diff options
Diffstat (limited to 'drivers/gles2/rasterizer_storage_gles2.cpp')
| -rw-r--r-- | drivers/gles2/rasterizer_storage_gles2.cpp | 120 |
1 files changed, 119 insertions, 1 deletions
diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp index 01d5e35e56..b051c7d811 100644 --- a/drivers/gles2/rasterizer_storage_gles2.cpp +++ b/drivers/gles2/rasterizer_storage_gles2.cpp @@ -4664,6 +4664,23 @@ void RasterizerStorageGLES2::_render_target_clear(RenderTarget *rt) { rt->fbo = 0; } + if (rt->external.fbo != 0) { + // free this + glDeleteFramebuffers(1, &rt->external.fbo); + + // clean up our texture + Texture *t = texture_owner.get(rt->external.texture); + t->alloc_height = 0; + t->alloc_width = 0; + t->width = 0; + t->height = 0; + t->active = false; + texture_owner.free(rt->external.texture); + memdelete(t); + + rt->external.fbo = 0; + } + if (rt->depth) { if (config.support_depth_texture) { glDeleteTextures(1, &rt->depth); @@ -4742,7 +4759,108 @@ RID RasterizerStorageGLES2::render_target_get_texture(RID p_render_target) const RenderTarget *rt = render_target_owner.getornull(p_render_target); ERR_FAIL_COND_V(!rt, RID()); - return rt->texture; + if (rt->external.fbo == 0) { + return rt->texture; + } else { + return rt->external.texture; + } +} + +void RasterizerStorageGLES2::render_target_set_external_texture(RID p_render_target, unsigned int p_texture_id) { + RenderTarget *rt = render_target_owner.getornull(p_render_target); + ERR_FAIL_COND(!rt); + + if (p_texture_id == 0) { + if (rt->external.fbo != 0) { + // free this + glDeleteFramebuffers(1, &rt->external.fbo); + + // clean up our texture + Texture *t = texture_owner.get(rt->external.texture); + t->alloc_height = 0; + t->alloc_width = 0; + t->width = 0; + t->height = 0; + t->active = false; + texture_owner.free(rt->external.texture); + memdelete(t); + + rt->external.fbo = 0; + rt->external.color = 0; + } + } else { + Texture *t; + + if (rt->external.fbo == 0) { + // create our fbo + glGenFramebuffers(1, &rt->external.fbo); + glBindFramebuffer(GL_FRAMEBUFFER, rt->external.fbo); + + // allocate a texture + t = memnew(Texture); + + t->type = VS::TEXTURE_TYPE_2D; + t->flags = 0; + t->width = 0; + t->height = 0; + t->alloc_height = 0; + t->alloc_width = 0; + t->format = Image::FORMAT_RGBA8; + t->target = GL_TEXTURE_2D; + t->gl_format_cache = 0; + t->gl_internal_format_cache = 0; + t->gl_type_cache = 0; + t->data_size = 0; + t->compressed = false; + t->srgb = false; + t->total_data_size = 0; + t->ignore_mipmaps = false; + t->mipmaps = 1; + t->active = true; + t->tex_id = 0; + t->render_target = rt; + + rt->external.texture = texture_owner.make_rid(t); + } else { + // bind our frame buffer + glBindFramebuffer(GL_FRAMEBUFFER, rt->external.fbo); + + // find our texture + t = texture_owner.get(rt->external.texture); + } + + // set our texture + t->tex_id = p_texture_id; + rt->external.color = p_texture_id; + + // size shouldn't be different + t->width = rt->width; + t->height = rt->height; + t->alloc_height = rt->width; + t->alloc_width = rt->height; + + // is there a point to setting the internal formats? we don't know them.. + + // set our texture as the destination for our framebuffer + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, p_texture_id, 0); + + // seeing we're rendering into this directly, better also use our depth buffer, just use our existing one :) + if (config.support_depth_texture) { + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); + } else { + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); + } + + // check status and unbind + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + glBindFramebuffer(GL_FRAMEBUFFER, RasterizerStorageGLES2::system_fbo); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + printf("framebuffer fail, status: %x\n", status); + } + + ERR_FAIL_COND(status != GL_FRAMEBUFFER_COMPLETE); + } } void RasterizerStorageGLES2::render_target_set_flag(RID p_render_target, RenderTargetFlags p_flag, bool p_value) { |