diff options
author | Julien Cristau <[email protected]> | 2008-07-01 13:17:44 +0200 |
---|---|---|
committer | Julien Cristau <[email protected]> | 2008-07-01 13:18:27 +0200 |
commit | 374be37dd904b8dc7b91b4b782a6b7b46b00afba (patch) | |
tree | 2562d5fcf4183bdc67d6c418513e1f562dddfe20 /progs/glsl/multitex.c | |
parent | 2b831e73f5027850837e613636915c7dd6c7078a (diff) | |
parent | d3f7b463c3975c070503053e4ad70af99016a756 (diff) |
Merge branch 'master' of git.freedesktop.org:/git/mesa/mesa into debian-experimental
Conflicts:
.gitignore
Makefile
bin/mklib
configs/.gitignore
configs/default
configs/freebsd
configs/freebsd-dri
configs/linux-osmesa
configs/linux-osmesa16
configs/linux-osmesa16-static
configs/linux-osmesa32
docs/download.html
docs/install.html
docs/news.html
docs/relnotes.html
doxygen/Makefile
doxygen/doxy.bat
doxygen/header.html
doxygen/header_subset.html
include/GL/internal/dri_interface.h
progs/demos/.gitignore
progs/directfb/Makefile
progs/egl/Makefile
progs/fbdev/Makefile
progs/fbdev/glfbdevtest.c
progs/fp/Makefile
progs/glsl/.gitignore
progs/glsl/Makefile
progs/glsl/bump.c
progs/glsl/mandelbrot.c
progs/glsl/noise.c
progs/glsl/toyball.c
progs/miniglx/Makefile
progs/samples/.gitignore
progs/slang/Makefile
progs/tests/.gitignore
progs/tests/Makefile
progs/tests/arbnpot.c
progs/tests/cva.c
progs/tests/dinoshade.c
progs/tests/drawbuffers.c
progs/tests/fbotest2.c
progs/tests/fbotexture.c
progs/tests/getprocaddress.c
progs/tests/mipmap_limits.c
progs/tests/multipal.c
progs/tests/texline.c
progs/tools/trace/Makefile
progs/trivial/Makefile
progs/trivial/dlist-edgeflag-dangling.c
progs/trivial/dlist-edgeflag.c
progs/trivial/point-param.c
progs/trivial/quad-clip-nearplane.c
progs/trivial/tri.c
progs/vp/Makefile
progs/xdemos/.gitignore
progs/xdemos/Makefile
progs/xdemos/glthreads.c
src/egl/Makefile
src/egl/drivers/demo/Makefile
src/egl/drivers/dri/Makefile
src/egl/main/Makefile
src/glu/mesa/Makefile
src/glu/mesa/Makefile.m32
src/glu/mesa/project.c
src/glu/mini/project.c
src/glut/directfb/Makefile
src/glut/directfb/callback.c
src/glut/directfb/events.c
src/glut/directfb/internal.h
src/glut/directfb/window.c
src/glut/os2/Makefile
src/glut/os2/WarpWin.cpp
src/glut/os2/glutOverlay.cpp
src/glut/os2/glut_8x13.cpp
src/glut/os2/glut_9x15.cpp
src/glut/os2/glut_bitmap.cpp
src/glut/os2/glut_cindex.cpp
src/glut/os2/glut_cmap.cpp
src/glut/os2/glut_cursor.cpp
src/glut/os2/glut_event.cpp
src/glut/os2/glut_ext.cpp
src/glut/os2/glut_fullscrn.cpp
src/glut/os2/glut_gamemode.cpp
src/glut/os2/glut_get.cpp
src/glut/os2/glut_hel10.cpp
src/glut/os2/glut_hel12.cpp
src/glut/os2/glut_hel18.cpp
src/glut/os2/glut_init.cpp
src/glut/os2/glut_input.cpp
src/glut/os2/glut_key.cpp
src/glut/os2/glut_keyctrl.cpp
src/glut/os2/glut_keyup.cpp
src/glut/os2/glut_mesa.cpp
src/glut/os2/glut_modifier.cpp
src/glut/os2/glut_roman.cpp
src/glut/os2/glut_shapes.cpp
src/glut/os2/glut_stroke.cpp
src/glut/os2/glut_swap.cpp
src/glut/os2/glut_teapot.cpp
src/glut/os2/glut_tr24.cpp
src/glut/os2/glut_util.cpp
src/glut/os2/glut_vidresize.cpp
src/glut/os2/glut_warp.cpp
src/glut/os2/glut_win.cpp
src/glut/os2/glut_winmisc.cpp
src/glut/os2/glutbitmap.h
src/glut/os2/glutstroke.h
src/glut/os2/layerutil.h
src/glut/os2/libGlut.DEF
src/glut/os2/os2_glx.cpp
src/glut/os2/os2_menu.cpp
src/glut/os2/os2_winproc.cpp
src/glw/Makefile
src/glx/mini/Makefile
src/glx/mini/miniglx.c
src/glx/x11/glxext.c
src/mesa/Makefile
src/mesa/drivers/allegro/amesa.c
src/mesa/drivers/allegro/direct.h
src/mesa/drivers/allegro/generic.h
src/mesa/drivers/d3d/D3DCAPS.CPP
src/mesa/drivers/d3d/D3DHAL.H
src/mesa/drivers/d3d/D3DInit.cpp
src/mesa/drivers/d3d/D3DMESA.H
src/mesa/drivers/d3d/D3DRaster.cpp
src/mesa/drivers/d3d/D3DTEXT.CPP
src/mesa/drivers/d3d/D3DTextureMgr.cpp
src/mesa/drivers/d3d/D3DTextureMgr.h
src/mesa/drivers/d3d/D3DUTILS.CPP
src/mesa/drivers/d3d/DDrawPROCS.c
src/mesa/drivers/d3d/DEBUG.C
src/mesa/drivers/d3d/DEBUG.H
src/mesa/drivers/d3d/DbgEnv.bat
src/mesa/drivers/d3d/MAKEFILE
src/mesa/drivers/d3d/OPENGL32.DEF
src/mesa/drivers/d3d/WGL.C
src/mesa/drivers/dri/Makefile.template
src/mesa/drivers/dri/common/dri_bufmgr.c
src/mesa/drivers/dri/common/dri_drmpool.c
src/mesa/drivers/dri/common/dri_util.c
src/mesa/drivers/dri/common/dri_util.h
src/mesa/drivers/dri/common/xmlconfig.c
src/mesa/drivers/dri/glcore/Makefile
src/mesa/drivers/dri/i915/i915_fragprog.c
src/mesa/drivers/dri/i915/i915_program.h
src/mesa/drivers/dri/i915/i915_texprog.c
src/mesa/drivers/dri/i915/i915_texstate.c
src/mesa/drivers/dri/i915/i915_vtbl.c
src/mesa/drivers/dri/i915/intel_context.c
src/mesa/drivers/dri/i915/intel_context.h
src/mesa/drivers/dri/i915/intel_pixel.c
src/mesa/drivers/dri/i915/intel_render.c
src/mesa/drivers/dri/i915/intel_screen.c
src/mesa/drivers/dri/i915/intel_state.c
src/mesa/drivers/dri/i915/intel_tex.c
src/mesa/drivers/dri/i915/intel_tris.c
src/mesa/drivers/dri/i915tex/i830_reg.h
src/mesa/drivers/dri/i915tex/i830_texstate.c
src/mesa/drivers/dri/i915tex/i830_vtbl.c
src/mesa/drivers/dri/i915tex/i915_fragprog.c
src/mesa/drivers/dri/i915tex/i915_metaops.c
src/mesa/drivers/dri/i915tex/i915_tex_layout.c
src/mesa/drivers/dri/i915tex/i915_texstate.c
src/mesa/drivers/dri/i915tex/i915_vtbl.c
src/mesa/drivers/dri/i915tex/intel_render.c
src/mesa/drivers/dri/i915tex/intel_screen.c
src/mesa/drivers/dri/i915tex/intel_tris.c
src/mesa/drivers/dri/i965/brw_aub.c
src/mesa/drivers/dri/i965/brw_aub_playback.c
src/mesa/drivers/dri/i965/brw_cc.c
src/mesa/drivers/dri/i965/brw_clip.c
src/mesa/drivers/dri/i965/brw_clip_state.c
src/mesa/drivers/dri/i965/brw_clip_util.c
src/mesa/drivers/dri/i965/brw_context.c
src/mesa/drivers/dri/i965/brw_curbe.c
src/mesa/drivers/dri/i965/brw_defines.h
src/mesa/drivers/dri/i965/brw_draw.c
src/mesa/drivers/dri/i965/brw_draw_upload.c
src/mesa/drivers/dri/i965/brw_eu.h
src/mesa/drivers/dri/i965/brw_eu_emit.c
src/mesa/drivers/dri/i965/brw_gs_state.c
src/mesa/drivers/dri/i965/brw_misc_state.c
src/mesa/drivers/dri/i965/brw_sf_emit.c
src/mesa/drivers/dri/i965/brw_sf_state.c
src/mesa/drivers/dri/i965/brw_state_cache.c
src/mesa/drivers/dri/i965/brw_state_pool.c
src/mesa/drivers/dri/i965/brw_tex.c
src/mesa/drivers/dri/i965/brw_tex_layout.c
src/mesa/drivers/dri/i965/brw_vs_state.c
src/mesa/drivers/dri/i965/brw_vs_tnl.c
src/mesa/drivers/dri/i965/brw_wm.c
src/mesa/drivers/dri/i965/brw_wm.h
src/mesa/drivers/dri/i965/brw_wm_glsl.c
src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
src/mesa/drivers/dri/i965/brw_wm_state.c
src/mesa/drivers/dri/i965/brw_wm_surface_state.c
src/mesa/drivers/dri/i965/bufmgr_fake.c
src/mesa/drivers/dri/i965/intel_batchbuffer.c
src/mesa/drivers/dri/i965/intel_batchbuffer.h
src/mesa/drivers/dri/i965/intel_blit.c
src/mesa/drivers/dri/i965/intel_blit.h
src/mesa/drivers/dri/i965/intel_buffers.c
src/mesa/drivers/dri/i965/intel_context.c
src/mesa/drivers/dri/i965/intel_context.h
src/mesa/drivers/dri/i965/intel_mipmap_tree.c
src/mesa/drivers/dri/i965/intel_mipmap_tree.h
src/mesa/drivers/dri/i965/intel_pixel_bitmap.c
src/mesa/drivers/dri/i965/intel_pixel_copy.c
src/mesa/drivers/dri/i965/intel_screen.c
src/mesa/drivers/dri/i965/intel_tex_validate.c
src/mesa/drivers/dri/i965/server/i830_common.h
src/mesa/drivers/dri/intel/intel_batchbuffer.c
src/mesa/drivers/dri/intel/intel_batchbuffer.h
src/mesa/drivers/dri/intel/intel_blit.c
src/mesa/drivers/dri/intel/intel_buffers.c
src/mesa/drivers/dri/intel/intel_context.c
src/mesa/drivers/dri/intel/intel_context.h
src/mesa/drivers/dri/intel/intel_mipmap_tree.c
src/mesa/drivers/dri/intel/intel_mipmap_tree.h
src/mesa/drivers/dri/intel/intel_screen.h
src/mesa/drivers/dri/r200/r200_texstate.c
src/mesa/drivers/dri/r300/r300_cmdbuf.c
src/mesa/drivers/dri/r300/r300_context.h
src/mesa/drivers/dri/r300/r300_ioctl.c
src/mesa/drivers/dri/r300/r300_reg.h
src/mesa/drivers/dri/r300/r300_state.c
src/mesa/drivers/dri/r300/r300_tex.h
src/mesa/drivers/dri/r300/r300_texstate.c
src/mesa/drivers/dri/radeon/radeon_screen.c
src/mesa/drivers/windows/gdi/wmesa.c
src/mesa/drivers/x11/fakeglx.c
src/mesa/drivers/x11/xm_dd.c
src/mesa/glapi/Makefile
src/mesa/glapi/dispatch.h
src/mesa/glapi/glapioffsets.h
src/mesa/glapi/glapitable.h
src/mesa/glapi/glapitemp.h
src/mesa/glapi/glprocs.h
src/mesa/main/api_validate.c
src/mesa/main/attrib.c
src/mesa/main/config.h
src/mesa/main/context.c
src/mesa/main/context.h
src/mesa/main/dlist.c
src/mesa/main/drawpix.c
src/mesa/main/enums.c
src/mesa/main/fbobject.c
src/mesa/main/image.c
src/mesa/main/imports.h
src/mesa/main/mtypes.h
src/mesa/main/points.c
src/mesa/main/state.c
src/mesa/main/texcompress_fxt1.c
src/mesa/main/texenvprogram.c
src/mesa/main/teximage.c
src/mesa/main/texobj.c
src/mesa/main/texstate.c
src/mesa/main/version.h
src/mesa/shader/prog_execute.c
src/mesa/shader/program.c
src/mesa/shader/shader_api.c
src/mesa/shader/slang/library/slang_core.gc
src/mesa/shader/slang/library/slang_core_gc.h
src/mesa/shader/slang/slang_codegen.c
src/mesa/sources
src/mesa/sparc/glapi_sparc.S
src/mesa/swrast/s_aalinetemp.h
src/mesa/swrast/s_aatriangle.c
src/mesa/swrast/s_aatritemp.h
src/mesa/swrast/s_context.c
src/mesa/swrast/s_copypix.c
src/mesa/swrast/s_drawpix.c
src/mesa/swrast/s_fragprog.c
src/mesa/swrast/s_pointtemp.h
src/mesa/swrast/s_readpix.c
src/mesa/swrast/s_span.c
src/mesa/swrast/s_texfilter.c
src/mesa/swrast/s_tritemp.h
src/mesa/swrast/s_zoom.c
src/mesa/tnl/t_draw.c
src/mesa/tnl/t_vb_fog.c
src/mesa/tnl/t_vb_program.c
src/mesa/tnl/t_vp_build.c
src/mesa/vbo/vbo_split_copy.c
src/mesa/x86-64/xform4.S
src/mesa/x86/common_x86.c
src/mesa/x86/glapi_x86.S
windows/VC6/mesa/mesa/mesa.dsp
Diffstat (limited to 'progs/glsl/multitex.c')
-rw-r--r-- | progs/glsl/multitex.c | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c new file mode 100644 index 00000000000..5574ed4139f --- /dev/null +++ b/progs/glsl/multitex.c @@ -0,0 +1,285 @@ +/** + * Test multi-texturing with GL shading language. + * + * Copyright (C) 2008 Brian Paul All Rights Reserved. + * + * 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 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 + * BRIAN PAUL 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 <assert.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "GL/glut.h" +#include "readtex.h" +#include "extfuncs.h" +#include "shaderutil.h" + +static const char *Demo = "multitex"; + +static const char *VertFile = "multitex.vert.txt"; +static const char *FragFile = "multitex.frag.txt"; + +static const char *TexFiles[2] = + { + "../images/tile.rgb", + "../images/tree2.rgba" + }; + + +static GLuint Program; + +static GLfloat Xrot = -90.0, Yrot = .0, Zrot = 0.0; +static GLfloat EyeDist = 10; +static GLboolean Anim = GL_TRUE; + + +/* value[0] = tex unit */ +static struct uniform_info Uniforms[] = { + { "tex1", 1, GL_INT, { 0, 0, 0, 0 }, -1 }, + { "tex2", 1, GL_INT, { 1, 0, 0, 0 }, -1 }, + END_OF_UNIFORMS +}; + + +static void +DrawPolygon(GLfloat size) +{ + glPushMatrix(); + glRotatef(90, 1, 0, 0); + glNormal3f(0, 0, 1); + glBegin(GL_POLYGON); + + glMultiTexCoord2f(GL_TEXTURE0, 0, 0); + glMultiTexCoord2f(GL_TEXTURE1, 0, 0); + glVertex2f(-size, -size); + + glMultiTexCoord2f(GL_TEXTURE0, 2, 0); + glMultiTexCoord2f(GL_TEXTURE1, 1, 0); + glVertex2f( size, -size); + + glMultiTexCoord2f(GL_TEXTURE0, 2, 2); + glMultiTexCoord2f(GL_TEXTURE1, 1, 1); + glVertex2f( size, size); + + glMultiTexCoord2f(GL_TEXTURE0, 0, 2); + glMultiTexCoord2f(GL_TEXTURE1, 0, 1); + glVertex2f(-size, size); + + glEnd(); + glPopMatrix(); +} + + +static void +draw(void) +{ + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + glPushMatrix(); /* modelview matrix */ + glTranslatef(0.0, 0.0, -EyeDist); + glRotatef(Zrot, 0, 0, 1); + glRotatef(Yrot, 0, 1, 0); + glRotatef(Xrot, 1, 0, 0); + + DrawPolygon(3.0); + + glPopMatrix(); + + glutSwapBuffers(); +} + + +static void +idle(void) +{ + GLfloat t = 0.05 * glutGet(GLUT_ELAPSED_TIME); + Yrot = t; + glutPostRedisplay(); +} + + +static void +key(unsigned char k, int x, int y) +{ + (void) x; + (void) y; + switch (k) { + case ' ': + case 'a': + Anim = !Anim; + if (Anim) + glutIdleFunc(idle); + else + glutIdleFunc(NULL); + break; + case 'z': + EyeDist -= 0.5; + if (EyeDist < 3.0) + EyeDist = 3.0; + break; + case 'Z': + EyeDist += 0.5; + if (EyeDist > 90.0) + EyeDist = 90; + break; + case 27: + exit(0); + } + glutPostRedisplay(); +} + + +static void +specialkey(int key, int x, int y) +{ + GLfloat step = 2.0; + (void) x; + (void) y; + switch (key) { + case GLUT_KEY_UP: + Xrot += step; + break; + case GLUT_KEY_DOWN: + Xrot -= step; + break; + case GLUT_KEY_LEFT: + Yrot -= step; + break; + case GLUT_KEY_RIGHT: + Yrot += step; + break; + } + glutPostRedisplay(); +} + + +/* new window size or exposure */ +static void +Reshape(int width, int height) +{ + GLfloat ar = (float) width / (float) height; + glViewport(0, 0, (GLint)width, (GLint)height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum(-2.0*ar, 2.0*ar, -2.0, 2.0, 4.0, 100.0); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); +} + + +static void +InitTextures(void) +{ + GLenum filter = GL_LINEAR; + int i; + + for (i = 0; i < 2; i++) { + GLint imgWidth, imgHeight; + GLenum imgFormat; + GLubyte *image = NULL; + + image = LoadRGBImage(TexFiles[i], &imgWidth, &imgHeight, &imgFormat); + if (!image) { + printf("Couldn't read %s\n", TexFiles[i]); + exit(0); + } + + glActiveTexture(GL_TEXTURE0 + i); + glBindTexture(GL_TEXTURE_2D, 42 + i); + gluBuild2DMipmaps(GL_TEXTURE_2D, 4, imgWidth, imgHeight, + imgFormat, GL_UNSIGNED_BYTE, image); + free(image); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter); + } +} + + +static GLuint +CreateProgram(const char *vertProgFile, const char *fragProgFile, + struct uniform_info *uniforms) +{ + GLuint fragShader, vertShader, program; + + vertShader = CompileShaderFile(GL_VERTEX_SHADER, vertProgFile); + fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, fragProgFile); + assert(vertShader); + program = LinkShaders(vertShader, fragShader); + + glUseProgram_func(program); + + InitUniforms(program, uniforms); + + return program; +} + + +static void +InitPrograms(void) +{ + Program = CreateProgram(VertFile, FragFile, Uniforms); +} + + +static void +InitGL(void) +{ + const char *version = (const char *) glGetString(GL_VERSION); + + if (version[0] != '2' || version[1] != '.') { + printf("Warning: this program expects OpenGL 2.0\n"); + /*exit(1);*/ + } + printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER)); + + GetExtensionFuncs(); + + InitTextures(); + InitPrograms(); + + glEnable(GL_DEPTH_TEST); + + glClearColor(.6, .6, .9, 0); + glColor3f(1.0, 1.0, 1.0); +} + + +int +main(int argc, char *argv[]) +{ + glutInit(&argc, argv); + glutInitWindowSize(500, 400); + glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE); + glutCreateWindow(Demo); + glutReshapeFunc(Reshape); + glutKeyboardFunc(key); + glutSpecialFunc(specialkey); + glutDisplayFunc(draw); + if (Anim) + glutIdleFunc(idle); + InitGL(); + glutMainLoop(); + return 0; +} |