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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/glframebuffer_8cpp_source.html below:

NCBI C++ ToolKit: src/gui/opengl/glframebuffer.cpp Source File

57

, m_TextureReleased(

)

59

, m_ClearColorGreen(1)

61

, m_ClearColorAlpha(1)

73

status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);

74 if

(status == GL_FRAMEBUFFER_COMPLETE_EXT)

79 const char

*

= getenv(

"NCBI_GBENCH_GLERROR"

);

96 case

GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:

97 msg

=

"Framebuffer: Incomplete attachment"

;

99 case

GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:

100 msg

=

"Framebuffer: Incomplete missing attachment"

;

102 case

GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:

103 msg

=

"Framebuffer: Incomplete dimensions"

;

105 case

GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:

106 msg

=

"Framebuffer: Incomplete formats"

;

108 case

GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:

109 msg

=

"Framebuffer: Incomplete draw buffer"

;

111 case

GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:

112 msg

=

"Framebuffer: Incomplete read buffer"

;

114 case

GL_FRAMEBUFFER_UNSUPPORTED_EXT:

115 msg

=

"Framebuffer: Unsupported framebuffer"

;

118 msg

=

"Framebuffer: Unknown error"

;

149 if

(glewIsSupported(

"GL_EXT_framebuffer_object"

)) {

151

glDeleteTextures(1, &

);

153

glDeleteRenderbuffersEXT(1, &

);

154 if

(glIsFramebufferEXT(

))

155

glDeleteFramebuffersEXT(1, &

);

179 if

(!glewIsSupported(

"GL_EXT_framebuffer_object"

))

184

glGenFramebuffersEXT(1, &

);

185

glBindFramebufferEXT(GL_FRAMEBUFFER_EXT,

);

188

glEnable(GL_TEXTURE_2D);

191

glBindTexture(GL_TEXTURE_2D,

);

192

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,

);

193

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,

);

194

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,

);

195

glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,

);

199

glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);

201

GL_RGBA, GL_FLOAT,

);

203

glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D,

, 0);

207

glBindRenderbufferEXT(GL_RENDERBUFFER_EXT,

);

208

glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_STENCIL_EXT, (GLsizei)

, (GLsizei)

);

210

glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT,

);

211

glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT,

);

216

glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);

220

glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);

226 if

(

== GL_NEAREST_MIPMAP_NEAREST ||

227 m_TexMin

== GL_LINEAR_MIPMAP_NEAREST ||

228 m_TexMin

== GL_NEAREST_MIPMAP_LINEAR ||

229 m_TexMin

== GL_LINEAR_MIPMAP_LINEAR )

247 int

current_size = start_size;

249

std::vector<int> sizes;

251 if

(!glewIsSupported(

"GL_EXT_framebuffer_object"

))

255

glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_tex_size);

257 for

(

int i

=0;

i

<

; ++

i

) {

258 if

(current_size > max_tex_size)

261

sizes.push_back(current_size);

282

glBindFramebufferEXT(GL_FRAMEBUFFER_EXT,

);

284

glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);

285

glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);

288

glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);

290

glDrawBuffer(GL_BACK);

291

glReadBuffer(GL_BACK);

301

glBindFramebufferEXT(GL_FRAMEBUFFER_EXT,

);

303

glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);

304

glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);

307

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

313

glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);

315

glDrawBuffer(GL_BACK);

316

glReadBuffer(GL_BACK);

324

glEnable(GL_TEXTURE_2D);

325

glBindTexture(GL_TEXTURE_2D,

);

330

glGenerateMipmapEXT(GL_TEXTURE_2D);

GLint m_TexMag

magnification filter

virtual void SetClearColor(float red, float green, float blue, float alpha)

void SetTextureWrap(GLint wraps, GLint wrapt)

Set texture paramters, if needed. Call before calling CreateFrameBuffer.

static std::vector< int > checkFramebufferAvailability(int start_size, int count)

Return an arrray of valid image output sizes.

GLint m_TexMin

Texture parameters.

virtual I3DTexture * Get3DTexture()

GLuint m_FbTex

Texture target id.

void Clear()

Deletes the current framebuffer, if any.

virtual void Render(std::function< void()> renderer)

void MakeCurrent(bool b)

Makes this framebuffer the current rendering target if b==true, and if b==false, makes the rendering ...

CGLFrameBuffer(size_t dim)

virtual void GenerateMipMaps()

Generates mipmaps for the texture rendering target.

size_t m_FrameSize

Size of framebuffer (in both dimensions).

GLuint m_DepthRb

Depth renderbuffer id.

static bool CheckFBOError()

Returns true and writes error message if framebuffer is invalid.

bool m_TextureReleased

if true, the texture is not deleted with the framebuffer

virtual void SetTextureFiltering(GLint min_filter, GLint mag_filter)

Set texture filtering parameters (default: GL_LINEAR)

virtual bool IsValid()

Returns true if framebuffer was created successfully.

virtual void CreateFrameBuffer()

Create, set and validate framebuffer.

NCBI_XNCBI_EXPORT void Abort(void)

Smart abort function.

#define LOG_POST(message)

This macro is deprecated and it's strongly recomended to move in all projects (except tests) to macro...

void Error(CExceptionArgs_Base &args)

static bool CheckGlError()

Check if there are any OpenGL errors.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

const GenericPointer< typename T::ValueType > T2 value

int strcmp(const char *str1, const char *str2)

static SLJIT_INLINE sljit_ins msg(sljit_gpr r, sljit_s32 d, sljit_gpr x, sljit_gpr b)

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