Campbell Barton
de13d0a80c
While \file doesn't need an argument, it can't have another doxy command after it.
141 lines
6.1 KiB
C++
141 lines
6.1 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*/
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/** \file
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* \ingroup editorui
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*/
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#ifndef __BIF_GLUTIL_H__
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#define __BIF_GLUTIL_H__
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struct rctf;
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struct rcti;
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struct ColorManagedDisplaySettings;
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struct ColorManagedViewSettings;
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struct ImBuf;
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struct bContext;
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/* A few functions defined here are being DEPRECATED for Blender 2.8
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*
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* Do not use them in new code, and you are encouraged to
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* convert existing code to draw without these.
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*
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* These will be deleted before we ship 2.8!
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* - merwin
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*/
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/**
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* Returns a float value as obtained by glGetFloatv.
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* The param must cause only one value to be gotten from GL.
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*/
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float glaGetOneFloat(int param);
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int glaGetOneInt(int param);
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/**
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* Functions like glRasterPos2i, except ensures that the resulting
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* raster position is valid. \a known_good_x and \a known_good_y
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* should be coordinates of a point known to be within the current
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* view frustum.
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* \attention This routine should be used when the distance of \a x
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* and \a y away from the known good point is small (ie. for small icons
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* and for bitmap characters), when drawing large+zoomed images it is
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* possible for overflow to occur, the glaDrawPixelsSafe routine should
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* be used instead.
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*/
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void glaRasterPosSafe2f(float x, float y, float known_good_x, float known_good_y);
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typedef struct IMMDrawPixelsTexState {
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struct GPUShader *shader;
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unsigned int pos;
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unsigned int texco;
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bool do_shader_unbind;
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} IMMDrawPixelsTexState;
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/* To be used before calling immDrawPixelsTex
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* Default shader is GPU_SHADER_2D_IMAGE_COLOR
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* Returns a shader to be able to set uniforms */
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IMMDrawPixelsTexState immDrawPixelsTexSetup(int builtin);
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/**
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* immDrawPixelsTex - Functions like a limited glDrawPixels, but actually draws the
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* image using textures, which can be tremendously faster on low-end
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* cards, and also avoids problems with the raster position being
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* clipped when offscreen. Pixel unpacking parameters and
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* the glPixelZoom values are _not_ respected.
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*
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* \attention Use immDrawPixelsTexSetup before calling this function.
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*
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* \attention This routine makes many assumptions: the rect data
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* is expected to be in RGBA byte or float format, and the
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* modelview and projection matrices are assumed to define a
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* 1-to-1 mapping to screen space.
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*/
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void immDrawPixelsTex(IMMDrawPixelsTexState *state,
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float x, float y, int img_w, int img_h, int format, int type, int zoomfilter, void *rect,
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float xzoom, float yzoom, float color[4]);
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void immDrawPixelsTex_clipping(IMMDrawPixelsTexState *state,
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float x, float y, int img_w, int img_h, int format, int type, int zoomfilter, void *rect,
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float clip_min_x, float clip_min_y, float clip_max_x, float clip_max_y,
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float xzoom, float yzoom, float color[4]);
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void immDrawPixelsTexScaled(IMMDrawPixelsTexState *state,
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float x, float y, int img_w, int img_h, int format, int type, int zoomfilter, void *rect, float scaleX, float scaleY,
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float xzoom, float yzoom, float color[4]);
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void immDrawPixelsTexScaled_clipping(IMMDrawPixelsTexState *state,
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float x, float y, int img_w, int img_h, int format, int type, int zoomfilter, void *rect, float scaleX, float scaleY,
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float clip_min_x, float clip_min_y, float clip_max_x, float clip_max_y,
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float xzoom, float yzoom, float color[4]);
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void set_inverted_drawing(int enable);
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void setlinestyle(int nr);
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/* own working polygon offset */
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float bglPolygonOffsetCalc(const float winmat[16], float viewdist, float dist);
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void bglPolygonOffset(float viewdist, float dist);
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/* **** Color management helper functions for GLSL display/transform ***** */
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/* Draw imbuf on a screen, preferably using GLSL display transform */
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void glaDrawImBuf_glsl(struct ImBuf *ibuf, float x, float y, int zoomfilter,
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struct ColorManagedViewSettings *view_settings,
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struct ColorManagedDisplaySettings *display_settings,
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float zoom_x, float zoom_y);
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void glaDrawImBuf_glsl_clipping(struct ImBuf *ibuf, float x, float y, int zoomfilter,
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struct ColorManagedViewSettings *view_settings,
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struct ColorManagedDisplaySettings *display_settings,
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float clip_min_x, float clip_min_y,
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float clip_max_x, float clip_max_y,
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float zoom_x, float zoom_y);
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/* Draw imbuf on a screen, preferably using GLSL display transform */
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void glaDrawImBuf_glsl_ctx(const struct bContext *C, struct ImBuf *ibuf, float x, float y, int zoomfilter,
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float zoom_x, float zoom_y);
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void glaDrawImBuf_glsl_ctx_clipping(const struct bContext *C,
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struct ImBuf *ibuf,
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float x, float y,
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int zoomfilter,
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float clip_min_x, float clip_min_y,
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float clip_max_x, float clip_max_y,
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float zoom_x, float zoom_y);
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void immDrawBorderCorners(unsigned int pos, const struct rcti *border, float zoomx, float zoomy);
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#endif /* __BIF_GLUTIL_H__ */
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