[Mesa-dev] [RFC PATCH 6/7] gallium/vl: Remove the standalone bicubic filter

Thomas Hellstrom thellstrom at vmware.com
Thu Mar 2 20:00:10 UTC 2017


It's now incorporated into vl_compositor.

Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
Reviewed-by: Brian Paul <brianp at vmware.com>
---
 src/gallium/auxiliary/Makefile.sources       |   2 -
 src/gallium/auxiliary/vl/vl_bicubic_filter.c | 461 ---------------------------
 src/gallium/auxiliary/vl/vl_bicubic_filter.h |  63 ----
 3 files changed, 526 deletions(-)
 delete mode 100644 src/gallium/auxiliary/vl/vl_bicubic_filter.c
 delete mode 100644 src/gallium/auxiliary/vl/vl_bicubic_filter.h

diff --git a/src/gallium/auxiliary/Makefile.sources b/src/gallium/auxiliary/Makefile.sources
index 8a35298..9f4d9f1 100644
--- a/src/gallium/auxiliary/Makefile.sources
+++ b/src/gallium/auxiliary/Makefile.sources
@@ -321,8 +321,6 @@ NIR_SOURCES := \
 	nir/tgsi_to_nir.h
 
 VL_SOURCES := \
-	vl/vl_bicubic_filter.c \
-	vl/vl_bicubic_filter.h \
 	vl/vl_compositor.c \
 	vl/vl_compositor.h \
 	vl/vl_csc.c \
diff --git a/src/gallium/auxiliary/vl/vl_bicubic_filter.c b/src/gallium/auxiliary/vl/vl_bicubic_filter.c
deleted file mode 100644
index efd8a1c..0000000
--- a/src/gallium/auxiliary/vl/vl_bicubic_filter.c
+++ /dev/null
@@ -1,461 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2016 Nayan Deshmukh.
- * 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 VMWARE 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.
- *
- **************************************************************************/
-
-#include <stdio.h>
-
-#include "pipe/p_context.h"
-
-#include "tgsi/tgsi_ureg.h"
-
-#include "util/u_draw.h"
-#include "util/u_memory.h"
-#include "util/u_math.h"
-#include "util/u_rect.h"
-#include "util/u_upload_mgr.h"
-
-#include "vl_types.h"
-#include "vl_vertex_buffers.h"
-#include "vl_bicubic_filter.h"
-
-enum VS_OUTPUT
-{
-   VS_O_VPOS = 0,
-   VS_O_VTEX = 0
-};
-
-static void *
-create_vert_shader(struct vl_bicubic_filter *filter)
-{
-   struct ureg_program *shader;
-   struct ureg_src i_vpos;
-   struct ureg_dst o_vpos, o_vtex;
-
-   shader = ureg_create(PIPE_SHADER_VERTEX);
-   if (!shader)
-      return NULL;
-
-   i_vpos = ureg_DECL_vs_input(shader, 0);
-   o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
-   o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX);
-
-   ureg_MOV(shader, o_vpos, i_vpos);
-   ureg_MOV(shader, o_vtex, i_vpos);
-
-   ureg_END(shader);
-
-   return ureg_create_shader_and_destroy(shader, filter->pipe);
-}
-
-static void
-create_frag_shader_cubic_interpolater(struct ureg_program *shader, struct ureg_src tex_a,
-                                      struct ureg_src tex_b, struct ureg_src tex_c,
-                                      struct ureg_src tex_d, struct ureg_src t,
-                                      struct ureg_dst o_fragment)
-{
-   struct ureg_dst temp[11];
-   struct ureg_dst t_2;
-   unsigned i;
-
-   for(i = 0; i < 11; ++i)
-       temp[i] = ureg_DECL_temporary(shader);
-   t_2 = ureg_DECL_temporary(shader);
-
-   /*
-    * |temp[0]|   |  0  2  0  0 |  |tex_a|
-    * |temp[1]| = | -1  0  1  0 |* |tex_b|
-    * |temp[2]|   |  2 -5  4 -1 |  |tex_c|
-    * |temp[3]|   | -1  3 -3  1 |  |tex_d|
-    */
-   ureg_MUL(shader, temp[0], tex_b, ureg_imm1f(shader, 2.0f));
-
-   ureg_MUL(shader, temp[1], tex_a, ureg_imm1f(shader, -1.0f));
-   ureg_MAD(shader, temp[1], tex_c, ureg_imm1f(shader, 1.0f),
-            ureg_src(temp[1]));
-
-   ureg_MUL(shader, temp[2], tex_a, ureg_imm1f(shader, 2.0f));
-   ureg_MAD(shader, temp[2], tex_b, ureg_imm1f(shader, -5.0f),
-            ureg_src(temp[2]));
-   ureg_MAD(shader, temp[2], tex_c, ureg_imm1f(shader, 4.0f),
-            ureg_src(temp[2]));
-   ureg_MAD(shader, temp[2], tex_d, ureg_imm1f(shader, -1.0f),
-             ureg_src(temp[2]));
-
-   ureg_MUL(shader, temp[3], tex_a, ureg_imm1f(shader, -1.0f));
-   ureg_MAD(shader, temp[3], tex_b, ureg_imm1f(shader, 3.0f),
-            ureg_src(temp[3]));
-   ureg_MAD(shader, temp[3], tex_c, ureg_imm1f(shader, -3.0f),
-            ureg_src(temp[3]));
-   ureg_MAD(shader, temp[3], tex_d, ureg_imm1f(shader, 1.0f),
-            ureg_src(temp[3]));
-
-   /*
-    * t_2 = t*t
-    * o_fragment = 0.5*|1  t  t^2  t^3|*|temp[0]|
-    *                                   |temp[1]|
-    *                                   |temp[2]|
-    *                                   |temp[3]|
-    */
-
-   ureg_MUL(shader, t_2, t, t);
-   ureg_MUL(shader, temp[4], ureg_src(t_2), t);
-
-   ureg_MUL(shader, temp[4], ureg_src(temp[4]),
-            ureg_src(temp[3]));
-   ureg_MUL(shader, temp[5], ureg_src(t_2),
-            ureg_src(temp[2]));
-   ureg_MUL(shader, temp[6], t,
-            ureg_src(temp[1]));
-   ureg_MUL(shader, temp[7], ureg_imm1f(shader, 1.0f),
-            ureg_src(temp[0]));
-   ureg_ADD(shader, temp[8], ureg_src(temp[4]),
-            ureg_src(temp[5]));
-   ureg_ADD(shader, temp[9], ureg_src(temp[6]),
-            ureg_src(temp[7]));
-
-   ureg_ADD(shader, temp[10], ureg_src(temp[8]),
-            ureg_src(temp[9]));
-   ureg_MUL(shader, o_fragment, ureg_src(temp[10]),
-            ureg_imm1f(shader, 0.5f));
-
-
-   for(i = 0; i < 11; ++i)
-       ureg_release_temporary(shader, temp[i]);
-   ureg_release_temporary(shader, t_2);
-}
-
-static void *
-create_frag_shader(struct vl_bicubic_filter *filter, unsigned video_width,
-                   unsigned video_height, struct vertex2f *offsets)
-{
-   struct pipe_screen *screen = filter->pipe->screen;
-   struct ureg_program *shader;
-   struct ureg_src i_vtex, vtex;
-   struct ureg_src sampler;
-   struct ureg_src half_pixel;
-   struct ureg_dst t_array[23];
-   struct ureg_dst o_fragment;
-   struct ureg_dst t;
-   unsigned i;
-
-   if (screen->get_shader_param(
-      screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_TEMPS) < 23) {
-
-      return NULL;
-   }
-
-   shader = ureg_create(PIPE_SHADER_FRAGMENT);
-   if (!shader) {
-      return NULL;
-   }
-
-   i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR);
-   sampler = ureg_DECL_sampler(shader, 0);
-   ureg_DECL_sampler_view(shader, 0, TGSI_TEXTURE_2D,
-                          TGSI_RETURN_TYPE_FLOAT,
-                          TGSI_RETURN_TYPE_FLOAT,
-                          TGSI_RETURN_TYPE_FLOAT,
-                          TGSI_RETURN_TYPE_FLOAT);
-
-   for (i = 0; i < 23; ++i)
-      t_array[i] = ureg_DECL_temporary(shader);
-   t = ureg_DECL_temporary(shader);
-
-   half_pixel = ureg_DECL_constant(shader, 0);
-   o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
-
-   /*
-    * temp = (i_vtex - (0.5/dst_size)) * i_size)
-    * t = frac(temp)
-    * vtex = floor(i_vtex)/i_size
-    */
-   ureg_ADD(shader, ureg_writemask(t_array[21], TGSI_WRITEMASK_XY),
-            i_vtex, ureg_negate(half_pixel));
-   ureg_MUL(shader, ureg_writemask(t_array[22], TGSI_WRITEMASK_XY),
-            ureg_src(t_array[21]), ureg_imm2f(shader, video_width, video_height));
-   ureg_FRC(shader, ureg_writemask(t, TGSI_WRITEMASK_XY),
-            ureg_src(t_array[22]));
-
-   ureg_FLR(shader, ureg_writemask(t_array[22], TGSI_WRITEMASK_XY),
-            ureg_src(t_array[22]));
-   ureg_DIV(shader, ureg_writemask(t_array[22], TGSI_WRITEMASK_XY),
-            ureg_src(t_array[22]), ureg_imm2f(shader, video_width, video_height));
-   ureg_ADD(shader, ureg_writemask(t_array[22], TGSI_WRITEMASK_XY),
-            ureg_src(t_array[22]), half_pixel);
-
-   /*
-    * t_array[0..*] = vtex + offset[0..*]
-    * t_array[0..*] = tex(t_array[0..*], sampler)
-    * t_array[16+i] = cubic_interpolate(t_array[4*i..4*i+3], t_x)
-    * o_fragment = cubic_interpolate(t_array[16..19], t_y)
-    */
-   vtex = ureg_src(t_array[22]);
-   for (i = 0; i < 16; ++i) {
-        ureg_ADD(shader, ureg_writemask(t_array[i], TGSI_WRITEMASK_XY),
-                  vtex, ureg_imm2f(shader, offsets[i].x, offsets[i].y));
-        ureg_MOV(shader, ureg_writemask(t_array[i], TGSI_WRITEMASK_ZW),
-                  ureg_imm1f(shader, 0.0f));
-   }
-
-   for (i = 0; i < 16; ++i) {
-      ureg_TEX(shader, t_array[i], TGSI_TEXTURE_2D, ureg_src(t_array[i]), sampler);
-   }
-
-   for(i = 0; i < 4; ++i)
-      create_frag_shader_cubic_interpolater(shader, ureg_src(t_array[4*i]),
-              ureg_src(t_array[4*i+1]), ureg_src(t_array[4*i+2]), ureg_src(t_array[4*i+3]),
-              ureg_scalar(ureg_src(t), TGSI_SWIZZLE_X), t_array[16+i]);
-
-   create_frag_shader_cubic_interpolater(shader, ureg_src(t_array[16]),
-            ureg_src(t_array[17]), ureg_src(t_array[18]), ureg_src(t_array[19]),
-            ureg_scalar(ureg_src(t), TGSI_SWIZZLE_Y), o_fragment);
-
-   for(i = 0; i < 23; ++i)
-       ureg_release_temporary(shader, t_array[i]);
-   ureg_release_temporary(shader, t);
-
-   ureg_END(shader);
-
-   return ureg_create_shader_and_destroy(shader, filter->pipe);
-}
-
-bool
-vl_bicubic_filter_init(struct vl_bicubic_filter *filter, struct pipe_context *pipe,
-                      unsigned width, unsigned height)
-{
-   struct pipe_rasterizer_state rs_state;
-   struct pipe_blend_state blend;
-   struct vertex2f offsets[16];
-   struct pipe_sampler_state sampler;
-   struct pipe_vertex_element ve;
-   unsigned i;
-
-   assert(filter && pipe);
-   assert(width && height);
-
-   memset(filter, 0, sizeof(*filter));
-   filter->pipe = pipe;
-
-   memset(&rs_state, 0, sizeof(rs_state));
-   rs_state.half_pixel_center = true;
-   rs_state.bottom_edge_rule = true;
-   rs_state.depth_clip = 1;
-   filter->rs_state = pipe->create_rasterizer_state(pipe, &rs_state);
-   if (!filter->rs_state)
-      goto error_rs_state;
-
-   memset(&blend, 0, sizeof blend);
-   blend.rt[0].rgb_func = PIPE_BLEND_ADD;
-   blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
-   blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
-   blend.rt[0].alpha_func = PIPE_BLEND_ADD;
-   blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
-   blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
-   blend.logicop_func = PIPE_LOGICOP_CLEAR;
-   blend.rt[0].colormask = PIPE_MASK_RGBA;
-   filter->blend = pipe->create_blend_state(pipe, &blend);
-   if (!filter->blend)
-      goto error_blend;
-
-   memset(&sampler, 0, sizeof(sampler));
-   sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-   sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-   sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-   sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
-   sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
-   sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
-   sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
-   sampler.compare_func = PIPE_FUNC_ALWAYS;
-   sampler.normalized_coords = 1;
-   filter->sampler = pipe->create_sampler_state(pipe, &sampler);
-   if (!filter->sampler)
-      goto error_sampler;
-
-   filter->quad = vl_vb_upload_quads(pipe);
-   if(!filter->quad.buffer)
-      goto error_quad;
-
-   memset(&ve, 0, sizeof(ve));
-   ve.src_offset = 0;
-   ve.instance_divisor = 0;
-   ve.vertex_buffer_index = 0;
-   ve.src_format = PIPE_FORMAT_R32G32_FLOAT;
-   filter->ves = pipe->create_vertex_elements_state(pipe, 1, &ve);
-   if (!filter->ves)
-      goto error_ves;
-
-   offsets[0].x = -1.0f; offsets[0].y = -1.0f;
-   offsets[1].x = 0.0f; offsets[1].y = -1.0f;
-   offsets[2].x = 1.0f; offsets[2].y = -1.0f;
-   offsets[3].x = 2.0f; offsets[3].y = -1.0f;
-
-   offsets[4].x = -1.0f; offsets[4].y = 0.0f;
-   offsets[5].x = 0.0f; offsets[5].y = 0.0f;
-   offsets[6].x = 1.0f; offsets[6].y = 0.0f;
-   offsets[7].x = 2.0f; offsets[7].y = 0.0f;
-
-   offsets[8].x = -1.0f; offsets[8].y = 1.0f;
-   offsets[9].x = 0.0f; offsets[9].y = 1.0f;
-   offsets[10].x = 1.0f; offsets[10].y = 1.0f;
-   offsets[11].x = 2.0f; offsets[11].y = 1.0f;
-
-   offsets[12].x = -1.0f; offsets[12].y = 2.0f;
-   offsets[13].x = 0.0f; offsets[13].y = 2.0f;
-   offsets[14].x = 1.0f; offsets[14].y = 2.0f;
-   offsets[15].x = 2.0f; offsets[15].y = 2.0f;
-
-   for (i = 0; i < 16; ++i) {
-      offsets[i].x /= width;
-      offsets[i].y /= height;
-   }
-
-   filter->vs = create_vert_shader(filter);
-   if (!filter->vs)
-      goto error_vs;
-
-   filter->fs = create_frag_shader(filter, width, height, offsets);
-   if (!filter->fs)
-      goto error_fs;
-
-   return true;
-
-error_fs:
-   pipe->delete_vs_state(pipe, filter->vs);
-
-error_vs:
-   pipe->delete_vertex_elements_state(pipe, filter->ves);
-
-error_ves:
-   pipe_resource_reference(&filter->quad.buffer, NULL);
-
-error_quad:
-   pipe->delete_sampler_state(pipe, filter->sampler);
-
-error_sampler:
-   pipe->delete_blend_state(pipe, filter->blend);
-
-error_blend:
-   pipe->delete_rasterizer_state(pipe, filter->rs_state);
-
-error_rs_state:
-   return false;
-}
-
-void
-vl_bicubic_filter_cleanup(struct vl_bicubic_filter *filter)
-{
-   assert(filter);
-
-   filter->pipe->delete_sampler_state(filter->pipe, filter->sampler);
-   filter->pipe->delete_blend_state(filter->pipe, filter->blend);
-   filter->pipe->delete_rasterizer_state(filter->pipe, filter->rs_state);
-   filter->pipe->delete_vertex_elements_state(filter->pipe, filter->ves);
-   pipe_resource_reference(&filter->quad.buffer, NULL);
-
-   filter->pipe->delete_vs_state(filter->pipe, filter->vs);
-   filter->pipe->delete_fs_state(filter->pipe, filter->fs);
-}
-
-void
-vl_bicubic_filter_render(struct vl_bicubic_filter *filter,
-                        struct pipe_sampler_view *src,
-                        struct pipe_surface *dst,
-                        struct u_rect *dst_area,
-                        struct u_rect *dst_clip)
-{
-   struct pipe_viewport_state viewport;
-   struct pipe_framebuffer_state fb_state;
-   struct pipe_scissor_state scissor;
-   union pipe_color_union clear_color;
-
-   assert(filter && src && dst);
-
-   if (dst_clip) {
-      scissor.minx = dst_clip->x0;
-      scissor.miny = dst_clip->y0;
-      scissor.maxx = dst_clip->x1;
-      scissor.maxy = dst_clip->y1;
-   } else {
-      scissor.minx = 0;
-      scissor.miny = 0;
-      scissor.maxx = dst->width;
-      scissor.maxy = dst->height;
-   }
-
-   clear_color.f[0] = clear_color.f[1] = 0.0f;
-   clear_color.f[2] = clear_color.f[3] = 0.0f;
-
-   memset(&viewport, 0, sizeof(viewport));
-   if(dst_area){
-      viewport.scale[0] = dst_area->x1 - dst_area->x0;
-      viewport.scale[1] = dst_area->y1 - dst_area->y0;
-      viewport.translate[0] = dst_area->x0;
-      viewport.translate[1] = dst_area->y0;
-   } else {
-      viewport.scale[0] = dst->width;
-      viewport.scale[1] = dst->height;
-   }
-   viewport.scale[2] = 1;
-
-   struct pipe_constant_buffer cb = {};
-   float *ptr = NULL;
-
-   u_upload_alloc(filter->pipe->const_uploader, 0, 2 * sizeof(float), 256,
-                  &cb.buffer_offset, &cb.buffer, (void**)&ptr);
-   cb.buffer_size = 2 * sizeof(float);
-
-   if (ptr) {
-      ptr[0] = 0.5f/viewport.scale[0];
-      ptr[1] = 0.5f/viewport.scale[1];
-   }
-   u_upload_unmap(filter->pipe->const_uploader);
-
-   memset(&fb_state, 0, sizeof(fb_state));
-   fb_state.width = dst->width;
-   fb_state.height = dst->height;
-   fb_state.nr_cbufs = 1;
-   fb_state.cbufs[0] = dst;
-
-   filter->pipe->set_scissor_states(filter->pipe, 0, 1, &scissor);
-   filter->pipe->clear_render_target(filter->pipe, dst, &clear_color,
-                                     0, 0, dst->width, dst->height, false);
-   filter->pipe->set_constant_buffer(filter->pipe, PIPE_SHADER_FRAGMENT,
-                                     0, &cb);
-   filter->pipe->bind_rasterizer_state(filter->pipe, filter->rs_state);
-   filter->pipe->bind_blend_state(filter->pipe, filter->blend);
-   filter->pipe->bind_sampler_states(filter->pipe, PIPE_SHADER_FRAGMENT,
-                                     0, 1, &filter->sampler);
-   filter->pipe->set_sampler_views(filter->pipe, PIPE_SHADER_FRAGMENT,
-                                   0, 1, &src);
-   filter->pipe->bind_vs_state(filter->pipe, filter->vs);
-   filter->pipe->bind_fs_state(filter->pipe, filter->fs);
-   filter->pipe->set_framebuffer_state(filter->pipe, &fb_state);
-   filter->pipe->set_viewport_states(filter->pipe, 0, 1, &viewport);
-   filter->pipe->set_vertex_buffers(filter->pipe, 0, 1, &filter->quad);
-   filter->pipe->bind_vertex_elements_state(filter->pipe, filter->ves);
-
-   util_draw_arrays(filter->pipe, PIPE_PRIM_QUADS, 0, 4);
-}
diff --git a/src/gallium/auxiliary/vl/vl_bicubic_filter.h b/src/gallium/auxiliary/vl/vl_bicubic_filter.h
deleted file mode 100644
index e5bef47..0000000
--- a/src/gallium/auxiliary/vl/vl_bicubic_filter.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2016 Nayan Deshmukh.
- * 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 VMWARE 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.
- *
- **************************************************************************/
-
-/* implementation of bicubic interpolation filters */
-
-#ifndef vl_bicubic_filter_h
-#define vl_bicubic_filter_h
-
-#include "pipe/p_state.h"
-
-struct vl_bicubic_filter
-{
-   struct pipe_context *pipe;
-   struct pipe_vertex_buffer quad;
-
-   void *rs_state;
-   void *blend;
-   void *sampler;
-   void *ves;
-   void *vs, *fs;
-};
-
-bool
-vl_bicubic_filter_init(struct vl_bicubic_filter *filter, struct pipe_context *pipe,
-                      unsigned width, unsigned height);
-
-void
-vl_bicubic_filter_cleanup(struct vl_bicubic_filter *filter);
-
-
-void
-vl_bicubic_filter_render(struct vl_bicubic_filter *filter,
-                        struct pipe_sampler_view *src,
-                        struct pipe_surface *dst,
-                        struct u_rect *dst_area,
-                        struct u_rect *dst_clip);
-
-
-#endif /* vl_bicubic_filter_h */
-- 
2.4.11



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