[Piglit] [PATCH 08/10] nv_conditional_render: port copytexsubimage-test to gles3

[Erik Faye-Lund]

This test can relatively easily be ported to gles3, so let's do that for
better test-coverage.

Signed-off-by: Erik Faye-Lund <erik.faye-lund at collabora.com>
---
 .../CMakeLists.gles3.txt                      |  1 +
 .../nv_conditional_render/copytexsubimage.c   | 52 +++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/tests/spec/nv_conditional_render/CMakeLists.gles3.txt b/tests/spec/nv_conditional_render/CMakeLists.gles3.txt
index b3ed8a50e..7a7eef651 100644
--- a/tests/spec/nv_conditional_render/CMakeLists.gles3.txt
+++ b/tests/spec/nv_conditional_render/CMakeLists.gles3.txt
@@ -5,5 +5,6 @@ piglit_add_executable (nv_conditional_render-begin-zero_gles3 begin-zero.c)
 piglit_add_executable (nv_conditional_render-blitframebuffer_gles3 blitframebuffer.c)
 piglit_add_executable (nv_conditional_render-clear_gles3 clear.c)
 piglit_add_executable (nv_conditional_render-copyteximage_gles3 copyteximage.c)
+piglit_add_executable (nv_conditional_render-copytexsubimage_gles3 copytexsubimage.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/nv_conditional_render/copytexsubimage.c b/tests/spec/nv_conditional_render/copytexsubimage.c
index 98dcc15ec..d1c463c26 100644
--- a/tests/spec/nv_conditional_render/copytexsubimage.c
+++ b/tests/spec/nv_conditional_render/copytexsubimage.c
@@ -36,12 +36,47 @@
 
 PIGLIT_GL_TEST_CONFIG_BEGIN
 
+#ifdef PIGLIT_USE_OPENGL
 	config.supports_gl_compat_version = 10;
+#else // PIGLIT_USE_OPENGL_ES3
+	config.supports_gl_es_version = 30;
+#endif
+
 	config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
 	config.khr_no_error_support = PIGLIT_NO_ERRORS;
 
 PIGLIT_GL_TEST_CONFIG_END
 
+#ifndef PIGLIT_USE_OPENGL
+
+static const char *vs_source =
+	"attribute vec4 piglit_vertex;\n"
+	"attribute vec4 piglit_texcoord;\n"
+	"varying vec2 uv;\n"
+	"void main()\n"
+	"{\n"
+	"  gl_Position = piglit_vertex;\n"
+	"  uv = piglit_texcoord.xy;\n"
+	"}\n";
+
+static const char *fs_source_green =
+	"void main()\n"
+	"{\n"
+	"  gl_FragColor = vec4(0.0, 1.0, 0.0, 0.0);\n"
+	"}\n";
+
+static const char *fs_source_tex =
+	"uniform sampler2D tex;\n"
+	"varying mediump vec2 uv;\n"
+	"void main()\n"
+	"{\n"
+	"  gl_FragColor = texture2D(tex, uv);\n"
+	"}\n";
+
+static GLint prog_green, prog_tex;
+
+#endif
+
 static void
 fill_tex(int level, int w, int h, const GLubyte *color)
 {
@@ -72,9 +107,15 @@ piglit_display(void)
 	glClear(GL_COLOR_BUFFER_BIT);
 
 	/* Draw bottom half of window to green. */
+#ifdef PIGLIT_USE_OPENGL
 	glColor4fv(green);
+#else
+	glUseProgram(prog_green);
+#endif
 	piglit_draw_rect(-1, -1, 2, 1);
+#ifdef PIGLIT_USE_OPENGL
 	glColor4f(1, 1, 1, 1);
+#endif
 
 	/* Set up a red texture. */
 	glGenTextures(1, &texture);
@@ -99,10 +140,16 @@ piglit_display(void)
 	glEndConditionalRenderNV();
 
 	/* Draw the right half of the texture. */
+#ifdef PIGLIT_USE_OPENGL
 	glEnable(GL_TEXTURE_2D);
+#else
+	glUseProgram(prog_tex);
+#endif
 	piglit_draw_rect_tex(-1, 0, 2, 1,
 			     0.5, 0, 1, 1);
+#ifdef PIGLIT_USE_OPENGL
 	glDisable(GL_TEXTURE_2D);
+#endif
 
 	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
 				      green);
@@ -118,4 +165,9 @@ void
 piglit_init(int argc, char **argv)
 {
 	piglit_require_extension("GL_NV_conditional_render");
+
+	#ifndef PIGLIT_USE_OPENGL
+		prog_green = piglit_build_simple_program(vs_source, fs_source_green);
+		prog_tex = piglit_build_simple_program(vs_source, fs_source_tex);
+	#endif
 }
-- 
2.19.1