From 360534200ca76fc9fa172fd9324895cd3845ea9f Mon Sep 17 00:00:00 2001 From: Bergmann89 Date: Sun, 21 Dec 2014 20:02:44 +0100 Subject: [PATCH] * removed native OpenGL support --- glBitmap.pas | 594 +---------------------------------------------------------- 1 file changed, 5 insertions(+), 589 deletions(-) diff --git a/glBitmap.pas b/glBitmap.pas index 5f18496..c18c83b 100644 --- a/glBitmap.pas +++ b/glBitmap.pas @@ -26,7 +26,7 @@ unit glBitmap; // Please uncomment the defines below to configure the glBitmap to your preferences. // If you have configured the unit you can uncomment the warning above. -{$MESSAGE error 'Hey. I''m the glBitmap.pas and i need to be configured. My master tell me your preferences! ;)'} +{.$MESSAGE error 'Hey. I''m the glBitmap.pas and i need to be configured. My master tell me your preferences! ;)'} ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // Preferences /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -44,14 +44,6 @@ unit glBitmap; {.$DEFINE OPENGL_ES_EXT} -// activate to enable build-in OpenGL support with statically linked methods -// use dglOpenGL.pas if not enabled -{.$DEFINE GLB_NATIVE_OGL_STATIC} - -// activate to enable build-in OpenGL support with dynamically linked methods -// use dglOpenGL.pas if not enabled -{.$DEFINE GLB_NATIVE_OGL_DYNAMIC} - // activate to enable the support for SDL_surfaces {.$DEFINE GLB_SDL} @@ -126,15 +118,6 @@ unit glBitmap; {$IF DEFINED(OPENGL_ES_2_0)} {$DEFINE OPENGL_ES_1_1} {$IFEND} {$IF DEFINED(OPENGL_ES_1_1)} {$DEFINE OPENGL_ES} {$IFEND} -// native OpenGL Support -{$IF DEFINED(GLB_NATIVE_OGL_STATIC) OR DEFINED(GLB_NATIVE_OGL_DYNAMIC)} - {$IFDEF OPENGL_ES} - {$ERROR 'native OpenGL is not supported yet for OpenGL ES, please use dglOpenGLES.pas instead'} - {$ELSE} - {$DEFINE GLB_NATIVE_OGL} - {$ENDIF} -{$IFEND} - // checking define combinations //SDL Image {$IFDEF GLB_SDL_IMAGE} @@ -253,11 +236,6 @@ unit glBitmap; {$DEFINE GLB_SUPPORT_JPEG_WRITE} {$ENDIF} -// native OpenGL -{$IF DEFINED(GLB_NATIVE_OGL_STATIC) AND DEFINED(GLB_NATIVE_OGL_DYNAMIC)} - {$MESSAGE warn 'GLB_NATIVE_OGL_STATIC will be ignored because you enabled GLB_NATIVE_OGL_DYNAMIC'} -{$IFEND} - // general options {$EXTENDEDSYNTAX ON} {$LONGSTRINGS ON} @@ -269,13 +247,11 @@ unit glBitmap; interface uses - {$IFNDEF GLB_NATIVE_OGL} - {$IFDEF OPENGL_ES} dglOpenGLES, - {$ELSE} dglOpenGL, {$ENDIF} - {$ENDIF} + {$IFDEF OPENGL_ES} dglOpenGLES, + {$ELSE} dglOpenGL, {$ENDIF} + {$IF DEFINED(GLB_WIN) AND - (DEFINED(GLB_NATIVE_OGL) OR - DEFINED(GLB_DELPHI))} windows, {$IFEND} + DEFINED(GLB_DELPHI)} windows, {$IFEND} {$IFDEF GLB_SDL} SDL, {$ENDIF} {$IFDEF GLB_LAZARUS} IntfGraphics, GraphType, Graphics, {$ENDIF} @@ -289,319 +265,6 @@ uses Classes, SysUtils; -{$IFDEF GLB_NATIVE_OGL} -const - GL_TRUE = 1; - GL_FALSE = 0; - - GL_ZERO = 0; - GL_ONE = 1; - - GL_VERSION = $1F02; - GL_EXTENSIONS = $1F03; - - GL_TEXTURE_1D = $0DE0; - GL_TEXTURE_2D = $0DE1; - GL_TEXTURE_RECTANGLE = $84F5; - - GL_NORMAL_MAP = $8511; - GL_TEXTURE_CUBE_MAP = $8513; - GL_REFLECTION_MAP = $8512; - GL_TEXTURE_CUBE_MAP_POSITIVE_X = $8515; - GL_TEXTURE_CUBE_MAP_NEGATIVE_X = $8516; - GL_TEXTURE_CUBE_MAP_POSITIVE_Y = $8517; - GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = $8518; - GL_TEXTURE_CUBE_MAP_POSITIVE_Z = $8519; - GL_TEXTURE_CUBE_MAP_NEGATIVE_Z = $851A; - - GL_TEXTURE_WIDTH = $1000; - GL_TEXTURE_HEIGHT = $1001; - GL_TEXTURE_INTERNAL_FORMAT = $1003; - GL_TEXTURE_SWIZZLE_RGBA = $8E46; - - GL_S = $2000; - GL_T = $2001; - GL_R = $2002; - GL_Q = $2003; - - GL_TEXTURE_GEN_S = $0C60; - GL_TEXTURE_GEN_T = $0C61; - GL_TEXTURE_GEN_R = $0C62; - GL_TEXTURE_GEN_Q = $0C63; - - GL_RED = $1903; - GL_GREEN = $1904; - GL_BLUE = $1905; - - GL_ALPHA = $1906; - GL_ALPHA4 = $803B; - GL_ALPHA8 = $803C; - GL_ALPHA12 = $803D; - GL_ALPHA16 = $803E; - - GL_LUMINANCE = $1909; - GL_LUMINANCE4 = $803F; - GL_LUMINANCE8 = $8040; - GL_LUMINANCE12 = $8041; - GL_LUMINANCE16 = $8042; - - GL_LUMINANCE_ALPHA = $190A; - GL_LUMINANCE4_ALPHA4 = $8043; - GL_LUMINANCE6_ALPHA2 = $8044; - GL_LUMINANCE8_ALPHA8 = $8045; - GL_LUMINANCE12_ALPHA4 = $8046; - GL_LUMINANCE12_ALPHA12 = $8047; - GL_LUMINANCE16_ALPHA16 = $8048; - - GL_RGB = $1907; - GL_BGR = $80E0; - GL_R3_G3_B2 = $2A10; - GL_RGB4 = $804F; - GL_RGB5 = $8050; - GL_RGB565 = $8D62; - GL_RGB8 = $8051; - GL_RGB10 = $8052; - GL_RGB12 = $8053; - GL_RGB16 = $8054; - - GL_RGBA = $1908; - GL_BGRA = $80E1; - GL_RGBA2 = $8055; - GL_RGBA4 = $8056; - GL_RGB5_A1 = $8057; - GL_RGBA8 = $8058; - GL_RGB10_A2 = $8059; - GL_RGBA12 = $805A; - GL_RGBA16 = $805B; - - GL_DEPTH_COMPONENT = $1902; - GL_DEPTH_COMPONENT16 = $81A5; - GL_DEPTH_COMPONENT24 = $81A6; - GL_DEPTH_COMPONENT32 = $81A7; - - GL_COMPRESSED_RGB = $84ED; - GL_COMPRESSED_RGBA = $84EE; - GL_COMPRESSED_RGB_S3TC_DXT1_EXT = $83F0; - GL_COMPRESSED_RGBA_S3TC_DXT1_EXT = $83F1; - GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = $83F2; - GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = $83F3; - - GL_UNSIGNED_BYTE = $1401; - GL_UNSIGNED_BYTE_3_3_2 = $8032; - GL_UNSIGNED_BYTE_2_3_3_REV = $8362; - - GL_UNSIGNED_SHORT = $1403; - GL_UNSIGNED_SHORT_5_6_5 = $8363; - GL_UNSIGNED_SHORT_4_4_4_4 = $8033; - GL_UNSIGNED_SHORT_5_5_5_1 = $8034; - GL_UNSIGNED_SHORT_5_6_5_REV = $8364; - GL_UNSIGNED_SHORT_4_4_4_4_REV = $8365; - GL_UNSIGNED_SHORT_1_5_5_5_REV = $8366; - - GL_UNSIGNED_INT = $1405; - GL_UNSIGNED_INT_8_8_8_8 = $8035; - GL_UNSIGNED_INT_10_10_10_2 = $8036; - GL_UNSIGNED_INT_8_8_8_8_REV = $8367; - GL_UNSIGNED_INT_2_10_10_10_REV = $8368; - - { Texture Filter } - GL_TEXTURE_MAG_FILTER = $2800; - GL_TEXTURE_MIN_FILTER = $2801; - GL_NEAREST = $2600; - GL_NEAREST_MIPMAP_NEAREST = $2700; - GL_NEAREST_MIPMAP_LINEAR = $2702; - GL_LINEAR = $2601; - GL_LINEAR_MIPMAP_NEAREST = $2701; - GL_LINEAR_MIPMAP_LINEAR = $2703; - - { Texture Wrap } - GL_TEXTURE_WRAP_S = $2802; - GL_TEXTURE_WRAP_T = $2803; - GL_TEXTURE_WRAP_R = $8072; - GL_CLAMP = $2900; - GL_REPEAT = $2901; - GL_CLAMP_TO_EDGE = $812F; - GL_CLAMP_TO_BORDER = $812D; - GL_MIRRORED_REPEAT = $8370; - - { Other } - GL_GENERATE_MIPMAP = $8191; - GL_TEXTURE_BORDER_COLOR = $1004; - GL_MAX_TEXTURE_SIZE = $0D33; - GL_PACK_ALIGNMENT = $0D05; - GL_UNPACK_ALIGNMENT = $0CF5; - - GL_TEXTURE_MAX_ANISOTROPY_EXT = $84FE; - GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT = $84FF; - GL_MAX_CUBE_MAP_TEXTURE_SIZE = $851C; - GL_TEXTURE_GEN_MODE = $2500; - -{$IF DEFINED(GLB_WIN)} - libglu = 'glu32.dll'; - libopengl = 'opengl32.dll'; -{$ELSEIF DEFINED(GLB_LINUX)} - libglu = 'libGLU.so.1'; - libopengl = 'libGL.so.1'; -{$IFEND} - -type - GLboolean = BYTEBOOL; - GLint = Integer; - GLsizei = Integer; - GLuint = Cardinal; - GLfloat = Single; - GLenum = Cardinal; - - PGLvoid = Pointer; - PGLboolean = ^GLboolean; - PGLint = ^GLint; - PGLuint = ^GLuint; - PGLfloat = ^GLfloat; - - TglCompressedTexImage1D = procedure(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglCompressedTexImage2D = procedure(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; height: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetCompressedTexImage = procedure(target: GLenum; level: GLint; img: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - -{$IF DEFINED(GLB_WIN)} - TwglGetProcAddress = function (ProcName: PAnsiChar): Pointer; stdcall; -{$ELSEIF DEFINED(GLB_LINUX)} - TglXGetProcAddress = function(ProcName: PAnsiChar): Pointer; cdecl; - TglXGetProcAddressARB = function(const name: PAnsiChar): pointer; cdecl; -{$IFEND} - -{$IF DEFINED(GLB_NATIVE_OGL_DYNAMIC)} - TglEnable = procedure(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglDisable = procedure(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglGetString = function(name: GLenum): PAnsiChar; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetIntegerv = procedure(pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglTexParameteri = procedure(target: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglTexParameteriv = procedure(target: GLenum; pname: GLenum; const params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglTexParameterfv = procedure(target: GLenum; pname: GLenum; const params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexParameteriv = procedure(target: GLenum; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexParameterfv = procedure(target: GLenum; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexLevelParameteriv = procedure(target: GLenum; level: GLint; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexLevelParameterfv = procedure(target: GLenum; level: GLint; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglTexGeni = procedure(coord: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGenTextures = procedure(n: GLsizei; textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglBindTexture = procedure(target: GLenum; texture: GLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglDeleteTextures = procedure(n: GLsizei; const textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglAreTexturesResident = function(n: GLsizei; const textures: PGLuint; residences: PGLboolean): GLboolean; {$IFDEF DGL_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglReadPixels = procedure(x: GLint; y: GLint; width: GLsizei; height: GLsizei; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglPixelStorei = procedure(pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TglTexImage1D = procedure(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglTexImage2D = procedure(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; height: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TglGetTexImage = procedure(target: GLenum; level: GLint; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - - TgluBuild1DMipmaps = function(target: GLEnum; components, width: GLint; format, atype: GLEnum; const data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - TgluBuild2DMipmaps = function(target: GLEnum; components, width, height: GLint; format, atype: GLEnum; const Data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} - -{$ELSEIF DEFINED(GLB_NATIVE_OGL_STATIC)} - procedure glEnable(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glDisable(cap: GLenum); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - function glGetString(name: GLenum): PAnsiChar; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetIntegerv(pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - procedure glTexParameteri(target: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glTexParameteriv(target: GLenum; pname: GLenum; const params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glTexParameterfv(target: GLenum; pname: GLenum; const params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexParameteriv(target: GLenum; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexParameterfv(target: GLenum; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexLevelParameteriv(target: GLenum; level: GLint; pname: GLenum; params: PGLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexLevelParameterfv(target: GLenum; level: GLint; pname: GLenum; params: PGLfloat); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - procedure glTexGeni(coord: GLenum; pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGenTextures(n: GLsizei; textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glBindTexture(target: GLenum; texture: GLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glDeleteTextures(n: GLsizei; const textures: PGLuint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - function glAreTexturesResident(n: GLsizei; const textures: PGLuint; residences: PGLboolean): GLboolean; {$IFDEF DGL_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glReadPixels(x: GLint; y: GLint; width: GLsizei; height: GLsizei; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glPixelStorei(pname: GLenum; param: GLint); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - procedure glTexImage1D(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glTexImage2D(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; height: GLsizei; border: GLint; format: GLenum; _type: GLenum; const pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - procedure glGetTexImage(target: GLenum; level: GLint; format: GLenum; _type: GLenum; pixels: PGLvoid); {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libopengl; - - function gluBuild1DMipmaps(target: GLEnum; components, width: GLint; format, atype: GLEnum; const data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libglu; - function gluBuild2DMipmaps(target: GLEnum; components, width, height: GLint; format, atype: GLEnum; const Data: Pointer): GLint; {$IFDEF GLB_WIN}stdcall; {$ELSE}cdecl; {$ENDIF} external libglu; -{$IFEND} - -var - GL_VERSION_1_2, - GL_VERSION_1_3, - GL_VERSION_1_4, - GL_VERSION_2_0, - GL_VERSION_3_3, - - GL_SGIS_generate_mipmap, - - GL_ARB_texture_border_clamp, - GL_ARB_texture_mirrored_repeat, - GL_ARB_texture_rectangle, - GL_ARB_texture_non_power_of_two, - GL_ARB_texture_swizzle, - GL_ARB_texture_cube_map, - - GL_IBM_texture_mirrored_repeat, - - GL_NV_texture_rectangle, - - GL_EXT_texture_edge_clamp, - GL_EXT_texture_rectangle, - GL_EXT_texture_swizzle, - GL_EXT_texture_cube_map, - GL_EXT_texture_filter_anisotropic: Boolean; - - glCompressedTexImage1D: TglCompressedTexImage1D; - glCompressedTexImage2D: TglCompressedTexImage2D; - glGetCompressedTexImage: TglGetCompressedTexImage; - -{$IF DEFINED(GLB_WIN)} - wglGetProcAddress: TwglGetProcAddress; -{$ELSEIF DEFINED(GLB_LINUX)} - glXGetProcAddress: TglXGetProcAddress; - glXGetProcAddressARB: TglXGetProcAddress; -{$IFEND} - -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} - glEnable: TglEnable; - glDisable: TglDisable; - - glGetString: TglGetString; - glGetIntegerv: TglGetIntegerv; - - glTexParameteri: TglTexParameteri; - glTexParameteriv: TglTexParameteriv; - glTexParameterfv: TglTexParameterfv; - glGetTexParameteriv: TglGetTexParameteriv; - glGetTexParameterfv: TglGetTexParameterfv; - glGetTexLevelParameteriv: TglGetTexLevelParameteriv; - glGetTexLevelParameterfv: TglGetTexLevelParameterfv; - - glTexGeni: TglTexGeni; - glGenTextures: TglGenTextures; - glBindTexture: TglBindTexture; - glDeleteTextures: TglDeleteTextures; - - glAreTexturesResident: TglAreTexturesResident; - glReadPixels: TglReadPixels; - glPixelStorei: TglPixelStorei; - - glTexImage1D: TglTexImage1D; - glTexImage2D: TglTexImage2D; - glGetTexImage: TglGetTexImage; - - gluBuild1DMipmaps: TgluBuild1DMipmaps; - gluBuild2DMipmaps: TgluBuild2DMipmaps; -{$ENDIF} -{$ENDIF} - type {$IFNDEF fpc} QWord = System.UInt64; @@ -2397,234 +2060,6 @@ begin DEPTH_WEIGHT_B * aPixel.Data.b); end; -{$IFDEF GLB_NATIVE_OGL} -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -//OpenGLInitialization/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -var - GL_LibHandle: Pointer = nil; - -function glbGetProcAddress(aProcName: PAnsiChar; aLibHandle: Pointer = nil; const aRaiseOnErr: Boolean = true): Pointer; -begin - if not Assigned(aLibHandle) then - aLibHandle := GL_LibHandle; - -{$IF DEFINED(GLB_WIN)} - result := GetProcAddress({%H-}HMODULE(aLibHandle), aProcName); - if Assigned(result) then - exit; - - if Assigned(wglGetProcAddress) then - result := wglGetProcAddress(aProcName); -{$ELSEIF DEFINED(GLB_LINUX)} - if Assigned(glXGetProcAddress) then begin - result := glXGetProcAddress(aProcName); - if Assigned(result) then - exit; - end; - - if Assigned(glXGetProcAddressARB) then begin - result := glXGetProcAddressARB(aProcName); - if Assigned(result) then - exit; - end; - - result := dlsym(aLibHandle, aProcName); -{$IFEND} - if not Assigned(result) and aRaiseOnErr then - raise EglBitmap.Create('unable to load procedure form library: ' + aProcName); -end; - -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} -var - GLU_LibHandle: Pointer = nil; - OpenGLInitialized: Boolean; - InitOpenGLCS: TCriticalSection; - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glbInitOpenGL; - - //////////////////////////////////////////////////////////////////////////////// - function glbLoadLibrary(const aName: PChar): Pointer; - begin - {$IF DEFINED(GLB_WIN)} - result := {%H-}Pointer(LoadLibrary(aName)); - {$ELSEIF DEFINED(GLB_LINUX)} - result := dlopen(Name, RTLD_LAZY); - {$ELSE} - result := nil; - {$IFEND} - end; - - //////////////////////////////////////////////////////////////////////////////// - function glbFreeLibrary(const aLibHandle: Pointer): Boolean; - begin - result := false; - if not Assigned(aLibHandle) then - exit; - - {$IF DEFINED(GLB_WIN)} - Result := FreeLibrary({%H-}HINST(aLibHandle)); - {$ELSEIF DEFINED(GLB_LINUX)} - Result := dlclose(aLibHandle) = 0; - {$IFEND} - end; - -begin - if Assigned(GL_LibHandle) then - glbFreeLibrary(GL_LibHandle); - - if Assigned(GLU_LibHandle) then - glbFreeLibrary(GLU_LibHandle); - - GL_LibHandle := glbLoadLibrary(libopengl); - if not Assigned(GL_LibHandle) then - raise EglBitmap.Create('unable to load library: ' + libopengl); - - GLU_LibHandle := glbLoadLibrary(libglu); - if not Assigned(GLU_LibHandle) then - raise EglBitmap.Create('unable to load library: ' + libglu); - -{$IF DEFINED(GLB_WIN)} - wglGetProcAddress := glbGetProcAddress('wglGetProcAddress'); -{$ELSEIF DEFINED(GLB_LINUX)} - glXGetProcAddress := glbGetProcAddress('glXGetProcAddress'); - glXGetProcAddressARB := glbGetProcAddress('glXGetProcAddressARB'); -{$IFEND} - - glEnable := glbGetProcAddress('glEnable'); - glDisable := glbGetProcAddress('glDisable'); - glGetString := glbGetProcAddress('glGetString'); - glGetIntegerv := glbGetProcAddress('glGetIntegerv'); - glTexParameteri := glbGetProcAddress('glTexParameteri'); - glTexParameteriv := glbGetProcAddress('glTexParameteriv'); - glTexParameterfv := glbGetProcAddress('glTexParameterfv'); - glGetTexParameteriv := glbGetProcAddress('glGetTexParameteriv'); - glGetTexParameterfv := glbGetProcAddress('glGetTexParameterfv'); - glGetTexLevelParameteriv := glbGetProcAddress('glGetTexLevelParameteriv'); - glGetTexLevelParameterfv := glbGetProcAddress('glGetTexLevelParameterfv'); - glTexGeni := glbGetProcAddress('glTexGeni'); - glGenTextures := glbGetProcAddress('glGenTextures'); - glBindTexture := glbGetProcAddress('glBindTexture'); - glDeleteTextures := glbGetProcAddress('glDeleteTextures'); - glAreTexturesResident := glbGetProcAddress('glAreTexturesResident'); - glReadPixels := glbGetProcAddress('glReadPixels'); - glPixelStorei := glbGetProcAddress('glPixelStorei'); - glTexImage1D := glbGetProcAddress('glTexImage1D'); - glTexImage2D := glbGetProcAddress('glTexImage2D'); - glGetTexImage := glbGetProcAddress('glGetTexImage'); - - gluBuild1DMipmaps := glbGetProcAddress('gluBuild1DMipmaps', GLU_LibHandle); - gluBuild2DMipmaps := glbGetProcAddress('gluBuild2DMipmaps', GLU_LibHandle); -end; -{$ENDIF} - -///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -procedure glbReadOpenGLExtensions; -var - Buffer: AnsiString; - MajorVersion, MinorVersion: Integer; - - /////////////////////////////////////////////////////////////////////////////////////////// - procedure TrimVersionString(aBuffer: AnsiString; out aMajor, aMinor: Integer); - var - Separator: Integer; - begin - aMinor := 0; - aMajor := 0; - - Separator := Pos(AnsiString('.'), aBuffer); - if (Separator > 1) and (Separator < Length(aBuffer)) and - (aBuffer[Separator - 1] in ['0'..'9']) and - (aBuffer[Separator + 1] in ['0'..'9']) then begin - - Dec(Separator); - while (Separator > 0) and (aBuffer[Separator] in ['0'..'9']) do - Dec(Separator); - - Delete(aBuffer, 1, Separator); - Separator := Pos(AnsiString('.'), aBuffer) + 1; - - while (Separator <= Length(aBuffer)) and (AnsiChar(aBuffer[Separator]) in ['0'..'9']) do - Inc(Separator); - - Delete(aBuffer, Separator, 255); - Separator := Pos(AnsiString('.'), aBuffer); - - aMajor := StrToInt(Copy(String(aBuffer), 1, Separator - 1)); - aMinor := StrToInt(Copy(String(aBuffer), Separator + 1, 1)); - end; - end; - - /////////////////////////////////////////////////////////////////////////////////////////// - function CheckExtension(const Extension: AnsiString): Boolean; - var - ExtPos: Integer; - begin - ExtPos := Pos(Extension, Buffer); - result := ExtPos > 0; - if result then - result := ((ExtPos + Length(Extension) - 1) = Length(Buffer)) or not (Buffer[ExtPos + Length(Extension)] in ['_', 'A'..'Z', 'a'..'z']); - end; - - /////////////////////////////////////////////////////////////////////////////////////////// - function CheckVersion(const aMajor, aMinor: Integer): Boolean; - begin - result := (MajorVersion > aMajor) or ((MajorVersion = aMajor) and (MinorVersion >= aMinor)); - end; - -begin -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} - InitOpenGLCS.Enter; - try - if not OpenGLInitialized then begin - glbInitOpenGL; - OpenGLInitialized := true; - end; - finally - InitOpenGLCS.Leave; - end; -{$ENDIF} - - // Version - Buffer := glGetString(GL_VERSION); - TrimVersionString(Buffer, MajorVersion, MinorVersion); - - GL_VERSION_1_2 := CheckVersion(1, 2); - GL_VERSION_1_3 := CheckVersion(1, 3); - GL_VERSION_1_4 := CheckVersion(1, 4); - GL_VERSION_2_0 := CheckVersion(2, 0); - GL_VERSION_3_3 := CheckVersion(3, 3); - - // Extensions - Buffer := glGetString(GL_EXTENSIONS); - GL_ARB_texture_border_clamp := CheckExtension('GL_ARB_texture_border_clamp'); - GL_ARB_texture_non_power_of_two := CheckExtension('GL_ARB_texture_non_power_of_two'); - GL_ARB_texture_swizzle := CheckExtension('GL_ARB_texture_swizzle'); - GL_ARB_texture_cube_map := CheckExtension('GL_ARB_texture_cube_map'); - GL_ARB_texture_rectangle := CheckExtension('GL_ARB_texture_rectangle'); - GL_ARB_texture_mirrored_repeat := CheckExtension('GL_ARB_texture_mirrored_repeat'); - GL_EXT_texture_edge_clamp := CheckExtension('GL_EXT_texture_edge_clamp'); - GL_EXT_texture_filter_anisotropic := CheckExtension('GL_EXT_texture_filter_anisotropic'); - GL_EXT_texture_rectangle := CheckExtension('GL_EXT_texture_rectangle'); - GL_EXT_texture_swizzle := CheckExtension('GL_EXT_texture_swizzle'); - GL_EXT_texture_cube_map := CheckExtension('GL_EXT_texture_cube_map'); - GL_NV_texture_rectangle := CheckExtension('GL_NV_texture_rectangle'); - GL_IBM_texture_mirrored_repeat := CheckExtension('GL_IBM_texture_mirrored_repeat'); - GL_SGIS_generate_mipmap := CheckExtension('GL_SGIS_generate_mipmap'); - - if GL_VERSION_1_3 then begin - glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1D'); - glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2D'); - glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImage'); - end else begin - glCompressedTexImage1D := glbGetProcAddress('glCompressedTexImage1DARB', nil, false); - glCompressedTexImage2D := glbGetProcAddress('glCompressedTexImage2DARB', nil, false); - glGetCompressedTexImage := glbGetProcAddress('glGetCompressedTexImageARB', nil, false); - end; -end; -{$ENDIF} - {$IFDEF GLB_SDL_IMAGE} ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // SDL Image Helper ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @@ -6577,9 +6012,6 @@ constructor TglBitmap.Create; begin if (ClassType = TglBitmap) then raise EglBitmap.Create('Don''t create TglBitmap directly. Use one of the deviated classes (TglBitmap2D) instead.'); -{$IFDEF GLB_NATIVE_OGL} - glbReadOpenGLExtensions; -{$ENDIF} inherited Create; fFormat := glBitmapGetDefaultFormat; fFreeDataOnDestroy := true; @@ -9528,23 +8960,7 @@ initialization TFormatDescriptor.Init; -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} - OpenGLInitialized := false; - InitOpenGLCS := TCriticalSection.Create; -{$ENDIF} - finalization TFormatDescriptor.Finalize; -{$IFDEF GLB_NATIVE_OGL} - if Assigned(GL_LibHandle) then - glbFreeLibrary(GL_LibHandle); - -{$IFDEF GLB_NATIVE_OGL_DYNAMIC} - if Assigned(GLU_LibHandle) then - glbFreeLibrary(GLU_LibHandle); - FreeAndNil(InitOpenGLCS); -{$ENDIF} -{$ENDIF} - end. -- 2.1.4