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Diffstat (limited to 'src/gallium/drivers/freedreno/a3xx/fd3_program.h')
| -rw-r--r-- | src/gallium/drivers/freedreno/a3xx/fd3_program.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_program.h b/src/gallium/drivers/freedreno/a3xx/fd3_program.h new file mode 100644 index 00000000000..9b50d34f756 --- /dev/null +++ b/src/gallium/drivers/freedreno/a3xx/fd3_program.h @@ -0,0 +1,116 @@ +/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ + +/* + * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org> + * + * 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, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Authors: + * Rob Clark <robclark@freedesktop.org> + */ + +#ifndef FD3_PROGRAM_H_ +#define FD3_PROGRAM_H_ + +#include "pipe/p_context.h" + +#include "freedreno_context.h" + +#include "ir-a3xx.h" +#include "disasm.h" + +struct fd3_shader_stateobj { + enum shader_t type; + + struct fd_bo *bo; + + struct ir3_shader_info info; + struct ir3_shader *ir; + + /* is shader using (or more precisely, is color_regid) half- + * precision register? + */ + bool half_precision; + + /* special output register locations: */ + uint8_t pos_regid, psize_regid, color_regid; + + /* the instructions length is in units of instruction groups + * (4 instructions, 8 dwords): + */ + unsigned instrlen; + + /* the constants length is in units of vec4's, and is the sum of + * the uniforms and the built-in compiler constants + */ + unsigned constlen; + + /* About Linkage: + * + Let the frag shader determine the position/compmask for the + * varyings, since it is the place where we know if the varying + * is actually used, and if so, which components are used. So + * what the hw calls "outloc" is taken from the "inloc" of the + * frag shader. + * + From the vert shader, we only need the output regid + */ + + /* varyings/outputs: */ + unsigned outputs_count; + struct { + uint8_t regid; + } outputs[16]; + + /* vertices/inputs: */ + unsigned inputs_count; + struct { + uint8_t regid; + uint8_t compmask; + /* in theory inloc of fs should match outloc of vs: */ + uint8_t inloc; + } inputs[16]; + + unsigned total_in; /* sum of inputs (scalar) */ + + /* samplers: */ + unsigned samplers_count; + + /* const reg # of first immediate, ie. 1 == c1 + * (not regid, because TGSI thinks in terms of vec4 registers, + * not scalar registers) + */ + unsigned first_immediate; + unsigned immediates_count; + struct { + uint32_t val[4]; + } immediates[64]; + + /* so far, only used for blit_prog shader.. values for + * VPC_VARYING_INTERP[i].MODE and VPC_VARYING_PS_REPL[i].MODE + */ + uint32_t vinterp[4], vpsrepl[4]; +}; + +void fd3_program_emit(struct fd_ringbuffer *ring, + struct fd_program_stateobj *prog); + +void fd3_prog_init(struct pipe_context *pctx); +void fd3_prog_fini(struct pipe_context *pctx); + +#endif /* FD3_PROGRAM_H_ */ |