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author | Ivo van Dongen <info@ivovandongen.nl> | 2016-11-03 15:22:21 +0200 |
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committer | Ivo van Dongen <ivovandongen@users.noreply.github.com> | 2016-11-07 09:38:04 +0100 |
commit | 505bf7db7a33f977a3339528bbae17bdfa30e2e0 (patch) | |
tree | fceaab6babc8dcb65304305a72c5358d50253998 /platform/android/src/example_custom_layer.cpp | |
parent | ee073f6b96f5e70a283def9cd2acebbae29b97d1 (diff) | |
download | qtlocation-mapboxgl-505bf7db7a33f977a3339528bbae17bdfa30e2e0.tar.gz |
[android] update custom layer example with invalidation example
Diffstat (limited to 'platform/android/src/example_custom_layer.cpp')
-rw-r--r-- | platform/android/src/example_custom_layer.cpp | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/platform/android/src/example_custom_layer.cpp b/platform/android/src/example_custom_layer.cpp index 516a8f2cd5..0fb0287f3d 100644 --- a/platform/android/src/example_custom_layer.cpp +++ b/platform/android/src/example_custom_layer.cpp @@ -1,14 +1,17 @@ #include <jni.h> #include <GLES2/gl2.h> +#include <mbgl/platform/log.hpp> + #include <mbgl/style/layers/custom_layer.hpp> static const GLchar * vertexShaderSource = "attribute vec2 a_pos; void main() { gl_Position = vec4(a_pos, 0, 1); }"; -static const GLchar * fragmentShaderSource = "void main() { gl_FragColor = vec4(0, 1, 0, 1); }"; +static const GLchar * fragmentShaderSource = "uniform vec4 fill_color; void main() { gl_FragColor = fill_color; }"; class ExampleCustomLayer { public: ~ExampleCustomLayer() { + mbgl::Log::Info(mbgl::Event::General, "~ExampleCustomLayer"); if (program) { glDeleteBuffers(1, &buffer); glDetachShader(program, vertexShader); @@ -20,6 +23,7 @@ public: } void initialize() { + mbgl::Log::Info(mbgl::Event::General, "Initialize"); program = glCreateProgram(); vertexShader = glCreateShader(GL_VERTEX_SHADER); fragmentShader = glCreateShader(GL_FRAGMENT_SHADER); @@ -32,6 +36,7 @@ public: glAttachShader(program, fragmentShader); glLinkProgram(program); a_pos = glGetAttribLocation(program, "a_pos"); + fill_color = glGetUniformLocation(program, "fill_color"); GLfloat background[] = { -1,-1, 1,-1, -1,1, 1,1 }; glGenBuffers(1, &buffer); @@ -40,12 +45,15 @@ public: } void render() { + mbgl::Log::Info(mbgl::Event::General, "Render"); glUseProgram(program); glBindBuffer(GL_ARRAY_BUFFER, buffer); glEnableVertexAttribArray(a_pos); glVertexAttribPointer(a_pos, 2, GL_FLOAT, GL_FALSE, 0, NULL); glDisable(GL_STENCIL_TEST); glDisable(GL_DEPTH_TEST); + glUniform4fv(fill_color, 1, color); + glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); } @@ -54,35 +62,54 @@ public: GLuint fragmentShader = 0; GLuint buffer = 0; GLuint a_pos = 0; + GLuint fill_color = 0; + + static GLfloat color[]; }; +GLfloat ExampleCustomLayer::color[] = { 0.0f, 1.0f, 0.0f, 1.0f }; + jlong JNICALL nativeCreateContext(JNIEnv*, jobject) { - return reinterpret_cast<jlong>(new ExampleCustomLayer()); + mbgl::Log::Info(mbgl::Event::General, "nativeCreateContext"); + return reinterpret_cast<jlong>(new ExampleCustomLayer()); +} + +void JNICALL nativeSetColor(JNIEnv*, jobject, jfloat red, jfloat green, jfloat blue, jfloat alpha) { + mbgl::Log::Info(mbgl::Event::General, "nativeSetColor: %.2f, %.2f, %.2f, %.2f", red, green, blue, alpha); + ExampleCustomLayer::color[0] = red; + ExampleCustomLayer::color[1] = green; + ExampleCustomLayer::color[2] = blue; + ExampleCustomLayer::color[3] = alpha; } void nativeInitialize(void *context) { + mbgl::Log::Info(mbgl::Event::General, "nativeInitialize"); reinterpret_cast<ExampleCustomLayer*>(context)->initialize(); } void nativeRender(void *context, const mbgl::style::CustomLayerRenderParameters& /*parameters*/) { + mbgl::Log::Info(mbgl::Event::General, "nativeRender"); reinterpret_cast<ExampleCustomLayer*>(context)->render(); } void nativeDenitialize(void *context) { + mbgl::Log::Info(mbgl::Event::General, "nativeDeinitialize"); delete reinterpret_cast<ExampleCustomLayer*>(context); } extern "C" JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *) { + mbgl::Log::Info(mbgl::Event::General, "OnLoad"); JNIEnv *env = nullptr; vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6); jclass customLayerClass = env->FindClass("com/mapbox/mapboxsdk/testapp/model/customlayer/ExampleCustomLayer"); JNINativeMethod methods[] = { - {"createContext", "()J", reinterpret_cast<void *>(&nativeCreateContext)} + {"createContext", "()J", reinterpret_cast<void *>(&nativeCreateContext)}, + {"setColor", "(FFFF)V", reinterpret_cast<void *>(&nativeSetColor)} }; - if (env->RegisterNatives(customLayerClass, methods, 1) < 0) { + if (env->RegisterNatives(customLayerClass, methods, 2) < 0) { env->ExceptionDescribe(); return JNI_ERR; } |