[Piglit] [PATCH] Add tests for GL_ARB_shader_draw_parameters
Kristian Høgsberg
hoegsberg at gmail.com
Wed Dec 16 10:18:13 PST 2015
From: Kristian Høgsberg Kristensen <kristian.h.kristensen at intel.com>
---
tests/spec/CMakeLists.txt | 1 +
.../arb_shader_draw_parameters/CMakeLists.gl.txt | 15 ++
.../spec/arb_shader_draw_parameters/CMakeLists.txt | 1 +
.../spec/arb_shader_draw_parameters/baseinstance.c | 164 +++++++++++++++++++++
tests/spec/arb_shader_draw_parameters/basevertex.c | 128 ++++++++++++++++
.../arb_shader_draw_parameters/drawid-vertexid.c | 164 +++++++++++++++++++++
tests/spec/arb_shader_draw_parameters/drawid.c | 161 ++++++++++++++++++++
7 files changed, 634 insertions(+)
create mode 100644 tests/spec/arb_shader_draw_parameters/CMakeLists.gl.txt
create mode 100644 tests/spec/arb_shader_draw_parameters/CMakeLists.txt
create mode 100644 tests/spec/arb_shader_draw_parameters/baseinstance.c
create mode 100644 tests/spec/arb_shader_draw_parameters/basevertex.c
create mode 100644 tests/spec/arb_shader_draw_parameters/drawid-vertexid.c
create mode 100644 tests/spec/arb_shader_draw_parameters/drawid.c
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index 57b6878..4c519b1 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -138,3 +138,4 @@ add_subdirectory (mesa_pack_invert)
add_subdirectory (ext_texture_format_bgra8888)
add_subdirectory (oes_draw_elements_base_vertex)
add_subdirectory (arb_query_buffer_object)
+add_subdirectory (arb_shader_draw_parameters)
diff --git a/tests/spec/arb_shader_draw_parameters/CMakeLists.gl.txt b/tests/spec/arb_shader_draw_parameters/CMakeLists.gl.txt
new file mode 100644
index 0000000..5396484
--- /dev/null
+++ b/tests/spec/arb_shader_draw_parameters/CMakeLists.gl.txt
@@ -0,0 +1,15 @@
+include_directories(
+ ${GLEXT_INCLUDE_DIR}
+ ${OPENGL_INCLUDE_PATH}
+ ${piglit_SOURCE_DIR}/tests/mesa/util
+)
+
+link_libraries (
+ piglitutil_${piglit_target_api}
+ ${OPENGL_gl_LIBRARY}
+)
+
+piglit_add_executable (basevertex basevertex.c)
+piglit_add_executable (baseinstance baseinstance.c)
+piglit_add_executable (drawid drawid.c)
+piglit_add_executable (drawid-vertexid drawid-vertexid.c)
diff --git a/tests/spec/arb_shader_draw_parameters/CMakeLists.txt b/tests/spec/arb_shader_draw_parameters/CMakeLists.txt
new file mode 100644
index 0000000..144a306
--- /dev/null
+++ b/tests/spec/arb_shader_draw_parameters/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
diff --git a/tests/spec/arb_shader_draw_parameters/baseinstance.c b/tests/spec/arb_shader_draw_parameters/baseinstance.c
new file mode 100644
index 0000000..17ccc36
--- /dev/null
+++ b/tests/spec/arb_shader_draw_parameters/baseinstance.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file baseinstance.c
+ *
+ * Test that gl_BaseInstanceARB has the correct values. Draw left side
+ * of window with a non-instanced draw call to verify
+ * gl_BaseInstanceARB is 0 in that case, then draw other half with
+ * base instance 7 and verifies that that works.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_core_version = 31;
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char vs_text[] =
+ "#version 330\n"
+ "#extension GL_ARB_shader_draw_parameters: require\n"
+ "\n"
+ "/* This is floating point so we can use immediate mode */\n"
+ "layout(location = 0) in vec2 pos;\n"
+ "layout(location = 1) in vec4 in_color;\n"
+ "out vec4 color;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_Position = vec4(pos, 0.0, 1.0);\n"
+ " color = vec4(equal(vec4(gl_BaseInstanceARB), in_color));\n"
+ "}\n";
+
+static const char fs_text[] =
+ "#version 130\n"
+ "\n"
+ "in vec4 color;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = color;\n"
+ "}\n";
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint prog;
+
+ piglit_require_GLSL_version(130);
+
+ piglit_require_extension("GL_ARB_shader_draw_parameters");
+ piglit_require_extension("GL_ARB_base_instance");
+
+ prog = piglit_build_simple_program(vs_text, fs_text);
+
+ glUseProgram(prog);
+}
+
+enum piglit_result
+piglit_display()
+{
+ bool pass;
+
+ struct {
+ float vertex_array[16];
+ float color_array[32];
+ int indices[6];
+ } geometry = {
+ .vertex_array = {
+ -1, -1,
+ 0, -1,
+ 0, 1,
+ -1, 1,
+
+ 0, -1,
+ 1, -1,
+ 1, 1,
+ 0, 1,
+ },
+ .color_array = {
+ 0.5, 0.0, 0.5, 0.5,
+ 0.5, 0.0, 0.5, 0.5,
+ 0.5, 0.0, 0.5, 0.5,
+ 0.5, 0.0, 0.5, 0.5,
+
+ 0.5, 7.0, 0.5, 0.5,
+ 0.5, 7.0, 0.5, 0.5,
+ 0.5, 7.0, 0.5, 0.5,
+ 0.5, 7.0, 0.5, 0.5,
+ }
+ };
+
+ const int indices[6] = {
+ 0, 1, 2,
+ 0, 2, 3,
+ };
+
+ float green[] = {0, 1, 0, 0};
+
+ GLuint vao, vbo;
+ glGenVertexArrays(1, &vao);
+ glBindVertexArray(vao);
+
+ glGenBuffers(1, &vbo);
+ glBindBuffer(GL_ARRAY_BUFFER, vbo);
+ glBufferData(GL_ARRAY_BUFFER, sizeof(geometry), &geometry, GL_STATIC_DRAW);
+
+ glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE,
+ 2 * sizeof(GLfloat),
+ (void *) ((char *) &geometry.vertex_array - (char *) &geometry));
+
+ glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE,
+ 4 * sizeof(GLfloat),
+ (void *) ((char *) &geometry.color_array - (char *) &geometry));
+
+ /* Enable the attributes */
+ glEnableVertexAttribArray(0);
+ glEnableVertexAttribArray(1);
+
+ glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, indices);
+
+ /* We use this monster to draw the right half of the
+ * window. Base vertex so that we can reuse the indices to
+ * draw with vertices and colors 4-7, base instance so that we
+ * can verify that the value presented in the shader is
+ * correct. We only draw one instance so the only effect of
+ * instancing is that gl_BaseInstanceARB is 7.
+ */
+ glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, 6,
+ GL_UNSIGNED_INT,
+ indices, 1,
+ 4, /* basevertex */
+ 7 /* baseinstance */);
+
+ pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
+ green);
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
diff --git a/tests/spec/arb_shader_draw_parameters/basevertex.c b/tests/spec/arb_shader_draw_parameters/basevertex.c
new file mode 100644
index 0000000..c60788a
--- /dev/null
+++ b/tests/spec/arb_shader_draw_parameters/basevertex.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file basevertex.c
+ *
+ * Test that gl_BaseVertexARB has the correct values.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 10;
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char vs_text[] =
+ "#version 130\n"
+ "#extension GL_ARB_shader_draw_parameters: require\n"
+ "\n"
+ "/* This is floating point so we can use immediate mode */\n"
+ "out vec4 color;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_Position = gl_Vertex;\n"
+ " color = vec4(equal(vec4(gl_BaseVertexARB), gl_Color));\n"
+ "}\n";
+
+static const char fs_text[] =
+ "#version 130\n"
+ "\n"
+ "in vec4 color;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = color;\n"
+ "}\n";
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint prog;
+
+ piglit_require_GLSL_version(130);
+
+ piglit_require_extension("GL_ARB_shader_draw_parameters");
+
+ prog = piglit_build_simple_program(vs_text, fs_text);
+
+ glUseProgram(prog);
+}
+
+enum piglit_result
+piglit_display()
+{
+ bool pass;
+ float vertex_array[] = {
+ -1, -1,
+ 0, -1,
+ 0, 1,
+ -1, 1,
+
+ 0, -1,
+ 1, -1,
+ 1, 1,
+ 0, 1,
+ };
+ float color_array[] = {
+ 0.5, 0.0, 0.5, 0.5,
+ 0.5, 0.0, 0.5, 0.5,
+ 0.5, 0.0, 0.5, 0.5,
+ 0.5, 0.0, 0.5, 0.5,
+
+ 0.5, 4.0, 0.5, 0.5,
+ 0.5, 4.0, 0.5, 0.5,
+ 0.5, 4.0, 0.5, 0.5,
+ 0.5, 4.0, 0.5, 0.5,
+
+ };
+ int indices[] = {
+ 0, 1, 2,
+ 0, 2, 3,
+ };
+ float green[] = {0, 1, 0, 0};
+
+ glVertexPointer(2, GL_FLOAT, 0, vertex_array);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glColorPointer(4, GL_FLOAT, 0, color_array);
+ glEnableClientState(GL_COLOR_ARRAY);
+
+ glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, indices);
+
+ glDrawElementsBaseVertex(GL_TRIANGLES, 6,
+ GL_UNSIGNED_INT, indices, 4);
+
+ glDisableClientState(GL_COLOR_ARRAY);
+ glDisableClientState(GL_VERTEX_ARRAY);
+
+ pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
+ green);
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
diff --git a/tests/spec/arb_shader_draw_parameters/drawid-vertexid.c b/tests/spec/arb_shader_draw_parameters/drawid-vertexid.c
new file mode 100644
index 0000000..4d6649d
--- /dev/null
+++ b/tests/spec/arb_shader_draw_parameters/drawid-vertexid.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file baseinstance.c
+ *
+ * Test that gl_BaseInstanceARB has the correct values. Draw left side
+ * of window with a non-instanced draw call to verify
+ * gl_BaseInstanceARB is 0 in that case, then draw other half with
+ * base instance 7 and verifies that that works.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_core_version = 31;
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char vs_text[] =
+ "#version 330\n"
+ "#extension GL_ARB_shader_draw_parameters: require\n"
+ "\n"
+ "layout(location = 0) in vec2 pos;\n"
+ "layout(location = 1) in ivec2 reference;\n"
+ "out vec4 color;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_Position = vec4(pos, 0.0, 1.0);\n"
+ " if (reference.x == gl_DrawIDARB &&\n"
+ " reference.y == gl_VertexID)\n"
+ " color = vec4(0, 1, 0, 1);\n"
+ " else\n"
+ " color = vec4(1, 0, 0, 1);\n"
+ "}\n";
+
+static const char fs_text[] =
+ "#version 130\n"
+ "\n"
+ "in vec4 color;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = color;\n"
+ "}\n";
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint prog;
+
+ piglit_require_GLSL_version(130);
+
+ piglit_require_extension("GL_ARB_shader_draw_parameters");
+ piglit_require_extension("GL_ARB_base_instance");
+
+ prog = piglit_build_simple_program(vs_text, fs_text);
+
+ glUseProgram(prog);
+}
+
+enum piglit_result
+piglit_display()
+{
+ bool pass;
+
+ struct {
+ float vertex_array[16];
+ int reference_array[16];
+ int indices[6];
+ } geometry = {
+ .vertex_array = {
+ -1, -1,
+ 0, -1,
+ 0, 1,
+ -1, 1,
+
+ 0, -1,
+ 1, -1,
+ 1, 1,
+ 0, 1,
+ },
+ .reference_array = {
+ 0, 0,
+ 0, 1,
+ 0, 2,
+ 0, 3,
+
+ 1, 4,
+ 1, 5,
+ 1, 6,
+ 1, 7,
+ }
+ };
+
+ const int indices[12] = {
+ 0, 1, 2,
+ 0, 2, 3,
+
+ 4, 5, 6,
+ 4, 6, 7,
+ };
+
+ float green[] = {0, 1, 0, 0};
+
+ GLuint vao, vbo;
+ glGenVertexArrays(1, &vao);
+ glBindVertexArray(vao);
+
+ glGenBuffers(1, &vbo);
+ glBindBuffer(GL_ARRAY_BUFFER, vbo);
+ glBufferData(GL_ARRAY_BUFFER, sizeof(geometry), &geometry, GL_STATIC_DRAW);
+
+ glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE,
+ 2 * sizeof(GLfloat),
+ (void *) ((char *) &geometry.vertex_array - (char *) &geometry));
+
+ glVertexAttribIPointer(1, 2, GL_UNSIGNED_INT,
+ 2 * sizeof(int),
+ (void *) ((char *) &geometry.reference_array - (char *) &geometry));
+
+ /* Enable the attributes */
+ glEnableVertexAttribArray(0);
+ glEnableVertexAttribArray(1);
+
+ GLsizei counts[2] = { 6, 6 };
+ const int *indices_array[2] = { &indices[0], &indices[6] };
+
+ glMultiDrawElements(GL_TRIANGLES,
+ counts,
+ GL_UNSIGNED_INT,
+ (const void **) indices_array,
+ 2);
+
+ pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
+ green);
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
diff --git a/tests/spec/arb_shader_draw_parameters/drawid.c b/tests/spec/arb_shader_draw_parameters/drawid.c
new file mode 100644
index 0000000..6b65eac
--- /dev/null
+++ b/tests/spec/arb_shader_draw_parameters/drawid.c
@@ -0,0 +1,161 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file baseinstance.c
+ *
+ * Test that gl_BaseInstanceARB has the correct values. Draw left side
+ * of window with a non-instanced draw call to verify
+ * gl_BaseInstanceARB is 0 in that case, then draw other half with
+ * base instance 7 and verifies that that works.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_core_version = 31;
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char vs_text[] =
+ "#version 330\n"
+ "#extension GL_ARB_shader_draw_parameters: require\n"
+ "\n"
+ "/* This is floating point so we can use immediate mode */\n"
+ "layout(location = 0) in vec2 pos;\n"
+ "layout(location = 1) in vec4 in_color;\n"
+ "out vec4 color;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_Position = vec4(pos, 0.0, 1.0);\n"
+ " color = vec4(equal(vec4(gl_DrawIDARB), in_color));\n"
+ "}\n";
+
+static const char fs_text[] =
+ "#version 130\n"
+ "\n"
+ "in vec4 color;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = color;\n"
+ "}\n";
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint prog;
+
+ piglit_require_GLSL_version(130);
+
+ piglit_require_extension("GL_ARB_shader_draw_parameters");
+ piglit_require_extension("GL_ARB_base_instance");
+
+ prog = piglit_build_simple_program(vs_text, fs_text);
+
+ glUseProgram(prog);
+}
+
+enum piglit_result
+piglit_display()
+{
+ bool pass;
+
+ struct {
+ float vertex_array[16];
+ float color_array[32];
+ int indices[6];
+ } geometry = {
+ .vertex_array = {
+ -1, -1,
+ 0, -1,
+ 0, 1,
+ -1, 1,
+
+ 0, -1,
+ 1, -1,
+ 1, 1,
+ 0, 1,
+ },
+ .color_array = {
+ 0.5, 0.0, 0.5, 0.5,
+ 0.5, 0.0, 0.5, 0.5,
+ 0.5, 0.0, 0.5, 0.5,
+ 0.5, 0.0, 0.5, 0.5,
+
+ 0.5, 1.0, 0.5, 0.5,
+ 0.5, 1.0, 0.5, 0.5,
+ 0.5, 1.0, 0.5, 0.5,
+ 0.5, 1.0, 0.5, 0.5,
+ }
+ };
+
+ const int indices[12] = {
+ 0, 1, 2,
+ 0, 2, 3,
+
+ 4, 5, 6,
+ 4, 6, 7,
+ };
+
+ float green[] = {0, 1, 0, 0};
+
+ GLuint vao, vbo;
+ glGenVertexArrays(1, &vao);
+ glBindVertexArray(vao);
+
+ glGenBuffers(1, &vbo);
+ glBindBuffer(GL_ARRAY_BUFFER, vbo);
+ glBufferData(GL_ARRAY_BUFFER, sizeof(geometry), &geometry, GL_STATIC_DRAW);
+
+ glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE,
+ 2 * sizeof(GLfloat),
+ (void *) ((char *) &geometry.vertex_array - (char *) &geometry));
+
+ glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE,
+ 4 * sizeof(GLfloat),
+ (void *) ((char *) &geometry.color_array - (char *) &geometry));
+
+ /* Enable the attributes */
+ glEnableVertexAttribArray(0);
+ glEnableVertexAttribArray(1);
+
+ GLsizei counts[2] = { 6, 6 };
+ const int *indices_array[2] = { &indices[0], &indices[6] };
+
+ glMultiDrawElements(GL_TRIANGLES,
+ counts,
+ GL_UNSIGNED_INT,
+ (const void **) indices_array,
+ 2);
+
+ pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
+ green);
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
--
2.6.4
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