);
+}
+
+static void *
+nvc0_zsa_state_create(struct pipe_context *pipe,
+                      const struct pipe_depth_stencil_alpha_state *cso)
+{
+   struct nvc0_zsa_stateobj *so = CALLOC_STRUCT(nvc0_zsa_stateobj);
+
+   so->pipe = *cso;
+
+   SB_OUT_3D  (so, DEPTH_WRITE_ENABLE, cso->depth.writemask);
+   SB_BEGIN_3D(so, DEPTH_TEST_ENABLE, 1);
+   if (cso->depth.enabled) {
+      SB_DATA    (so, 1);
+      SB_BEGIN_3D(so, DEPTH_TEST_FUNC, 1);
+      SB_DATA    (so, nvgl_comparison_op(cso->depth.func));
+   } else {
+      SB_DATA    (so, 0);
+   }
+
+   if (cso->stencil[0].enabled) {
+      SB_BEGIN_3D(so, STENCIL_FRONT_ENABLE, 5);
+      SB_DATA    (so, 1);
+      SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].fail_op));
+      SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
+      SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
+      SB_DATA    (so, nvgl_comparison_op(cso->stencil[0].func));
+      SB_BEGIN_3D(so, STENCIL_FRONT_MASK, 2);
+      SB_DATA    (so, cso->stencil[0].writemask);
+      SB_DATA    (so, cso->stencil[0].valuemask);
+   } else {
+      SB_OUT_3D  (so, STENCIL_FRONT_ENABLE, 0);
+   }
+
+   if (cso->stencil[1].enabled) {
+      SB_BEGIN_3D(so, STENCIL_TWO_SIDE_ENABLE, 5);
+      SB_DATA    (so, 1);
+      SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].fail_op));
+      SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
+      SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
+      SB_DATA    (so, nvgl_comparison_op(cso->stencil[1].func));
+      SB_BEGIN_3D(so, STENCIL_BACK_MASK, 2);
+      SB_DATA    (so, cso->stencil[1].writemask);
+      SB_DATA    (so, cso->stencil[1].valuemask);
+   } else {
+      SB_OUT_3D  (so, STENCIL_TWO_SIDE_ENABLE, 0);
+   }
+    
+   SB_BEGIN_3D(so, ALPHA_TEST_ENABLE, 1);
+   if (cso->alpha.enabled) {
+      SB_DATA    (so, 1);
+      SB_BEGIN_3D(so, ALPHA_TEST_REF, 2);
+      SB_DATA    (so, fui(cso->alpha.ref_value));
+      SB_DATA    (so, nvgl_comparison_op(cso->alpha.func));
+   } else {
+      SB_DATA    (so, 0);
+   }
+
+   assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
+   return (void *)so;
+}
+
+static void
+nvc0_zsa_state_bind(struct pipe_context *pipe, void *hwcso)
+{
+   struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+   nvc0->zsa = hwcso;
+   nvc0->dirty |= NVC0_NEW_ZSA;
+}
+
+static void
+nvc0_zsa_state_delete(struct pipe_context *pipe, void *hwcso)
+{
+   FREE(hwcso);
+}
+
+/* ====================== SAMPLERS AND TEXTURES ================================
+ */
+
+#define NV50_TSC_WRAP_CASE(n) \
+    case PIPE_TEX_WRAP_##n: return NV50_TSC_WRAP_##n
+
+static INLINE unsigned
+nv50_tsc_wrap_mode(unsigned wrap)
+{
+   switch (wrap) {
+   NV50_TSC_WRAP_CASE(REPEAT);
+   NV50_TSC_WRAP_CASE(MIRROR_REPEAT);
+   NV50_TSC_WRAP_CASE(CLAMP_TO_EDGE);
+   NV50_TSC_WRAP_CASE(CLAMP_TO_BORDER);
+   NV50_TSC_WRAP_CASE(CLAMP);
+   NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_EDGE);
+   NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_BORDER);
+   NV50_TSC_WRAP_CASE(MIRROR_CLAMP);
+   default:
+       NOUVEAU_ERR("unknown wrap mode: %d\n", wrap);
+       return NV50_TSC_WRAP_REPEAT;
+   }
+}
+
+static void *
+nvc0_sampler_state_create(struct pipe_context *pipe,
+                          const struct pipe_sampler_state *cso)
+{
+   struct nvc0_tsc_entry *so = CALLOC_STRUCT(nvc0_tsc_entry);
+   float f[2];
+
+   so->id = -1;
+
+   so->tsc[0] = (0x00026000 |
+                 (nv50_tsc_wrap_mode(cso->wrap_s) << 0) |
+                 (nv50_tsc_wrap_mode(cso->wrap_t) << 3) |
+                 (nv50_tsc_wrap_mode(cso->wrap_r) << 6));
+
+   switch (cso->mag_img_filter) {
+   case PIPE_TEX_FILTER_LINEAR:
+      so->tsc[1] |= NV50_TSC_1_MAGF_LINEAR;
+      break;
+   case PIPE_TEX_FILTER_NEAREST:
+   default:
+      so->tsc[1] |= NV50_TSC_1_MAGF_NEAREST;
+      break;
+   }
+
+   switch (cso->min_img_filter) {
+   case PIPE_TEX_FILTER_LINEAR:
+      so->tsc[1] |= NV50_TSC_1_MINF_LINEAR;
+      break;
+   case PIPE_TEX_FILTER_NEAREST:
+   default:
+      so->tsc[1] |= NV50_TSC_1_MINF_NEAREST;
+      break;
+   }
+
+   switch (cso->min_mip_filter) {
+   case PIPE_TEX_MIPFILTER_LINEAR:
+      so->tsc[1] |= NV50_TSC_1_MIPF_LINEAR;
+      break;
+   case PIPE_TEX_MIPFILTER_NEAREST:
+      so->tsc[1] |= NV50_TSC_1_MIPF_NEAREST;
+      break;
+   case PIPE_TEX_MIPFILTER_NONE:
+   default:
+      so->tsc[1] |= NV50_TSC_1_MIPF_NONE;
+      break;
+   }
+
+   if (cso->max_anisotropy >= 16)
+      so->tsc[0] |= (7 << 20);
+   else
+   if (cso->max_anisotropy >= 12)
+      so->tsc[0] |= (6 << 20);
+   else {
+      so->tsc[0] |= (cso->max_anisotropy >> 1) << 20;
+
+      if (cso->max_anisotropy >= 4)
+         so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_35;
+      else
+      if (cso->max_anisotropy >= 2)
+         so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_15;
+   }
+
+   if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
+      /* NOTE: must be deactivated for non-shadow textures */
+      so->tsc[0] |= (1 << 9);
+      so->tsc[0] |= (nvgl_comparison_op(cso->compare_func) & 0x7) << 10;
+   }
+
+   f[0] = CLAMP(cso->lod_bias, -16.0f, 15.0f);
+   so->tsc[1] |= ((int)(f[0] * 256.0f) & 0x1fff) << 12;
+
+   f[0] = CLAMP(cso->min_lod, 0.0f, 15.0f);
+   f[1] = CLAMP(cso->max_lod, 0.0f, 15.0f);
+   so->tsc[2] |=
+      (((int)(f[1] * 256.0f) & 0xfff) << 12) | ((int)(f[0] * 256.0f) & 0xfff);
+
+   so->tsc[4] = fui(cso->border_color[0]);
+   so->tsc[5] = fui(cso->border_color[1]);
+   so->tsc[6] = fui(cso->border_color[2]);
+   so->tsc[7] = fui(cso->border_color[3]);
+
+   return (void *)so;
+}
+
+static void
+nvc0_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
+{
+   unsigned s, i;
+
+   for (s = 0; s < 5; ++s)
+      for (i = 0; i < nvc0_context(pipe)->num_samplers[s]; ++i)
+         if (nvc0_context(pipe)->samplers[s][i] == hwcso)
+            nvc0_context(pipe)->samplers[s][i] = NULL;
+
+   nvc0_screen_tsc_free(nvc0_context(pipe)->screen, nvc0_tsc_entry(hwcso));
+
+   FREE(hwcso);
+}
+
+static INLINE void
+nvc0_stage_sampler_states_bind(struct nvc0_context *nvc0, int s,
+                               unsigned nr, void **hwcso)
+{
+   unsigned i;
+
+   for (i = 0; i < nr; ++i) {
+      struct nvc0_tsc_entry *old = nvc0->samplers[s][i];
+
+      nvc0->samplers[s][i] = nvc0_tsc_entry(hwcso[i]);
+      if (old)
+         nvc0_screen_tsc_unlock(nvc0->screen, old);
+   }
+   for (; i < nvc0->num_samplers[s]; ++i)
+      if (nvc0->samplers[s][i])
+         nvc0_screen_tsc_unlock(nvc0->screen, nvc0->samplers[s][i]);
+
+   nvc0->num_samplers[s] = nr;
+
+   nvc0->dirty |= NVC0_NEW_SAMPLERS;
+}
+
+static void
+nvc0_vp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
+{
+   nvc0_stage_sampler_states_bind(nvc0_context(pipe), 0, nr, s);
+}
+
+static void
+nvc0_fp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
+{
+   nvc0_stage_sampler_states_bind(nvc0_context(pipe), 4, nr, s);
+}
+
+static void
+nvc0_gp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
+{
+   nvc0_stage_sampler_states_bind(nvc0_context(pipe), 3, nr, s);
+}
+
+/* NOTE: only called when not referenced anywhere, won't be bound */
+static void
+nvc0_sampler_view_destroy(struct pipe_context *pipe,
+                          struct pipe_sampler_view *view)
+{
+   pipe_resource_reference(&view->texture, NULL);
+
+   nvc0_screen_tic_free(nvc0_context(pipe)->screen, nvc0_tic_entry(view));
+
+   FREE(nvc0_tic_entry(view));
+}
+
+static INLINE void
+nvc0_stage_set_sampler_views(struct nvc0_context *nvc0, int s,
+                             unsigned nr,
+                             struct pipe_sampler_view **views)
+{
+   unsigned i;
+
+   for (i = 0; i < nr; ++i) {
+      struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
+      if (old)
+         nvc0_screen_tic_unlock(nvc0->screen, old);
+
+      pipe_sampler_view_reference(&nvc0->textures[s][i], views[i]);
+   }
+
+   for (i = nr; i < nvc0->num_textures[s]; ++i) {
+      struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
+      if (!old)
+         continue;
+      nvc0_screen_tic_unlock(nvc0->screen, old);
+
+      pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
+   }
+
+   nvc0->num_textures[s] = nr;
+
+   nvc0->dirty |= NVC0_NEW_TEXTURES;
+}
+
+static void
+nvc0_vp_set_sampler_views(struct pipe_context *pipe,
+                          unsigned nr,
+                          struct pipe_sampler_view **views)
+{
+   nvc0_stage_set_sampler_views(nvc0_context(pipe), 0, nr, views);
+}
+
+static void
+nvc0_fp_set_sampler_views(struct pipe_context *pipe,
+                          unsigned nr,
+                          struct pipe_sampler_view **views)
+{
+   nvc0_stage_set_sampler_views(nvc0_context(pipe), 4, nr, views);
+}
+
+static void
+nvc0_gp_set_sampler_views(struct pipe_context *pipe,
+                          unsigned nr,
+                          struct pipe_sampler_view **views)
+{
+   nvc0_stage_set_sampler_views(nvc0_context(pipe), 3, nr, views);
+}
+
+/* ============================= SHADERS =======================================
+ */
+
+static void *
+nvc0_sp_state_create(struct pipe_context *pipe,
+                     const struct pipe_shader_state *cso, unsigned type)
+{
+   struct nvc0_program *prog;
+
+   prog = CALLOC_STRUCT(nvc0_program);
+   if (!prog)
+      return NULL;
+
+   prog->type = type;
+   prog->pipe.tokens = tgsi_dup_tokens(cso->tokens);
+
+   return (void *)prog;
+}
+
+static void
+nvc0_sp_state_delete(struct pipe_context *pipe, void *hwcso)
+{
+   struct nvc0_program *prog = (struct nvc0_program *)hwcso;
+
+   nvc0_program_destroy(nvc0_context(pipe), prog);
+
+   FREE((void *)prog->pipe.tokens);
+   FREE(prog);
+}
+
+static void *
+nvc0_vp_state_create(struct pipe_context *pipe,
+                     const struct pipe_shader_state *cso)
+{
+   return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_VERTEX);
+}
+
+static void
+nvc0_vp_state_bind(struct pipe_context *pipe, void *hwcso)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->vertprog = hwcso;
+    nvc0->dirty |= NVC0_NEW_VERTPROG;
+}
+
+static void *
+nvc0_fp_state_create(struct pipe_context *pipe,
+                     const struct pipe_shader_state *cso)
+{
+   return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_FRAGMENT);
+}
+
+static void
+nvc0_fp_state_bind(struct pipe_context *pipe, void *hwcso)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->fragprog = hwcso;
+    nvc0->dirty |= NVC0_NEW_FRAGPROG;
+}
+
+static void *
+nvc0_gp_state_create(struct pipe_context *pipe,
+                     const struct pipe_shader_state *cso)
+{
+   return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_GEOMETRY);
+}
+
+static void
+nvc0_gp_state_bind(struct pipe_context *pipe, void *hwcso)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->gmtyprog = hwcso;
+    nvc0->dirty |= NVC0_NEW_GMTYPROG;
+}
+
+static void
+nvc0_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
+                         struct pipe_resource *res)
+{
+   struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+   switch (shader) {
+   case PIPE_SHADER_VERTEX: shader = 0; break;
+      /*
+   case PIPE_SHADER_TESSELLATION_CONTROL: shader = 1; break;
+   case PIPE_SHADER_TESSELLATION_EVALUATION: shader = 2; break;
+      */
+   case PIPE_SHADER_GEOMETRY: shader = 3; break;
+   case PIPE_SHADER_FRAGMENT: shader = 4; break;
+   default:
+      assert(0);
+      break;
+   }
+
+   if (nvc0->constbuf[shader][index])
+      nvc0_bufctx_del_resident(nvc0, NVC0_BUFCTX_CONSTANT,
+			       nvc0_resource(
+				       nvc0->constbuf[shader][index]));
+
+   pipe_resource_reference(&nvc0->constbuf[shader][index], res);
+
+   nvc0->constbuf_dirty[shader] |= 1 << index;
+
+   nvc0->dirty |= NVC0_NEW_CONSTBUF;
+}
+
+/* =============================================================================
+ */
+
+static void
+nvc0_set_blend_color(struct pipe_context *pipe,
+                     const struct pipe_blend_color *bcol)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->blend_colour = *bcol;
+    nvc0->dirty |= NVC0_NEW_BLEND_COLOUR;
+}
+
+static void
+nvc0_set_stencil_ref(struct pipe_context *pipe,
+                     const struct pipe_stencil_ref *sr)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->stencil_ref = *sr;
+    nvc0->dirty |= NVC0_NEW_STENCIL_REF;
+}
+
+static void
+nvc0_set_clip_state(struct pipe_context *pipe,
+                    const struct pipe_clip_state *clip)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->clip.depth_clamp = clip->depth_clamp;
+    nvc0->dirty |= NVC0_NEW_CLIP;
+}
+
+static void
+nvc0_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->sample_mask = sample_mask;
+    nvc0->dirty |= NVC0_NEW_SAMPLE_MASK;
+}
+
+
+static void
+nvc0_set_framebuffer_state(struct pipe_context *pipe,
+                           const struct pipe_framebuffer_state *fb)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->framebuffer = *fb;
+    nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
+}
+
+static void
+nvc0_set_polygon_stipple(struct pipe_context *pipe,
+                         const struct pipe_poly_stipple *stipple)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->stipple = *stipple;
+    nvc0->dirty |= NVC0_NEW_STIPPLE;
+}
+
+static void
+nvc0_set_scissor_state(struct pipe_context *pipe,
+                       const struct pipe_scissor_state *scissor)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->scissor = *scissor;
+    nvc0->dirty |= NVC0_NEW_SCISSOR;
+}
+
+static void
+nvc0_set_viewport_state(struct pipe_context *pipe,
+                        const struct pipe_viewport_state *vpt)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->viewport = *vpt;
+    nvc0->dirty |= NVC0_NEW_VIEWPORT;
+}
+
+static void
+nvc0_set_vertex_buffers(struct pipe_context *pipe,
+                        unsigned count,
+                        const struct pipe_vertex_buffer *vb)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    memcpy(nvc0->vtxbuf, vb, sizeof(*vb) * count);
+    nvc0->num_vtxbufs = count;
+
+    nvc0->dirty |= NVC0_NEW_ARRAYS;
+}
+
+static void
+nvc0_set_index_buffer(struct pipe_context *pipe,
+                      const struct pipe_index_buffer *ib)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    if (ib)
+        memcpy(&nvc0->idxbuf, ib, sizeof(nvc0->idxbuf));
+    else
+        nvc0->idxbuf.buffer = NULL;
+}
+
+static void
+nvc0_vertex_state_bind(struct pipe_context *pipe, void *hwcso)
+{
+    struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+    nvc0->vertex = hwcso;
+    nvc0->dirty |= NVC0_NEW_VERTEX;
+}
+
+void
+nvc0_init_state_functions(struct nvc0_context *nvc0)
+{
+    nvc0->pipe.create_blend_state = nvc0_blend_state_create;
+    nvc0->pipe.bind_blend_state = nvc0_blend_state_bind;
+    nvc0->pipe.delete_blend_state = nvc0_blend_state_delete;
+
+    nvc0->pipe.create_rasterizer_state = nvc0_rasterizer_state_create;
+    nvc0->pipe.bind_rasterizer_state = nvc0_rasterizer_state_bind;
+    nvc0->pipe.delete_rasterizer_state = nvc0_rasterizer_state_delete;
+
+    nvc0->pipe.create_depth_stencil_alpha_state = nvc0_zsa_state_create;
+    nvc0->pipe.bind_depth_stencil_alpha_state = nvc0_zsa_state_bind;
+    nvc0->pipe.delete_depth_stencil_alpha_state = nvc0_zsa_state_delete;
+
+    nvc0->pipe.create_sampler_state = nvc0_sampler_state_create;
+    nvc0->pipe.delete_sampler_state = nvc0_sampler_state_delete;
+    nvc0->pipe.bind_vertex_sampler_states   = nvc0_vp_sampler_states_bind;
+    nvc0->pipe.bind_fragment_sampler_states = nvc0_fp_sampler_states_bind;
+    nvc0->pipe.bind_geometry_sampler_states = nvc0_gp_sampler_states_bind;
+
+    nvc0->pipe.create_sampler_view = nvc0_create_sampler_view;
+    nvc0->pipe.sampler_view_destroy = nvc0_sampler_view_destroy;
+    nvc0->pipe.set_vertex_sampler_views   = nvc0_vp_set_sampler_views;
+    nvc0->pipe.set_fragment_sampler_views = nvc0_fp_set_sampler_views;
+    nvc0->pipe.set_geometry_sampler_views = nvc0_gp_set_sampler_views;
+
+    nvc0->pipe.create_vs_state = nvc0_vp_state_create;
+    nvc0->pipe.create_fs_state = nvc0_fp_state_create;
+    nvc0->pipe.create_gs_state = nvc0_gp_state_create;
+    nvc0->pipe.bind_vs_state = nvc0_vp_state_bind;
+    nvc0->pipe.bind_fs_state = nvc0_fp_state_bind;
+    nvc0->pipe.bind_gs_state = nvc0_gp_state_bind;
+    nvc0->pipe.delete_vs_state = nvc0_sp_state_delete;
+    nvc0->pipe.delete_fs_state = nvc0_sp_state_delete;
+    nvc0->pipe.delete_gs_state = nvc0_sp_state_delete;
+
+    nvc0->pipe.set_blend_color = nvc0_set_blend_color;
+    nvc0->pipe.set_stencil_ref = nvc0_set_stencil_ref;
+    nvc0->pipe.set_clip_state = nvc0_set_clip_state;
+    nvc0->pipe.set_sample_mask = nvc0_set_sample_mask;
+    nvc0->pipe.set_constant_buffer = nvc0_set_constant_buffer;
+    nvc0->pipe.set_framebuffer_state = nvc0_set_framebuffer_state;
+    nvc0->pipe.set_polygon_stipple = nvc0_set_polygon_stipple;
+    nvc0->pipe.set_scissor_state = nvc0_set_scissor_state;
+    nvc0->pipe.set_viewport_state = nvc0_set_viewport_state;
+
+    nvc0->pipe.create_vertex_elements_state = nvc0_vertex_state_create;
+    nvc0->pipe.delete_vertex_elements_state = nvc0_vertex_state_delete;
+    nvc0->pipe.bind_vertex_elements_state = nvc0_vertex_state_bind;
+
+    nvc0->pipe.set_vertex_buffers = nvc0_set_vertex_buffers;
+    nvc0->pipe.set_index_buffer = nvc0_set_index_buffer;
+}
+