Differential D18683 Diff 50742 libkwineffects/kwinglplatform.h

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libkwineffects/kwinglplatform.h

Show All 36 Lines36{
37 return ((major & 0xffff) << 32) | ((minor & 0xffff) << 16) | (patch & 0xffff); 37​ return ((major & 0xffff) << 32) | ((minor & 0xffff) << 16) | (patch & 0xffff);
38} 38​}
39 39​
40enum GLFeature { 40​enum GLFeature {
41 /** 41​ /**
42 * Set when a texture bound to a pixmap uses the same storage as the pixmap, 42​ * Set when a texture bound to a pixmap uses the same storage as the pixmap,
43 * and thus doesn't need to be rebound when the contents of the pixmap 43​ * and thus doesn't need to be rebound when the contents of the pixmap
44 * has changed. 44​ * has changed.
45 */ 45​ **/
46 LooseBinding, 46​ LooseBinding,
47 47​
48 /** 48​ /**
49 * Set if the driver supports the following extensions: 49​ * Set if the driver supports the following extensions:
50 * - GL_ARB_shader_objects 50​ * - GL_ARB_shader_objects
51 * - GL_ARB_fragment_shader 51​ * - GL_ARB_fragment_shader
52 * - GL_ARB_vertex_shader 52​ * - GL_ARB_vertex_shader
53 * - GL_ARB_shading_language_100 53​ * - GL_ARB_shading_language_100
54 */ 54​ **/
55 GLSL, 55​ GLSL,
56 56​
57 /** 57​ /**
58 * If set, assume the following: 58​ * If set, assume the following:
59 * - No flow control or branches 59​ * - No flow control or branches
60 * - No loops, unless the loops have a fixed iteration count and can be unrolled 60​ * - No loops, unless the loops have a fixed iteration count and can be unrolled
61 * - No functions, unless they can be inlined 61​ * - No functions, unless they can be inlined
62 * - No indirect indexing of arrays 62​ * - No indirect indexing of arrays
63 * - No support for gl_ClipVertex or gl_FrontFacing 63​ * - No support for gl_ClipVertex or gl_FrontFacing
64 * - No texture fetches in vertex shaders 64​ * - No texture fetches in vertex shaders
65 * - Max 32 texture fetches in fragment shaders 65​ * - Max 32 texture fetches in fragment shaders
66 * - Max 4 texture indirections 66​ * - Max 4 texture indirections
67 */ 67​ **/
68 LimitedGLSL, 68​ LimitedGLSL,
69 69​
70 /** 70​ /**
71 * Set when the driver supports GL_ARB_texture_non_power_of_two. 71​ * Set when the driver supports GL_ARB_texture_non_power_of_two.
72 */ 72​ **/
73 TextureNPOT, 73​ TextureNPOT,
74 74​
75 /** 75​ /**
76 * If set, the driver supports GL_ARB_texture_non_power_of_two with the 76​ * If set, the driver supports GL_ARB_texture_non_power_of_two with the
77 * GL_ARB_texture_rectangle limitations. 77​ * GL_ARB_texture_rectangle limitations.
78 * 78​ *
79 * This means no support for mipmap filters, and that only the following 79​ * This means no support for mipmap filters, and that only the following
80 * wrap modes are supported: 80​ * wrap modes are supported:
81 * - GL_CLAMP 81​ * - GL_CLAMP
82 * - GL_CLAMP_TO_EDGE 82​ * - GL_CLAMP_TO_EDGE
83 * - GL_CLAMP_TO_BORDER 83​ * - GL_CLAMP_TO_BORDER
84 */ 84​ **/
85 LimitedNPOT 85​ LimitedNPOT
86}; 86​};
87 87​
88enum Driver { 88​enum Driver {
89 Driver_R100, // Technically "Radeon" 89​ Driver_R100, // Technically "Radeon"
90 Driver_R200, 90​ Driver_R200,
91 Driver_R300C, 91​ Driver_R300C,
92 Driver_R300G, 92​ Driver_R300G,
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157 157​
158class KWINGLUTILS_EXPORT GLPlatform 158​class KWINGLUTILS_EXPORT GLPlatform
159{ 159​{
160public: 160​public:
161 ~GLPlatform(); 161​ ~GLPlatform();
162 162​
163 /** 163​ /**
164 * Runs the detection code using the current OpenGL context. 164​ * Runs the detection code using the current OpenGL context.
165 */ 165​ **/
166 void detect(OpenGLPlatformInterface platformInterface); 166​ void detect(OpenGLPlatformInterface platformInterface);
167 167​
168 /** 168​ /**
169 * Prints the results of the detection code. 169​ * Prints the results of the detection code.
170 */ 170​ **/
171 void printResults() const; 171​ void printResults() const;
172 172​
173 /** 173​ /**
174 * Returns a pointer to the GLPlatform instance. 174​ * Returns a pointer to the GLPlatform instance.
175 */ 175​ **/
176 static GLPlatform *instance(); 176​ static GLPlatform *instance();
177 177​
178 /** 178​ /**
179 * Returns true if the driver support the given feature, and false otherwise. 179​ * Returns true if the driver support the given feature, and false otherwise.
180 */ 180​ **/
181 bool supports(GLFeature feature) const; 181​ bool supports(GLFeature feature) const;
182 182​
183 /** 183​ /**
184 * Returns the OpenGL version. 184​ * Returns the OpenGL version.
185 */ 185​ **/
186 qint64 glVersion() const; 186​ qint64 glVersion() const;
187 187​
188 /** 188​ /**
189 * Returns the GLSL version if the driver supports GLSL, and 0 otherwise. 189​ * Returns the GLSL version if the driver supports GLSL, and 0 otherwise.
190 */ 190​ **/
191 qint64 glslVersion() const; 191​ qint64 glslVersion() const;
192 192​
193 /** 193​ /**
194 * Returns the Mesa version if the driver is a Mesa driver, and 0 otherwise. 194​ * Returns the Mesa version if the driver is a Mesa driver, and 0 otherwise.
195 */ 195​ **/
196 qint64 mesaVersion() const; 196​ qint64 mesaVersion() const;
197 197​
198 /** 198​ /**
199 * Returns the Gallium version if the driver is a Gallium driver, and 0 otherwise. 199​ * Returns the Gallium version if the driver is a Gallium driver, and 0 otherwise.
200 */ 200​ **/
201 qint64 galliumVersion() const; 201​ qint64 galliumVersion() const;
202 202​
203 /** 203​ /**
204 * Returns the X server version. 204​ * Returns the X server version.
205 * 205​ *
206 * Note that the version number changed from 7.2 to 1.3 in the first release 206​ * Note that the version number changed from 7.2 to 1.3 in the first release
207 * following the doupling of the X server from the katamari. 207​ * following the doupling of the X server from the katamari.
208 * 208​ *
209 * For non X.org servers, this method returns 0. 209​ * For non X.org servers, this method returns 0.
210 */ 210​ **/
211 qint64 serverVersion() const; 211​ qint64 serverVersion() const;
212 212​
213 /** 213​ /**
214 * Returns the Linux kernel version. 214​ * Returns the Linux kernel version.
215 * 215​ *
216 * If the kernel is not a Linux kernel, this method returns 0. 216​ * If the kernel is not a Linux kernel, this method returns 0.
217 */ 217​ **/
218 qint64 kernelVersion() const; 218​ qint64 kernelVersion() const;
219 219​
220 /** 220​ /**
221 * Returns the driver version. 221​ * Returns the driver version.
222 * 222​ *
223 * For Mesa drivers, this is the same as the Mesa version number. 223​ * For Mesa drivers, this is the same as the Mesa version number.
224 */ 224​ **/
225 qint64 driverVersion() const; 225​ qint64 driverVersion() const;
226 226​
227 /** 227​ /**
228 * Returns the driver. 228​ * Returns the driver.
229 */ 229​ **/
230 Driver driver() const; 230​ Driver driver() const;
231 231​
232 /** 232​ /**
233 * Returns the chip class. 233​ * Returns the chip class.
234 */ 234​ **/
235 ChipClass chipClass() const; 235​ ChipClass chipClass() const;
236 236​
237 /** 237​ /**
238 * Returns true if the driver is a Mesa driver, and false otherwise. 238​ * Returns true if the driver is a Mesa driver, and false otherwise.
239 */ 239​ **/
240 bool isMesaDriver() const; 240​ bool isMesaDriver() const;
241 241​
242 /** 242​ /**
243 * Returns true if the driver is a Gallium driver, and false otherwise. 243​ * Returns true if the driver is a Gallium driver, and false otherwise.
244 */ 244​ **/
245 bool isGalliumDriver() const; 245​ bool isGalliumDriver() const;
246 246​
247 /** 247​ /**
248 * Returns true if the GPU is a Radeon GPU, and false otherwise. 248​ * Returns true if the GPU is a Radeon GPU, and false otherwise.
249 */ 249​ **/
250 bool isRadeon() const; 250​ bool isRadeon() const;
251 251​
252 /** 252​ /**
253 * Returns true if the GPU is an NVIDIA GPU, and false otherwise. 253​ * Returns true if the GPU is an NVIDIA GPU, and false otherwise.
254 */ 254​ **/
255 bool isNvidia() const; 255​ bool isNvidia() const;
256 256​
257 /** 257​ /**
258 * Returns true if the GPU is an Intel GPU, and false otherwise. 258​ * Returns true if the GPU is an Intel GPU, and false otherwise.
259 */ 259​ **/
260 bool isIntel() const; 260​ bool isIntel() const;
261 261​
262 /** 262​ /**
263 * @returns @c true if the "GPU" is a VirtualBox GPU, and @c false otherwise. 263​ * @returns @c true if the "GPU" is a VirtualBox GPU, and @c false otherwise.
264 * @since 4.10 264​ * @since 4.10
265 **/ 265​ **/
266 bool isVirtualBox() const; 266​ bool isVirtualBox() const;
267 267​
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312 const QByteArray &glShadingLanguageVersionString() const; 312​ const QByteArray &glShadingLanguageVersionString() const;
313 /** 313​ /**
314 * @returns Whether the driver supports loose texture binding. 314​ * @returns Whether the driver supports loose texture binding.
315 * @since 4.9 315​ * @since 4.9
316 **/ 316​ **/
317 bool isLooseBinding() const; 317​ bool isLooseBinding() const;
318 /** 318​ /**
319 * @returns Whether OpenGL ES is used 319​ * @returns Whether OpenGL ES is used
320 */ 320​ **/
321 bool isGLES() const; 321​ bool isGLES() const;
322 322​
323 /** 323​ /**
324 * @returns The CompositingType recommended by the driver. 324​ * @returns The CompositingType recommended by the driver.
325 * @since 4.10 325​ * @since 4.10
326 **/ 326​ **/
327 CompositingType recommendedCompositor() const; 327​ CompositingType recommendedCompositor() const;
328 328​
329 /** 329​ /**
330 * Returns true if glMapBufferRange() is likely to perform worse than glBufferSubData() 330​ * Returns true if glMapBufferRange() is likely to perform worse than glBufferSubData()
331 * when updating an unused range of a buffer object, and false otherwise. 331​ * when updating an unused range of a buffer object, and false otherwise.
332 * 332​ *
333 * @since 4.11 333​ * @since 4.11
334 */ 334​ **/
335 bool preferBufferSubData() const; 335​ bool preferBufferSubData() const;
336 336​
337 /** 337​ /**
338 * @returns The OpenGLPlatformInterface currently used 338​ * @returns The OpenGLPlatformInterface currently used
339 * @since 5.0 339​ * @since 5.0
340 **/ 340​ **/
341 OpenGLPlatformInterface platformInterface() const; 341​ OpenGLPlatformInterface platformInterface() const;
342 342​
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