On Thu, Feb 26, 2015 at 7:41 AM, Martin Peres <[email protected]> wrote:
> v2: review from Tapani > - add the copyright for Intel > - add some documentation > - set the minimum GL version to 2.0 > - use piglit_build_simple_program_unlinked > > Signed-off-by: Martin Peres <[email protected]> > --- > tests/all.py | 1 + > .../spec/arb_direct_state_access/CMakeLists.gl.txt | 1 + > .../transformfeedback-bufferbase.c | 252 > +++++++++++++++++++++ > 3 files changed, 254 insertions(+) > create mode 100644 > tests/spec/arb_direct_state_access/transformfeedback-bufferbase.c > > diff --git a/tests/all.py b/tests/all.py > index 8b9426a..3f6be98 100644 > --- a/tests/all.py > +++ b/tests/all.py > @@ -3997,6 +3997,7 @@ arb_shader_atomic_counters['unused-result'] = > PiglitGLTest(['arb_shader_atomic_c > arb_shader_atomic_counters['respecify-buffer'] = > PiglitGLTest(['arb_shader_atomic_counters-respecify-buffer'], > run_concurrent=True) > > spec['ARB_direct_state_access']['create-transformfeedbacks'] = > PiglitGLTest(['arb_direct_state_access-create-transformfeedbacks'], > run_concurrent=True) > +spec['ARB_direct_state_access']['transformfeedback-bufferbase'] = > PiglitGLTest(['arb_direct_state_access-transformfeedback-bufferbase'], > run_concurrent=True) > spec['ARB_direct_state_access']['dsa-textures'] = > PiglitGLTest(['arb_direct_state_access-dsa-textures'], run_concurrent=True) > spec['ARB_direct_state_access']['texturesubimage'] = > PiglitGLTest(['arb_direct_state_access-texturesubimage'], > run_concurrent=True) > spec['ARB_direct_state_access']['bind-texture-unit'] = > PiglitGLTest(['arb_direct_state_access-bind-texture-unit'], > run_concurrent=True) > diff --git a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt > b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt > index 3449cb1..e01894f 100644 > --- a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt > +++ b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt > @@ -10,6 +10,7 @@ link_libraries ( > ) > > piglit_add_executable (arb_direct_state_access-create-transformfeedbacks > create-transformfeedbacks.c) > +piglit_add_executable > (arb_direct_state_access-transformfeedback-bufferbase > transformfeedback-bufferbase.c) > piglit_add_executable (arb_direct_state_access-dsa-textures > dsa-textures.c dsa-utils.c) > piglit_add_executable (arb_direct_state_access-texturesubimage > texturesubimage.c) > piglit_add_executable (arb_direct_state_access-bind-texture-unit > bind-texture-unit.c) > diff --git > a/tests/spec/arb_direct_state_access/transformfeedback-bufferbase.c > b/tests/spec/arb_direct_state_access/transformfeedback-bufferbase.c > new file mode 100644 > index 0000000..9d78bd5 > --- /dev/null > +++ b/tests/spec/arb_direct_state_access/transformfeedback-bufferbase.c > @@ -0,0 +1,252 @@ > +/* > + * Copyright © 2014 VMware, Inc. > + * Copyright © 2015 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 transformfeedback-bufferbase.c > + * Simple transform feedback test drawing GL_POINTS and making use of the > + * transform-feedback-related direct state access entry points. > + * > + * Greatly inspired from ext_transform_feedback/points.c. > + * > + * From OpenGL 4.5, section 13.2.2 "Transform Feedback Primitive Capture", > + * page 422: > + * > + * "void TransformFeedbackBufferBase( uint xfb, uint index, uint buffer ); > + * > + * xfb must be zero, indicating the default transform feedback object, or > the > + * name of an existing transform feedback object. buffer must be zero or > the > + * name of an existing buffer object. > + * > + * TransformFeedbackBufferRange and TransformFeedbackBufferBase behave > + * similarly to BindBufferRange and BindBufferBase, respectively, except > + * that the target of the operation is xfb, and they do not affect any > binding > + * to the generic TRANSFORM_FEEDBACK_BUFFER target. > + * > + * Errors > + * An INVALID_OPERATION error is generated if xfb is not zero or the name > + * of an existing transform feedback object. > + * An INVALID_VALUE error is generated if buffer is not zero or the name > of > + * an existing buffer object. > + * An INVALID_VALUE error is generated if index is greater than or equal > + * to the number of binding points for transform feedback, as described > in > + * section 6.7.1. > + * An INVALID_VALUE error is generated by TransformFeedbackBufferRange > + * if offset is negative. > + * An INVALID_VALUE error is generated by TransformFeedbackBufferRange > + * if size is less than or equal to zero. > + * An INVALID_VALUE error is generated by TransformFeedbackBufferRange > + * if offset or size do not satisfy the constraints described for those > + * parameters for transform feedback array bindings, as described in > + * section 6.7.1." > + */ > + > +#include "piglit-util-gl.h" > +#include "dsa-utils.h" > + > +PIGLIT_GL_TEST_CONFIG_BEGIN > + config.supports_gl_compat_version = 20; > + config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | > PIGLIT_GL_VISUAL_RGBA; > +PIGLIT_GL_TEST_CONFIG_END > + > + > +static GLuint prog; > +static GLuint xfb_buf[3], vert_buf; > +static const int xfb_buf_size = 500; > + > +static const char *vstext = { > + "void main() {" > + " gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;" > + " gl_FrontColor = vec4(0.9, 0.8, 0.7, 0.6);" > + "}" > +}; > + > +#define NUM_VERTS 3 > +static const GLfloat verts[NUM_VERTS][3] = > +{ > + {-1.0, 0.2, 0}, > + {0, 0.2, 0}, > + {1, 0.2, 0} > +}; > + > +static const GLfloat verts_ret[NUM_VERTS][3] = > +{ > + {-0.5, 0.1, 0}, > + { 0.0, 0.1, 0}, > + { 0.5, 0.1, 0} > +}; > + > +static const GLfloat color_ret[NUM_VERTS][3] = > +{ > + {0.9, 0.8, 0.7}, > + {0.9, 0.8, 0.7}, > + {0.9, 0.8, 0.7} > +}; > + > +void > +piglit_init(int argc, char **argv) > +{ > + static const char *varyings[] = { "gl_Position", "gl_FrontColor" }; > + > + glMatrixMode(GL_MODELVIEW); > + glLoadIdentity(); > + glScalef(0.5, 0.5, 1.0); > + > + /* Check the driver. */ > + piglit_require_gl_version(20); > + piglit_require_extension("GL_ARB_transform_feedback3"); > + piglit_require_extension("GL_ARB_direct_state_access"); > + > + /* Create shaders. */ > + prog = piglit_build_simple_program_unlinked(vstext, NULL); > + glTransformFeedbackVaryings(prog, 2, varyings, > + GL_SEPARATE_ATTRIBS); > + glLinkProgram(prog); > + if (!piglit_link_check_status(prog)) { > + glDeleteProgram(prog); > + piglit_report_result(PIGLIT_FAIL); > + } > + glUseProgram(prog); > + > + /* Set up the vertex data buffer */ > + glGenBuffers(1, &vert_buf); > + glBindBuffer(GL_ARRAY_BUFFER, vert_buf); > + glBufferData(GL_ARRAY_BUFFER, sizeof(verts), verts, > GL_STATIC_DRAW); > + > + glClearColor(0.2, 0.2, 0.2, 1.0); > +} > + > Piglit has a built-in tolerance calculator: check out piglit_compute_probe_tolerance in piglit-util-gl.h. > +static bool > +equal(float a, float b) > +{ > + return fabsf(a - b) < 0.0001; > +} > + > +enum piglit_result > +piglit_display(void) > +{ > + GLint max_bind_points = 0; > + GLuint q, num_prims; > + bool pass = true, test = true; > + GLfloat *v, *w; > + int i, j; > + > + /* init the transform feedback buffers */ > + glCreateTransformFeedbacks(3, xfb_buf); > + glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, xfb_buf[2]); > + piglit_check_gl_error(GL_NO_ERROR); > + > + /* Fetch the number of bind points */ > + glGetIntegerv(GL_MAX_TRANSFORM_FEEDBACK_BUFFERS, &max_bind_points); > + SUBTEST(GL_NO_ERROR, pass, "fetch maximum number of bind points"); > + > + /* bind a non-existing transform feedback BO */ > + glTransformFeedbackBufferBase(1337, 0, 0); > + SUBTEST(GL_INVALID_OPERATION, pass, > + "bind non-existing transform feedback BO"); > + > + /* bind a non-existing output BO */ > + glTransformFeedbackBufferBase(0, 0, 1337); > + SUBTEST(GL_INVALID_VALUE, pass, "bind a non-existing output BO"); > + > + /* bind to a negative index */ > + glTransformFeedbackBufferBase(0, -1, xfb_buf[2]); > + SUBTEST(GL_INVALID_VALUE, pass, "bind negative index"); > + > + /* bind to an index == max */ > + glTransformFeedbackBufferBase(0, max_bind_points, xfb_buf[2]); > + SUBTEST(GL_INVALID_VALUE, pass, "bind to index == max_bind_points > (%i)", > + max_bind_points); > + > + /* Set up the transform feedback buffer */ > + for (i = 0; i < 2; i++) { > + glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, xfb_buf[i]); > + glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER, > + xfb_buf_size, NULL, GL_STREAM_READ); > + glTransformFeedbackBufferBase(0, i, xfb_buf[i]); > + piglit_check_gl_error(GL_NO_ERROR); > + } > + > + glClear(GL_COLOR_BUFFER_BIT); > + > + glGenQueries(1, &q); > + glBeginQuery(GL_PRIMITIVES_GENERATED, q); > + piglit_check_gl_error(GL_NO_ERROR); > + > + glBeginTransformFeedback(GL_POINTS); > + glBindBuffer(GL_ARRAY_BUFFER, vert_buf); > + glVertexPointer(3, GL_FLOAT, 0, 0); > + glEnable(GL_VERTEX_ARRAY); > + glDrawArrays(GL_POINTS, 0, 3); > + glEndTransformFeedback(); > + > + glEndQuery(GL_PRIMITIVES_GENERATED); > + > + glGetQueryObjectuiv(q, GL_QUERY_RESULT, &num_prims); > + glDeleteQueries(1, &q); > + printf("%u primitives generated:\n", num_prims); > + > + if (num_prims != NUM_VERTS) { > + printf("Incorrect number of prims generated.\n"); > + printf("Found %u, expected %u\n", num_prims, NUM_VERTS); > + pass = false; > + } > + > + glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, xfb_buf[0]); > + v = glMapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, GL_READ_ONLY); > + piglit_check_gl_error(GL_NO_ERROR); > + glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, xfb_buf[1]); > + w = glMapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, GL_READ_ONLY); > + piglit_check_gl_error(GL_NO_ERROR); > + > + for (i = 0; i < num_prims; i++) { > + printf("vertex %2d: pos %5.2g, %5.2g, %5.2g, %5.2g " > + "color %5.2g, %5.2g, %5.2g, %5.2g\n", i, > + v[i*4+0], v[i*4+1], v[i*4+2], v[i*4+3], > + w[i*4+0], w[i*4+1], w[i*4+2], w[i*4+3]); > + > + for(j = 0; j < 3; j++) { > + if (!equal(v[i*4+j], verts_ret[i][j])) { > + printf(" Incorrect coord %i for > point" > + " %d: %f instead of %f\n", j, i, > + v[i*4+j], verts_ret[i][j]); > + test = false; > + } > + if (!equal(w[i*4+j], color_ret[i][j])) { > + printf(" Incorrect color component > %i " > + "for point %d: %f instead of %f\n", > + j, i, w[i*4+j], color_ret[i][j]); > + test = false; > + } > + } > + } > + SUBTESTCONDITION(test, pass, "general test"); > + > + glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, xfb_buf[0]); > + glUnmapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER); > + glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, xfb_buf[1]); > + glUnmapBuffer(GL_TRANSFORM_FEEDBACK_BUFFER); > + > + piglit_present_results(); > + > + return pass ? PIGLIT_PASS : PIGLIT_FAIL; > +} > -- > 2.3.0 > > _______________________________________________ > Piglit mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/piglit > Looks good, AFAICT Acked-by: Laura Ekstrand <[email protected]>
_______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
