146 lines
4.9 KiB
C
146 lines
4.9 KiB
C
/**************************************************************************
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*
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* Copyright 2010 Jakob Bornecrantz
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* Copyright 2011 Lauri Kasanen
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "postprocess/postprocess.h"
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#include "postprocess/pp_private.h"
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#include "cso_cache/cso_context.h"
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#include "pipe/p_screen.h"
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#include "pipe/p_context.h"
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#include "pipe/p_state.h"
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#include "pipe/p_shader_tokens.h"
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#include "util/u_inlines.h"
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#include "util/u_simple_shaders.h"
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#include "util/u_memory.h"
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/** Initialize the internal details */
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struct pp_program *
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pp_init_prog(struct pp_queue_t *ppq, struct pipe_context *pipe,
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struct cso_context *cso, struct st_context_iface *st)
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{
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struct pp_program *p;
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pp_debug("Initializing program\n");
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if (!pipe)
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return NULL;
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p = CALLOC(1, sizeof(struct pp_program));
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if (!p)
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return NULL;
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p->screen = pipe->screen;
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p->pipe = pipe;
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p->cso = cso;
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p->st = st;
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{
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static const float verts[4][2][4] = {
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{
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{1.0f, 1.0f, 0.0f, 1.0f},
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{1.0f, 1.0f, 0.0f, 1.0f}
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},
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{
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{-1.0f, 1.0f, 0.0f, 1.0f},
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{0.0f, 1.0f, 0.0f, 1.0f}
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},
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{
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{-1.0f, -1.0f, 0.0f, 1.0f},
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{0.0f, 0.0f, 0.0f, 1.0f}
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},
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{
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{1.0f, -1.0f, 0.0f, 1.0f},
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{1.0f, 0.0f, 0.0f, 1.0f}
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}
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};
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p->vbuf = pipe_buffer_create(pipe->screen, PIPE_BIND_VERTEX_BUFFER,
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PIPE_USAGE_DEFAULT, sizeof(verts));
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pipe_buffer_write(p->pipe, p->vbuf, 0, sizeof(verts), verts);
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}
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p->blend.rt[0].colormask = PIPE_MASK_RGBA;
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p->blend.rt[0].rgb_src_factor = p->blend.rt[0].alpha_src_factor =
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PIPE_BLENDFACTOR_SRC_ALPHA;
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p->blend.rt[0].rgb_dst_factor = p->blend.rt[0].alpha_dst_factor =
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PIPE_BLENDFACTOR_INV_SRC_ALPHA;
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p->rasterizer.cull_face = PIPE_FACE_NONE;
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p->rasterizer.half_pixel_center = 1;
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p->rasterizer.bottom_edge_rule = 1;
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p->rasterizer.depth_clip_near = 1;
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p->rasterizer.depth_clip_far = 1;
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p->sampler.wrap_s = p->sampler.wrap_t = p->sampler.wrap_r =
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PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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p->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
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p->sampler.min_img_filter = p->sampler.mag_img_filter =
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PIPE_TEX_FILTER_LINEAR;
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p->sampler.normalized_coords = 1;
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p->sampler_point.wrap_s = p->sampler_point.wrap_t =
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p->sampler_point.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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p->sampler_point.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
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p->sampler_point.min_img_filter = p->sampler_point.mag_img_filter =
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PIPE_TEX_FILTER_NEAREST;
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p->sampler_point.normalized_coords = 1;
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p->velem.count = 2;
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p->velem.velems[0].src_offset = 0;
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p->velem.velems[0].instance_divisor = 0;
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p->velem.velems[0].vertex_buffer_index = 0;
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p->velem.velems[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
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p->velem.velems[1].src_offset = 1 * 4 * sizeof(float);
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p->velem.velems[1].instance_divisor = 0;
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p->velem.velems[1].vertex_buffer_index = 0;
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p->velem.velems[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
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if (!p->screen->is_format_supported(p->screen,
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PIPE_FORMAT_R32G32B32A32_FLOAT,
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PIPE_BUFFER, 1, 1,
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PIPE_BIND_VERTEX_BUFFER))
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pp_debug("Vertex buf format fail\n");
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{
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const enum tgsi_semantic semantic_names[] = { TGSI_SEMANTIC_POSITION,
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TGSI_SEMANTIC_GENERIC
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};
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const uint semantic_indexes[] = { 0, 0 };
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p->passvs = util_make_vertex_passthrough_shader(p->pipe, 2,
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semantic_names,
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semantic_indexes, FALSE);
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}
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p->framebuffer.nr_cbufs = 1;
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p->surf.format = PIPE_FORMAT_B8G8R8A8_UNORM;
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return p;
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}
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