diff options
Diffstat (limited to 'progs/util')
| -rw-r--r-- | progs/util/SConscript | 15 | ||||
| -rw-r--r-- | progs/util/descrip.mms | 42 | ||||
| -rw-r--r-- | progs/util/extfuncs.h | 115 | ||||
| -rw-r--r-- | progs/util/glutskel.c | 64 | ||||
| -rw-r--r-- | progs/util/readtex.c | 12 | ||||
| -rw-r--r-- | progs/util/shaderutil.c | 231 | ||||
| -rw-r--r-- | progs/util/shaderutil.h | 35 |
7 files changed, 393 insertions, 121 deletions
diff --git a/progs/util/SConscript b/progs/util/SConscript new file mode 100644 index 0000000000..8ad2466291 --- /dev/null +++ b/progs/util/SConscript @@ -0,0 +1,15 @@ +Import('env') + +env = env.Clone() + +util = env.StaticLibrary( + target = ['util'], + source = [ + 'readtex.c', + 'trackball.c', + 'showbuffer.c', + 'shaderutil.c', + ], +) + +Export('util') diff --git a/progs/util/descrip.mms b/progs/util/descrip.mms deleted file mode 100644 index 21dec4b9be..0000000000 --- a/progs/util/descrip.mms +++ /dev/null @@ -1,42 +0,0 @@ -# Makefile for GLUT-based demo programs for VMS -# contributed by Jouk Jansen joukj@crys.chem.uva.nl - - -.first - define gl [--.include.gl] - -.include [--]mms-config. - -##### MACROS ##### - -INCDIR = ([--.include],[-.util]) -CFLAGS = /include=$(INCDIR)/prefix=all/name=(as_is,short)/float=ieee/ieee=denorm - -.ifdef SHARE -GL_LIBS = $(XLIBS) -LIB_DEP = [--.lib]$(GL_SHAR) [--.lib]$(GLU_SHAR) [--.lib]$(GLUT_SHAR) -.else -GL_LIBS = [--.lib]libGLUT/l,libMesaGLU/l,libMesaGL/l,$(XLIBS) -LIB_DEP = [--.lib]$(GL_LIB) [--.lib]$(GLU_LIB) [--.lib]$(GLUT_LIB) -.endif - - -OBJS =readtex.obj,showbuffer.obj - - -##### RULES ##### -.obj.exe : - cxxlink $(MMS$TARGET_NAME),$(GL_LIBS) - -##### TARGETS ##### -default : - $(MMS)$(MMSQUALIFIERS) $(OBJS) - -clean : - delete *.obj;* - -realclean : - delete *.obj;* - -readtex.obj : readtex.c -showbuffer.obj : showbuffer.c diff --git a/progs/util/extfuncs.h b/progs/util/extfuncs.h index cf6b29d0e3..2bb57030a8 100644 --- a/progs/util/extfuncs.h +++ b/progs/util/extfuncs.h @@ -46,6 +46,13 @@ static PFNGLVERTEXATTRIB1FPROC glVertexAttrib1f_func = NULL; static PFNGLVERTEXATTRIB2FPROC glVertexAttrib2f_func = NULL; static PFNGLVERTEXATTRIB3FPROC glVertexAttrib3f_func = NULL; static PFNGLVERTEXATTRIB4FPROC glVertexAttrib4f_func = NULL; +static PFNGLVERTEXATTRIB1FVPROC glVertexAttrib1fv_func = NULL; +static PFNGLVERTEXATTRIB2FVPROC glVertexAttrib2fv_func = NULL; +static PFNGLVERTEXATTRIB3FVPROC glVertexAttrib3fv_func = NULL; +static PFNGLVERTEXATTRIB4FVPROC glVertexAttrib4fv_func = NULL; +static PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer_func = NULL; +static PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray_func = NULL; +static PFNGLDISABLEVERTEXATTRIBARRAYPROC glDisableVertexAttribArray_func = NULL; /* OpenGL 2.1 */ static PFNGLUNIFORMMATRIX2X3FVPROC glUniformMatrix2x3fv_func = NULL; @@ -79,6 +86,56 @@ static PFNGLISVERTEXARRAYAPPLEPROC glIsVertexArrayAPPLE_func = NULL; /* GL_EXT_stencil_two_side */ static PFNGLACTIVESTENCILFACEEXTPROC glActiveStencilFaceEXT_func = NULL; +/* GL_ARB_buffer_object */ +static PFNGLGENBUFFERSARBPROC glGenBuffersARB_func = NULL; +static PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB_func = NULL; +static PFNGLBINDBUFFERARBPROC glBindBufferARB_func = NULL; +static PFNGLBUFFERDATAARBPROC glBufferDataARB_func = NULL; +static PFNGLBUFFERSUBDATAARBPROC glBufferSubDataARB_func = NULL; +static PFNGLMAPBUFFERARBPROC glMapBufferARB_func = NULL; +static PFNGLUNMAPBUFFERARBPROC glUnmapBufferARB_func = NULL; + +/* GL_EXT_framebuffer_object */ +static PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT_func = NULL; +static PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT_func = NULL; +static PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT_func = NULL; +static PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT_func = NULL; +static PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT_func = NULL; +static PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT_func = NULL; +static PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT_func = NULL; +static PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT_func = NULL; +static PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT_func = NULL; +static PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT_func = NULL; +static PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT_func = NULL; +static PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT_func = NULL; +static PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT_func = NULL; +static PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT_func = NULL; +static PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT_func = NULL; +static PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT_func = NULL; +static PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT_func = NULL; + +/* GL_ARB_framebuffer_object */ +static PFNGLISRENDERBUFFERPROC glIsRenderbuffer_func = NULL; +static PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer_func = NULL; +static PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers_func = NULL; +static PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers_func = NULL; +static PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage_func = NULL; +static PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv_func = NULL; +static PFNGLISFRAMEBUFFERPROC glIsFramebuffer_func = NULL; +static PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer_func = NULL; +static PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers_func = NULL; +static PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers_func = NULL; +static PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus_func = NULL; +static PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D_func = NULL; +static PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D_func = NULL; +static PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D_func = NULL; +static PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer_func = NULL; +static PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv_func = NULL; +static PFNGLGENERATEMIPMAPPROC glGenerateMipmap_func = NULL; +static PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer_func = NULL; +static PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample_func = NULL; +static PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer_func = NULL; + static void GetExtensionFuncs(void) @@ -126,6 +183,14 @@ GetExtensionFuncs(void) glVertexAttrib2f_func = (PFNGLVERTEXATTRIB2FPROC) glutGetProcAddress("glVertexAttrib2f"); glVertexAttrib3f_func = (PFNGLVERTEXATTRIB3FPROC) glutGetProcAddress("glVertexAttrib3f"); glVertexAttrib4f_func = (PFNGLVERTEXATTRIB4FPROC) glutGetProcAddress("glVertexAttrib4f"); + glVertexAttrib1fv_func = (PFNGLVERTEXATTRIB1FVPROC) glutGetProcAddress("glVertexAttrib1fv"); + glVertexAttrib2fv_func = (PFNGLVERTEXATTRIB2FVPROC) glutGetProcAddress("glVertexAttrib2fv"); + glVertexAttrib3fv_func = (PFNGLVERTEXATTRIB3FVPROC) glutGetProcAddress("glVertexAttrib3fv"); + glVertexAttrib4fv_func = (PFNGLVERTEXATTRIB4FVPROC) glutGetProcAddress("glVertexAttrib4fv"); + + glVertexAttribPointer_func = (PFNGLVERTEXATTRIBPOINTERPROC) glutGetProcAddress("glVertexAttribPointer"); + glEnableVertexAttribArray_func = (PFNGLENABLEVERTEXATTRIBARRAYPROC) glutGetProcAddress("glEnableVertexAttribArray"); + glDisableVertexAttribArray_func = (PFNGLDISABLEVERTEXATTRIBARRAYPROC) glutGetProcAddress("glDisableVertexAttribArray"); /* OpenGL 2.1 */ glUniformMatrix2x3fv_func = (PFNGLUNIFORMMATRIX2X3FVPROC) glutGetProcAddress("glUniformMatrix2x3fv"); @@ -158,5 +223,55 @@ GetExtensionFuncs(void) /* GL_EXT_stencil_two_side */ glActiveStencilFaceEXT_func = (PFNGLACTIVESTENCILFACEEXTPROC) glutGetProcAddress("glActiveStencilFaceEXT"); + + /* GL_ARB_vertex_buffer_object */ + glGenBuffersARB_func = (PFNGLGENBUFFERSARBPROC) glutGetProcAddress("glGenBuffersARB"); + glDeleteBuffersARB_func = (PFNGLDELETEBUFFERSARBPROC) glutGetProcAddress("glDeleteBuffersARB"); + glBindBufferARB_func = (PFNGLBINDBUFFERARBPROC) glutGetProcAddress("glBindBufferARB"); + glBufferDataARB_func = (PFNGLBUFFERDATAARBPROC) glutGetProcAddress("glBufferDataARB"); + glBufferSubDataARB_func = (PFNGLBUFFERSUBDATAARBPROC) glutGetProcAddress("glBufferSubDataARB"); + glMapBufferARB_func = (PFNGLMAPBUFFERARBPROC) glutGetProcAddress("glMapBufferARB"); + glUnmapBufferARB_func = (PFNGLUNMAPBUFFERARBPROC) glutGetProcAddress("glUnmapBufferARB"); + + /* GL_EXT_framebuffer_object */ + glIsRenderbufferEXT_func = (PFNGLISRENDERBUFFEREXTPROC) glutGetProcAddress("glIsRenderbufferEXT"); + glBindRenderbufferEXT_func = (PFNGLBINDRENDERBUFFEREXTPROC) glutGetProcAddress("glBindRenderbufferEXT"); + glDeleteRenderbuffersEXT_func = (PFNGLDELETERENDERBUFFERSEXTPROC) glutGetProcAddress("glDeleteRenderbuffersEXT"); + glGenRenderbuffersEXT_func = (PFNGLGENRENDERBUFFERSEXTPROC) glutGetProcAddress("glGenRenderbuffersEXT"); + glRenderbufferStorageEXT_func = (PFNGLRENDERBUFFERSTORAGEEXTPROC) glutGetProcAddress("glRenderbufferStorageEXT"); + glGetRenderbufferParameterivEXT_func = (PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC) glutGetProcAddress("glGetRenderbufferParameterivEXT"); + glIsFramebufferEXT_func = (PFNGLISFRAMEBUFFEREXTPROC) glutGetProcAddress("glIsFramebufferEXT"); + glBindFramebufferEXT_func = (PFNGLBINDFRAMEBUFFEREXTPROC) glutGetProcAddress("glBindFramebufferEXT"); + glDeleteFramebuffersEXT_func = (PFNGLDELETEFRAMEBUFFERSEXTPROC) glutGetProcAddress("glDeleteFramebuffersEXT"); + glGenFramebuffersEXT_func = (PFNGLGENFRAMEBUFFERSEXTPROC) glutGetProcAddress("glGenFramebuffersEXT"); + glCheckFramebufferStatusEXT_func = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) glutGetProcAddress("glCheckFramebufferStatusEXT"); + glFramebufferTexture1DEXT_func = (PFNGLFRAMEBUFFERTEXTURE1DEXTPROC) glutGetProcAddress("glFramebufferTexture1DEXT"); + glFramebufferTexture2DEXT_func = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) glutGetProcAddress("glFramebufferTexture2DEXT"); + glFramebufferTexture3DEXT_func = (PFNGLFRAMEBUFFERTEXTURE3DEXTPROC) glutGetProcAddress("glFramebufferTexture3DEXT"); + glFramebufferRenderbufferEXT_func = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) glutGetProcAddress("glFramebufferRenderbufferEXT"); + glGetFramebufferAttachmentParameterivEXT_func = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) glutGetProcAddress("glGetFramebufferAttachmentParameterivEXT"); + glGenerateMipmapEXT_func = (PFNGLGENERATEMIPMAPEXTPROC) glutGetProcAddress("glGenerateMipmapEXT"); + + /* GL_ARB_framebuffer_object */ + glIsRenderbuffer_func = (PFNGLISRENDERBUFFERPROC) glutGetProcAddress("glIsRenderbuffer"); + glBindRenderbuffer_func = (PFNGLBINDRENDERBUFFERPROC) glutGetProcAddress("glBindRenderbuffer"); + glDeleteRenderbuffers_func = (PFNGLDELETERENDERBUFFERSPROC) glutGetProcAddress("glDeleteRenderbuffers"); + glGenRenderbuffers_func = (PFNGLGENRENDERBUFFERSPROC) glutGetProcAddress("glGenRenderbuffers"); + glRenderbufferStorage_func = (PFNGLRENDERBUFFERSTORAGEPROC) glutGetProcAddress("glRenderbufferStorage"); + glGetRenderbufferParameteriv_func = (PFNGLGETRENDERBUFFERPARAMETERIVPROC) glutGetProcAddress("glGetRenderbufferParameteriv"); + glIsFramebuffer_func = (PFNGLISFRAMEBUFFERPROC) glutGetProcAddress("glIsFramebuffer"); + glBindFramebuffer_func = (PFNGLBINDFRAMEBUFFERPROC) glutGetProcAddress("glBindFramebuffer"); + glDeleteFramebuffers_func = (PFNGLDELETEFRAMEBUFFERSPROC) glutGetProcAddress("glDeleteFramebuffers"); + glGenFramebuffers_func = (PFNGLGENFRAMEBUFFERSPROC) glutGetProcAddress("glGenFramebuffers"); + glCheckFramebufferStatus_func = (PFNGLCHECKFRAMEBUFFERSTATUSPROC) glutGetProcAddress("glCheckFramebufferStatus"); + glFramebufferTexture1D_func = (PFNGLFRAMEBUFFERTEXTURE1DPROC) glutGetProcAddress("glFramebufferTexture1D"); + glFramebufferTexture2D_func = (PFNGLFRAMEBUFFERTEXTURE2DPROC) glutGetProcAddress("glFramebufferTexture2D"); + glFramebufferTexture3D_func = (PFNGLFRAMEBUFFERTEXTURE3DPROC) glutGetProcAddress("glFramebufferTexture3D"); + glFramebufferRenderbuffer_func = (PFNGLFRAMEBUFFERRENDERBUFFERPROC) glutGetProcAddress("glFramebufferRenderbuffer"); + glGetFramebufferAttachmentParameteriv_func = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC) glutGetProcAddress("glGetFramebufferAttachmentParameteriv"); + glGenerateMipmap_func = (PFNGLGENERATEMIPMAPPROC) glutGetProcAddress("glGenerateMipmap"); + glBlitFramebuffer_func = (PFNGLBLITFRAMEBUFFERPROC) glutGetProcAddress("glBlitFramebuffer"); + glRenderbufferStorageMultisample_func = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) glutGetProcAddress("glRenderbufferStorageMultisample"); + glFramebufferTextureLayer_func = (PFNGLFRAMEBUFFERTEXTURELAYERPROC) glutGetProcAddress("glFramebufferTextureLayer"); } diff --git a/progs/util/glutskel.c b/progs/util/glutskel.c index 273ed9a2f5..8499e12a9d 100644 --- a/progs/util/glutskel.c +++ b/progs/util/glutskel.c @@ -11,6 +11,7 @@ #include <GL/glut.h> static int Win; +static int WinWidth = 400, WinHeight = 400; static GLfloat Xrot = 0, Yrot = 0, Zrot = 0; static GLboolean Anim = GL_FALSE; @@ -46,6 +47,8 @@ Draw(void) static void Reshape(int width, int height) { + WinWidth = width; + WinHeight = height; glViewport(0, 0, width, height); glMatrixMode(GL_PROJECTION); glLoadIdentity(); @@ -63,23 +66,23 @@ Key(unsigned char key, int x, int y) (void) x; (void) y; switch (key) { - case 'a': - Anim = !Anim; - if (Anim) - glutIdleFunc(Idle); - else - glutIdleFunc(NULL); - break; - case 'z': - Zrot -= step; - break; - case 'Z': - Zrot += step; - break; - case 27: - glutDestroyWindow(Win); - exit(0); - break; + case 'a': + Anim = !Anim; + if (Anim) + glutIdleFunc(Idle); + else + glutIdleFunc(NULL); + break; + case 'z': + Zrot -= step; + break; + case 'Z': + Zrot += step; + break; + case 27: + glutDestroyWindow(Win); + exit(0); + break; } glutPostRedisplay(); } @@ -92,18 +95,18 @@ SpecialKey(int key, int x, int y) (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; + 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(); } @@ -123,8 +126,7 @@ int main(int argc, char *argv[]) { glutInit(&argc, argv); - glutInitWindowPosition(0, 0); - glutInitWindowSize(400, 400); + glutInitWindowSize(WinWidth, WinHeight); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); Win = glutCreateWindow(argv[0]); glutReshapeFunc(Reshape); diff --git a/progs/util/readtex.c b/progs/util/readtex.c index 37d5fcd0d3..8e923b6eb4 100644 --- a/progs/util/readtex.c +++ b/progs/util/readtex.c @@ -102,9 +102,15 @@ static rawImageRec *RawImageOpen(const char *fileName) fprintf(stderr, "Out of memory!\n"); return NULL; } - if ((raw->file = fopen(fileName, "rb")) == NULL) { - perror(fileName); - return NULL; + raw->file = fopen(fileName, "rb"); + if (raw->file == NULL) { + const char *baseName = strrchr(fileName, '/'); + if(baseName) + raw->file = fopen(baseName + 1, "rb"); + if(raw->file == NULL) { + perror(fileName); + return NULL; + } } fread(raw, 1, 12, raw->file); diff --git a/progs/util/shaderutil.c b/progs/util/shaderutil.c index 2f1c4e38b3..4db950016b 100644 --- a/progs/util/shaderutil.c +++ b/progs/util/shaderutil.c @@ -9,20 +9,16 @@ #include <assert.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> +#include <GL/glew.h> #include <GL/glut.h> -#include "extfuncs.h" #include "shaderutil.h" +/** time to compile previous shader */ +static GLdouble CompileTime = 0.0; -static void -Init(void) -{ - static GLboolean firstCall = GL_TRUE; - if (firstCall) { - GetExtensionFuncs(); - firstCall = GL_FALSE; - } -} +/** time to linke previous program */ +static GLdouble LinkTime = 0.0; GLboolean @@ -47,17 +43,22 @@ CompileShaderText(GLenum shaderType, const char *text) { GLuint shader; GLint stat; + GLdouble t0, t1; + + shader = glCreateShader(shaderType); + glShaderSource(shader, 1, (const GLchar **) &text, NULL); + + t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001; + glCompileShader(shader); + t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001; - Init(); + CompileTime = t1 - t0; - shader = glCreateShader_func(shaderType); - glShaderSource_func(shader, 1, (const GLchar **) &text, NULL); - glCompileShader_func(shader); - glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat); + glGetShaderiv(shader, GL_COMPILE_STATUS, &stat); if (!stat) { GLchar log[1000]; GLsizei len; - glGetShaderInfoLog_func(shader, 1000, &len, log); + glGetShaderInfoLog(shader, 1000, &len, log); fprintf(stderr, "Error: problem compiling shader: %s\n", log); exit(1); } @@ -78,8 +79,9 @@ CompileShaderFile(GLenum shaderType, const char *filename) int n; char *buffer = (char*) malloc(max); GLuint shader; + FILE *f; - FILE *f = fopen(filename, "r"); + f = fopen(filename, "r"); if (!f) { fprintf(stderr, "Unable to open shader file %s\n", filename); return 0; @@ -105,24 +107,30 @@ CompileShaderFile(GLenum shaderType, const char *filename) GLuint LinkShaders(GLuint vertShader, GLuint fragShader) { - GLuint program = glCreateProgram_func(); + GLuint program = glCreateProgram(); + GLdouble t0, t1; assert(vertShader || fragShader); if (fragShader) - glAttachShader_func(program, fragShader); + glAttachShader(program, fragShader); if (vertShader) - glAttachShader_func(program, vertShader); - glLinkProgram_func(program); + glAttachShader(program, vertShader); + + t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001; + glLinkProgram(program); + t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001; + + LinkTime = t1 - t0; /* check link */ { GLint stat; - glGetProgramiv_func(program, GL_LINK_STATUS, &stat); + glGetProgramiv(program, GL_LINK_STATUS, &stat); if (!stat) { GLchar log[1000]; GLsizei len; - glGetProgramInfoLog_func(program, 1000, &len, log); + glGetProgramInfoLog(program, 1000, &len, log); fprintf(stderr, "Shader link error:\n%s\n", log); return 0; } @@ -132,37 +140,176 @@ LinkShaders(GLuint vertShader, GLuint fragShader) } +GLboolean +ValidateShaderProgram(GLuint program) +{ + GLint stat; + glValidateProgramARB(program); + glGetProgramiv(program, GL_VALIDATE_STATUS, &stat); + + if (!stat) { + GLchar log[1000]; + GLsizei len; + glGetProgramInfoLog(program, 1000, &len, log); + fprintf(stderr, "Program validation error:\n%s\n", log); + return 0; + } + + return (GLboolean) stat; +} + + +GLdouble +GetShaderCompileTime(void) +{ + return CompileTime; +} + + +GLdouble +GetShaderLinkTime(void) +{ + return LinkTime; +} + + void -InitUniforms(GLuint program, struct uniform_info uniforms[]) +SetUniformValues(GLuint program, struct uniform_info uniforms[]) { GLuint i; for (i = 0; uniforms[i].name; i++) { uniforms[i].location - = glGetUniformLocation_func(program, uniforms[i].name); - - printf("Uniform %s location: %d\n", uniforms[i].name, - uniforms[i].location); + = glGetUniformLocation(program, uniforms[i].name); - switch (uniforms[i].size) { - case 1: - if (uniforms[i].type == GL_INT) - glUniform1i_func(uniforms[i].location, - (GLint) uniforms[i].value[0]); - else - glUniform1fv_func(uniforms[i].location, 1, uniforms[i].value); + switch (uniforms[i].type) { + case GL_INT: + case GL_SAMPLER_1D: + case GL_SAMPLER_2D: + case GL_SAMPLER_3D: + case GL_SAMPLER_CUBE: + case GL_SAMPLER_2D_RECT_ARB: + assert(uniforms[i].value[0] >= 0.0F); + glUniform1i(uniforms[i].location, + (GLint) uniforms[i].value[0]); + break; + case GL_FLOAT: + glUniform1fv(uniforms[i].location, 1, uniforms[i].value); break; - case 2: - glUniform2fv_func(uniforms[i].location, 1, uniforms[i].value); + case GL_FLOAT_VEC2: + glUniform2fv(uniforms[i].location, 1, uniforms[i].value); break; - case 3: - glUniform3fv_func(uniforms[i].location, 1, uniforms[i].value); + case GL_FLOAT_VEC3: + glUniform3fv(uniforms[i].location, 1, uniforms[i].value); break; - case 4: - glUniform4fv_func(uniforms[i].location, 1, uniforms[i].value); + case GL_FLOAT_VEC4: + glUniform4fv(uniforms[i].location, 1, uniforms[i].value); break; default: - abort(); + if (strncmp(uniforms[i].name, "gl_", 3) == 0) { + /* built-in uniform: ignore */ + } + else { + fprintf(stderr, + "Unexpected uniform data type in SetUniformValues\n"); + abort(); + } } } } + + +/** Get list of uniforms used in the program */ +GLuint +GetUniforms(GLuint program, struct uniform_info uniforms[]) +{ + GLint n, max, i; + + glGetProgramiv(program, GL_ACTIVE_UNIFORMS, &n); + glGetProgramiv(program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max); + + for (i = 0; i < n; i++) { + GLint size, len; + GLenum type; + char name[100]; + + glGetActiveUniform(program, i, 100, &len, &size, &type, name); + + uniforms[i].name = strdup(name); + uniforms[i].size = size; + uniforms[i].type = type; + uniforms[i].location = glGetUniformLocation(program, name); + } + + uniforms[i].name = NULL; /* end of list */ + + return n; +} + + +void +PrintUniforms(const struct uniform_info uniforms[]) +{ + GLint i; + + printf("Uniforms:\n"); + + for (i = 0; uniforms[i].name; i++) { + printf(" %d: %s size=%d type=0x%x loc=%d value=%g, %g, %g, %g\n", + i, + uniforms[i].name, + uniforms[i].size, + uniforms[i].type, + uniforms[i].location, + uniforms[i].value[0], + uniforms[i].value[1], + uniforms[i].value[2], + uniforms[i].value[3]); + } +} + + +/** Get list of attribs used in the program */ +GLuint +GetAttribs(GLuint program, struct attrib_info attribs[]) +{ + GLint n, max, i; + + glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &n); + glGetProgramiv(program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max); + + for (i = 0; i < n; i++) { + GLint size, len; + GLenum type; + char name[100]; + + glGetActiveAttrib(program, i, 100, &len, &size, &type, name); + + attribs[i].name = strdup(name); + attribs[i].size = size; + attribs[i].type = type; + attribs[i].location = glGetAttribLocation(program, name); + } + + attribs[i].name = NULL; /* end of list */ + + return n; +} + + +void +PrintAttribs(const struct attrib_info attribs[]) +{ + GLint i; + + printf("Attribs:\n"); + + for (i = 0; attribs[i].name; i++) { + printf(" %d: %s size=%d type=0x%x loc=%d\n", + i, + attribs[i].name, + attribs[i].size, + attribs[i].type, + attribs[i].location); + } +} diff --git a/progs/util/shaderutil.h b/progs/util/shaderutil.h index cfb8c1f3b0..98c7181156 100644 --- a/progs/util/shaderutil.h +++ b/progs/util/shaderutil.h @@ -6,8 +6,8 @@ struct uniform_info { const char *name; - GLuint size; - GLenum type; /**< GL_FLOAT or GL_INT */ + GLuint size; /**< number of value[] elements: 1, 2, 3 or 4 */ + GLenum type; /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, etc */ GLfloat value[4]; GLint location; /**< filled in by InitUniforms() */ }; @@ -15,6 +15,15 @@ struct uniform_info #define END_OF_UNIFORMS { NULL, 0, GL_NONE, { 0, 0, 0, 0 }, -1 } +struct attrib_info +{ + const char *name; + GLuint size; /**< number of value[] elements: 1, 2, 3 or 4 */ + GLenum type; /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, etc */ + GLint location; +}; + + extern GLboolean ShadersSupported(void); @@ -27,8 +36,28 @@ CompileShaderFile(GLenum shaderType, const char *filename); extern GLuint LinkShaders(GLuint vertShader, GLuint fragShader); +extern GLboolean +ValidateShaderProgram(GLuint program); + +extern GLdouble +GetShaderCompileTime(void); + +extern GLdouble +GetShaderLinkTime(void); + +extern void +SetUniformValues(GLuint program, struct uniform_info uniforms[]); + +extern GLuint +GetUniforms(GLuint program, struct uniform_info uniforms[]); + extern void -InitUniforms(GLuint program, struct uniform_info uniforms[]); +PrintUniforms(const struct uniform_info uniforms[]); + +extern GLuint +GetAttribs(GLuint program, struct attrib_info attribs[]); +extern void +PrintAttribs(const struct attrib_info attribs[]); #endif /* SHADER_UTIL_H */ |