1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef FakeWebGraphicsContext3D_h
27#define FakeWebGraphicsContext3D_h
28
29#include "core/platform/graphics/GraphicsContext3D.h"
30#include "public/platform/WebGraphicsContext3D.h"
31
32namespace WebKit {
33
34// WebGraphicsContext3D base class for use in WebKit unit tests.
35// All operations are no-ops (returning 0 if necessary).
36class FakeWebGraphicsContext3D : public WebGraphicsContext3D {
37public:
38    FakeWebGraphicsContext3D()
39        : m_nextTextureId(1)
40    {
41    }
42
43    virtual bool makeContextCurrent() { return true; }
44
45    virtual int width() { return 0; }
46    virtual int height() { return 0; }
47
48    virtual void reshape(int width, int height) { }
49
50    virtual void prepareTexture() { }
51
52    virtual void postSubBufferCHROMIUM(int x, int y, int width, int height) { }
53
54    virtual void synthesizeGLError(WGC3Denum) { }
55
56    virtual bool isContextLost() { return false; }
57
58    virtual void* mapBufferSubDataCHROMIUM(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, WGC3Denum access) { return 0; }
59    virtual void unmapBufferSubDataCHROMIUM(const void*) { }
60    virtual void* mapTexSubImage2DCHROMIUM(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, WGC3Denum access) { return 0; }
61    virtual void unmapTexSubImage2DCHROMIUM(const void*) { }
62
63    virtual void setVisibilityCHROMIUM(bool visible) { }
64
65    virtual void discardFramebufferEXT(WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) { }
66    virtual void ensureFramebufferCHROMIUM() { }
67
68    virtual void setMemoryAllocationChangedCallbackCHROMIUM(WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback) { }
69
70    virtual WebString getRequestableExtensionsCHROMIUM() { return WebString(); }
71    virtual void requestExtensionCHROMIUM(const char*) { }
72
73    virtual void blitFramebufferCHROMIUM(WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, WGC3Dbitfield mask, WGC3Denum filter) { }
74    virtual void renderbufferStorageMultisampleCHROMIUM(WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) { }
75
76    virtual void activeTexture(WGC3Denum texture) { }
77    virtual void attachShader(WebGLId program, WebGLId shader) { }
78    virtual void bindAttribLocation(WebGLId program, WGC3Duint index, const WGC3Dchar* name) { }
79    virtual void bindBuffer(WGC3Denum target, WebGLId buffer) { }
80    virtual void bindFramebuffer(WGC3Denum target, WebGLId framebuffer) { }
81    virtual void bindRenderbuffer(WGC3Denum target, WebGLId renderbuffer) { }
82    virtual void bindTexture(WGC3Denum target, WebGLId texture) { }
83    virtual void blendColor(WGC3Dclampf red, WGC3Dclampf green, WGC3Dclampf blue, WGC3Dclampf alpha) { }
84    virtual void blendEquation(WGC3Denum mode) { }
85    virtual void blendEquationSeparate(WGC3Denum modeRGB, WGC3Denum modeAlpha) { }
86    virtual void blendFunc(WGC3Denum sfactor, WGC3Denum dfactor) { }
87    virtual void blendFuncSeparate(WGC3Denum srcRGB, WGC3Denum dstRGB, WGC3Denum srcAlpha, WGC3Denum dstAlpha) { }
88
89    virtual void bufferData(WGC3Denum target, WGC3Dsizeiptr size, const void* data, WGC3Denum usage) { }
90    virtual void bufferSubData(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, const void* data) { }
91
92    virtual WGC3Denum checkFramebufferStatus(WGC3Denum target)
93    {
94        return WebCore::GraphicsContext3D::FRAMEBUFFER_COMPLETE;
95    }
96
97    virtual void clear(WGC3Dbitfield mask) { }
98    virtual void clearColor(WGC3Dclampf red, WGC3Dclampf green, WGC3Dclampf blue, WGC3Dclampf alpha) { }
99    virtual void clearDepth(WGC3Dclampf depth) { }
100    virtual void clearStencil(WGC3Dint s) { }
101    virtual void colorMask(WGC3Dboolean red, WGC3Dboolean green, WGC3Dboolean blue, WGC3Dboolean alpha) { }
102    virtual void compileShader(WebGLId shader) { }
103
104    virtual void compressedTexImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Dsizei imageSize, const void* data) { }
105    virtual void compressedTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Dsizei imageSize, const void* data) { }
106    virtual void copyTexImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border) { }
107    virtual void copyTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) { }
108    virtual void cullFace(WGC3Denum mode) { }
109    virtual void depthFunc(WGC3Denum func) { }
110    virtual void depthMask(WGC3Dboolean flag) { }
111    virtual void depthRange(WGC3Dclampf zNear, WGC3Dclampf zFar) { }
112    virtual void detachShader(WebGLId program, WebGLId shader) { }
113    virtual void disable(WGC3Denum cap) { }
114    virtual void disableVertexAttribArray(WGC3Duint index) { }
115    virtual void drawArrays(WGC3Denum mode, WGC3Dint first, WGC3Dsizei count) { }
116    virtual void drawElements(WGC3Denum mode, WGC3Dsizei count, WGC3Denum type, WGC3Dintptr offset) { }
117
118    virtual void enable(WGC3Denum cap) { }
119    virtual void enableVertexAttribArray(WGC3Duint index) { }
120    virtual void finish() { }
121    virtual void flush() { }
122    virtual void framebufferRenderbuffer(WGC3Denum target, WGC3Denum attachment, WGC3Denum renderbuffertarget, WebGLId renderbuffer) { }
123    virtual void framebufferTexture2D(WGC3Denum target, WGC3Denum attachment, WGC3Denum textarget, WebGLId texture, WGC3Dint level) { }
124    virtual void frontFace(WGC3Denum mode) { }
125    virtual void generateMipmap(WGC3Denum target) { }
126
127    virtual bool getActiveAttrib(WebGLId program, WGC3Duint index, ActiveInfo&) { return false; }
128    virtual bool getActiveUniform(WebGLId program, WGC3Duint index, ActiveInfo&) { return false; }
129    virtual void getAttachedShaders(WebGLId program, WGC3Dsizei maxCount, WGC3Dsizei* count, WebGLId* shaders) { }
130    virtual WGC3Dint getAttribLocation(WebGLId program, const WGC3Dchar* name) { return 0; }
131    virtual void getBooleanv(WGC3Denum pname, WGC3Dboolean* value) { }
132    virtual void getBufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) { }
133    virtual Attributes getContextAttributes() { return m_attrs; }
134    virtual WGC3Denum getError() { return 0; }
135    virtual void getFloatv(WGC3Denum pname, WGC3Dfloat* value) { }
136    virtual void getFramebufferAttachmentParameteriv(WGC3Denum target, WGC3Denum attachment, WGC3Denum pname, WGC3Dint* value) { }
137
138    virtual void getIntegerv(WGC3Denum pname, WGC3Dint* value)
139    {
140        if (pname == WebCore::GraphicsContext3D::MAX_TEXTURE_SIZE)
141            *value = 1024;
142    }
143
144    virtual void getProgramiv(WebGLId program, WGC3Denum pname, WGC3Dint* value)
145    {
146        if (pname == WebCore::GraphicsContext3D::LINK_STATUS)
147            *value = 1;
148    }
149
150    virtual WebString getProgramInfoLog(WebGLId program) { return WebString(); }
151    virtual void getRenderbufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) { }
152
153    virtual void getShaderiv(WebGLId shader, WGC3Denum pname, WGC3Dint* value)
154    {
155        if (pname == WebCore::GraphicsContext3D::COMPILE_STATUS)
156            *value = 1;
157    }
158
159    virtual WebString getShaderInfoLog(WebGLId shader) { return WebString(); }
160    virtual void getShaderPrecisionFormat(WGC3Denum shadertype, WGC3Denum precisiontype, WGC3Dint* range, WGC3Dint* precision) { }
161    virtual WebString getShaderSource(WebGLId shader) { return WebString(); }
162    virtual WebString getString(WGC3Denum name) { return WebString(); }
163    virtual void getTexParameterfv(WGC3Denum target, WGC3Denum pname, WGC3Dfloat* value) { }
164    virtual void getTexParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) { }
165    virtual void getUniformfv(WebGLId program, WGC3Dint location, WGC3Dfloat* value) { }
166    virtual void getUniformiv(WebGLId program, WGC3Dint location, WGC3Dint* value) { }
167    virtual WGC3Dint getUniformLocation(WebGLId program, const WGC3Dchar* name) { return 0; }
168    virtual void getVertexAttribfv(WGC3Duint index, WGC3Denum pname, WGC3Dfloat* value) { }
169    virtual void getVertexAttribiv(WGC3Duint index, WGC3Denum pname, WGC3Dint* value) { }
170    virtual WGC3Dsizeiptr getVertexAttribOffset(WGC3Duint index, WGC3Denum pname) { return 0; }
171
172    virtual void hint(WGC3Denum target, WGC3Denum mode) { }
173    virtual WGC3Dboolean isBuffer(WebGLId buffer) { return false; }
174    virtual WGC3Dboolean isEnabled(WGC3Denum cap) { return false; }
175    virtual WGC3Dboolean isFramebuffer(WebGLId framebuffer) { return false; }
176    virtual WGC3Dboolean isProgram(WebGLId program) { return false; }
177    virtual WGC3Dboolean isRenderbuffer(WebGLId renderbuffer) { return false; }
178    virtual WGC3Dboolean isShader(WebGLId shader) { return false; }
179    virtual WGC3Dboolean isTexture(WebGLId texture) { return false; }
180    virtual void lineWidth(WGC3Dfloat) { }
181    virtual void linkProgram(WebGLId program) { }
182    virtual void pixelStorei(WGC3Denum pname, WGC3Dint param) { }
183    virtual void polygonOffset(WGC3Dfloat factor, WGC3Dfloat units) { }
184
185    virtual void readPixels(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, void* pixels) { }
186
187    virtual void releaseShaderCompiler() { }
188
189    virtual void renderbufferStorage(WGC3Denum target, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) { }
190    virtual void sampleCoverage(WGC3Dclampf value, WGC3Dboolean invert) { }
191    virtual void scissor(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) { }
192    virtual void shaderSource(WebGLId shader, const WGC3Dchar* string) { }
193    virtual void stencilFunc(WGC3Denum func, WGC3Dint ref, WGC3Duint mask) { }
194    virtual void stencilFuncSeparate(WGC3Denum face, WGC3Denum func, WGC3Dint ref, WGC3Duint mask) { }
195    virtual void stencilMask(WGC3Duint mask) { }
196    virtual void stencilMaskSeparate(WGC3Denum face, WGC3Duint mask) { }
197    virtual void stencilOp(WGC3Denum fail, WGC3Denum zfail, WGC3Denum zpass) { }
198    virtual void stencilOpSeparate(WGC3Denum face, WGC3Denum fail, WGC3Denum zfail, WGC3Denum zpass) { }
199
200    virtual void texImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Denum format, WGC3Denum type, const void* pixels) { }
201
202    virtual void texParameterf(WGC3Denum target, WGC3Denum pname, WGC3Dfloat param) { }
203    virtual void texParameteri(WGC3Denum target, WGC3Denum pname, WGC3Dint param) { }
204
205    virtual void texSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, const void* pixels) { }
206
207    virtual void uniform1f(WGC3Dint location, WGC3Dfloat x) { }
208    virtual void uniform1fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) { }
209    virtual void uniform1i(WGC3Dint location, WGC3Dint x) { }
210    virtual void uniform1iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) { }
211    virtual void uniform2f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y) { }
212    virtual void uniform2fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) { }
213    virtual void uniform2i(WGC3Dint location, WGC3Dint x, WGC3Dint y) { }
214    virtual void uniform2iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) { }
215    virtual void uniform3f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z) { }
216    virtual void uniform3fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) { }
217    virtual void uniform3i(WGC3Dint location, WGC3Dint x, WGC3Dint y, WGC3Dint z) { }
218    virtual void uniform3iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) { }
219    virtual void uniform4f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z, WGC3Dfloat w) { }
220    virtual void uniform4fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) { }
221    virtual void uniform4i(WGC3Dint location, WGC3Dint x, WGC3Dint y, WGC3Dint z, WGC3Dint w) { }
222    virtual void uniform4iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) { }
223    virtual void uniformMatrix2fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) { }
224    virtual void uniformMatrix3fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) { }
225    virtual void uniformMatrix4fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) { }
226
227    virtual void useProgram(WebGLId program) { }
228    virtual void validateProgram(WebGLId program) { }
229
230    virtual void vertexAttrib1f(WGC3Duint index, WGC3Dfloat x) { }
231    virtual void vertexAttrib1fv(WGC3Duint index, const WGC3Dfloat* values) { }
232    virtual void vertexAttrib2f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y) { }
233    virtual void vertexAttrib2fv(WGC3Duint index, const WGC3Dfloat* values) { }
234    virtual void vertexAttrib3f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z) { }
235    virtual void vertexAttrib3fv(WGC3Duint index, const WGC3Dfloat* values) { }
236    virtual void vertexAttrib4f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z, WGC3Dfloat w) { }
237    virtual void vertexAttrib4fv(WGC3Duint index, const WGC3Dfloat* values) { }
238    virtual void vertexAttribPointer(WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized, WGC3Dsizei stride, WGC3Dintptr offset) { }
239
240    virtual void viewport(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) { }
241
242    virtual WebGLId createBuffer() { return 1; }
243    virtual WebGLId createFramebuffer() { return 1; }
244    virtual WebGLId createProgram() { return 1; }
245    virtual WebGLId createRenderbuffer() { return 1; }
246    virtual WebGLId createShader(WGC3Denum) { return 1; }
247    virtual WebGLId createTexture() { return m_nextTextureId++; }
248
249    virtual void deleteBuffer(WebGLId) { }
250    virtual void deleteFramebuffer(WebGLId) { }
251    virtual void deleteProgram(WebGLId) { }
252    virtual void deleteRenderbuffer(WebGLId) { }
253    virtual void deleteShader(WebGLId) { }
254    virtual void deleteTexture(WebGLId) { }
255
256    virtual void texStorage2DEXT(WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat, WGC3Dint width, WGC3Dint height) { }
257
258    virtual WebGLId createQueryEXT() { return 1; }
259    virtual void deleteQueryEXT(WebGLId) { }
260    virtual GC3Dboolean isQueryEXT(WebGLId) { return true; }
261    virtual void beginQueryEXT(GC3Denum, WebGLId) { }
262    virtual void endQueryEXT(GC3Denum) { }
263    virtual void getQueryivEXT(GC3Denum, GC3Denum, GC3Dint*) { }
264    virtual void getQueryObjectuivEXT(WebGLId, GC3Denum, GC3Duint*) { }
265
266protected:
267    unsigned m_nextTextureId;
268    Attributes m_attrs;
269};
270
271} // namespace WebKit
272
273#endif // FakeWebGraphicsContext3D_h
274