Mesa (master): pp/main queue: Add pp_program.[ch]

Brian Paul brianp at kemper.freedesktop.org
Thu Aug 25 09:22:39 PDT 2011


Module: Mesa
Branch: master
Commit: 85d2ee59d9dd71b829f7356e9080103fe0b3251a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=85d2ee59d9dd71b829f7356e9080103fe0b3251a

Author: Lauri Kasanen <cand at gmx.com>
Date:   Thu Aug 18 10:23:55 2011 +0300

pp/main queue: Add pp_program.[ch]

Signed-off-by: Lauri Kasanen <cand at gmx.com>
Signed-off-by: Brian Paul <brianp at vmware.com>

---

 src/gallium/auxiliary/postprocess/pp_program.c |  137 ++++++++++++++++++++++++
 src/gallium/auxiliary/postprocess/pp_program.h |   64 +++++++++++
 2 files changed, 201 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 0000000..6ec8625
--- /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;
+}
diff --git a/src/gallium/auxiliary/postprocess/pp_program.h b/src/gallium/auxiliary/postprocess/pp_program.h
new file mode 100644
index 0000000..2749b35
--- /dev/null
+++ b/src/gallium/auxiliary/postprocess/pp_program.h
@@ -0,0 +1,64 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef PP_PROGRAM_H
+#define PP_PROGRAM_H
+
+#include "pipe/p_state.h"
+
+/**
+*	Internal control details.
+*/
+struct program
+{
+   struct pipe_screen *screen;
+   struct pipe_context *pipe;
+   struct cso_context *cso;
+
+   struct pipe_blend_state blend;
+   struct pipe_depth_stencil_alpha_state depthstencil;
+   struct pipe_rasterizer_state rasterizer;
+   struct pipe_sampler_state sampler;   /* bilinear */
+   struct pipe_sampler_state sampler_point;     /* point */
+   struct pipe_viewport_state viewport;
+   struct pipe_framebuffer_state framebuffer;
+   struct pipe_vertex_element velem[2];
+
+   float clear_color[4];
+
+   void *passvs;
+
+   struct pipe_resource *vbuf;
+   struct pipe_surface surf;
+   struct pipe_sampler_view *view;
+
+   struct blit_state *blitctx;
+};
+
+
+#endif



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