OpenGLRenderer.h revision ddf74373616c89e0880a28a2185fd7ce3db91de6 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_HWUI_OPENGL_RENDERER_H
18#define ANDROID_HWUI_OPENGL_RENDERER_H
19
20#include <GLES2/gl2.h>
21#include <GLES2/gl2ext.h>
22
23#include <SkBitmap.h>
24#include <SkMatrix.h>
25#include <SkPaint.h>
26#include <SkRegion.h>
27#include <SkShader.h>
28#include <SkXfermode.h>
29
30#include <utils/Functor.h>
31#include <utils/RefBase.h>
32#include <utils/SortedVector.h>
33#include <utils/Vector.h>
34
35#include <cutils/compiler.h>
36
37#include "Debug.h"
38#include "Extensions.h"
39#include "Matrix.h"
40#include "Program.h"
41#include "Rect.h"
42#include "Snapshot.h"
43#include "Vertex.h"
44#include "SkiaShader.h"
45#include "SkiaColorFilter.h"
46#include "Caches.h"
47
48namespace android {
49namespace uirenderer {
50
51///////////////////////////////////////////////////////////////////////////////
52// Renderer
53///////////////////////////////////////////////////////////////////////////////
54
55class DisplayList;
56
57/**
58 * OpenGL renderer used to draw accelerated 2D graphics. The API is a
59 * simplified version of Skia's Canvas API.
60 */
61class OpenGLRenderer {
62public:
63    ANDROID_API OpenGLRenderer();
64    virtual ~OpenGLRenderer();
65
66    virtual bool isDeferred();
67
68    virtual void setViewport(int width, int height);
69
70    ANDROID_API void prepare(bool opaque);
71    virtual void prepareDirty(float left, float top, float right, float bottom, bool opaque);
72    virtual void finish();
73
74    // These two calls must not be recorded in display lists
75    virtual void interrupt();
76    virtual void resume();
77
78    ANDROID_API status_t invokeFunctors(Rect& dirty);
79    ANDROID_API void detachFunctor(Functor* functor);
80    ANDROID_API void attachFunctor(Functor* functor);
81    virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty);
82
83    ANDROID_API int getSaveCount() const;
84    virtual int save(int flags);
85    virtual void restore();
86    virtual void restoreToCount(int saveCount);
87
88    virtual int saveLayer(float left, float top, float right, float bottom,
89            SkPaint* p, int flags);
90    virtual int saveLayerAlpha(float left, float top, float right, float bottom,
91            int alpha, int flags);
92
93    void setAlpha(float alpha) {
94        mSnapshot->alpha = alpha;
95    }
96
97    virtual void translate(float dx, float dy);
98    virtual void rotate(float degrees);
99    virtual void scale(float sx, float sy);
100    virtual void skew(float sx, float sy);
101
102    ANDROID_API void getMatrix(SkMatrix* matrix);
103    virtual void setMatrix(SkMatrix* matrix);
104    virtual void concatMatrix(SkMatrix* matrix);
105
106    ANDROID_API const Rect& getClipBounds();
107    ANDROID_API bool quickReject(float left, float top, float right, float bottom);
108    virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op);
109    virtual Rect* getClipRect();
110
111    virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t flags,
112            uint32_t level = 0);
113    virtual void outputDisplayList(DisplayList* displayList, uint32_t level = 0);
114    virtual void drawLayer(Layer* layer, float x, float y, SkPaint* paint);
115    virtual void drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint);
116    virtual void drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint);
117    virtual void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop,
118            float srcRight, float srcBottom, float dstLeft, float dstTop,
119            float dstRight, float dstBottom, SkPaint* paint);
120    virtual void drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint);
121    virtual void drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight,
122            float* vertices, int* colors, SkPaint* paint);
123    virtual void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs,
124            const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors,
125            float left, float top, float right, float bottom, SkPaint* paint);
126    virtual void drawColor(int color, SkXfermode::Mode mode);
127    virtual void drawRect(float left, float top, float right, float bottom, SkPaint* paint);
128    virtual void drawRoundRect(float left, float top, float right, float bottom,
129            float rx, float ry, SkPaint* paint);
130    virtual void drawCircle(float x, float y, float radius, SkPaint* paint);
131    virtual void drawOval(float left, float top, float right, float bottom, SkPaint* paint);
132    virtual void drawArc(float left, float top, float right, float bottom,
133            float startAngle, float sweepAngle, bool useCenter, SkPaint* paint);
134    virtual void drawPath(SkPath* path, SkPaint* paint);
135    virtual void drawLines(float* points, int count, SkPaint* paint);
136    virtual void drawPoints(float* points, int count, SkPaint* paint);
137    virtual void drawText(const char* text, int bytesCount, int count, float x, float y,
138            SkPaint* paint, float length = -1.0f);
139    virtual void drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path,
140            float hOffset, float vOffset, SkPaint* paint);
141    virtual void drawPosText(const char* text, int bytesCount, int count,
142            const float* positions, SkPaint* paint);
143
144    virtual void resetShader();
145    virtual void setupShader(SkiaShader* shader);
146
147    virtual void resetColorFilter();
148    virtual void setupColorFilter(SkiaColorFilter* filter);
149
150    virtual void resetShadow();
151    virtual void setupShadow(float radius, float dx, float dy, int color);
152
153    virtual void resetPaintFilter();
154    virtual void setupPaintFilter(int clearBits, int setBits);
155
156    SkPaint* filterPaint(SkPaint* paint);
157
158    ANDROID_API static uint32_t getStencilSize();
159
160    void startMark(const char* name) const;
161    void endMark() const;
162
163protected:
164    /**
165     * Compose the layer defined in the current snapshot with the layer
166     * defined by the previous snapshot.
167     *
168     * The current snapshot *must* be a layer (flag kFlagIsLayer set.)
169     *
170     * @param curent The current snapshot containing the layer to compose
171     * @param previous The previous snapshot to compose the current layer with
172     */
173    virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous);
174
175    /**
176     * Marks the specified region as dirty at the specified bounds.
177     */
178    void dirtyLayerUnchecked(Rect& bounds, Region* region);
179
180    /**
181     * Returns the current snapshot.
182     */
183    sp<Snapshot> getSnapshot() {
184        return mSnapshot;
185    }
186
187    /**
188     * Returns the region of the current layer.
189     */
190    virtual Region* getRegion() {
191        return mSnapshot->region;
192    }
193
194    /**
195     * Indicates whether rendering is currently targeted at a layer.
196     */
197    virtual bool hasLayer() {
198        return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region;
199    }
200
201    /**
202     * Returns the name of the FBO this renderer is rendering into.
203     */
204    virtual GLint getTargetFbo() {
205        return 0;
206    }
207
208    /**
209     * Renders the specified layer as a textured quad.
210     *
211     * @param layer The layer to render
212     * @param rect The bounds of the layer
213     */
214    void drawTextureLayer(Layer* layer, const Rect& rect);
215
216private:
217    /**
218     * Ensures the state of the renderer is the same as the state of
219     * the GL context.
220     */
221    void syncState();
222
223    /**
224     * Saves the current state of the renderer as a new snapshot.
225     * The new snapshot is saved in mSnapshot and the previous snapshot
226     * is linked from mSnapshot->previous.
227     *
228     * @param flags The save flags; see SkCanvas for more information
229     *
230     * @return The new save count. This value can be passed to #restoreToCount()
231     */
232    int saveSnapshot(int flags);
233
234    /**
235     * Restores the current snapshot; mSnapshot becomes mSnapshot->previous.
236     *
237     * @return True if the clip was modified.
238     */
239    bool restoreSnapshot();
240
241    /**
242     * Sets the clipping rectangle using glScissor. The clip is defined by
243     * the current snapshot's clipRect member.
244     */
245    void setScissorFromClip();
246
247    /**
248     * Creates a new layer stored in the specified snapshot.
249     *
250     * @param snapshot The snapshot associated with the new layer
251     * @param left The left coordinate of the layer
252     * @param top The top coordinate of the layer
253     * @param right The right coordinate of the layer
254     * @param bottom The bottom coordinate of the layer
255     * @param alpha The translucency of the layer
256     * @param mode The blending mode of the layer
257     * @param flags The layer save flags
258     * @param previousFbo The name of the current framebuffer
259     *
260     * @return True if the layer was successfully created, false otherwise
261     */
262    bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom,
263            int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo);
264
265    /**
266     * Creates a new layer stored in the specified snapshot as an FBO.
267     *
268     * @param layer The layer to store as an FBO
269     * @param snapshot The snapshot associated with the new layer
270     * @param bounds The bounds of the layer
271     * @param previousFbo The name of the current framebuffer
272     */
273    bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot,
274            GLuint previousFbo);
275
276    /**
277     * Compose the specified layer as a region.
278     *
279     * @param layer The layer to compose
280     * @param rect The layer's bounds
281     */
282    void composeLayerRegion(Layer* layer, const Rect& rect);
283
284    /**
285     * Compose the specified layer as a simple rectangle.
286     *
287     * @param layer The layer to compose
288     * @param rect The layer's bounds
289     * @param swap If true, the source and destination are swapped
290     */
291    void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false);
292
293    /**
294     * Clears all the regions corresponding to the current list of layers.
295     * This method MUST be invoked before any drawing operation.
296     */
297    void clearLayerRegions();
298
299    /**
300     * Mark the layer as dirty at the specified coordinates. The coordinates
301     * are transformed with the supplied matrix.
302     */
303    void dirtyLayer(const float left, const float top,
304            const float right, const float bottom, const mat4 transform);
305
306    /**
307     * Mark the layer as dirty at the specified coordinates.
308     */
309    void dirtyLayer(const float left, const float top,
310            const float right, const float bottom);
311
312    /**
313     * Draws a colored rectangle with the specified color. The specified coordinates
314     * are transformed by the current snapshot's transform matrix.
315     *
316     * @param left The left coordinate of the rectangle
317     * @param top The top coordinate of the rectangle
318     * @param right The right coordinate of the rectangle
319     * @param bottom The bottom coordinate of the rectangle
320     * @param color The rectangle's ARGB color, defined as a packed 32 bits word
321     * @param mode The Skia xfermode to use
322     * @param ignoreTransform True if the current transform should be ignored
323     * @param ignoreBlending True if the blending is set by the caller
324     */
325    void drawColorRect(float left, float top, float right, float bottom,
326            int color, SkXfermode::Mode mode, bool ignoreTransform = false);
327
328    /**
329     * Draws the shape represented by the specified path texture.
330     * This method invokes drawPathTexture() but takes into account
331     * the extra left/top offset and the texture offset to correctly
332     * position the final shape.
333     *
334     * @param left The left coordinate of the shape to render
335     * @param top The top coordinate of the shape to render
336     * @param texture The texture reprsenting the shape
337     * @param paint The paint to draw the shape with
338     */
339    void drawShape(float left, float top, const PathTexture* texture, SkPaint* paint);
340
341    /**
342     * Renders the rect defined by the specified bounds as a shape.
343     * This will render the rect using a path texture, which is used to render
344     * rects with stroke effects.
345     *
346     * @param left The left coordinate of the rect to draw
347     * @param top The top coordinate of the rect to draw
348     * @param right The right coordinate of the rect to draw
349     * @param bottom The bottom coordinate of the rect to draw
350     * @param p The paint to draw the rect with
351     */
352    void drawRectAsShape(float left, float top, float right, float bottom, SkPaint* p);
353
354    /**
355     * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey
356     * different compositing rules.
357     *
358     * @param texture The texture to draw with
359     * @param left The x coordinate of the bitmap
360     * @param top The y coordinate of the bitmap
361     * @param paint The paint to render with
362     */
363    void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint);
364
365    /**
366     * Renders the rect defined by the specified bounds as an anti-aliased rect.
367     *
368     * @param left The left coordinate of the rect to draw
369     * @param top The top coordinate of the rect to draw
370     * @param right The right coordinate of the rect to draw
371     * @param bottom The bottom coordinate of the rect to draw
372     * @param color The color of the rect
373     * @param mode The blending mode to draw the rect
374     */
375    void drawAARect(float left, float top, float right, float bottom,
376            int color, SkXfermode::Mode mode);
377
378    /**
379     * Draws a textured rectangle with the specified texture. The specified coordinates
380     * are transformed by the current snapshot's transform matrix.
381     *
382     * @param left The left coordinate of the rectangle
383     * @param top The top coordinate of the rectangle
384     * @param right The right coordinate of the rectangle
385     * @param bottom The bottom coordinate of the rectangle
386     * @param texture The texture name to map onto the rectangle
387     * @param alpha An additional translucency parameter, between 0.0f and 1.0f
388     * @param mode The blending mode
389     * @param blend True if the texture contains an alpha channel
390     */
391    void drawTextureRect(float left, float top, float right, float bottom, GLuint texture,
392            float alpha, SkXfermode::Mode mode, bool blend);
393
394    /**
395     * Draws a textured rectangle with the specified texture. The specified coordinates
396     * are transformed by the current snapshot's transform matrix.
397     *
398     * @param left The left coordinate of the rectangle
399     * @param top The top coordinate of the rectangle
400     * @param right The right coordinate of the rectangle
401     * @param bottom The bottom coordinate of the rectangle
402     * @param texture The texture to use
403     * @param paint The paint containing the alpha, blending mode, etc.
404     */
405    void drawTextureRect(float left, float top, float right, float bottom,
406            Texture* texture, SkPaint* paint);
407
408    /**
409     * Draws a textured mesh with the specified texture. If the indices are omitted,
410     * the mesh is drawn as a simple quad. The mesh pointers become offsets when a
411     * VBO is bound.
412     *
413     * @param left The left coordinate of the rectangle
414     * @param top The top coordinate of the rectangle
415     * @param right The right coordinate of the rectangle
416     * @param bottom The bottom coordinate of the rectangle
417     * @param texture The texture name to map onto the rectangle
418     * @param alpha An additional translucency parameter, between 0.0f and 1.0f
419     * @param mode The blending mode
420     * @param blend True if the texture contains an alpha channel
421     * @param vertices The vertices that define the mesh
422     * @param texCoords The texture coordinates of each vertex
423     * @param elementsCount The number of elements in the mesh, required by indices
424     * @param swapSrcDst Whether or not the src and dst blending operations should be swapped
425     * @param ignoreTransform True if the current transform should be ignored
426     * @param vbo The VBO used to draw the mesh
427     * @param ignoreScale True if the model view matrix should not be scaled
428     * @param dirty True if calling this method should dirty the current layer
429     */
430    void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture,
431            float alpha, SkXfermode::Mode mode, bool blend,
432            GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount,
433            bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0,
434            bool ignoreScale = false, bool dirty = true);
435
436    /**
437     * Draws text underline and strike-through if needed.
438     *
439     * @param text The text to decor
440     * @param bytesCount The number of bytes in the text
441     * @param length The length in pixels of the text, can be <= 0.0f to force a measurement
442     * @param x The x coordinate where the text will be drawn
443     * @param y The y coordinate where the text will be drawn
444     * @param paint The paint to draw the text with
445     */
446    void drawTextDecorations(const char* text, int bytesCount, float length,
447            float x, float y, SkPaint* paint);
448
449    /**
450     * Draws a path texture. Path textures are alpha8 bitmaps that need special
451     * compositing to apply colors/filters/etc.
452     *
453     * @param texture The texture to render
454     * @param x The x coordinate where the texture will be drawn
455     * @param y The y coordinate where the texture will be drawn
456     * @param paint The paint to draw the texture with
457     */
458    void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint);
459
460    /**
461     * Resets the texture coordinates stored in mMeshVertices. Setting the values
462     * back to default is achieved by calling:
463     *
464     * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f);
465     *
466     * @param u1 The left coordinate of the texture
467     * @param v1 The bottom coordinate of the texture
468     * @param u2 The right coordinate of the texture
469     * @param v2 The top coordinate of the texture
470     */
471    void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2);
472
473    /**
474     * Gets the alpha and xfermode out of a paint object. If the paint is null
475     * alpha will be 255 and the xfermode will be SRC_OVER.
476     *
477     * @param paint The paint to extract values from
478     * @param alpha Where to store the resulting alpha
479     * @param mode Where to store the resulting xfermode
480     */
481    inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode);
482
483    /**
484     * Binds the specified texture. The texture unit must have been selected
485     * prior to calling this method.
486     */
487    inline void bindTexture(GLuint texture) {
488        glBindTexture(GL_TEXTURE_2D, texture);
489    }
490
491    /**
492     * Binds the specified EGLImage texture. The texture unit must have been selected
493     * prior to calling this method.
494     */
495    inline void bindExternalTexture(GLuint texture) {
496        glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture);
497    }
498
499    /**
500     * Enable or disable blending as necessary. This function sets the appropriate
501     * blend function based on the specified xfermode.
502     */
503    inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description,
504            bool swapSrcDst = false);
505
506    /**
507     * Safely retrieves the mode from the specified xfermode. If the specified
508     * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode.
509     */
510    inline SkXfermode::Mode getXfermode(SkXfermode* mode);
511
512    /**
513     * Use the specified program with the current GL context. If the program is already
514     * in use, it will not be bound again. If it is not in use, the current program is
515     * marked unused and the specified program becomes used and becomes the new
516     * current program.
517     *
518     * @param program The program to use
519     *
520     * @return true If the specified program was already in use, false otherwise.
521     */
522    inline bool useProgram(Program* program);
523
524    /**
525     * Invoked before any drawing operation. This sets required state.
526     */
527    void setupDraw(bool clear = true);
528    /**
529     * Various methods to setup OpenGL rendering.
530     */
531    void setupDrawWithTexture(bool isAlpha8 = false);
532    void setupDrawWithExternalTexture();
533    void setupDrawNoTexture();
534    void setupDrawAALine();
535    void setupDrawPoint(float pointSize);
536    void setupDrawColor(int color);
537    void setupDrawColor(int color, int alpha);
538    void setupDrawColor(float r, float g, float b, float a);
539    void setupDrawAlpha8Color(int color, int alpha);
540    void setupDrawAlpha8Color(float r, float g, float b, float a);
541    void setupDrawShader();
542    void setupDrawColorFilter();
543    void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode,
544            bool swapSrcDst = false);
545    void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode,
546            bool swapSrcDst = false);
547    void setupDrawProgram();
548    void setupDrawDirtyRegionsDisabled();
549    void setupDrawModelViewIdentity(bool offset = false);
550    void setupDrawModelView(float left, float top, float right, float bottom,
551            bool ignoreTransform = false, bool ignoreModelView = false);
552    void setupDrawModelViewTranslate(float left, float top, float right, float bottom,
553            bool ignoreTransform = false);
554    void setupDrawPointUniforms();
555    void setupDrawColorUniforms();
556    void setupDrawPureColorUniforms();
557    void setupDrawShaderIdentityUniforms();
558    void setupDrawShaderUniforms(bool ignoreTransform = false);
559    void setupDrawColorFilterUniforms();
560    void setupDrawSimpleMesh();
561    void setupDrawTexture(GLuint texture);
562    void setupDrawExternalTexture(GLuint texture);
563    void setupDrawTextureTransform();
564    void setupDrawTextureTransformUniforms(mat4& transform);
565    void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0);
566    void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords);
567    void setupDrawVertices(GLvoid* vertices);
568    void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords,
569            float strokeWidth, int& widthSlot, int& lengthSlot);
570    void finishDrawAALine(const int widthSlot, const int lengthSlot);
571    void finishDrawTexture();
572    void accountForClear(SkXfermode::Mode mode);
573
574    void drawRegionRects(const Region& region);
575
576    /**
577     * Should be invoked every time the glScissor is modified.
578     */
579    inline void dirtyClip() {
580        mDirtyClip = true;
581    }
582
583    // Dimensions of the drawing surface
584    int mWidth, mHeight;
585
586    // Matrix used for ortho projection in shaders
587    mat4 mOrthoMatrix;
588
589    // Model-view matrix used to position/size objects
590    mat4 mModelView;
591
592    // Number of saved states
593    int mSaveCount;
594    // Base state
595    sp<Snapshot> mFirstSnapshot;
596    // Current state
597    sp<Snapshot> mSnapshot;
598
599    // Shaders
600    SkiaShader* mShader;
601
602    // Color filters
603    SkiaColorFilter* mColorFilter;
604
605    // Used to draw textured quads
606    TextureVertex mMeshVertices[4];
607
608    // Drop shadow
609    bool mHasShadow;
610    float mShadowRadius;
611    float mShadowDx;
612    float mShadowDy;
613    int mShadowColor;
614
615    // Draw filters
616    bool mHasDrawFilter;
617    int mPaintFilterClearBits;
618    int mPaintFilterSetBits;
619    SkPaint mFilteredPaint;
620
621    // Various caches
622    Caches& mCaches;
623
624    // List of rectangles to clear after saveLayer() is invoked
625    Vector<Rect*> mLayers;
626    // List of functors to invoke after a frame is drawn
627    SortedVector<Functor*> mFunctors;
628
629    // Indentity matrix
630    const mat4 mIdentity;
631
632    // Indicates whether the clip must be restored
633    bool mDirtyClip;
634
635    // The following fields are used to setup drawing
636    // Used to describe the shaders to generate
637    ProgramDescription mDescription;
638    // Color description
639    bool mColorSet;
640    float mColorA, mColorR, mColorG, mColorB;
641    // Indicates that the shader should get a color
642    bool mSetShaderColor;
643    // Current texture unit
644    GLuint mTextureUnit;
645    // Track dirty regions, true by default
646    bool mTrackDirtyRegions;
647
648    friend class DisplayListRenderer;
649
650}; // class OpenGLRenderer
651
652}; // namespace uirenderer
653}; // namespace android
654
655#endif // ANDROID_HWUI_OPENGL_RENDERER_H
656