From 33980d0bcf540baadd7ee258b6b5372832d13782 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Sun, 15 Sep 2013 15:06:41 +0800 Subject: [PATCH] i965: add micro benchmark for sample* --- configure.ac | 1 + src/i965-sample/Makefile.am | 20 ++++ src/i965-sample/sample.c | 207 +++++++++++++++++++++++++++++++++++++++ src/i965-sample/sample.frag | 9 ++ src/i965-sample/sample.vert | 11 +++ src/i965-sample/textureGrad.frag | 12 +++ 6 files changed, 260 insertions(+) create mode 100644 src/i965-sample/Makefile.am create mode 100644 src/i965-sample/sample.c create mode 100644 src/i965-sample/sample.frag create mode 100644 src/i965-sample/sample.vert create mode 100644 src/i965-sample/textureGrad.frag diff --git a/configure.ac b/configure.ac index 0c38f4d..bb1e94b 100644 --- a/configure.ac +++ b/configure.ac @@ -325,6 +325,7 @@ AC_OUTPUT([ src/glsl/Makefile src/gs/Makefile src/data/Makefile + src/i965-sample/Makefile src/objviewer/Makefile src/osdemos/Makefile src/perf/Makefile diff --git a/src/i965-sample/Makefile.am b/src/i965-sample/Makefile.am new file mode 100644 index 0000000..f899467 --- /dev/null +++ b/src/i965-sample/Makefile.am @@ -0,0 +1,20 @@ +AM_CFLAGS = \ + $(DEMO_CFLAGS) \ + $(GLUT_CFLAGS) \ + -I$(top_srcdir)/src/util +AM_LDFLAGS = \ + $(DEMO_LIBS) \ + $(GLUT_LIBS) + +if HAVE_GLUT +bin_PROGRAMS = \ + sample +endif + +sample_SOURCES = sample.c + +sample_LDADD = ../util/libutil.la + +EXTRA_DIST = \ + sample.frag \ + sample.vert diff --git a/src/i965-sample/sample.c b/src/i965-sample/sample.c new file mode 100644 index 0000000..2ab54c9 --- /dev/null +++ b/src/i965-sample/sample.c @@ -0,0 +1,207 @@ +#include +#include +#include +#include +#include +#include +#include "glut_wrap.h" +#include "readtex.h" +#include "shaderutil.h" + +static GLboolean clear_window = GL_FALSE; +static GLboolean tilt = GL_FALSE; + +static GLuint +InitShaders(const char *vs_filename, const char *fs_filename) +{ + GLuint vs, fs, prog; + + vs = CompileShaderFile(GL_VERTEX_SHADER, vs_filename); + fs = CompileShaderFile(GL_FRAGMENT_SHADER, fs_filename); + prog = LinkShaders(vs, fs); + + glUseProgram(prog); + + assert(ValidateShaderProgram(prog)); + + return prog; +} + +static void +InitArrays(GLuint prog) +{ + static const GLfloat texcoord[4][2] = { + { 0.0f, 0.0f }, + { 1.0f, 0.0f }, + { 1.0f, 1.0f }, + { 0.0f, 1.0f } + }; + GLfloat pos[4][2] = { + { -0.8f, -0.8f }, + { 0.8f, -0.8f }, + { 0.8f, 0.8f }, + { -0.8f, 0.8f } + }; + GLuint vbo, pos_attr, texcoord_attr; + + if (tilt) { + const float c = cos(M_PI / 15.0); + const float s = sin(M_PI / 15.0); + int i; + + for (i = 0; i < 4; i++) { + float x = c * pos[i][0] - s * pos[i][1]; + float y = s * pos[i][0] + c * pos[i][1]; + pos[i][0] = x; + pos[i][1] = y; + } + } + + glGenBuffers(1, &vbo); + glBindBuffer(GL_ARRAY_BUFFER, vbo); + glBufferData(GL_ARRAY_BUFFER, sizeof(pos) + sizeof(texcoord), + NULL, GL_STATIC_DRAW); + + glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(pos), pos); + + pos_attr = glGetAttribLocation(prog, "pos_attr"); + glVertexAttribPointer(pos_attr, 2, GL_FLOAT, GL_FALSE, 0, 0); + glEnableVertexAttribArray(pos_attr); + + glBufferSubData(GL_ARRAY_BUFFER, sizeof(pos), sizeof(texcoord), texcoord); + + texcoord_attr = glGetAttribLocation(prog, "texcoord_attr"); + glVertexAttribPointer(texcoord_attr, 2, GL_FLOAT, GL_FALSE, 0, (void *) sizeof(pos)); + glEnableVertexAttribArray(texcoord_attr); +} + +static void +InitTextures(void) +{ + const char image[] = DEMOS_DATA_DIR "tile.rgb"; + GLint width, height; + GLenum format; + GLubyte *data; + GLuint tex; + + data = LoadRGBImage(image, &width, &height, &format); + if (!data) { + printf("could not read %s\n", image); + exit(0); + } + + glGenTextures(1, &tex); + glBindTexture(GL_TEXTURE_2D, tex); + + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, + format, GL_UNSIGNED_BYTE, data); + free(data); + + //glGenerateMipmap(GL_TEXTURE_2D); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); +} + +static void +InitGL(int argc, char **argv) +{ + const char vs_filename[] = "sample.vert"; + const char *fs_filename = "sample.frag"; + GLuint prog; + int i; + + glewInit(); + + if (!GLEW_VERSION_3_0 || !ShadersSupported()) + exit(1); + + for (i = 1; i < argc; i++) { + if (!strcmp(argv[i], "tilt")) + tilt = GL_TRUE; + else + fs_filename = argv[i]; + } + + printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER)); + printf("TILT = %s\n", (tilt) ? "true" : "false"); + printf("FS = %s\n", fs_filename); + + prog = InitShaders(vs_filename, fs_filename); + InitArrays(prog); + InitTextures(); +} + +static void +Reshape(int width, int height) +{ + glViewport(0, 0, (GLint) width, (GLint) height); +} + +static void +Display(void) +{ + if (clear_window) + glClear(GL_COLOR_BUFFER_BIT); + + glDrawArrays(GL_TRIANGLE_FAN, 0, 4); + + glutSwapBuffers(); + + { + static int frames; + static double last_time; + double now; + struct timeval tv; + + gettimeofday(&tv, NULL); + now = (double) tv.tv_sec + (double) tv.tv_usec / 1000000.0; + frames++; + + if (last_time > 0.0) { + if (now > last_time + 5.0) { + printf("FPS = %.1f\n", frames / (now - last_time)); + last_time = now; + frames = 0; + } + } + else { + last_time = now; + } + } +} + +static void +Keyboard(unsigned char key, int x, int y) +{ + switch (key) { + case 27: + exit(0); + break; + } +} + +static void +Idle(void) +{ + glutPostRedisplay(); +} + +int +main(int argc, char **argv) +{ + glutInit(&argc, argv); + glutInitWindowSize(512, 512); + glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); + glutCreateWindow("i965-sample"); + glutReshapeFunc(Reshape); + glutDisplayFunc(Display); + glutKeyboardFunc(Keyboard); + glutIdleFunc(Idle); + + InitGL(argc, argv); + + glutMainLoop(); + + return 0; +} diff --git a/src/i965-sample/sample.frag b/src/i965-sample/sample.frag new file mode 100644 index 0000000..1a8de6c --- /dev/null +++ b/src/i965-sample/sample.frag @@ -0,0 +1,9 @@ +#version 130 + +uniform sampler2D tex; +in vec2 texcoord; + +void main() +{ + gl_FragColor = texture(tex, texcoord); +} diff --git a/src/i965-sample/sample.vert b/src/i965-sample/sample.vert new file mode 100644 index 0000000..11d6f73 --- /dev/null +++ b/src/i965-sample/sample.vert @@ -0,0 +1,11 @@ +#version 130 + +in vec4 pos_attr; +in vec2 texcoord_attr; +out vec2 texcoord; + +void main() +{ + gl_Position = pos_attr; + texcoord = texcoord_attr; +} diff --git a/src/i965-sample/textureGrad.frag b/src/i965-sample/textureGrad.frag new file mode 100644 index 0000000..dbaab93 --- /dev/null +++ b/src/i965-sample/textureGrad.frag @@ -0,0 +1,12 @@ +#version 130 + +uniform sampler2D tex; +in vec2 texcoord; + +void main() +{ + vec2 ddx = dFdx(texcoord); + vec2 ddy = dFdy(texcoord); + + gl_FragColor = textureGrad(tex, texcoord, ddx, ddy); +} -- 1.8.3.1