Merge commit 'origin/gallium-0.1' into gallium-0.1

Conflicts:

	src/gallium/drivers/softpipe/sp_quad_fs.c
	src/gallium/drivers/softpipe/sp_state.h
	src/gallium/drivers/softpipe/sp_state_fs.c

1 files changed, 694 insertions, 0 deletions

diff --git a/src/gallium/drivers/i915simple/i915_state.c b/src/gallium/drivers/i915simple/i915_state.c
new file mode 100644
index 00000000000..294e6fad035
--- /dev/null
+++ b/src/gallium/drivers/i915simple/i915_state.c
@@ -0,0 +1,694 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ * 
+ **************************************************************************/
+
+/* Authors:  Keith Whitwell <[email protected]>
+ */
+
+
+#include "draw/draw_context.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_util.h"
+
+#include "i915_context.h"
+#include "i915_reg.h"
+#include "i915_state.h"
+#include "i915_state_inlines.h"
+
+
+/* The i915 (and related graphics cores) do not support GL_CLAMP.  The
+ * Intel drivers for "other operating systems" implement GL_CLAMP as
+ * GL_CLAMP_TO_EDGE, so the same is done here.
+ */
+static unsigned
+translate_wrap_mode(unsigned wrap)
+{
+   switch (wrap) {
+   case PIPE_TEX_WRAP_REPEAT:
+      return TEXCOORDMODE_WRAP;
+   case PIPE_TEX_WRAP_CLAMP:
+      return TEXCOORDMODE_CLAMP_EDGE;   /* not quite correct */
+   case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
+      return TEXCOORDMODE_CLAMP_EDGE;
+   case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
+      return TEXCOORDMODE_CLAMP_BORDER;
+//   case PIPE_TEX_WRAP_MIRRORED_REPEAT:
+//      return TEXCOORDMODE_MIRROR;
+   default:
+      return TEXCOORDMODE_WRAP;
+   }
+}
+
+static unsigned translate_img_filter( unsigned filter )
+{
+   switch (filter) {
+   case PIPE_TEX_FILTER_NEAREST:
+      return FILTER_NEAREST;
+   case PIPE_TEX_FILTER_LINEAR:
+      return FILTER_LINEAR;
+   default:
+      assert(0);
+      return FILTER_NEAREST;
+   }
+}
+
+static unsigned translate_mip_filter( unsigned filter )
+{
+   switch (filter) {
+   case PIPE_TEX_MIPFILTER_NONE:
+      return MIPFILTER_NONE;
+   case PIPE_TEX_MIPFILTER_NEAREST:
+      return MIPFILTER_NEAREST;
+   case PIPE_TEX_FILTER_LINEAR:
+      return MIPFILTER_LINEAR;
+   default:
+      assert(0);
+      return MIPFILTER_NONE;
+   }
+}
+
+
+/* None of this state is actually used for anything yet.
+ */
+static void *
+i915_create_blend_state(struct pipe_context *pipe,
+                        const struct pipe_blend_state *blend)
+{
+   struct i915_blend_state *cso_data = CALLOC_STRUCT( i915_blend_state );
+
+   {
+      unsigned eqRGB  = blend->rgb_func;
+      unsigned srcRGB = blend->rgb_src_factor;
+      unsigned dstRGB = blend->rgb_dst_factor;
+
+      unsigned eqA    = blend->alpha_func;
+      unsigned srcA   = blend->alpha_src_factor;
+      unsigned dstA   = blend->alpha_dst_factor;
+
+      /* Special handling for MIN/MAX filter modes handled at
+       * state_tracker level.
+       */
+
+      if (srcA != srcRGB ||
+	  dstA != dstRGB ||
+	  eqA != eqRGB) {
+
+	 cso_data->iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
+                          IAB_MODIFY_ENABLE |
+                          IAB_ENABLE |
+                          IAB_MODIFY_FUNC |
+                          IAB_MODIFY_SRC_FACTOR |
+                          IAB_MODIFY_DST_FACTOR |
+                          SRC_ABLND_FACT(i915_translate_blend_factor(srcA)) |
+                          DST_ABLND_FACT(i915_translate_blend_factor(dstA)) |
+                          (i915_translate_blend_func(eqA) << IAB_FUNC_SHIFT));
+      }
+      else {
+	 cso_data->iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
+                          IAB_MODIFY_ENABLE |
+                          0);
+      }
+   }
+
+   cso_data->modes4 |= (_3DSTATE_MODES_4_CMD |
+                        ENABLE_LOGIC_OP_FUNC |
+                        LOGIC_OP_FUNC(i915_translate_logic_op(blend->logicop_func)));
+
+   if (blend->logicop_enable)
+      cso_data->LIS5 |= S5_LOGICOP_ENABLE;
+
+   if (blend->dither)
+      cso_data->LIS5 |= S5_COLOR_DITHER_ENABLE;
+
+   if ((blend->colormask & PIPE_MASK_R) == 0)
+      cso_data->LIS5 |= S5_WRITEDISABLE_RED;
+
+   if ((blend->colormask & PIPE_MASK_G) == 0)
+      cso_data->LIS5 |= S5_WRITEDISABLE_GREEN;
+
+   if ((blend->colormask & PIPE_MASK_B) == 0)
+      cso_data->LIS5 |= S5_WRITEDISABLE_BLUE;
+
+   if ((blend->colormask & PIPE_MASK_A) == 0)
+      cso_data->LIS5 |= S5_WRITEDISABLE_ALPHA;
+
+   if (blend->blend_enable) {
+      unsigned funcRGB = blend->rgb_func;
+      unsigned srcRGB  = blend->rgb_src_factor;
+      unsigned dstRGB  = blend->rgb_dst_factor;
+
+      cso_data->LIS6 |= (S6_CBUF_BLEND_ENABLE |
+                         SRC_BLND_FACT(i915_translate_blend_factor(srcRGB)) |
+                         DST_BLND_FACT(i915_translate_blend_factor(dstRGB)) |
+                         (i915_translate_blend_func(funcRGB) << S6_CBUF_BLEND_FUNC_SHIFT));
+   }
+
+   return cso_data;
+}
+
+static void i915_bind_blend_state(struct pipe_context *pipe,
+                                  void *blend)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   i915->blend = (struct i915_blend_state*)blend;
+
+   i915->dirty |= I915_NEW_BLEND;
+}
+
+
+static void i915_delete_blend_state(struct pipe_context *pipe, void *blend)
+{
+   FREE(blend);
+}
+
+static void i915_set_blend_color( struct pipe_context *pipe,
+			     const struct pipe_blend_color *blend_color )
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   i915->blend_color = *blend_color;
+
+   i915->dirty |= I915_NEW_BLEND;
+}
+
+static void *
+i915_create_sampler_state(struct pipe_context *pipe,
+                          const struct pipe_sampler_state *sampler)
+{
+   struct i915_sampler_state *cso = CALLOC_STRUCT( i915_sampler_state );
+   const unsigned ws = sampler->wrap_s;
+   const unsigned wt = sampler->wrap_t;
+   const unsigned wr = sampler->wrap_r;
+   unsigned minFilt, magFilt;
+   unsigned mipFilt;
+
+   cso->templ = sampler;
+
+   mipFilt = translate_mip_filter(sampler->min_mip_filter);
+   if (sampler->max_anisotropy > 1.0) {
+      minFilt = FILTER_ANISOTROPIC;
+      magFilt = FILTER_ANISOTROPIC;
+      if (sampler->max_anisotropy > 2.0) {
+         cso->state[0] |= SS2_MAX_ANISO_4;
+      }
+   }
+   else {
+      minFilt = translate_img_filter( sampler->min_img_filter );
+      magFilt = translate_img_filter( sampler->mag_img_filter );
+   }
+
+   {
+      int b = (int) (sampler->lod_bias * 16.0);
+      b = CLAMP(b, -256, 255);
+      cso->state[0] |= ((b << SS2_LOD_BIAS_SHIFT) & SS2_LOD_BIAS_MASK);
+   }
+
+   /* Shadow:
+    */
+   if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) 
+   {
+      cso->state[0] |= (SS2_SHADOW_ENABLE |
+                        i915_translate_compare_func(sampler->compare_func));
+
+      minFilt = FILTER_4X4_FLAT;
+      magFilt = FILTER_4X4_FLAT;
+   }
+
+   cso->state[0] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
+                     (mipFilt << SS2_MIP_FILTER_SHIFT) |
+                     (magFilt << SS2_MAG_FILTER_SHIFT));
+
+   cso->state[1] |=
+      ((translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT) |
+       (translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT) |
+       (translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT));
+
+   if (sampler->normalized_coords)
+      cso->state[1] |= SS3_NORMALIZED_COORDS;
+
+   if (0) /* XXX not tested yet */
+   {
+      int minlod = (int) (16.0 * sampler->min_lod);
+      minlod = CLAMP(minlod, 0, 16 * 11);
+      cso->state[1] |= (minlod << SS3_MIN_LOD_SHIFT);
+   }
+
+   {
+      ubyte r = float_to_ubyte(sampler->border_color[0]);
+      ubyte g = float_to_ubyte(sampler->border_color[1]);
+      ubyte b = float_to_ubyte(sampler->border_color[2]);
+      ubyte a = float_to_ubyte(sampler->border_color[3]);
+      cso->state[2] = I915PACKCOLOR8888(r, g, b, a);
+   }
+   return cso;
+}
+
+static void i915_bind_sampler_state(struct pipe_context *pipe,
+                                    unsigned unit, void *sampler)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   assert(unit < PIPE_MAX_SAMPLERS);
+   i915->sampler[unit] = (const struct i915_sampler_state*)sampler;
+
+   i915->dirty |= I915_NEW_SAMPLER;
+}
+
+static void i915_delete_sampler_state(struct pipe_context *pipe,
+                                      void *sampler)
+{
+   FREE(sampler);
+}
+
+
+/** XXX move someday?  Or consolidate all these simple state setters
+ * into one file.
+ */
+
+static void *
+i915_create_depth_stencil_state(struct pipe_context *pipe,
+				const struct pipe_depth_stencil_alpha_state *depth_stencil)
+{
+   struct i915_depth_stencil_state *cso = CALLOC_STRUCT( i915_depth_stencil_state );
+
+   {
+      int testmask = depth_stencil->stencil[0].value_mask & 0xff;
+      int writemask = depth_stencil->stencil[0].write_mask & 0xff;
+
+      cso->stencil_modes4 |= (_3DSTATE_MODES_4_CMD |
+                              ENABLE_STENCIL_TEST_MASK |
+                              STENCIL_TEST_MASK(testmask) |
+                              ENABLE_STENCIL_WRITE_MASK |
+                              STENCIL_WRITE_MASK(writemask));
+   }
+
+   if (depth_stencil->stencil[0].enabled) {
+      int test = i915_translate_compare_func(depth_stencil->stencil[0].func);
+      int fop  = i915_translate_stencil_op(depth_stencil->stencil[0].fail_op);
+      int dfop = i915_translate_stencil_op(depth_stencil->stencil[0].zfail_op);
+      int dpop = i915_translate_stencil_op(depth_stencil->stencil[0].zpass_op);
+      int ref  = depth_stencil->stencil[0].ref_value & 0xff;
+
+      cso->stencil_LIS5 |= (S5_STENCIL_TEST_ENABLE |
+                            S5_STENCIL_WRITE_ENABLE |
+                            (ref  << S5_STENCIL_REF_SHIFT) |
+                            (test << S5_STENCIL_TEST_FUNC_SHIFT) |
+                            (fop  << S5_STENCIL_FAIL_SHIFT) |
+                            (dfop << S5_STENCIL_PASS_Z_FAIL_SHIFT) |
+                            (dpop << S5_STENCIL_PASS_Z_PASS_SHIFT));
+   }
+
+   if (depth_stencil->stencil[1].enabled) {
+      int test  = i915_translate_compare_func(depth_stencil->stencil[1].func);
+      int fop   = i915_translate_stencil_op(depth_stencil->stencil[1].fail_op);
+      int dfop  = i915_translate_stencil_op(depth_stencil->stencil[1].zfail_op);
+      int dpop  = i915_translate_stencil_op(depth_stencil->stencil[1].zpass_op);
+      int ref   = depth_stencil->stencil[1].ref_value & 0xff;
+      int tmask = depth_stencil->stencil[1].value_mask & 0xff;
+      int wmask = depth_stencil->stencil[1].write_mask & 0xff;
+
+      cso->bfo[0] = (_3DSTATE_BACKFACE_STENCIL_OPS |
+                     BFO_ENABLE_STENCIL_FUNCS |
+                     BFO_ENABLE_STENCIL_TWO_SIDE |
+                     BFO_ENABLE_STENCIL_REF |
+                     BFO_STENCIL_TWO_SIDE |
+                     (ref  << BFO_STENCIL_REF_SHIFT) |
+                     (test << BFO_STENCIL_TEST_SHIFT) |
+                     (fop  << BFO_STENCIL_FAIL_SHIFT) |
+                     (dfop << BFO_STENCIL_PASS_Z_FAIL_SHIFT) |
+                     (dpop << BFO_STENCIL_PASS_Z_PASS_SHIFT));
+
+      cso->bfo[1] = (_3DSTATE_BACKFACE_STENCIL_MASKS |
+                     BFM_ENABLE_STENCIL_TEST_MASK |
+                     BFM_ENABLE_STENCIL_WRITE_MASK |
+                     (tmask << BFM_STENCIL_TEST_MASK_SHIFT) |
+                     (wmask << BFM_STENCIL_WRITE_MASK_SHIFT));
+   }
+   else {
+      /* This actually disables two-side stencil: The bit set is a
+       * modify-enable bit to indicate we are changing the two-side
+       * setting.  Then there is a symbolic zero to show that we are
+       * setting the flag to zero/off.
+       */
+      cso->bfo[0] = (_3DSTATE_BACKFACE_STENCIL_OPS |
+                     BFO_ENABLE_STENCIL_TWO_SIDE |
+                     0);
+      cso->bfo[1] = 0;
+   }
+
+   if (depth_stencil->depth.enabled) {
+      int func = i915_translate_compare_func(depth_stencil->depth.func);
+
+      cso->depth_LIS6 |= (S6_DEPTH_TEST_ENABLE |
+                          (func << S6_DEPTH_TEST_FUNC_SHIFT));
+
+      if (depth_stencil->depth.writemask)
+	 cso->depth_LIS6 |= S6_DEPTH_WRITE_ENABLE;
+   }
+
+   if (depth_stencil->alpha.enabled) {
+      int test = i915_translate_compare_func(depth_stencil->alpha.func);
+      ubyte refByte = float_to_ubyte(depth_stencil->alpha.ref);
+
+      cso->depth_LIS6 |= (S6_ALPHA_TEST_ENABLE |
+			  (test << S6_ALPHA_TEST_FUNC_SHIFT) |
+			  (((unsigned) refByte) << S6_ALPHA_REF_SHIFT));
+   }
+
+   return cso;
+}
+
+static void i915_bind_depth_stencil_state(struct pipe_context *pipe,
+                                          void *depth_stencil)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   i915->depth_stencil = (const struct i915_depth_stencil_state *)depth_stencil;
+
+   i915->dirty |= I915_NEW_DEPTH_STENCIL;
+}
+
+static void i915_delete_depth_stencil_state(struct pipe_context *pipe,
+                                            void *depth_stencil)
+{
+   FREE(depth_stencil);
+}
+
+
+static void i915_set_scissor_state( struct pipe_context *pipe,
+                                 const struct pipe_scissor_state *scissor )
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   memcpy( &i915->scissor, scissor, sizeof(*scissor) );
+   i915->dirty |= I915_NEW_SCISSOR;
+}
+
+
+static void i915_set_polygon_stipple( struct pipe_context *pipe,
+                                   const struct pipe_poly_stipple *stipple )
+{
+}
+
+
+static void * i915_create_fs_state(struct pipe_context *pipe,
+                                   const struct pipe_shader_state *templ)
+{
+   return 0;
+}
+
+static void i915_bind_fs_state(struct pipe_context *pipe, void *fs)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   i915->fs = (struct pipe_shader_state *)fs;
+
+   i915->dirty |= I915_NEW_FS;
+}
+
+static void i915_delete_fs_state(struct pipe_context *pipe, void *shader)
+{
+   /*do nothing*/
+}
+
+static void *
+i915_create_vs_state(struct pipe_context *pipe,
+                     const struct pipe_shader_state *templ)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   /* just pass-through to draw module */
+   return draw_create_vertex_shader(i915->draw, templ);
+}
+
+static void i915_bind_vs_state(struct pipe_context *pipe, void *shader)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   /* just pass-through to draw module */
+   draw_bind_vertex_shader(i915->draw, (struct draw_vertex_shader *) shader);
+}
+
+static void i915_delete_vs_state(struct pipe_context *pipe, void *shader)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   /* just pass-through to draw module */
+   draw_delete_vertex_shader(i915->draw, (struct draw_vertex_shader *) shader);
+}
+
+static void i915_set_constant_buffer(struct pipe_context *pipe,
+                                     uint shader, uint index,
+                                     const struct pipe_constant_buffer *buf)
+{
+   struct i915_context *i915 = i915_context(pipe);
+   struct pipe_winsys *ws = pipe->winsys;
+
+   assert(shader < PIPE_SHADER_TYPES);
+   assert(index == 0);
+
+   /* Make a copy of shader constants.
+    * During fragment program translation we may add additional
+    * constants to the array.
+    *
+    * We want to consider the situation where some user constants
+    * (ex: a material color) may change frequently but the shader program
+    * stays the same.  In that case we should only be updating the first
+    * N constants, leaving any extras from shader translation alone.
+    */
+   {
+      void *mapped;
+      if (buf->size &&
+          (mapped = ws->buffer_map(ws, buf->buffer,
+                                   PIPE_BUFFER_USAGE_CPU_READ))) {
+         memcpy(i915->current.constants[shader], mapped, buf->size);
+         ws->buffer_unmap(ws, buf->buffer);
+         i915->current.num_user_constants[shader]
+            = buf->size / (4 * sizeof(float));
+      }
+      else {
+         i915->current.num_user_constants[shader] = 0;
+      }
+   }
+
+   i915->dirty |= I915_NEW_CONSTANTS;
+}
+
+
+static void i915_set_sampler_texture(struct pipe_context *pipe,
+				     unsigned sampler,
+				     struct pipe_texture *texture)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   i915->texture[sampler] = (struct i915_texture*)texture;  /* ptr, not struct */
+
+   i915->dirty |= I915_NEW_TEXTURE;
+}
+
+
+
+static void i915_set_framebuffer_state(struct pipe_context *pipe,
+				       const struct pipe_framebuffer_state *fb)
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   i915->framebuffer = *fb; /* struct copy */
+
+   i915->dirty |= I915_NEW_FRAMEBUFFER;
+}
+
+
+
+static void i915_set_clip_state( struct pipe_context *pipe,
+			     const struct pipe_clip_state *clip )
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   draw_set_clip_state(i915->draw, clip);
+
+   i915->dirty |= I915_NEW_CLIP;
+}
+
+
+
+/* Called when driver state tracker notices changes to the viewport
+ * matrix:
+ */
+static void i915_set_viewport_state( struct pipe_context *pipe,
+				     const struct pipe_viewport_state *viewport )
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   i915->viewport = *viewport; /* struct copy */
+
+   /* pass the viewport info to the draw module */
+   draw_set_viewport_state(i915->draw, &i915->viewport);
+
+   i915->dirty |= I915_NEW_VIEWPORT;
+}
+
+
+static void *
+i915_create_rasterizer_state(struct pipe_context *pipe,
+                             const struct pipe_rasterizer_state *rasterizer)
+{
+   struct i915_rasterizer_state *cso = CALLOC_STRUCT( i915_rasterizer_state );
+
+   cso->templ = rasterizer;
+   cso->color_interp = rasterizer->flatshade ? INTERP_CONSTANT : INTERP_LINEAR;
+   cso->light_twoside = rasterizer->light_twoside;
+   cso->ds[0].u = _3DSTATE_DEPTH_OFFSET_SCALE;
+   cso->ds[1].f = rasterizer->offset_scale;
+   if (rasterizer->poly_stipple_enable) {
+      cso->st |= ST1_ENABLE;
+   }
+
+   if (rasterizer->scissor)
+      cso->sc[0] = _3DSTATE_SCISSOR_ENABLE_CMD | ENABLE_SCISSOR_RECT;
+   else
+      cso->sc[0] = _3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT;
+
+   switch (rasterizer->cull_mode) {
+   case PIPE_WINDING_NONE:
+      cso->LIS4 |= S4_CULLMODE_NONE;
+      break;
+   case PIPE_WINDING_CW:
+      cso->LIS4 |= S4_CULLMODE_CW;
+      break;
+   case PIPE_WINDING_CCW:
+      cso->LIS4 |= S4_CULLMODE_CCW;
+      break;
+   case PIPE_WINDING_BOTH:
+      cso->LIS4 |= S4_CULLMODE_BOTH;
+      break;
+   }
+
+   {
+      int line_width = CLAMP((int)(rasterizer->line_width * 2), 1, 0xf);
+
+      cso->LIS4 |= line_width << S4_LINE_WIDTH_SHIFT;
+
+      if (rasterizer->line_smooth)
+	 cso->LIS4 |= S4_LINE_ANTIALIAS_ENABLE;
+   }
+
+   {
+      int point_size = CLAMP((int) rasterizer->point_size, 1, 0xff);
+
+      cso->LIS4 |= point_size << S4_POINT_WIDTH_SHIFT;
+   }
+
+   if (rasterizer->flatshade) {
+      cso->LIS4 |= (S4_FLATSHADE_ALPHA |
+                    S4_FLATSHADE_COLOR |
+                    S4_FLATSHADE_SPECULAR);
+   }
+
+   cso->LIS7 = fui( rasterizer->offset_units );
+
+
+   return cso;
+}
+
+static void i915_bind_rasterizer_state( struct pipe_context *pipe,
+                                        void *setup )
+{
+   struct i915_context *i915 = i915_context(pipe);
+
+   i915->rasterizer = (struct i915_rasterizer_state *)setup;
+
+   /* pass-through to draw module */
+   draw_set_rasterizer_state(i915->draw, i915->rasterizer->templ);
+
+   i915->dirty |= I915_NEW_RASTERIZER;
+}
+
+static void i915_delete_rasterizer_state(struct pipe_context *pipe,
+                                         void *setup)
+{
+   FREE(setup);
+}
+
+static void i915_set_vertex_buffer( struct pipe_context *pipe,
+                                    unsigned index,
+                                    const struct pipe_vertex_buffer *buffer )
+{
+   struct i915_context *i915 = i915_context(pipe);
+   i915->vertex_buffer[index] = *buffer;
+   /* pass-through to draw module */
+   draw_set_vertex_buffer(i915->draw, index, buffer);
+}
+
+static void i915_set_vertex_element( struct pipe_context *pipe,
+                                     unsigned index,
+                                     const struct pipe_vertex_element *element)
+{
+   struct i915_context *i915 = i915_context(pipe);
+   /* pass-through to draw module */
+   draw_set_vertex_element(i915->draw, index, element);
+}
+
+
+
+void
+i915_init_state_functions( struct i915_context *i915 )
+{
+   i915->pipe.create_blend_state = i915_create_blend_state;
+   i915->pipe.bind_blend_state = i915_bind_blend_state;
+   i915->pipe.delete_blend_state = i915_delete_blend_state;
+
+   i915->pipe.create_sampler_state = i915_create_sampler_state;
+   i915->pipe.bind_sampler_state = i915_bind_sampler_state;
+   i915->pipe.delete_sampler_state = i915_delete_sampler_state;
+
+   i915->pipe.create_depth_stencil_alpha_state = i915_create_depth_stencil_state;
+   i915->pipe.bind_depth_stencil_alpha_state = i915_bind_depth_stencil_state;
+   i915->pipe.delete_depth_stencil_alpha_state = i915_delete_depth_stencil_state;
+
+   i915->pipe.create_rasterizer_state = i915_create_rasterizer_state;
+   i915->pipe.bind_rasterizer_state = i915_bind_rasterizer_state;
+   i915->pipe.delete_rasterizer_state = i915_delete_rasterizer_state;
+   i915->pipe.create_fs_state = i915_create_fs_state;
+   i915->pipe.bind_fs_state = i915_bind_fs_state;
+   i915->pipe.delete_fs_state = i915_delete_fs_state;
+   i915->pipe.create_vs_state = i915_create_vs_state;
+   i915->pipe.bind_vs_state = i915_bind_vs_state;
+   i915->pipe.delete_vs_state = i915_delete_vs_state;
+
+   i915->pipe.set_blend_color = i915_set_blend_color;
+   i915->pipe.set_clip_state = i915_set_clip_state;
+   i915->pipe.set_constant_buffer = i915_set_constant_buffer;
+   i915->pipe.set_framebuffer_state = i915_set_framebuffer_state;
+
+   i915->pipe.set_polygon_stipple = i915_set_polygon_stipple;
+   i915->pipe.set_scissor_state = i915_set_scissor_state;
+   i915->pipe.set_sampler_texture = i915_set_sampler_texture;
+   i915->pipe.set_viewport_state = i915_set_viewport_state;
+   i915->pipe.set_vertex_buffer = i915_set_vertex_buffer;
+   i915->pipe.set_vertex_element = i915_set_vertex_element;
+}