cc/test/fake_web_graphics_context_3d.h

   1 // Copyright 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CC_TEST_FAKE_WEB_GRAPHICS_CONTEXT_3D_H_
   6 #define CC_TEST_FAKE_WEB_GRAPHICS_CONTEXT_3D_H_
   7
   8 #include "third_party/khronos/GLES2/gl2.h"
   9 #include <public/WebGraphicsContext3D.h>
  10
  11 namespace WebKit {
  12
  13 // WebGraphicsContext3D base class for use in WebKit unit tests.
  14 // All operations are no-ops (returning 0 if necessary).
  15 class FakeWebGraphicsContext3D : public WebGraphicsContext3D {
  16 public:
  17     FakeWebGraphicsContext3D()
  18         : m_nextTextureId(1)
  19     {
  20     }
  21
  22     virtual bool makeContextCurrent() { return true; }
  23
  24     virtual int width() { return 0; }
  25     virtual int height() { return 0; }
  26
  27     virtual void reshape(int width, int height) { }
  28
  29     virtual bool isGLES2Compliant() { return false; }
  30
  31     virtual bool readBackFramebuffer(unsigned char* pixels, size_t bufferSize, WebGLId framebuffer, int width, int height) { return false; }
  32
  33     virtual WebGLId getPlatformTextureId() { return 0; }
  34
  35     virtual void prepareTexture() { }
  36
  37     virtual void postSubBufferCHROMIUM(int x, int y, int width, int height) { }
  38
  39     virtual void synthesizeGLError(WGC3Denum) { }
  40
  41     virtual bool isContextLost() { return false; }
  42
  43     virtual void* mapBufferSubDataCHROMIUM(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, WGC3Denum access) { return 0; }
  44     virtual void unmapBufferSubDataCHROMIUM(const void*) { }
  45     virtual void* mapTexSubImage2DCHROMIUM(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, WGC3Denum access) { return 0; }
  46     virtual void unmapTexSubImage2DCHROMIUM(const void*) { }
  47
  48     virtual void setVisibilityCHROMIUM(bool visible) { }
  49
  50     virtual void discardFramebufferEXT(WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) { }
  51     virtual void ensureFramebufferCHROMIUM() { }
  52
  53     virtual void setMemoryAllocationChangedCallbackCHROMIUM(WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback) { }
  54
  55     virtual WebString getRequestableExtensionsCHROMIUM() { return WebString(); }
  56     virtual void requestExtensionCHROMIUM(const char*) { }
  57
  58     virtual void blitFramebufferCHROMIUM(WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, WGC3Dbitfield mask, WGC3Denum filter) { }
  59     virtual void renderbufferStorageMultisampleCHROMIUM(WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) { }
  60
  61     virtual void activeTexture(WGC3Denum texture) { }
  62     virtual void attachShader(WebGLId program, WebGLId shader) { }
  63     virtual void bindAttribLocation(WebGLId program, WGC3Duint index, const WGC3Dchar* name) { }
  64     virtual void bindBuffer(WGC3Denum target, WebGLId buffer) { }
  65     virtual void bindFramebuffer(WGC3Denum target, WebGLId framebuffer) { }
  66     virtual void bindRenderbuffer(WGC3Denum target, WebGLId renderbuffer) { }
  67     virtual void bindTexture(WGC3Denum target, WebGLId texture) { }
  68     virtual void blendColor(WGC3Dclampf red, WGC3Dclampf green, WGC3Dclampf blue, WGC3Dclampf alpha) { }
  69     virtual void blendEquation(WGC3Denum mode) { }
  70     virtual void blendEquationSeparate(WGC3Denum modeRGB, WGC3Denum modeAlpha) { }
  71     virtual void blendFunc(WGC3Denum sfactor, WGC3Denum dfactor) { }
  72     virtual void blendFuncSeparate(WGC3Denum srcRGB, WGC3Denum dstRGB, WGC3Denum srcAlpha, WGC3Denum dstAlpha) { }
  73
  74     virtual void bufferData(WGC3Denum target, WGC3Dsizeiptr size, const void* data, WGC3Denum usage) { }
  75     virtual void bufferSubData(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, const void* data) { }
  76
  77     virtual WGC3Denum checkFramebufferStatus(WGC3Denum target)
  78     {
  79         return GL_FRAMEBUFFER_COMPLETE;
  80     }
  81
  82     virtual void clear(WGC3Dbitfield mask) { }
  83     virtual void clearColor(WGC3Dclampf red, WGC3Dclampf green, WGC3Dclampf blue, WGC3Dclampf alpha) { }
  84     virtual void clearDepth(WGC3Dclampf depth) { }
  85     virtual void clearStencil(WGC3Dint s) { }
  86     virtual void colorMask(WGC3Dboolean red, WGC3Dboolean green, WGC3Dboolean blue, WGC3Dboolean alpha) { }
  87     virtual void compileShader(WebGLId shader) { }
  88
  89     virtual void compressedTexImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Dsizei imageSize, const void* data) { }
  90     virtual void compressedTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Dsizei imageSize, const void* data) { }
  91     virtual void copyTexImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border) { }
  92     virtual void copyTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) { }
  93     virtual void cullFace(WGC3Denum mode) { }
  94     virtual void depthFunc(WGC3Denum func) { }
  95     virtual void depthMask(WGC3Dboolean flag) { }
  96     virtual void depthRange(WGC3Dclampf zNear, WGC3Dclampf zFar) { }
  97     virtual void detachShader(WebGLId program, WebGLId shader) { }
  98     virtual void disable(WGC3Denum cap) { }
  99     virtual void disableVertexAttribArray(WGC3Duint index) { }
 100     virtual void drawArrays(WGC3Denum mode, WGC3Dint first, WGC3Dsizei count) { }
 101     virtual void drawElements(WGC3Denum mode, WGC3Dsizei count, WGC3Denum type, WGC3Dintptr offset) { }
 102
 103     virtual void enable(WGC3Denum cap) { }
 104     virtual void enableVertexAttribArray(WGC3Duint index) { }
 105     virtual void finish() { }
 106     virtual void flush() { }
 107     virtual void framebufferRenderbuffer(WGC3Denum target, WGC3Denum attachment, WGC3Denum renderbuffertarget, WebGLId renderbuffer) { }
 108     virtual void framebufferTexture2D(WGC3Denum target, WGC3Denum attachment, WGC3Denum textarget, WebGLId texture, WGC3Dint level) { }
 109     virtual void frontFace(WGC3Denum mode) { }
 110     virtual void generateMipmap(WGC3Denum target) { }
 111
 112     virtual bool getActiveAttrib(WebGLId program, WGC3Duint index, ActiveInfo&) { return false; }
 113     virtual bool getActiveUniform(WebGLId program, WGC3Duint index, ActiveInfo&) { return false; }
 114     virtual void getAttachedShaders(WebGLId program, WGC3Dsizei maxCount, WGC3Dsizei* count, WebGLId* shaders) { }
 115     virtual WGC3Dint getAttribLocation(WebGLId program, const WGC3Dchar* name) { return 0; }
 116     virtual void getBooleanv(WGC3Denum pname, WGC3Dboolean* value) { }
 117     virtual void getBufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) { }
 118     virtual Attributes getContextAttributes() { return m_attrs; }
 119     virtual WGC3Denum getError() { return 0; }
 120     virtual void getFloatv(WGC3Denum pname, WGC3Dfloat* value) { }
 121     virtual void getFramebufferAttachmentParameteriv(WGC3Denum target, WGC3Denum attachment, WGC3Denum pname, WGC3Dint* value) { }
 122
 123     virtual void getIntegerv(WGC3Denum pname, WGC3Dint* value)
 124     {
 125         if (pname == GL_MAX_TEXTURE_SIZE)
 126             *value = 1024;
 127     }
 128
 129     virtual void getProgramiv(WebGLId program, WGC3Denum pname, WGC3Dint* value)
 130     {
 131         if (pname == GL_LINK_STATUS)
 132             *value = 1;
 133     }
 134
 135     virtual WebString getProgramInfoLog(WebGLId program) { return WebString(); }
 136     virtual void getRenderbufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) { }
 137
 138     virtual void getShaderiv(WebGLId shader, WGC3Denum pname, WGC3Dint* value)
 139     {
 140         if (pname == GL_COMPILE_STATUS)
 141             *value = 1;
 142     }
 143
 144     virtual WebString getShaderInfoLog(WebGLId shader) { return WebString(); }
 145     virtual void getShaderPrecisionFormat(WGC3Denum shadertype, WGC3Denum precisiontype, WGC3Dint* range, WGC3Dint* precision) { }
 146     virtual WebString getShaderSource(WebGLId shader) { return WebString(); }
 147     virtual WebString getString(WGC3Denum name) { return WebString(); }
 148     virtual void getTexParameterfv(WGC3Denum target, WGC3Denum pname, WGC3Dfloat* value) { }
 149     virtual void getTexParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) { }
 150     virtual void getUniformfv(WebGLId program, WGC3Dint location, WGC3Dfloat* value) { }
 151     virtual void getUniformiv(WebGLId program, WGC3Dint location, WGC3Dint* value) { }
 152     virtual WGC3Dint getUniformLocation(WebGLId program, const WGC3Dchar* name) { return 0; }
 153     virtual void getVertexAttribfv(WGC3Duint index, WGC3Denum pname, WGC3Dfloat* value) { }
 154     virtual void getVertexAttribiv(WGC3Duint index, WGC3Denum pname, WGC3Dint* value) { }
 155     virtual WGC3Dsizeiptr getVertexAttribOffset(WGC3Duint index, WGC3Denum pname) { return 0; }
 156
 157     virtual void hint(WGC3Denum target, WGC3Denum mode) { }
 158     virtual WGC3Dboolean isBuffer(WebGLId buffer) { return false; }
 159     virtual WGC3Dboolean isEnabled(WGC3Denum cap) { return false; }
 160     virtual WGC3Dboolean isFramebuffer(WebGLId framebuffer) { return false; }
 161     virtual WGC3Dboolean isProgram(WebGLId program) { return false; }
 162     virtual WGC3Dboolean isRenderbuffer(WebGLId renderbuffer) { return false; }
 163     virtual WGC3Dboolean isShader(WebGLId shader) { return false; }
 164     virtual WGC3Dboolean isTexture(WebGLId texture) { return false; }
 165     virtual void lineWidth(WGC3Dfloat) { }
 166     virtual void linkProgram(WebGLId program) { }
 167     virtual void pixelStorei(WGC3Denum pname, WGC3Dint param) { }
 168     virtual void polygonOffset(WGC3Dfloat factor, WGC3Dfloat units) { }
 169
 170     virtual void readPixels(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, void* pixels) { }
 171
 172     virtual void releaseShaderCompiler() { }
 173
 174     virtual void renderbufferStorage(WGC3Denum target, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) { }
 175     virtual void sampleCoverage(WGC3Dclampf value, WGC3Dboolean invert) { }
 176     virtual void scissor(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) { }
 177     virtual void shaderSource(WebGLId shader, const WGC3Dchar* string) { }
 178     virtual void stencilFunc(WGC3Denum func, WGC3Dint ref, WGC3Duint mask) { }
 179     virtual void stencilFuncSeparate(WGC3Denum face, WGC3Denum func, WGC3Dint ref, WGC3Duint mask) { }
 180     virtual void stencilMask(WGC3Duint mask) { }
 181     virtual void stencilMaskSeparate(WGC3Denum face, WGC3Duint mask) { }
 182     virtual void stencilOp(WGC3Denum fail, WGC3Denum zfail, WGC3Denum zpass) { }
 183     virtual void stencilOpSeparate(WGC3Denum face, WGC3Denum fail, WGC3Denum zfail, WGC3Denum zpass) { }
 184
 185     virtual void texImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Denum format, WGC3Denum type, const void* pixels) { }
 186
 187     virtual void texParameterf(WGC3Denum target, WGC3Denum pname, WGC3Dfloat param) { }
 188     virtual void texParameteri(WGC3Denum target, WGC3Denum pname, WGC3Dint param) { }
 189
 190     virtual void texSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, const void* pixels) { }
 191
 192     virtual void uniform1f(WGC3Dint location, WGC3Dfloat x) { }
 193     virtual void uniform1fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) { }
 194     virtual void uniform1i(WGC3Dint location, WGC3Dint x) { }
 195     virtual void uniform1iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) { }
 196     virtual void uniform2f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y) { }
 197     virtual void uniform2fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) { }
 198     virtual void uniform2i(WGC3Dint location, WGC3Dint x, WGC3Dint y) { }
 199     virtual void uniform2iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) { }
 200     virtual void uniform3f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z) { }
 201     virtual void uniform3fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) { }
 202     virtual void uniform3i(WGC3Dint location, WGC3Dint x, WGC3Dint y, WGC3Dint z) { }
 203     virtual void uniform3iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) { }
 204     virtual void uniform4f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z, WGC3Dfloat w) { }
 205     virtual void uniform4fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) { }
 206     virtual void uniform4i(WGC3Dint location, WGC3Dint x, WGC3Dint y, WGC3Dint z, WGC3Dint w) { }
 207     virtual void uniform4iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) { }
 208     virtual void uniformMatrix2fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) { }
 209     virtual void uniformMatrix3fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) { }
 210     virtual void uniformMatrix4fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) { }
 211
 212     virtual void useProgram(WebGLId program) { }
 213     virtual void validateProgram(WebGLId program) { }
 214
 215     virtual void vertexAttrib1f(WGC3Duint index, WGC3Dfloat x) { }
 216     virtual void vertexAttrib1fv(WGC3Duint index, const WGC3Dfloat* values) { }
 217     virtual void vertexAttrib2f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y) { }
 218     virtual void vertexAttrib2fv(WGC3Duint index, const WGC3Dfloat* values) { }
 219     virtual void vertexAttrib3f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z) { }
 220     virtual void vertexAttrib3fv(WGC3Duint index, const WGC3Dfloat* values) { }
 221     virtual void vertexAttrib4f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z, WGC3Dfloat w) { }
 222     virtual void vertexAttrib4fv(WGC3Duint index, const WGC3Dfloat* values) { }
 223     virtual void vertexAttribPointer(WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized,
 224                                      WGC3Dsizei stride, WGC3Dintptr offset) { }
 225
 226     virtual void viewport(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) { }
 227
 228     virtual WebGLId createBuffer() { return 1; }
 229     virtual WebGLId createFramebuffer() { return 1; }
 230     virtual WebGLId createProgram() { return 1; }
 231     virtual WebGLId createRenderbuffer() { return 1; }
 232     virtual WebGLId createShader(WGC3Denum) { return 1; }
 233     virtual WebGLId createTexture() { return m_nextTextureId++; }
 234
 235     virtual void deleteBuffer(WebGLId) { }
 236     virtual void deleteFramebuffer(WebGLId) { }
 237     virtual void deleteProgram(WebGLId) { }
 238     virtual void deleteRenderbuffer(WebGLId) { }
 239     virtual void deleteShader(WebGLId) { }
 240     virtual void deleteTexture(WebGLId) { }
 241
 242     virtual void texStorage2DEXT(WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat,
 243                                  WGC3Dint width, WGC3Dint height) { }
 244
 245     virtual WebGLId createQueryEXT() { return 1; }
 246     virtual void deleteQueryEXT(WebGLId) { }
 247     virtual WGC3Dboolean isQueryEXT(WebGLId) { return true; }
 248     virtual void beginQueryEXT(WGC3Denum, WebGLId) { }
 249     virtual void endQueryEXT(WGC3Denum) { }
 250     virtual void getQueryivEXT(WGC3Denum, WGC3Denum, WGC3Dint*) { }
 251     virtual void getQueryObjectuivEXT(WebGLId, WGC3Denum, WGC3Duint*) { }
 252
 253 protected:
 254     unsigned m_nextTextureId;
 255     Attributes m_attrs;
 256 };
 257
 258 } // namespace WebKit
 259
 260 #endif  // CC_TEST_FAKE_WEB_GRAPHICS_CONTEXT_3D_H_