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Bug 1170855 - Part 4: Pour in the WebGL 2 pnames. r=jgilbert
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@ -12,38 +12,79 @@ namespace mozilla {
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JS::Value
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WebGL2Context::GetParameter(JSContext* cx, GLenum pname, ErrorResult& rv)
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{
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// The following cases are handled in WebGLContext::GetParameter():
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// case LOCAL_GL_MAX_COLOR_ATTACHMENTS:
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// case LOCAL_GL_MAX_DRAW_BUFFERS:
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// case LOCAL_GL_DRAW_BUFFERi:
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if (IsContextLost())
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return JS::NullValue();
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MakeContextCurrent();
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switch (pname) {
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case LOCAL_GL_MAX_SAMPLES:
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case LOCAL_GL_MAX_UNIFORM_BLOCK_SIZE:
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case LOCAL_GL_MAX_VERTEX_UNIFORM_COMPONENTS: {
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GLint val;
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gl->fGetIntegerv(pname, &val);
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return JS::NumberValue(uint32_t(val));
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/* GLboolean */
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case LOCAL_GL_RASTERIZER_DISCARD:
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case LOCAL_GL_SAMPLE_ALPHA_TO_COVERAGE:
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case LOCAL_GL_SAMPLE_COVERAGE:
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case LOCAL_GL_TRANSFORM_FEEDBACK_PAUSED:
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case LOCAL_GL_TRANSFORM_FEEDBACK_ACTIVE:
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case LOCAL_GL_UNPACK_SKIP_IMAGES:
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case LOCAL_GL_UNPACK_SKIP_PIXELS:
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case LOCAL_GL_UNPACK_SKIP_ROWS: {
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realGLboolean b = 0;
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gl->fGetBooleanv(pname, &b);
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return JS::BooleanValue(bool(b));
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}
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case LOCAL_GL_TEXTURE_BINDING_3D:
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return WebGLObjectAsJSValue(cx, mBound3DTextures[mActiveTexture].get(), rv);
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/* GLenum */
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case LOCAL_GL_FRAGMENT_SHADER_DERIVATIVE_HINT:
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case LOCAL_GL_READ_BUFFER:
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/* fall through */
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// DRAW_FRAMEBUFFER_BINDING is the same as FRAMEBUFFER_BINDING.
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case LOCAL_GL_READ_FRAMEBUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundReadFramebuffer.get(), rv);
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/* GLint */
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case LOCAL_GL_MAX_3D_TEXTURE_SIZE:
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case LOCAL_GL_MAX_ARRAY_TEXTURE_LAYERS:
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case LOCAL_GL_MAX_COMBINED_UNIFORM_BLOCKS:
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case LOCAL_GL_MAX_ELEMENTS_INDICES:
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case LOCAL_GL_MAX_ELEMENTS_VERTICES:
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case LOCAL_GL_MAX_FRAGMENT_INPUT_COMPONENTS:
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case LOCAL_GL_MAX_FRAGMENT_UNIFORM_BLOCKS:
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case LOCAL_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS:
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case LOCAL_GL_MAX_PROGRAM_TEXEL_OFFSET:
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case LOCAL_GL_MAX_SAMPLES:
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case LOCAL_GL_MAX_TEXTURE_LOD_BIAS:
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case LOCAL_GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS:
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case LOCAL_GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS:
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case LOCAL_GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS:
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case LOCAL_GL_MAX_UNIFORM_BUFFER_BINDINGS:
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case LOCAL_GL_MAX_VARYING_COMPONENTS:
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case LOCAL_GL_MAX_VERTEX_OUTPUT_COMPONENTS:
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case LOCAL_GL_MAX_VERTEX_UNIFORM_BLOCKS:
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case LOCAL_GL_MAX_VERTEX_UNIFORM_COMPONENTS:
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case LOCAL_GL_MIN_PROGRAM_TEXEL_OFFSET:
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case LOCAL_GL_PACK_ROW_LENGTH:
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case LOCAL_GL_PACK_SKIP_PIXELS:
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case LOCAL_GL_PACK_SKIP_ROWS:
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case LOCAL_GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT:
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case LOCAL_GL_UNPACK_IMAGE_HEIGHT:
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case LOCAL_GL_UNPACK_ROW_LENGTH: {
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GLint val;
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gl->fGetIntegerv(pname, &val);
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return JS::Int32Value(val);
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}
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case LOCAL_GL_PIXEL_PACK_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundPixelPackBuffer.get(), rv);
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case LOCAL_GL_PIXEL_UNPACK_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundPixelUnpackBuffer.get(), rv);
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case LOCAL_GL_UNIFORM_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundUniformBuffer.get(), rv);
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case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundTransformFeedbackBuffer.get(), rv);
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/* GLint64 */
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//case LOCAL_GL_MAX_CLIENT_WAIT_TIMEOUT_WEBGL:
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case LOCAL_GL_MAX_ELEMENT_INDEX:
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case LOCAL_GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS:
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case LOCAL_GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS:
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case LOCAL_GL_MAX_SERVER_WAIT_TIMEOUT:
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case LOCAL_GL_MAX_UNIFORM_BLOCK_SIZE: {
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GLint64 val;
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gl->fGetInteger64v(pname, &val);
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return JS::DoubleValue(static_cast<double>(val));
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}
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case LOCAL_GL_COPY_READ_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundCopyReadBuffer.get(), rv);
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@ -51,8 +92,46 @@ WebGL2Context::GetParameter(JSContext* cx, GLenum pname, ErrorResult& rv)
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case LOCAL_GL_COPY_WRITE_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundCopyWriteBuffer.get(), rv);
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case LOCAL_GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS:
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return JS::Int32Value(mGLMaxTransformFeedbackSeparateAttribs);
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case LOCAL_GL_PIXEL_PACK_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundPixelPackBuffer.get(), rv);
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case LOCAL_GL_PIXEL_UNPACK_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundPixelUnpackBuffer.get(), rv);
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case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundTransformFeedbackBuffer.get(), rv);
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case LOCAL_GL_UNIFORM_BUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundUniformBuffer.get(), rv);
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// DRAW_FRAMEBUFFER_BINDING is the same as FRAMEBUFFER_BINDING.
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case LOCAL_GL_READ_FRAMEBUFFER_BINDING:
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return WebGLObjectAsJSValue(cx, mBoundReadFramebuffer.get(), rv);
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case LOCAL_GL_SAMPLER_BINDING:
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// TODO: Implement bound sampler tracking
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//return WebGLObjectAsJSValue(cx, mBoundSamplers[mActiveTexture].get(), rv);
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return JS::NullValue();
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case LOCAL_GL_TEXTURE_BINDING_2D_ARRAY:
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// TODO: Implement gl.TEXTURE_2D_ARRAY
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// return WebGLObjectAsJSValue(cx, mBound2DTextureArrays[mActiveTexture].get(), rv);
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return JS::NullValue();
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case LOCAL_GL_TEXTURE_BINDING_3D:
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return WebGLObjectAsJSValue(cx, mBound3DTextures[mActiveTexture].get(), rv);
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case LOCAL_GL_TRANSFORM_FEEDBACK_BINDING: {
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WebGLTransformFeedback* tf =
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(mBoundTransformFeedback != mDefaultTransformFeedback) ? mBoundTransformFeedback.get() : nullptr;
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return WebGLObjectAsJSValue(cx, tf, rv);
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}
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case LOCAL_GL_VERTEX_ARRAY_BINDING: {
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WebGLVertexArray* vao =
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(mBoundVertexArray != mDefaultVertexArray) ? mBoundVertexArray.get() : nullptr;
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return WebGLObjectAsJSValue(cx, vao, rv);
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}
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case LOCAL_GL_VERSION:
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return StringValue(cx, "WebGL 2.0", rv);
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