void FramebufferObject::detachTexture(GLenum attachment) {
size_t index = decodeAttachment(attachment);
if (attachments_[index] != 0) {
switch (attachments_[index]->getType()) {
case GL_TEXTURE_1D:
glFramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_1D, 0, 0);
break;
case GL_TEXTURE_2D_ARRAY:
glFramebufferTextureLayerEXT(GL_FRAMEBUFFER_EXT, attachment, 0, 0, 0);
break;
case GL_TEXTURE_3D:
glFramebufferTexture3DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_3D, 0, 0, 0);
break;
default: // GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_2D, 0, 0);
break;
}
attachments_[index] = 0;
LGL_ERROR;
if (index < CGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS)
--numColorAttachments_;
}
else {
LWARNING("Trying to detach unknown texture!");
}
}
void FramebufferObject::attachTexture(Texture* texture, GLenum attachment, int mipLevel, int zSlice)
{
switch(texture->getType()) {
case GL_TEXTURE_1D:
glFramebufferTexture1DEXT( GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_1D, texture->getId(), mipLevel );
break;
case GL_TEXTURE_3D:
glFramebufferTexture3DEXT( GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_3D, texture->getId(), mipLevel, zSlice );
break;
case GL_TEXTURE_2D_ARRAY:
glFramebufferTextureLayerEXT( GL_FRAMEBUFFER_EXT, attachment, texture->getId(), mipLevel, zSlice );
break;
default: //GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE
glFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, attachment, texture->getType(), texture->getId(), mipLevel );
break;
}
LGL_ERROR;
size_t index = decodeAttachment(attachment);
attachments_[index] = texture;
if (index < CGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS)
++numColorAttachments_;
#ifdef CAMPVIS_DEBUG
this->isComplete();
#endif
}
/*
=================
R_AttachFBOTexture1D
=================
*/
void R_AttachFBOTexture1D( int texId, int index )
{
if ( index < 0 || index >= glConfig2.maxColorAttachments )
{
ri.Printf( PRINT_WARNING, "R_AttachFBOTexture1D: invalid attachment index %i\n", index );
return;
}
glFramebufferTexture1DEXT( GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT + index, GL_TEXTURE_1D, texId, 0 );
}
inline void VL_glFramebufferTexture1D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level)
{
if (glFramebufferTexture1D)
glFramebufferTexture1D(target, attachment, textarget, texture, level);
else
if (glFramebufferTexture1DEXT)
glFramebufferTexture1DEXT(target, attachment, textarget, texture, level);
else
VL_UNSUPPORTED_FUNC();
}
/**
* Attaches a GL texture to the framebuffer
*/
void FBO::AttachTexture(const GLuint texId, const GLenum texTarget, const GLenum attachment, const int mipLevel, const int zSlice )
{
if (texTarget == GL_TEXTURE_1D) {
glFramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_1D, texId, mipLevel);
} else if (texTarget == GL_TEXTURE_3D) {
glFramebufferTexture3DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_3D, texId, mipLevel, zSlice);
} else {
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, attachment, texTarget, texId, mipLevel);
}
}
static int
create_1d_fbo(void)
{
GLuint tex, fb;
GLenum status;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_1D, tex);
glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA,
BUF_WIDTH,
0,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
assert(glGetError() == 0);
glGenFramebuffersEXT(1, &fb);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb);
glFramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_1D,
tex,
0);
assert(glGetError() == 0);
status = glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
fprintf(stderr, "FBO incomplete\n");
goto done;
}
glViewport(0, 0, BUF_WIDTH, 1);
piglit_ortho_projection(BUF_WIDTH, 1, GL_FALSE);
/* left side: red */
glColor4f(1.0, 0.0, 0.0, 0.0);
piglit_draw_rect(0, 0, BUF_WIDTH / 2, 1);
/* right side: green */
glColor4f(0.0, 1.0, 0.0, 0.0);
piglit_draw_rect(BUF_WIDTH / 2, 0, BUF_WIDTH, 1);
done:
glDeleteFramebuffersEXT(1, &fb);
return tex;
}
void FramebufferObject::attachTexture(Texture* texture, GLenum attachment, int mipLevel, int zSlice)
{
switch (texture->getType()) {
case GL_TEXTURE_1D:
glFramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_1D, texture->getId(), mipLevel);
break;
case GL_TEXTURE_3D:
glFramebufferTexture3DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_3D, texture->getId(), mipLevel, zSlice);
break;
case GL_TEXTURE_2D_ARRAY_EXT:
glFramebufferTextureLayerEXT(GL_FRAMEBUFFER_EXT, attachment, texture->getId(), mipLevel, zSlice);
break;
default: //GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, attachment, texture->getType(), texture->getId(), mipLevel);
break;
}
attachedTextures_[attachment] = texture;
}
// attach the texture to a FBO
void
CFrameBufferObject::attachTexture( GLenum texTarget, GLuint texId,
GLenum attachment, int mipLevel, int zSlice )
{
bindRenderPath();
switch (texTarget) {
case GL_TEXTURE_1D:
glFramebufferTexture1DEXT( GL_FRAMEBUFFER_EXT, attachment,
GL_TEXTURE_1D, texId, mipLevel );
break;
case GL_TEXTURE_3D:
glFramebufferTexture3DEXT( GL_FRAMEBUFFER_EXT, attachment,
GL_TEXTURE_3D, texId, mipLevel, zSlice );
break;
default:
// Default is GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE_ARB, or cube faces
glFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, attachment,
texTarget, texId, mipLevel );
break;
}
unbindRenderPath();
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTFramebufferObject_glFramebufferTexture1DEXT(JNIEnv *__env, jclass clazz, jint target, jint attachment, jint textarget, jint texture, jint level) {
glFramebufferTexture1DEXTPROC glFramebufferTexture1DEXT = (glFramebufferTexture1DEXTPROC)tlsGetFunction(1709);
UNUSED_PARAM(clazz)
glFramebufferTexture1DEXT(target, attachment, textarget, texture, level);
}
void frame_buffer_texture1D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) {
glFramebufferTexture1DEXT(target, attachment, textarget, texture, level);
CHECK_GL_ERROR();
}
static void create_1d_fbo(GLuint *out_tex, GLuint *out_ds)
{
GLuint tex, ds, fb;
GLenum status;
/* Create the color buffer. */
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_1D, tex);
glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA,
BUF_WIDTH,
0,
GL_RGBA, GL_UNSIGNED_BYTE, NULL);
assert(glGetError() == 0);
/* Create the depth-stencil buffer. */
glGenTextures(1, &ds);
glBindTexture(GL_TEXTURE_1D, ds);
glTexImage1D(GL_TEXTURE_1D, 0, f.iformat, BUF_WIDTH, 0, f.format, f.type, NULL);
assert(glGetError() == 0);
/* Create the FBO. */
glGenFramebuffersEXT(1, &fb);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb);
glFramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_1D,
tex,
0);
glFramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT,
GL_DEPTH_ATTACHMENT_EXT,
GL_TEXTURE_1D,
ds,
0);
if (f.format == GL_DEPTH_STENCIL) {
glFramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT,
GL_STENCIL_ATTACHMENT_EXT,
GL_TEXTURE_1D,
ds,
0);
}
assert(glGetError() == 0);
status = glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
piglit_report_result(PIGLIT_SKIP);
}
glViewport(0, 0, BUF_WIDTH, 1);
glClearDepth(1);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_ALWAYS);
glDepthRange(0, 0);
glClear(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
piglit_ortho_projection(BUF_WIDTH, 1, GL_FALSE);
/* green */
glColor4f(0.0, 1.0, 0.0, 0.0);
piglit_draw_rect(0, 0, BUF_WIDTH, 1);
glBindFramebufferEXT(GL_FRAMEBUFFER, piglit_winsys_fbo);
glDeleteFramebuffersEXT(1, &fb);
*out_tex = tex;
*out_ds = ds;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTFramebufferObject_nglFramebufferTexture1DEXT(JNIEnv *env, jclass clazz, jint target, jint attachment, jint textarget, jint texture, jint level, jlong function_pointer) {
glFramebufferTexture1DEXTPROC glFramebufferTexture1DEXT = (glFramebufferTexture1DEXTPROC)((intptr_t)function_pointer);
glFramebufferTexture1DEXT(target, attachment, textarget, texture, level);
}
