Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1 | // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 2 | // |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 6 | // |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 8 | // |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 14 | |
| 15 | // Framebuffer.cpp: Implements the Framebuffer class. Implements GL framebuffer |
| 16 | // objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105. |
| 17 | |
| 18 | #include "Framebuffer.h" |
| 19 | |
| 20 | #include "main.h" |
| 21 | #include "Renderbuffer.h" |
| 22 | #include "Texture.h" |
| 23 | #include "utilities.h" |
| 24 | |
Nicolas Capens | 14ee762 | 2014-10-28 23:48:41 -0400 | [diff] [blame] | 25 | namespace es1 |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 26 | { |
| 27 | |
| 28 | Framebuffer::Framebuffer() |
| 29 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 30 | mColorbufferType = GL_NONE_OES; |
| 31 | mDepthbufferType = GL_NONE_OES; |
| 32 | mStencilbufferType = GL_NONE_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 33 | } |
| 34 | |
| 35 | Framebuffer::~Framebuffer() |
| 36 | { |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 37 | mColorbufferPointer = nullptr; |
| 38 | mDepthbufferPointer = nullptr; |
| 39 | mStencilbufferPointer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 40 | } |
| 41 | |
Nicolas Capens | 0ccc71d | 2018-03-23 10:13:06 -0400 | [diff] [blame] | 42 | Renderbuffer *Framebuffer::lookupRenderbuffer(GLenum type, GLuint handle, GLint level) const |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 43 | { |
| 44 | Context *context = getContext(); |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 45 | Renderbuffer *buffer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 46 | |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 47 | if(type == GL_NONE_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 48 | { |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 49 | buffer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 50 | } |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 51 | else if(type == GL_RENDERBUFFER_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 52 | { |
| 53 | buffer = context->getRenderbuffer(handle); |
| 54 | } |
| 55 | else if(IsTextureTarget(type)) |
| 56 | { |
Nicolas Capens | 0ccc71d | 2018-03-23 10:13:06 -0400 | [diff] [blame] | 57 | buffer = context->getTexture(handle)->getRenderbuffer(type, level); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 58 | } |
Nicolas Capens | 3713cd4 | 2015-06-22 10:41:54 -0400 | [diff] [blame] | 59 | else UNREACHABLE(type); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 60 | |
| 61 | return buffer; |
| 62 | } |
| 63 | |
Nicolas Capens | 0ccc71d | 2018-03-23 10:13:06 -0400 | [diff] [blame] | 64 | void Framebuffer::setColorbuffer(GLenum type, GLuint colorbuffer, GLint level) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 65 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 66 | mColorbufferType = (colorbuffer != 0) ? type : GL_NONE_OES; |
Nicolas Capens | 0ccc71d | 2018-03-23 10:13:06 -0400 | [diff] [blame] | 67 | mColorbufferPointer = lookupRenderbuffer(type, colorbuffer, level); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 68 | } |
| 69 | |
Nicolas Capens | 0ccc71d | 2018-03-23 10:13:06 -0400 | [diff] [blame] | 70 | void Framebuffer::setDepthbuffer(GLenum type, GLuint depthbuffer, GLint level) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 71 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 72 | mDepthbufferType = (depthbuffer != 0) ? type : GL_NONE_OES; |
Nicolas Capens | 0ccc71d | 2018-03-23 10:13:06 -0400 | [diff] [blame] | 73 | mDepthbufferPointer = lookupRenderbuffer(type, depthbuffer, level); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 74 | } |
| 75 | |
Nicolas Capens | 0ccc71d | 2018-03-23 10:13:06 -0400 | [diff] [blame] | 76 | void Framebuffer::setStencilbuffer(GLenum type, GLuint stencilbuffer, GLint level) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 77 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 78 | mStencilbufferType = (stencilbuffer != 0) ? type : GL_NONE_OES; |
Nicolas Capens | 0ccc71d | 2018-03-23 10:13:06 -0400 | [diff] [blame] | 79 | mStencilbufferPointer = lookupRenderbuffer(type, stencilbuffer, level); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | void Framebuffer::detachTexture(GLuint texture) |
| 83 | { |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 84 | if(mColorbufferPointer.name() == texture && IsTextureTarget(mColorbufferType)) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 85 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 86 | mColorbufferType = GL_NONE_OES; |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 87 | mColorbufferPointer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 88 | } |
| 89 | |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 90 | if(mDepthbufferPointer.name() == texture && IsTextureTarget(mDepthbufferType)) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 91 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 92 | mDepthbufferType = GL_NONE_OES; |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 93 | mDepthbufferPointer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 94 | } |
| 95 | |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 96 | if(mStencilbufferPointer.name() == texture && IsTextureTarget(mStencilbufferType)) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 97 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 98 | mStencilbufferType = GL_NONE_OES; |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 99 | mStencilbufferPointer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 100 | } |
| 101 | } |
| 102 | |
| 103 | void Framebuffer::detachRenderbuffer(GLuint renderbuffer) |
| 104 | { |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 105 | if(mColorbufferPointer.name() == renderbuffer && mColorbufferType == GL_RENDERBUFFER_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 106 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 107 | mColorbufferType = GL_NONE_OES; |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 108 | mColorbufferPointer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 109 | } |
| 110 | |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 111 | if(mDepthbufferPointer.name() == renderbuffer && mDepthbufferType == GL_RENDERBUFFER_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 112 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 113 | mDepthbufferType = GL_NONE_OES; |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 114 | mDepthbufferPointer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 115 | } |
| 116 | |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 117 | if(mStencilbufferPointer.name() == renderbuffer && mStencilbufferType == GL_RENDERBUFFER_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 118 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 119 | mStencilbufferType = GL_NONE_OES; |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 120 | mStencilbufferPointer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 121 | } |
| 122 | } |
| 123 | |
| 124 | // Increments refcount on surface. |
| 125 | // caller must Release() the returned surface |
Nicolas Capens | ead7ac5 | 2014-10-27 23:56:02 -0400 | [diff] [blame] | 126 | egl::Image *Framebuffer::getRenderTarget() |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 127 | { |
Nicolas Capens | d7d9b4b | 2015-01-29 23:46:44 -0500 | [diff] [blame] | 128 | Renderbuffer *colorbuffer = mColorbufferPointer; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 129 | |
| 130 | if(colorbuffer) |
| 131 | { |
| 132 | return colorbuffer->getRenderTarget(); |
| 133 | } |
| 134 | |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 135 | return nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | // Increments refcount on surface. |
| 139 | // caller must Release() the returned surface |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 140 | egl::Image *Framebuffer::getDepthBuffer() |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 141 | { |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 142 | Renderbuffer *depthbuffer = mDepthbufferPointer; |
| 143 | |
| 144 | if(depthbuffer) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 145 | { |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 146 | return depthbuffer->getRenderTarget(); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 147 | } |
| 148 | |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 149 | return nullptr; |
| 150 | } |
| 151 | |
| 152 | // Increments refcount on surface. |
| 153 | // caller must Release() the returned surface |
| 154 | egl::Image *Framebuffer::getStencilBuffer() |
| 155 | { |
| 156 | Renderbuffer *stencilbuffer = mStencilbufferPointer; |
| 157 | |
| 158 | if(stencilbuffer) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 159 | { |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 160 | return stencilbuffer->getRenderTarget(); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 161 | } |
| 162 | |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 163 | return nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | Renderbuffer *Framebuffer::getColorbuffer() |
| 167 | { |
Nicolas Capens | d7d9b4b | 2015-01-29 23:46:44 -0500 | [diff] [blame] | 168 | return mColorbufferPointer; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | Renderbuffer *Framebuffer::getDepthbuffer() |
| 172 | { |
Nicolas Capens | d7d9b4b | 2015-01-29 23:46:44 -0500 | [diff] [blame] | 173 | return mDepthbufferPointer; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | Renderbuffer *Framebuffer::getStencilbuffer() |
| 177 | { |
Nicolas Capens | d7d9b4b | 2015-01-29 23:46:44 -0500 | [diff] [blame] | 178 | return mStencilbufferPointer; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | GLenum Framebuffer::getColorbufferType() |
| 182 | { |
| 183 | return mColorbufferType; |
| 184 | } |
| 185 | |
| 186 | GLenum Framebuffer::getDepthbufferType() |
| 187 | { |
| 188 | return mDepthbufferType; |
| 189 | } |
| 190 | |
| 191 | GLenum Framebuffer::getStencilbufferType() |
| 192 | { |
| 193 | return mStencilbufferType; |
| 194 | } |
| 195 | |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 196 | GLuint Framebuffer::getColorbufferName() |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 197 | { |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 198 | return mColorbufferPointer.name(); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 199 | } |
| 200 | |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 201 | GLuint Framebuffer::getDepthbufferName() |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 202 | { |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 203 | return mDepthbufferPointer.name(); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 204 | } |
| 205 | |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 206 | GLuint Framebuffer::getStencilbufferName() |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 207 | { |
Nicolas Capens | 7cc75e1 | 2015-01-29 14:44:24 -0500 | [diff] [blame] | 208 | return mStencilbufferPointer.name(); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | bool Framebuffer::hasStencil() |
| 212 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 213 | if(mStencilbufferType != GL_NONE_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 214 | { |
| 215 | Renderbuffer *stencilbufferObject = getStencilbuffer(); |
| 216 | |
| 217 | if(stencilbufferObject) |
| 218 | { |
| 219 | return stencilbufferObject->getStencilSize() > 0; |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | return false; |
| 224 | } |
| 225 | |
| 226 | GLenum Framebuffer::completeness() |
| 227 | { |
| 228 | int width; |
| 229 | int height; |
| 230 | int samples; |
| 231 | |
| 232 | return completeness(width, height, samples); |
| 233 | } |
| 234 | |
| 235 | GLenum Framebuffer::completeness(int &width, int &height, int &samples) |
| 236 | { |
| 237 | width = -1; |
| 238 | height = -1; |
| 239 | samples = -1; |
| 240 | |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 241 | if(mColorbufferType != GL_NONE_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 242 | { |
| 243 | Renderbuffer *colorbuffer = getColorbuffer(); |
| 244 | |
| 245 | if(!colorbuffer) |
| 246 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 247 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | if(colorbuffer->getWidth() == 0 || colorbuffer->getHeight() == 0) |
| 251 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 252 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 253 | } |
| 254 | |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 255 | if(mColorbufferType == GL_RENDERBUFFER_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 256 | { |
Nicolas Capens | 69920ad | 2016-04-14 14:53:24 -0400 | [diff] [blame] | 257 | if(!IsColorRenderable(colorbuffer->getFormat())) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 258 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 259 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 260 | } |
| 261 | } |
| 262 | else if(IsTextureTarget(mColorbufferType)) |
| 263 | { |
| 264 | GLenum format = colorbuffer->getFormat(); |
| 265 | |
Nicolas Capens | 69920ad | 2016-04-14 14:53:24 -0400 | [diff] [blame] | 266 | if(!IsColorRenderable(format)) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 267 | { |
Nicolas Capens | 69920ad | 2016-04-14 14:53:24 -0400 | [diff] [blame] | 268 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 269 | } |
| 270 | |
Nicolas Capens | 69920ad | 2016-04-14 14:53:24 -0400 | [diff] [blame] | 271 | if(IsDepthTexture(format) || IsStencilTexture(format)) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 272 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 273 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 274 | } |
| 275 | } |
| 276 | else |
| 277 | { |
Nicolas Capens | 3713cd4 | 2015-06-22 10:41:54 -0400 | [diff] [blame] | 278 | UNREACHABLE(mColorbufferType); |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 279 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 280 | } |
| 281 | |
| 282 | width = colorbuffer->getWidth(); |
| 283 | height = colorbuffer->getHeight(); |
| 284 | samples = colorbuffer->getSamples(); |
| 285 | } |
| 286 | |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 287 | Renderbuffer *depthbuffer = nullptr; |
| 288 | Renderbuffer *stencilbuffer = nullptr; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 289 | |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 290 | if(mDepthbufferType != GL_NONE_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 291 | { |
| 292 | depthbuffer = getDepthbuffer(); |
| 293 | |
| 294 | if(!depthbuffer) |
| 295 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 296 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | if(depthbuffer->getWidth() == 0 || depthbuffer->getHeight() == 0) |
| 300 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 301 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 302 | } |
| 303 | |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 304 | if(mDepthbufferType == GL_RENDERBUFFER_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 305 | { |
Nicolas Capens | 14ee762 | 2014-10-28 23:48:41 -0400 | [diff] [blame] | 306 | if(!es1::IsDepthRenderable(depthbuffer->getFormat())) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 307 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 308 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 309 | } |
| 310 | } |
| 311 | else if(IsTextureTarget(mDepthbufferType)) |
| 312 | { |
Nicolas Capens | 14ee762 | 2014-10-28 23:48:41 -0400 | [diff] [blame] | 313 | if(!es1::IsDepthTexture(depthbuffer->getFormat())) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 314 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 315 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 316 | } |
| 317 | } |
| 318 | else |
| 319 | { |
Nicolas Capens | 3713cd4 | 2015-06-22 10:41:54 -0400 | [diff] [blame] | 320 | UNREACHABLE(mDepthbufferType); |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 321 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 322 | } |
| 323 | |
| 324 | if(width == -1 || height == -1) |
| 325 | { |
| 326 | width = depthbuffer->getWidth(); |
| 327 | height = depthbuffer->getHeight(); |
| 328 | samples = depthbuffer->getSamples(); |
| 329 | } |
| 330 | else if(width != depthbuffer->getWidth() || height != depthbuffer->getHeight()) |
| 331 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 332 | return GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 333 | } |
| 334 | else if(samples != depthbuffer->getSamples()) |
| 335 | { |
Nicolas Capens | 3713cd4 | 2015-06-22 10:41:54 -0400 | [diff] [blame] | 336 | UNREACHABLE(0); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 337 | } |
| 338 | } |
| 339 | |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 340 | if(mStencilbufferType != GL_NONE_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 341 | { |
| 342 | stencilbuffer = getStencilbuffer(); |
| 343 | |
| 344 | if(!stencilbuffer) |
| 345 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 346 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | if(stencilbuffer->getWidth() == 0 || stencilbuffer->getHeight() == 0) |
| 350 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 351 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 352 | } |
| 353 | |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 354 | if(mStencilbufferType == GL_RENDERBUFFER_OES) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 355 | { |
Nicolas Capens | 14ee762 | 2014-10-28 23:48:41 -0400 | [diff] [blame] | 356 | if(!es1::IsStencilRenderable(stencilbuffer->getFormat())) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 357 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 358 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 359 | } |
| 360 | } |
| 361 | else if(IsTextureTarget(mStencilbufferType)) |
| 362 | { |
| 363 | GLenum internalformat = stencilbuffer->getFormat(); |
| 364 | |
Nicolas Capens | 14ee762 | 2014-10-28 23:48:41 -0400 | [diff] [blame] | 365 | if(!es1::IsStencilTexture(internalformat)) |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 366 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 367 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 368 | } |
| 369 | } |
| 370 | else |
| 371 | { |
Nicolas Capens | 3713cd4 | 2015-06-22 10:41:54 -0400 | [diff] [blame] | 372 | UNREACHABLE(mStencilbufferType); |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 373 | return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | if(width == -1 || height == -1) |
| 377 | { |
| 378 | width = stencilbuffer->getWidth(); |
| 379 | height = stencilbuffer->getHeight(); |
| 380 | samples = stencilbuffer->getSamples(); |
| 381 | } |
| 382 | else if(width != stencilbuffer->getWidth() || height != stencilbuffer->getHeight()) |
| 383 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 384 | return GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 385 | } |
| 386 | else if(samples != stencilbuffer->getSamples()) |
| 387 | { |
Nicolas Capens | 3713cd4 | 2015-06-22 10:41:54 -0400 | [diff] [blame] | 388 | UNREACHABLE(0); |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 389 | return GL_FRAMEBUFFER_UNSUPPORTED_OES; // GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 390 | } |
| 391 | } |
| 392 | |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 393 | // We need to have at least one attachment to be complete |
| 394 | if(width == -1 || height == -1) |
| 395 | { |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 396 | return GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 397 | } |
| 398 | |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 399 | return GL_FRAMEBUFFER_COMPLETE_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 400 | } |
| 401 | |
Nicolas Capens | cc863da | 2015-01-21 15:50:55 -0500 | [diff] [blame] | 402 | GLenum Framebuffer::getImplementationColorReadFormat() |
| 403 | { |
Nicolas Capens | d7d9b4b | 2015-01-29 23:46:44 -0500 | [diff] [blame] | 404 | Renderbuffer *colorbuffer = mColorbufferPointer; |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 405 | |
Nicolas Capens | cc863da | 2015-01-21 15:50:55 -0500 | [diff] [blame] | 406 | if(colorbuffer) |
| 407 | { |
Nicolas Capens | 3b4a25c | 2018-02-22 20:14:07 -0500 | [diff] [blame] | 408 | switch(colorbuffer->getFormat()) |
Nicolas Capens | cc863da | 2015-01-21 15:50:55 -0500 | [diff] [blame] | 409 | { |
Nicolas Capens | 3b4a25c | 2018-02-22 20:14:07 -0500 | [diff] [blame] | 410 | case GL_BGRA8_EXT: return GL_BGRA_EXT; |
| 411 | case GL_RGBA4_OES: return GL_RGBA; |
| 412 | case GL_RGB5_A1_OES: return GL_RGBA; |
| 413 | case GL_RGBA8_OES: return GL_RGBA; |
| 414 | case GL_RGB565_OES: return GL_RGBA; |
| 415 | case GL_RGB8_OES: return GL_RGB; |
Nicolas Capens | cc863da | 2015-01-21 15:50:55 -0500 | [diff] [blame] | 416 | default: |
Nicolas Capens | 3b4a25c | 2018-02-22 20:14:07 -0500 | [diff] [blame] | 417 | UNREACHABLE(colorbuffer->getFormat()); |
Nicolas Capens | cc863da | 2015-01-21 15:50:55 -0500 | [diff] [blame] | 418 | } |
| 419 | } |
| 420 | |
| 421 | return GL_RGBA; |
| 422 | } |
| 423 | |
Nicolas Capens | dddc4ab | 2015-01-13 15:49:15 -0500 | [diff] [blame] | 424 | GLenum Framebuffer::getImplementationColorReadType() |
| 425 | { |
Nicolas Capens | d7d9b4b | 2015-01-29 23:46:44 -0500 | [diff] [blame] | 426 | Renderbuffer *colorbuffer = mColorbufferPointer; |
Nicolas Capens | 9240dac | 2016-03-22 10:44:57 -0400 | [diff] [blame] | 427 | |
Nicolas Capens | cc863da | 2015-01-21 15:50:55 -0500 | [diff] [blame] | 428 | if(colorbuffer) |
| 429 | { |
Nicolas Capens | 3b4a25c | 2018-02-22 20:14:07 -0500 | [diff] [blame] | 430 | switch(colorbuffer->getFormat()) |
Nicolas Capens | cc863da | 2015-01-21 15:50:55 -0500 | [diff] [blame] | 431 | { |
Nicolas Capens | 3b4a25c | 2018-02-22 20:14:07 -0500 | [diff] [blame] | 432 | case GL_BGRA8_EXT: return GL_UNSIGNED_BYTE; |
| 433 | case GL_RGBA4_OES: return GL_UNSIGNED_SHORT_4_4_4_4; |
| 434 | case GL_RGB5_A1_OES: return GL_UNSIGNED_SHORT_5_5_5_1; |
| 435 | case GL_RGBA8_OES: return GL_UNSIGNED_BYTE; |
| 436 | case GL_RGB565_OES: return GL_UNSIGNED_SHORT_5_6_5; |
| 437 | case GL_RGB8_OES: return GL_UNSIGNED_BYTE; |
Nicolas Capens | cc863da | 2015-01-21 15:50:55 -0500 | [diff] [blame] | 438 | default: |
Nicolas Capens | 3b4a25c | 2018-02-22 20:14:07 -0500 | [diff] [blame] | 439 | UNREACHABLE(colorbuffer->getFormat()); |
Nicolas Capens | cc863da | 2015-01-21 15:50:55 -0500 | [diff] [blame] | 440 | } |
Nicolas Capens | 9703d1a | 2015-01-14 15:55:33 -0500 | [diff] [blame] | 441 | } |
| 442 | |
| 443 | return GL_UNSIGNED_BYTE; |
Nicolas Capens | dddc4ab | 2015-01-13 15:49:15 -0500 | [diff] [blame] | 444 | } |
| 445 | |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 446 | DefaultFramebuffer::DefaultFramebuffer(Colorbuffer *colorbuffer, DepthStencilbuffer *depthStencil) |
| 447 | { |
Nicolas Capens | d7d9b4b | 2015-01-29 23:46:44 -0500 | [diff] [blame] | 448 | mColorbufferPointer = new Renderbuffer(0, colorbuffer); |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 449 | |
| 450 | Renderbuffer *depthStencilRenderbuffer = new Renderbuffer(0, depthStencil); |
Nicolas Capens | d7d9b4b | 2015-01-29 23:46:44 -0500 | [diff] [blame] | 451 | mDepthbufferPointer = depthStencilRenderbuffer; |
| 452 | mStencilbufferPointer = depthStencilRenderbuffer; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 453 | |
Nicolas Capens | 1115782 | 2014-10-23 23:00:29 -0400 | [diff] [blame] | 454 | mColorbufferType = GL_RENDERBUFFER_OES; |
| 455 | mDepthbufferType = (depthStencilRenderbuffer->getDepthSize() != 0) ? GL_RENDERBUFFER_OES : GL_NONE_OES; |
| 456 | mStencilbufferType = (depthStencilRenderbuffer->getStencilSize() != 0) ? GL_RENDERBUFFER_OES : GL_NONE_OES; |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 457 | } |
| 458 | |
Nicolas Capens | dbf6fc8 | 2014-10-23 13:33:20 -0400 | [diff] [blame] | 459 | } |