1 files changed, 139 insertions, 0 deletions
diff --git a/opengl/tests/gl_perf/fragment_shaders.cpp b/opengl/tests/gl_perf/fragment_shaders.cpp
new file mode 100644
index 0000000..79d5ead
--- /dev/null
+++ b/opengl/tests/gl_perf/fragment_shaders.cpp
@@ -0,0 +1,139 @@
+
+typedef struct FragmentTestRec {
+	const char * name;
+	uint32_t texCount;
+	const char * txt;
+} FragmentTest;
+
+static FragmentTest fpFill = {
+	"Solid color", 0,
+
+    "precision mediump float;\n"
+    "uniform vec4 u_color;\n"
+    "void main() {\n"
+    "  gl_FragColor = u_color;\n"
+    "}\n"
+};
+
+static FragmentTest fpGradient = {
+	"Solid gradient", 0,
+
+    "precision mediump float;\n"
+    "varying lowp vec4 v_color;\n"
+    "void main() {\n"
+    "  gl_FragColor = v_color;\n"
+    "}\n"
+};
+
+static FragmentTest fpCopyTex = {
+	"Texture copy", 1,
+
+    "precision mediump float;\n"
+    "varying vec2 v_tex0;\n"
+    "uniform sampler2D u_tex0;\n"
+    "void main() {\n"
+    "  gl_FragColor = texture2D(u_tex0, v_tex0);\n"
+    "}\n"
+};
+
+static FragmentTest fpCopyTexGamma = {
+	"Texture copy with gamma", 1,
+
+    "precision mediump float;\n"
+    "varying vec2 v_tex0;\n"
+    "uniform sampler2D u_tex0;\n"
+    "void main() {\n"
+    "  vec4 t = texture2D(u_tex0, v_tex0);\n"
+    "  t.rgb = pow(t.rgb, vec3(1.4, 1.4, 1.4));\n"
+    "  gl_FragColor = t;\n"
+    "}\n"
+};
+
+static FragmentTest fpTexSpec = {
+	"Texture spec", 1,
+
+    "precision mediump float;\n"
+    "varying vec2 v_tex0;\n"
+    "uniform sampler2D u_tex0;\n"
+    "void main() {\n"
+    "  vec4 t = texture2D(u_tex0, v_tex0);\n"
+    "  float simSpec = dot(gl_FragCoord.xyz, gl_FragCoord.xyz);\n"
+    "  simSpec = pow(clamp(simSpec, 0.1, 1.0), 40.0);\n"
+    "  gl_FragColor = t + vec4(simSpec, simSpec, simSpec, simSpec);\n"
+    "}\n"
+};
+
+static FragmentTest fpDepTex = {
+	"Dependent Lookup", 1,
+
+    "precision mediump float;\n"
+    "varying vec2 v_tex0;\n"
+    "uniform sampler2D u_tex0;\n"
+    "void main() {\n"
+    "  vec4 t = texture2D(u_tex0, v_tex0);\n"
+    "  t += texture2D(u_tex0, t.xy);\n"
+    "  gl_FragColor = t;\n"
+    "}\n"
+};
+
+static FragmentTest fpModulateConstantTex = {
+	"Texture modulate constant", 1,
+
+    "precision mediump float;\n"
+    "varying vec2 v_tex0;\n"
+    "uniform sampler2D u_tex0;\n"
+    "uniform vec4 u_color;\n"
+
+    "void main() {\n"
+    "  lowp vec4 c = texture2D(u_tex0, v_tex0);\n"
+	"  c *= u_color;\n"
+    "  gl_FragColor = c;\n"
+    "}\n"
+};
+
+static FragmentTest fpModulateVaryingTex = {
+	"Texture modulate gradient", 1,
+
+    "precision mediump float;\n"
+    "varying vec2 v_tex0;\n"
+    "varying lowp vec4 v_color;\n"
+    "uniform sampler2D u_tex0;\n"
+
+    "void main() {\n"
+    "  lowp vec4 c = texture2D(u_tex0, v_tex0);\n"
+	"  c *= v_color;\n"
+    "  gl_FragColor = c;\n"
+    "}\n"
+};
+
+static FragmentTest fpModulateVaryingConstantTex = {
+	"Texture modulate gradient constant", 1,
+
+    "precision mediump float;\n"
+    "varying vec2 v_tex0;\n"
+    "varying lowp vec4 v_color;\n"
+    "uniform sampler2D u_tex0;\n"
+    "uniform vec4 u_color;\n"
+
+    "void main() {\n"
+    "  lowp vec4 c = texture2D(u_tex0, v_tex0);\n"
+	"  c *= v_color;\n"
+	"  c *= u_color;\n"
+    "  gl_FragColor = c;\n"
+    "}\n"
+};
+
+static FragmentTest *gFragmentTests[] = {
+	&fpFill,
+	&fpGradient,
+	&fpCopyTex,
+	&fpCopyTexGamma,
+   &fpTexSpec,
+   &fpDepTex,
+	&fpModulateConstantTex,
+	&fpModulateVaryingTex,
+	&fpModulateVaryingConstantTex,
+
+};
+
+static const size_t gFragmentTestCount = sizeof(gFragmentTests) / sizeof(gFragmentTests[0]);