/** * @file llrender2dutils.h * @brief GL function declarations for immediate-mode gl drawing. * * $LicenseInfo:firstyear=2012&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ // All immediate-mode gl drawing should happen here. #ifndef LL_RENDER2DUTILS_H #define LL_RENDER2DUTILS_H #include "llpointer.h" // LLPointer<> #include "llrect.h" #include "llsingleton.h" #include "llglslshader.h" class LLColor4; class LLVector3; class LLVector2; class LLUIImage; class LLUUID; extern const LLColor4 UI_VERTEX_COLOR; bool ui_point_in_rect(S32 x, S32 y, S32 left, S32 top, S32 right, S32 bottom); void gl_state_for_2d(S32 width, S32 height); void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2); void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2, const LLColor4 &color ); void gl_triangle_2d(S32 x1, S32 y1, S32 x2, S32 y2, S32 x3, S32 y3, const LLColor4& color, bool filled); void gl_rect_2d_simple( S32 width, S32 height ); void gl_draw_x(const LLRect& rect, const LLColor4& color); void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, bool filled = true ); void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, bool filled = true ); void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, S32 pixel_offset = 0, bool filled = true ); void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, S32 pixel_offset = 0, bool filled = true ); void gl_rect_2d(const LLRect& rect, bool filled = true ); void gl_rect_2d(const LLRect& rect, const LLColor4& color, bool filled = true ); void gl_rect_2d_checkerboard(const LLRect& rect, GLfloat alpha = 1.0f); void gl_drop_shadow(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &start_color, S32 lines); void gl_circle_2d(F32 x, F32 y, F32 radius, S32 steps, bool filled); void gl_arc_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, bool filled, F32 start_angle, F32 end_angle); void gl_deep_circle( F32 radius, F32 depth ); void gl_ring( F32 radius, F32 width, const LLColor4& center_color, const LLColor4& side_color, S32 steps, bool render_center ); void gl_corners_2d(S32 left, S32 top, S32 right, S32 bottom, S32 length, F32 max_frac); void gl_washer_2d(F32 outer_radius, F32 inner_radius, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color); void gl_washer_segment_2d(F32 outer_radius, F32 inner_radius, F32 start_radians, F32 end_radians, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color); void gl_draw_image(S32 x, S32 y, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f)); void gl_draw_scaled_target(S32 x, S32 y, S32 width, S32 height, LLRenderTarget* target, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f)); void gl_draw_scaled_image(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f)); void gl_draw_rotated_image(S32 x, S32 y, F32 degrees, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f)); void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degrees, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f), LLRenderTarget* target = NULL); void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 border_width, S32 border_height, S32 width, S32 height, LLTexture* image, const LLColor4 &color, bool solid_color = false, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f), bool scale_inner = true); void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4 &color, bool solid_color = false, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f), const LLRectf& scale_rect = LLRectf(0.f, 1.f, 1.f, 0.f), bool scale_inner = true); void gl_line_3d( const LLVector3& start, const LLVector3& end, const LLColor4& color); void gl_rect_2d_simple_tex( S32 width, S32 height ); // segmented rectangles /* TL |______TOP_________| TR /| |\ _/_|__________________|_\_ L| | MIDDLE | |R _|_|__________________|_|_ \ | BOTTOM | / BL\|__________________|/ BR | | */ typedef enum e_rounded_edge { ROUNDED_RECT_LEFT = 0x1, ROUNDED_RECT_TOP = 0x2, ROUNDED_RECT_RIGHT = 0x4, ROUNDED_RECT_BOTTOM = 0x8, ROUNDED_RECT_ALL = 0xf }ERoundedEdge; void gl_segmented_rect_2d_tex(const S32 left, const S32 top, const S32 right, const S32 bottom, const S32 texture_width, const S32 texture_height, const S32 border_size, const U32 edges = ROUNDED_RECT_ALL); void gl_segmented_rect_2d_fragment_tex(const LLRect& rect, const S32 texture_width, const S32 texture_height, const S32 border_size, const F32 start_fragment, const F32 end_fragment, const U32 edges = ROUNDED_RECT_ALL); void gl_segmented_rect_3d_tex(const LLRectf& clip_rect, const LLRectf& center_uv_rect, const LLRectf& center_draw_rect, const LLVector3& width_vec, const LLVector3& height_vec); inline void gl_rect_2d( const LLRect& rect, bool filled ) { gl_rect_2d( rect.mLeft, rect.mTop, rect.mRight, rect.mBottom, filled ); } inline void gl_rect_2d_offset_local( const LLRect& rect, S32 pixel_offset, bool filled) { gl_rect_2d_offset_local( rect.mLeft, rect.mTop, rect.mRight, rect.mBottom, pixel_offset, filled ); } class LLImageProviderInterface; class LLRender2D : public LLParamSingleton { LLSINGLETON(LLRender2D, LLImageProviderInterface* image_provider); LOG_CLASS(LLRender2D); ~LLRender2D(); public: static void pushMatrix(); static void popMatrix(); static void loadIdentity(); static void translate(F32 x, F32 y, F32 z = 0.0f); static void setLineWidth(F32 width); LLPointer getUIImageByID(const LLUUID& image_id, S32 priority = 0); LLPointer getUIImage(const std::string& name, S32 priority = 0); protected: // since LLRender2D has no control of image provider's lifecycle // we need a way to tell LLRender2D that provider died and // LLRender2D needs to be updated. static void resetProvider(); private: LLImageProviderInterface* mImageProvider; }; class LLImageProviderInterface { protected: LLImageProviderInterface() {}; virtual ~LLImageProviderInterface(); public: virtual LLPointer getUIImage(const std::string& name, S32 priority) = 0; virtual LLPointer getUIImageByID(const LLUUID& id, S32 priority) = 0; virtual void cleanUp() = 0; // to notify holders when pointer gets deleted typedef void(*callback_t)(); void addOnRemovalCallback(callback_t func); void deleteOnRemovalCallback(callback_t func); private: typedef std::list< callback_t > callback_list_t; callback_list_t mCallbackList; }; extern LLGLSLShader gSolidColorProgram; extern LLGLSLShader gUIProgram; #endif // LL_RENDER2DUTILS_H