131 lines
4.6 KiB
C
131 lines
4.6 KiB
C
/**************************************************************************
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*
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* Copyright 2020 Red Hat.
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions 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 MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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**************************************************************************/
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#ifndef DRAW_TESS_H
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#define DRAW_TESS_H
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#include "draw_context.h"
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#include "draw_private.h"
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struct draw_context;
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#ifdef DRAW_LLVM_AVAILABLE
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#define NUM_PATCH_INPUTS 32
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#define NUM_TCS_INPUTS (PIPE_MAX_SHADER_INPUTS - NUM_PATCH_INPUTS)
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struct draw_tcs_inputs {
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/* num vertices per prim */
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float data[32][NUM_TCS_INPUTS][4];
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};
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struct draw_tcs_outputs {
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/* num vertices per prim */
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float data[32][PIPE_MAX_SHADER_INPUTS][4];
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};
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struct draw_tes_inputs {
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/* num vertices per prim */
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float data[32][PIPE_MAX_SHADER_INPUTS][4];
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};
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#endif
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struct draw_tess_ctrl_shader {
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struct draw_context *draw;
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struct pipe_shader_state state;
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struct tgsi_shader_info info;
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unsigned vector_length;
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unsigned vertices_out;
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unsigned input_vertex_stride;
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const float (*input)[4];
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const struct tgsi_shader_info *input_info;
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#ifdef DRAW_LLVM_AVAILABLE
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struct draw_tcs_inputs *tcs_input;
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struct draw_tcs_outputs *tcs_output;
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struct draw_tcs_jit_context *jit_context;
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struct draw_tcs_llvm_variant *current_variant;
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#endif
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};
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struct draw_tess_eval_shader {
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struct draw_context *draw;
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struct pipe_shader_state state;
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struct tgsi_shader_info info;
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unsigned prim_mode;
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unsigned spacing;
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unsigned vertex_order_cw;
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unsigned point_mode;
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unsigned position_output;
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unsigned viewport_index_output;
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unsigned ccdistance_output[PIPE_MAX_CLIP_OR_CULL_DISTANCE_ELEMENT_COUNT];
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unsigned vector_length;
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unsigned input_vertex_stride;
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const float (*input)[4];
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const struct tgsi_shader_info *input_info;
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#ifdef DRAW_LLVM_AVAILABLE
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struct draw_tes_inputs *tes_input;
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struct draw_tes_jit_context *jit_context;
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struct draw_tes_llvm_variant *current_variant;
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#endif
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};
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enum pipe_prim_type get_tes_output_prim(struct draw_tess_eval_shader *shader);
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int draw_tess_ctrl_shader_run(struct draw_tess_ctrl_shader *shader,
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const void *constants[PIPE_MAX_CONSTANT_BUFFERS],
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const unsigned constants_size[PIPE_MAX_CONSTANT_BUFFERS],
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const struct draw_vertex_info *input_verts,
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const struct draw_prim_info *input_prim,
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const struct tgsi_shader_info *input_info,
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struct draw_vertex_info *output_verts,
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struct draw_prim_info *output_prims );
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int draw_tess_eval_shader_run(struct draw_tess_eval_shader *shader,
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const void *constants[PIPE_MAX_CONSTANT_BUFFERS],
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const unsigned constants_size[PIPE_MAX_CONSTANT_BUFFERS],
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unsigned num_input_vertices_per_patch,
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const struct draw_vertex_info *input_verts,
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const struct draw_prim_info *input_prim,
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const struct tgsi_shader_info *input_info,
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struct draw_vertex_info *output_verts,
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struct draw_prim_info *output_prims,
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ushort **elts_out);
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#ifdef DRAW_LLVM_AVAILABLE
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void draw_tcs_set_current_variant(struct draw_tess_ctrl_shader *shader,
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struct draw_tcs_llvm_variant *variant);
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void draw_tes_set_current_variant(struct draw_tess_eval_shader *shader,
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struct draw_tes_llvm_variant *variant);
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#endif
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#endif
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