Marek Olšák
4bc0edd1cf
just a code movement to a better place Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19859>
139 lines
3.9 KiB
C
139 lines
3.9 KiB
C
/*
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* Mesa 3-D graphics library
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*
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* Copyright (C) 1999-2008 Brian Paul 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
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef STATE_H
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#define STATE_H
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#include "mtypes.h"
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extern void
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_mesa_update_allow_draw_out_of_order(struct gl_context *ctx);
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extern uint64_t
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_mesa_get_active_states(struct gl_context *ctx);
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extern void
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_mesa_update_state(struct gl_context *ctx);
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/* As above but can only be called between _mesa_lock_context_textures() and
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* _mesa_unlock_context_textures().
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*/
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extern void
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_mesa_update_state_locked(struct gl_context *ctx);
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/*
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* Update state for glClear calls
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*/
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extern void
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_mesa_update_clear_state(struct gl_context *ctx);
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extern void
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_mesa_set_vp_override(struct gl_context *ctx, GLboolean flag);
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/**
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* Update ctx->VertexProgram._VPMode.
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*/
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extern void
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_mesa_update_vertex_processing_mode(struct gl_context *ctx);
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extern void
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_mesa_reset_vertex_processing_mode(struct gl_context *ctx);
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static inline bool
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_mesa_ati_fragment_shader_enabled(const struct gl_context *ctx)
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{
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return ctx->ATIFragmentShader.Enabled &&
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ctx->ATIFragmentShader.Current->Instructions[0];
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}
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/**
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* Is the secondary color needed?
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*/
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static inline GLboolean
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_mesa_need_secondary_color(const struct gl_context *ctx)
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{
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if (ctx->Light.Enabled &&
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ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
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return GL_TRUE;
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if (ctx->Fog.ColorSumEnabled)
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return GL_TRUE;
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if (ctx->VertexProgram._Current &&
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(ctx->VertexProgram._Current != ctx->VertexProgram._TnlProgram) &&
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(ctx->VertexProgram._Current->info.inputs_read & VERT_BIT_COLOR1))
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return GL_TRUE;
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if (ctx->FragmentProgram._Current &&
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(ctx->FragmentProgram._Current != ctx->FragmentProgram._TexEnvProgram) &&
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(ctx->FragmentProgram._Current->info.inputs_read & VARYING_BIT_COL1))
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return GL_TRUE;
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if (_mesa_ati_fragment_shader_enabled(ctx))
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return GL_TRUE;
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return GL_FALSE;
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}
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static inline bool
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_mesa_arb_vertex_program_enabled(const struct gl_context *ctx)
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{
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return ctx->VertexProgram.Enabled &&
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ctx->VertexProgram.Current->arb.Instructions;
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}
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/** Compute two sided lighting state for fixed function or programs. */
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static inline bool
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_mesa_vertex_program_two_side_enabled(const struct gl_context *ctx)
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{
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if (ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX] ||
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_mesa_arb_vertex_program_enabled(ctx))
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return ctx->VertexProgram.TwoSideEnabled;
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return ctx->Light.Enabled && ctx->Light.Model.TwoSide;
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}
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/** Return 0=GL_CCW or 1=GL_CW */
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static inline bool
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_mesa_polygon_get_front_bit(const struct gl_context *ctx)
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{
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if (ctx->Transform.ClipOrigin == GL_LOWER_LEFT)
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return ctx->Polygon.FrontFace == GL_CW;
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return ctx->Polygon.FrontFace == GL_CCW;
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}
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static inline bool
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_mesa_arb_fragment_program_enabled(const struct gl_context *ctx)
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{
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return ctx->FragmentProgram.Enabled &&
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ctx->FragmentProgram.Current->arb.Instructions;
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}
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#endif
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