[Piglit] [PATCH] Implement piglits for OES_draw_elements_base_vertex

Dylan Baker baker.dylan.c at gmail.com
Sun Nov 1 20:38:54 PST 2015


This one is missing all.py, no?
On Oct 30, 2015 12:23, "Ryan Houdek" <sonicadvance1 at gmail.com> wrote:

> ---
>  tests/spec/CMakeLists.txt                          |   1 +
>  .../CMakeLists.gles2.txt                           |  14 ++
>  .../oes_draw_elements_base_vertex/CMakeLists.txt   |   1 +
>  .../drawelements-instanced.c                       | 190
> +++++++++++++++++++++
>  .../oes_draw_elements_base_vertex/drawelements.c   | 181
> ++++++++++++++++++++
>  .../drawrangeelements.c                            | 143 ++++++++++++++++
>  .../multidrawelements.c                            | 175
> +++++++++++++++++++
>  7 files changed, 705 insertions(+)
>  create mode 100644
> tests/spec/oes_draw_elements_base_vertex/CMakeLists.gles2.txt
>  create mode 100644 tests/spec/oes_draw_elements_base_vertex/CMakeLists.txt
>  create mode 100644
> tests/spec/oes_draw_elements_base_vertex/drawelements-instanced.c
>  create mode 100644 tests/spec/oes_draw_elements_base_vertex/drawelements.c
>  create mode 100644
> tests/spec/oes_draw_elements_base_vertex/drawrangeelements.c
>  create mode 100644
> tests/spec/oes_draw_elements_base_vertex/multidrawelements.c
>
> diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
> index 61f013a..eeedc4c 100644
> --- a/tests/spec/CMakeLists.txt
> +++ b/tests/spec/CMakeLists.txt
> @@ -135,3 +135,4 @@ add_subdirectory (arb_vertex_attrib_64bit)
>  add_subdirectory (ext_framebuffer_blit)
>  add_subdirectory (mesa_pack_invert)
>  add_subdirectory (ext_texture_format_bgra8888)
> +add_subdirectory (oes_draw_elements_base_vertex)
> diff --git a/tests/spec/oes_draw_elements_base_vertex/CMakeLists.gles2.txt
> b/tests/spec/oes_draw_elements_base_vertex/CMakeLists.gles2.txt
> new file mode 100644
> index 0000000..bd50394
> --- /dev/null
> +++ b/tests/spec/oes_draw_elements_base_vertex/CMakeLists.gles2.txt
> @@ -0,0 +1,14 @@
> +include_directories(
> +       ${GLEXT_INCLUDE_DIR}
> +       ${OPENGL_INCLUDE_PATH}
> +)
> +
> +link_libraries (
> +       piglitutil_${piglit_target_api}
> +       ${OPENGL_gl_LIBRARY}
> +)
> +
> +piglit_add_executable (oes_draw_elements_base_vertex-drawelements
> drawelements.c)
> +piglit_add_executable (oes_draw_elements_base_vertex-drawrangeelements
> drawrangeelements.c)
> +piglit_add_executable
> (oes_draw_elements_base_vertex-drawelements-instanced
> drawelements-instanced.c)
> +piglit_add_executable (oes_draw_elements_base_vertex-multidrawelements
> multidrawelements.c)
> diff --git a/tests/spec/oes_draw_elements_base_vertex/CMakeLists.txt
> b/tests/spec/oes_draw_elements_base_vertex/CMakeLists.txt
> new file mode 100644
> index 0000000..144a306
> --- /dev/null
> +++ b/tests/spec/oes_draw_elements_base_vertex/CMakeLists.txt
> @@ -0,0 +1 @@
> +piglit_include_target_api()
> diff --git
> a/tests/spec/oes_draw_elements_base_vertex/drawelements-instanced.c
> b/tests/spec/oes_draw_elements_base_vertex/drawelements-instanced.c
> new file mode 100644
> index 0000000..71cfc29
> --- /dev/null
> +++ b/tests/spec/oes_draw_elements_base_vertex/drawelements-instanced.c
> @@ -0,0 +1,190 @@
> +/*
> + *
> + * 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.
> + *
> + */
> +
> +/* Tests OES_draw_elements_base_vertex functionality by drawing a
> checkerboard
> + * of quads using different base vertices using the same vertex and
> + * index buffers and instancing
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +       config.supports_gl_es_version = 30;
> +
> +       config.window_width = 300;
> +       config.window_height = 300;
> +       config.window_visual = PIGLIT_GL_VISUAL_RGB |
> PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +#define NUM_QUADS 10
> +const GLfloat inc_amount = 2.0 / NUM_QUADS;
> +const int window_width = 300;
> +const int window_height = 300;
> +
> +const char *vs_source = {
> +       "#version 300 es\n"
> +       "in vec2 vertex;\n"
> +       "in float xOffsetPerInstance;\n"
> +       "void main() {\n"
> +       "       vec2 p = vertex;\n"
> +       "       p.y -= 1.0 * float(gl_InstanceID);\n"
> +       "       p.x += xOffsetPerInstance * float(gl_InstanceID);\n"
> +       "       gl_Position = vec4(p, 0, 1);\n"
> +       "}\n"
> +};
> +
> +const char *fs_source = {
> +       "#version 300 es\n"
> +       "out highp vec4 ocol;\n"
> +       "void main() {\n"
> +       "       ocol = vec4(1, 1, 1, 1);\n"
> +       "}\n"
> +};
> +
> +static GLushort indices[] = {
> +       0, 1, 2, 1, 2, 3
> +};
> +static GLsizei indices_size = sizeof(indices);
> +
> +static GLuint vao;
> +static GLuint vertexBuffer;
> +static GLuint indexBuffer;
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> +       piglit_require_extension("GL_OES_draw_elements_base_vertex");
> +
> +       GLuint program;
> +       GLuint vertex_index;
> +       GLuint xoffset_index;
> +
> +       GLfloat* vertices = malloc(4 * 2 * NUM_QUADS * sizeof(GLfloat));
> +       GLsizei vertices_size = 4 * 2 * NUM_QUADS * sizeof(GLfloat);
> +
> +       // Generate a checkerboard pattern
> +       // |x x x x x |
> +       // | x x x x x|
> +       int i;
> +       for (i = 0; i < NUM_QUADS; ++i)
> +       {
> +               GLfloat xoffset, yoffset;
> +               GLfloat x[4], y[4];
> +
> +               xoffset = inc_amount * i - 1.0;
> +               yoffset = 1.0;
> +
> +               // Top-left
> +               x[0] = xoffset;
> +               y[0] = yoffset;
> +
> +               // Top-right
> +               x[1] = xoffset + inc_amount / 2.0;
> +               y[1] = yoffset;
> +
> +               // Bottom-left
> +               x[2] = xoffset;
> +               y[2] = yoffset - 1.0;
> +
> +               // Bottom-right
> +               x[3] = xoffset + inc_amount / 2.0;
> +               y[3] = yoffset - 1.0;
> +
> +               vertices[i * 8 + 0] = x[0];
> +               vertices[i * 8 + 1] = y[0];
> +
> +               vertices[i * 8 + 2] = x[1];
> +               vertices[i * 8 + 3] = y[1];
> +
> +               vertices[i * 8 + 4] = x[2];
> +               vertices[i * 8 + 5] = y[2];
> +
> +               vertices[i * 8 + 6] = x[3];
> +               vertices[i * 8 + 7] = y[3];
> +       }
> +
> +       /* Create program */
> +       program = piglit_build_simple_program(vs_source, fs_source);
> +       glUseProgram(program);
> +
> +       /* Gen vertex array buffer */
> +       glGenBuffers(1, &vertexBuffer);
> +       glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
> +       glBufferData(GL_ARRAY_BUFFER, vertices_size, vertices,
> GL_STATIC_DRAW);
> +
> +       /* Gen indices array buffer */
> +       glGenBuffers(1, &indexBuffer);
> +       glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
> +       glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices_size,
> +                    indices, GL_STATIC_DRAW);
> +
> +       /* Gen VAO */
> +       glGenVertexArrays(1, &vao);
> +       glBindVertexArray(vao);
> +
> +       xoffset_index = glGetAttribLocation(program, "xOffsetPerInstance");
> +       glVertexAttrib1f(xoffset_index, inc_amount / 2.0);
> +
> +       /* Retrieve indices from vs */
> +       vertex_index = glGetAttribLocation(program, "vertex");
> +
> +       /* Enable vertex attrib array */
> +       glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
> +       glEnableVertexAttribArray(vertex_index);
> +       glVertexAttribPointer(vertex_index, 2, GL_FLOAT, GL_FALSE, 0, 0);
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> +       GLboolean pass = GL_TRUE;
> +       float white[] = {1.0, 1.0, 1.0, 1.0};
> +       int i;
> +
> +       glClear(GL_COLOR_BUFFER_BIT);
> +
> +       glBindVertexArray(vao);
> +       glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
> +
> +       for (i = 0; i < NUM_QUADS; ++i)
> +               glDrawElementsInstancedBaseVertexOES(GL_TRIANGLES, 6,
> GL_UNSIGNED_SHORT, NULL, 2, i * 4);
> +
> +       for (i = 0; i < (NUM_QUADS * 2); ++i)
> +       {
> +               GLfloat xoffset[2], yoffset[2];
> +
> +               xoffset[0] = inc_amount * i / 4.0 * window_width;
> +               xoffset[1] = inc_amount * (i + 1) / 4.0 * window_width;
> +               yoffset[0] = (i % 2 ? 0.0 : 0.5) * window_height;
> +               yoffset[1] = yoffset[0] + window_height / 2;
> +
> +               pass = piglit_probe_rect_rgba(xoffset[0], yoffset[0],
> +                       xoffset[1] - xoffset[0], yoffset[1] - yoffset[0],
> white) && pass;
> +       }
> +
> +       piglit_present_results();
> +
> +       return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> diff --git a/tests/spec/oes_draw_elements_base_vertex/drawelements.c
> b/tests/spec/oes_draw_elements_base_vertex/drawelements.c
> new file mode 100644
> index 0000000..0333d8e
> --- /dev/null
> +++ b/tests/spec/oes_draw_elements_base_vertex/drawelements.c
> @@ -0,0 +1,181 @@
> +/*
> + *
> + * 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.
> + *
> + */
> +
> +/* Tests OES_draw_elements_base_vertex functionality by drawing a
> checkerboard
> + * of quads using different base vertices using the same vertex and
> + * index buffers
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +       config.supports_gl_es_version = 20;
> +
> +       config.window_width = 300;
> +       config.window_height = 300;
> +       config.window_visual = PIGLIT_GL_VISUAL_RGB |
> PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +#define NUM_QUADS 10
> +const GLfloat inc_amount = 2.0 / NUM_QUADS;
> +const int window_width = 300;
> +const int window_height = 300;
> +
> +const char *vs_source = {
> +       "#version 100\n"
> +       "attribute vec2 vertex;\n"
> +       "void main() {\n"
> +       "       gl_Position = vec4(vertex.xy, 0, 1);\n"
> +       "}\n"
> +};
> +
> +const char *fs_source = {
> +       "#version 100\n"
> +       "void main() {\n"
> +       "       gl_FragColor = vec4(1, 1, 1, 1);\n"
> +       "}\n"
> +};
> +
> +static GLushort indices[] = {
> +       0, 1, 2, 1, 2, 3
> +};
> +static GLsizei indices_size = sizeof(indices);
> +
> +static GLuint vao;
> +static GLuint vertexBuffer;
> +static GLuint indexBuffer;
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> +       piglit_require_extension("GL_OES_draw_elements_base_vertex");
> +
> +       GLuint program;
> +       GLuint vertex_index;
> +
> +       GLfloat* vertices = malloc(4 * 2 * NUM_QUADS * sizeof(GLfloat));
> +       GLsizei vertices_size = 4 * 2 * NUM_QUADS * sizeof(GLfloat);
> +
> +       // Generate a checkerboard pattern
> +       // |x x x x x |
> +       // | x x x x x|
> +       int i;
> +       for (i = 0; i < NUM_QUADS; ++i)
> +       {
> +               GLfloat xoffset, yoffset;
> +               GLfloat x[4], y[4];
> +
> +               xoffset = inc_amount * i - 1.0;
> +               yoffset = i % 2 ? 0.0 : 1.0;
> +
> +               // Top-left
> +               x[0] = xoffset;
> +               y[0] = yoffset;
> +
> +               // Top-right
> +               x[1] = xoffset + inc_amount;
> +               y[1] = yoffset;
> +
> +               // Bottom-left
> +               x[2] = xoffset;
> +               y[2] = yoffset - 1.0;
> +
> +               // Bottom-right
> +               x[3] = xoffset + inc_amount;
> +               y[3] = yoffset - 1.0;
> +
> +               vertices[i * 8 + 0] = x[0];
> +               vertices[i * 8 + 1] = y[0];
> +
> +               vertices[i * 8 + 2] = x[1];
> +               vertices[i * 8 + 3] = y[1];
> +
> +               vertices[i * 8 + 4] = x[2];
> +               vertices[i * 8 + 5] = y[2];
> +
> +               vertices[i * 8 + 6] = x[3];
> +               vertices[i * 8 + 7] = y[3];
> +       }
> +
> +       /* Create program */
> +       program = piglit_build_simple_program(vs_source, fs_source);
> +       glUseProgram(program);
> +
> +       /* Gen vertex array buffer */
> +       glGenBuffers(1, &vertexBuffer);
> +       glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
> +       glBufferData(GL_ARRAY_BUFFER, vertices_size, vertices,
> GL_STATIC_DRAW);
> +
> +       /* Gen indices array buffer */
> +       glGenBuffers(1, &indexBuffer);
> +       glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
> +       glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices_size,
> +                    indices, GL_STATIC_DRAW);
> +
> +       /* Gen VAO */
> +       glGenVertexArrays(1, &vao);
> +       glBindVertexArray(vao);
> +
> +       /* Retrieve indices from vs */
> +       vertex_index = glGetAttribLocation(program, "vertex");
> +
> +       /* Enable vertex attrib array */
> +       glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
> +       glEnableVertexAttribArray(vertex_index);
> +       glVertexAttribPointer(vertex_index, 2, GL_FLOAT, GL_FALSE, 0, 0);
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> +       GLboolean pass = GL_TRUE;
> +       float white[] = {1.0, 1.0, 1.0, 1.0};
> +       int i;
> +
> +       glClear(GL_COLOR_BUFFER_BIT);
> +
> +       glBindVertexArray(vao);
> +       glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
> +
> +       for (i = 0; i < NUM_QUADS; ++i)
> +               glDrawElementsBaseVertexOES(GL_TRIANGLES, 6,
> GL_UNSIGNED_SHORT, NULL, i * 4);
> +
> +       for (i = 0; i < NUM_QUADS; ++i)
> +       {
> +               GLfloat xoffset[2], yoffset[2];
> +
> +               xoffset[0] = inc_amount * i / 2.0 * window_width;
> +               xoffset[1] = inc_amount * (i + 1) / 2.0 * window_width;
> +               yoffset[0] = (i % 2 ? 0.0 : 0.5) * window_height;
> +               yoffset[1] = yoffset[0] + window_height / 2;
> +
> +               pass = piglit_probe_rect_rgba(xoffset[0], yoffset[0],
> +                       xoffset[1] - xoffset[0], yoffset[1] - yoffset[0],
> white) && pass;
> +       }
> +
> +       piglit_present_results();
> +
> +       return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> diff --git a/tests/spec/oes_draw_elements_base_vertex/drawrangeelements.c
> b/tests/spec/oes_draw_elements_base_vertex/drawrangeelements.c
> new file mode 100644
> index 0000000..6042c72
> --- /dev/null
> +++ b/tests/spec/oes_draw_elements_base_vertex/drawrangeelements.c
> @@ -0,0 +1,143 @@
> +/*
> + *
> + * 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.
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +       config.supports_gl_es_version = 30;
> +
> +       config.window_width  = 200;
> +       config.window_height = 200;
> +       config.window_visual = PIGLIT_GL_VISUAL_RGB |
> PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +const char *vs_source = {
> +       "#version 300 es\n"
> +       "in vec2 vertex;\n"
> +       "void main() {\n"
> +       "       gl_Position = vec4(vertex.xy, 0, 1);\n"
> +       "}\n"
> +};
> +
> +const char *fs_source = {
> +       "#version 300 es\n"
> +       "out highp vec4 ocol;\n"
> +       "void main() {\n"
> +       "       ocol = vec4(0, 1, 0, 1);\n"
> +       "}\n"
> +};
> +
> +static GLuint vao;
> +static GLuint vertexBuffer;
> +static GLuint indexBuffer;
> +
> +/* sets of two (x,y) */
> +static GLfloat vertices[] = {
> +       -1.0, 1.0,
> +        1.0, 1.0,
> +       -1.0, 0.5,
> +        1.0, 0.5,
> +       -1.0, 0.0,
> +        1.0, 0.0,
> +       -1.0,-0.5,
> +        1.0,-0.5,
> +       -1.0,-1.0,
> +        1.0,-1.0
> +};
> +static GLsizei vertices_size = sizeof(vertices);
> +
> +static GLushort indices[] = {
> +       0, 1, 2, 1, 2, 3, /* Top Quad */
> +       4, 5, 6, 5, 6, 7, /* Bot Quad */
> +};
> +static GLsizei indices_size = sizeof(indices);
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> +       GLuint program;
> +       GLuint vertex_index;
> +
> +       piglit_require_extension("GL_OES_draw_elements_base_vertex");
> +
> +       /* Create program */
> +       program = piglit_build_simple_program(vs_source, fs_source);
> +       glUseProgram(program);
> +
> +       /* Gen vertex array buffer */
> +       glGenBuffers(1, &vertexBuffer);
> +       glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
> +       glBufferData(GL_ARRAY_BUFFER, vertices_size, vertices,
> GL_STATIC_DRAW);
> +
> +       /* Gen indices array buffer */
> +       glGenBuffers(1, &indexBuffer);
> +       glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
> +       glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices_size,
> +                    indices, GL_STATIC_DRAW);
> +
> +       /* Gen VAO */
> +       glGenVertexArrays(1, &vao);
> +       glBindVertexArray(vao);
> +
> +       /* Retrieve indices from vs */
> +       vertex_index = glGetAttribLocation(program, "vertex");
> +
> +       /* Enable vertex attrib array */
> +       glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
> +       glEnableVertexAttribArray(vertex_index);
> +       glVertexAttribPointer(vertex_index, 2, GL_FLOAT, GL_FALSE, 0, 0);
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> +       bool pass = true;
> +
> +       float green[] = {0, 1, 0, 1};
> +       float blue[] = {0, 0, 1, 1};
> +
> +       glClearColor(blue[0], blue[1], blue[2], 1.0);
> +       glClear(GL_COLOR_BUFFER_BIT);
> +
> +       glBindVertexArray(vao);
> +       glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
> +
> +        /* Top Quad */
> +       glDrawRangeElementsBaseVertexOES(GL_TRIANGLES, 0, 3, 6,
> GL_UNSIGNED_SHORT,
> +                                     NULL, 0);
> +
> +       /* Bot Quad */
> +       glDrawRangeElementsBaseVertexOES(GL_TRIANGLES, 4, 7, 6,
> GL_UNSIGNED_SHORT,
> +                                     (GLvoid *)(sizeof(GLushort)*6), 2);
> +
> +       /* Check for test pass */
> +       pass = piglit_probe_pixel_rgba(100, 175, green) && pass;
> +       pass = piglit_probe_pixel_rgba(100, 125, blue) && pass;
> +       pass = piglit_probe_pixel_rgba(100,  75, blue) && pass;
> +       pass = piglit_probe_pixel_rgba(100,  25, green) && pass;
> +
> +       piglit_present_results();
> +
> +       return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> diff --git a/tests/spec/oes_draw_elements_base_vertex/multidrawelements.c
> b/tests/spec/oes_draw_elements_base_vertex/multidrawelements.c
> new file mode 100644
> index 0000000..8b6d5c0
> --- /dev/null
> +++ b/tests/spec/oes_draw_elements_base_vertex/multidrawelements.c
> @@ -0,0 +1,175 @@
> +/*
> + *
> + * 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.
> + *
> + */
> +
> +/**
> + *
> + *    (0)-------(1)    Set up indices for quad 1 and 3.
> + *     |    1    |
> + *    (2)-------(3)    Use a basevertex of 2 to shift
> + *     |    2    |     indices from quad 1 to 2 and
> + *    (4)-------(5)    from quad 3 to 4
> + *     |    3    |
> + *    (6)-------(7)    End result 1 and 3 should be
> + *     |    4    |     blue while 2 and 4 are green.
> + *    (8)-------(9)
> + *
> + *
> + * MultiDrawElementsBaseVertex behaves identically to
> + * DrawElementsBaseVertex, except that primcount separate
> + * lists of elements are specified instead. It has the
> + * same effect as:
> + *
> + * for (int i = 0; i < primcount ; i++)
> + *     if (count[i] > 0)
> + *         DrawElementsBaseVertex(mode, count[i], type,
> + *                               indices[i], basevertex[i]);
> + *
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +       config.supports_gl_es_version = 20;
> +
> +       config.window_width  = 200;
> +       config.window_height = 200;
> +       config.window_visual = PIGLIT_GL_VISUAL_RGB |
> PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +const char *vs_source = {
> +       "#version 100\n"
> +       "attribute vec2 vertex;\n"
> +       "void main() {\n"
> +       "       gl_Position = vec4(vertex.xy, 0, 1);\n"
> +       "}\n"
> +};
> +
> +const char *fs_source = {
> +       "#version 100\n"
> +       "void main() {\n"
> +       "       gl_FragColor = vec4(0, 1, 0, 1);\n"
> +       "}\n"
> +};
> +static GLuint vao;
> +static GLuint vertexBuffer;
> +static GLuint indexBuffer;
> +
> +/*
> + * sets of two (x,y)
> + */
> +static GLfloat vertices[] = {
> +       -1.0, 1.0,
> +        1.0, 1.0,
> +       -1.0, 0.5,
> +        1.0, 0.5,
> +       -1.0, 0.0,
> +        1.0, 0.0,
> +       -1.0,-0.5,
> +        1.0,-0.5,
> +       -1.0,-1.0,
> +        1.0,-1.0
> +};
> +static GLsizei vertices_size = sizeof(vertices);
> +
> +static GLushort indices[] = {
> +       0, 1, 2, 1, 2, 3, /* top square */
> +       4, 5, 6, 5, 6, 7, /* bot square */
> +};
> +static GLsizei indices_size = sizeof(indices);
> +
> +static const GLvoid * const indices_offset[] = {
> +       (GLvoid*) 0, (GLvoid*)(6 * sizeof(GLushort))
> +};
> +static GLsizei indices_count[] = {
> +       6, 6
> +};
> +
> +static GLint basevertex[] = { 2, 2 };
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> +       GLuint program;
> +       GLuint vertex_index;
> +
> +       piglit_require_extension("GL_OES_draw_elements_base_vertex");
> +       piglit_require_extension("GL_EXT_multi_draw_arrays");
> +
> +       /* Create program */
> +       program = piglit_build_simple_program(vs_source, fs_source);
> +       glUseProgram(program);
> +
> +       /* Gen vertex array buffer */
> +       glGenBuffers(1, &vertexBuffer);
> +       glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
> +       glBufferData(GL_ARRAY_BUFFER, vertices_size, vertices,
> GL_STATIC_DRAW);
> +
> +       /* Gen indices array buffer */
> +       glGenBuffers(1, &indexBuffer);
> +       glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
> +       glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices_size,
> +                    indices, GL_STATIC_DRAW);
> +
> +       /* Gen VAO */
> +       glGenVertexArrays(1, &vao);
> +       glBindVertexArray(vao);
> +
> +       /* Retrieve indices from vs */
> +       vertex_index = glGetAttribLocation(program, "vertex");
> +
> +       /* Enable vertex attrib array */
> +       glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
> +       glEnableVertexAttribArray(vertex_index);
> +       glVertexAttribPointer(vertex_index, 2, GL_FLOAT, GL_FALSE, 0, 0);
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> +       bool pass = true;
> +
> +       float green[] = {0, 1, 0, 1};
> +       float blue[] = {0, 0, 1, 1};
> +
> +       glClearColor(blue[0], blue[1], blue[2], 1.0);
> +       glClear(GL_COLOR_BUFFER_BIT);
> +
> +       glBindVertexArray(vao);
> +       glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
> +
> +       glMultiDrawElementsBaseVertexEXT(GL_TRIANGLES, indices_count,
> +                                        GL_UNSIGNED_SHORT,
> (GLvoid*)indices_offset,
> +                                                  2, basevertex);
> +
> +       /* Check for test pass */
> +       pass = piglit_probe_pixel_rgba(100, 175, blue) && pass;
> +       pass = piglit_probe_pixel_rgba(100, 125, green) && pass;
> +       pass = piglit_probe_pixel_rgba(100,  75, blue) && pass;
> +       pass = piglit_probe_pixel_rgba(100,  25, green) && pass;
> +
> +       piglit_present_results();
> +
> +       return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> --
> 1.9.1
>
> _______________________________________________
> Piglit mailing list
> Piglit at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/piglit
>
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