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