BIF_glutil.hh

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "GPU_texture.hh"
 
struct rcti;
 
struct ColorManagedDisplaySettings;
struct ColorManagedViewSettings;
struct ImBuf;
struct bContext;
namespace blender::gpu {
class Shader;
}  // namespace blender::gpu
 
struct IMMDrawPixelsTexState {
  blender::gpu::Shader *shader;
  unsigned int pos;
  unsigned int texco;
  bool do_shader_unbind;
};
 
/* To be used before calling immDrawPixelsTex
 * Default shader is GPU_SHADER_2D_IMAGE_COLOR
 * Returns a shader to be able to set uniforms */
IMMDrawPixelsTexState immDrawPixelsTexSetup(int builtin);

void immDrawPixelsTexScaledFullSize(const IMMDrawPixelsTexState *state,
                                    float x,
                                    float y,
                                    int img_w,
                                    int img_h,
                                    blender::gpu::TextureFormat gpu_format,
                                    bool use_filter,
                                    const void *rect,
                                    float scaleX,
                                    float scaleY,
                                    float xzoom,
                                    float yzoom,
                                    const float color[4]);

void immDrawPixelsTexTiled(IMMDrawPixelsTexState *state,
                           float x,
                           float y,
                           int img_w,
                           int img_h,
                           blender::gpu::TextureFormat gpu_format,
                           bool use_filter,
                           const void *rect,
                           float xzoom,
                           float yzoom,
                           const float color[4]);
void immDrawPixelsTexTiled_clipping(IMMDrawPixelsTexState *state,
                                    float x,
                                    float y,
                                    int img_w,
                                    int img_h,
                                    blender::gpu::TextureFormat gpu_format,
                                    bool use_filter,
                                    const void *rect,
                                    float clip_min_x,
                                    float clip_min_y,
                                    float clip_max_x,
                                    float clip_max_y,
                                    float xzoom,
                                    float yzoom,
                                    const float color[4]);
void immDrawPixelsTexTiled_scaling(IMMDrawPixelsTexState *state,
                                   float x,
                                   float y,
                                   int img_w,
                                   int img_h,
                                   blender::gpu::TextureFormat gpu_format,
                                   bool use_filter,
                                   const void *rect,
                                   float scaleX,
                                   float scaleY,
                                   float xzoom,
                                   float yzoom,
                                   const float color[4]);
void immDrawPixelsTexTiled_scaling_clipping(IMMDrawPixelsTexState *state,
                                            float x,
                                            float y,
                                            int img_w,
                                            int img_h,
                                            blender::gpu::TextureFormat gpu_format,
                                            bool use_filter,
                                            const void *rect,
                                            float scaleX,
                                            float scaleY,
                                            float clip_min_x,
                                            float clip_min_y,
                                            float clip_max_x,
                                            float clip_max_y,
                                            float xzoom,
                                            float yzoom,
                                            const float color[4]);
 
/* Image buffer drawing functions, with display transform
 *
 * The view and display settings can either be specified manually,
 * or retrieved from the context with the '_ctx' variations.
 *
 * For better performance clipping coordinates can be specified so parts of the
 * image outside the view are skipped. */
 
void ED_draw_imbuf(ImBuf *ibuf,
                   float x,
                   float y,
                   bool use_filter,
                   const ColorManagedViewSettings *view_settings,
                   const ColorManagedDisplaySettings *display_settings,
                   float zoom_x,
                   float zoom_y);
void ED_draw_imbuf_clipping(ImBuf *ibuf,
                            float x,
                            float y,
                            bool use_filter,
                            const ColorManagedViewSettings *view_settings,
                            const ColorManagedDisplaySettings *display_settings,
                            float clip_min_x,
                            float clip_min_y,
                            float clip_max_x,
                            float clip_max_y,
                            float zoom_x,
                            float zoom_y);
 
void ED_draw_imbuf_ctx(
    const bContext *C, ImBuf *ibuf, float x, float y, bool use_filter, float zoom_x, float zoom_y);
void ED_draw_imbuf_ctx_clipping(const bContext *C,
                                ImBuf *ibuf,
                                float x,
                                float y,
                                bool use_filter,
                                float clip_min_x,
                                float clip_min_y,
                                float clip_max_x,
                                float clip_max_y,
                                float zoom_x,
                                float zoom_y);
 
int ED_draw_imbuf_method(const ImBuf *ibuf);

void immDrawBorderCorners(unsigned int pos, const rcti *border, float zoomx, float zoomy);