pp/main queue: Add pp_program.[ch]

Signed-off-by: Lauri Kasanen <[email protected]>
Signed-off-by: Brian Paul <[email protected]>

1 files changed, 137 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/postprocess/pp_program.c b/src/gallium/auxiliary/postprocess/pp_program.c
new file mode 100644
index 00000000000..6ec8625dc1b
--- /dev/null
+++ b/src/gallium/auxiliary/postprocess/pp_program.c
@@ -0,0 +1,137 @@
+/**************************************************************************
+ *
+ * Copyright 2010 Jakob Bornecrantz
+ * Copyright 2011 Lauri Kasanen
+ * 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 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 "postprocess/postprocess.h"
+#include "cso_cache/cso_context.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "pipe/p_shader_tokens.h"
+#include "util/u_inlines.h"
+#include "util/u_simple_shaders.h"
+
+/** Initialize the internal details */
+struct program *
+pp_init_prog(struct pp_queue_t *ppq, struct pipe_screen *pscreen)
+{
+
+   struct program *p = calloc(1, sizeof(struct program));
+
+   pp_debug("Initializing program\n");
+   if (!pscreen)
+      return NULL;
+
+   if (!p)
+      return NULL;
+
+   p->screen = pscreen;
+   p->pipe = pscreen->context_create(pscreen, NULL);
+   p->cso = cso_create_context(p->pipe);
+
+   {
+      static const float verts[4][2][4] = {
+         {
+          {1.0f, 1.0f, 0.0f, 1.0f},
+          {1.0f, 1.0f, 0.0f, 1.0f}
+          },
+         {
+          {-1.0f, 1.0f, 0.0f, 1.0f},
+          {0.0f, 1.0f, 0.0f, 1.0f}
+          },
+         {
+          {-1.0f, -1.0f, 0.0f, 1.0f},
+          {0.0f, 0.0f, 0.0f, 1.0f}
+          },
+         {
+          {1.0f, -1.0f, 0.0f, 1.0f},
+          {1.0f, 0.0f, 0.0f, 1.0f}
+          }
+      };
+
+      p->vbuf = pipe_buffer_create(pscreen, PIPE_BIND_VERTEX_BUFFER,
+                                   PIPE_USAGE_STATIC, sizeof(verts));
+      pipe_buffer_write(p->pipe, p->vbuf, 0, sizeof(verts), verts);
+   }
+
+   p->blend.rt[0].colormask = PIPE_MASK_RGBA;
+   p->blend.rt[0].rgb_src_factor = p->blend.rt[0].alpha_src_factor =
+      PIPE_BLENDFACTOR_SRC_ALPHA;
+   p->blend.rt[0].rgb_dst_factor = p->blend.rt[0].alpha_dst_factor =
+      PIPE_BLENDFACTOR_INV_SRC_ALPHA;
+
+   p->rasterizer.cull_face = PIPE_FACE_NONE;
+   p->rasterizer.gl_rasterization_rules = 1;
+
+   p->sampler.wrap_s = p->sampler.wrap_t = p->sampler.wrap_r =
+      PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+
+   p->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+   p->sampler.min_img_filter = p->sampler.mag_img_filter =
+      PIPE_TEX_FILTER_LINEAR;
+   p->sampler.normalized_coords = 1;
+
+   p->sampler_point.wrap_s = p->sampler_point.wrap_t =
+      p->sampler_point.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+   p->sampler_point.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+   p->sampler_point.min_img_filter = p->sampler_point.mag_img_filter =
+      PIPE_TEX_FILTER_NEAREST;
+   p->sampler_point.normalized_coords = 1;
+
+   p->velem[0].src_offset = 0;
+   p->velem[0].instance_divisor = 0;
+   p->velem[0].vertex_buffer_index = 0;
+   p->velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+   p->velem[1].src_offset = 1 * 4 * sizeof(float);
+   p->velem[1].instance_divisor = 0;
+   p->velem[1].vertex_buffer_index = 0;
+   p->velem[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+
+   if (!p->screen->is_format_supported(p->screen,
+                                       PIPE_FORMAT_R32G32B32A32_FLOAT,
+                                       PIPE_BUFFER, 1,
+                                       PIPE_BIND_VERTEX_BUFFER))
+      pp_debug("Vertex buf format fail\n");
+
+
+   {
+      const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+         TGSI_SEMANTIC_GENERIC
+      };
+      const uint semantic_indexes[] = { 0, 0 };
+      p->passvs = util_make_vertex_passthrough_shader(p->pipe, 2,
+                                                      semantic_names,
+                                                      semantic_indexes);
+   }
+
+   p->framebuffer.nr_cbufs = 1;
+
+   p->surf.usage = PIPE_BIND_RENDER_TARGET;
+   p->surf.format = PIPE_FORMAT_B8G8R8A8_UNORM;
+
+   return p;
+}