diff options
Diffstat (limited to 'tests')
39 files changed, 3165 insertions, 26 deletions
diff --git a/tests/aniso.c b/tests/aniso.c new file mode 100644 index 00000000..e673e228 --- /dev/null +++ b/tests/aniso.c @@ -0,0 +1,210 @@ +/******************************************************************* + * * + * Using SDL With OpenGL * + * * + * Tutorial by Kyle Foley (sdw) * + * * + * http://gpwiki.org/index.php/SDL:Tutorials:Using_SDL_with_OpenGL * + * * + *******************************************************************/ + +/* +THIS WORK, INCLUDING THE SOURCE CODE, DOCUMENTATION +AND RELATED MEDIA AND DATA, IS PLACED INTO THE PUBLIC DOMAIN. + +THE ORIGINAL AUTHOR IS KYLE FOLEY. + +THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY +OF ANY KIND, NOT EVEN THE IMPLIED WARRANTY OF +MERCHANTABILITY. THE AUTHOR OF THIS SOFTWARE, +ASSUMES _NO_ RESPONSIBILITY FOR ANY CONSEQUENCE +RESULTING FROM THE USE, MODIFICATION, OR +REDISTRIBUTION OF THIS SOFTWARE. +*/ + +#include "SDL/SDL.h" +#include "SDL/SDL_image.h" +#include "SDL/SDL_opengl.h" + +#include <stdio.h> +#include <string.h> +#include <assert.h> + +#define MAX(x, y) ((x) > (y) ? (x) : (y)) + +int hasext(const char *exts, const char *ext) // from cube2, zlib licensed +{ + int len = strlen(ext); + if(len) for(const char *cur = exts; (cur = strstr(cur, ext)); cur += len) + { + if((cur == exts || cur[-1] == ' ') && (cur[len] == ' ' || !cur[len])) return 1; + } + return 0; +} + +int main(int argc, char *argv[]) +{ + SDL_Surface *screen; + + // Slightly different SDL initialization + if ( SDL_Init(SDL_INIT_VIDEO) != 0 ) { + printf("Unable to initialize SDL: %s\n", SDL_GetError()); + return 1; + } + + SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 ); // *new* + + screen = SDL_SetVideoMode( 600, 600, 16, SDL_OPENGL ); // *changed* + if ( !screen ) { + printf("Unable to set video mode: %s\n", SDL_GetError()); + return 1; + } + + // Check extensions + + const char *exts = (const char *)glGetString(GL_EXTENSIONS); + assert(hasext(exts, "GL_EXT_texture_filter_anisotropic")); + + GLint aniso; + glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &aniso); + printf("Max anisotropy: %d (using that)\n", aniso); + assert(aniso >= 4); + + // Set the OpenGL state after creating the context with SDL_SetVideoMode + + glClearColor( 0, 0, 0, 0 ); + +#if !EMSCRIPTEN + glEnable( GL_TEXTURE_2D ); // Need this to display a texture XXX unnecessary in OpenGL ES 2.0/WebGL +#endif + + glViewport( 0, 0, 600, 600 ); + + glMatrixMode( GL_PROJECTION ); + GLfloat matrixData[] = { 2.0/600, 0, 0, 0, + 0, -2.0/600, 0, 0, + 0, 0, -2.0/600, 0, + -1, 1, 0, 1 }; + glLoadMatrixf(matrixData); // test loadmatrix + + glMatrixMode( GL_MODELVIEW ); + glLoadIdentity(); + + + // Load the OpenGL texture + + GLuint texture, texture2; + + const int DDS_SIZE = 43920; + FILE *dds = fopen("water.dds", "rb"); + assert(dds); + char *ddsdata = (char*)malloc(DDS_SIZE); + assert(fread(ddsdata, 1, DDS_SIZE, dds) == DDS_SIZE); + fclose(dds); + + { + glGenTextures( 1, &texture ); + glBindTexture( GL_TEXTURE_2D, texture ); + + char *curr = ddsdata + 128; + int level = 0; + int w = 512; + int h = 64; + while (level < 5) { + printf("uploading level %d: %d, %d\n", level, w, h); + assert(!glGetError()); + glCompressedTexImage2D(GL_TEXTURE_2D, level, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, w, h, 0, w*h, curr); + assert(!glGetError()); + curr += MAX(w, 4)*MAX(h, 4); + w /= 2; + h /= 2; + level++; + } + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); + } + { + glGenTextures( 1, &texture2 ); + glBindTexture( GL_TEXTURE_2D, texture2 ); + + char *curr = ddsdata + 128; + int level = 0; + int w = 512; + int h = 64; + while (level < 5) { + printf("uploading level %d: %d, %d\n", level, w, h); + assert(!glGetError()); + glCompressedTexImage2D(GL_TEXTURE_2D, level, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, w, h, 0, w*h, curr); + assert(!glGetError()); + curr += MAX(w, 4)*MAX(h, 4); + w /= 2; + h /= 2; + level++; + } + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso); + } + + // Prepare and Render + + // Clear the screen before drawing + glClear( GL_COLOR_BUFFER_BIT ); + + // Bind the texture to which subsequent calls refer to + int w = 10; + int n = 15; + glBindTexture( GL_TEXTURE_2D, texture ); + for (int x = 0; x < n; x++) { + int start = x*w*2; + glBegin( GL_TRIANGLES ); + glTexCoord2i( 1, 0 ); glVertex3f( start , 0, 0 ); + glTexCoord2i( 0, 0 ); glVertex3f( start+w, 300, 0 ); + glTexCoord2i( 1, 1 ); glVertex3f( start-w, 300, 0 ); + glEnd(); + } + glBindTexture( GL_TEXTURE_2D, texture2 ); + for (int x = 0; x < n; x++) { + int start = n*w*2 + x*w*2; + glBegin( GL_TRIANGLES ); + glTexCoord2i( 1, 0 ); glVertex3f( start , 0, 0 ); + glTexCoord2i( 0, 0 ); glVertex3f( start+w, 300, 0 ); + glTexCoord2i( 1, 1 ); glVertex3f( start-w, 300, 0 ); + glEnd(); + } +/* + int w = 8; + int n = 20; + for (int x = 0; x < n; x++) { + for (int y = 0; y < n*2; y++) { + glBindTexture( GL_TEXTURE_2D, texture ); + glBegin( GL_TRIANGLE_STRIP ); + glTexCoord2i( 0, 0 ); glVertex3f( x*w, y*(w), 0 ); + glTexCoord2i( 1, 0 ); glVertex3f( (x+1)*(w-2*y/n), y*(w), 0 ); + glTexCoord2i( 1, 1 ); glVertex3f( (x+1)*(w-2*y/n), (y+1)*(w), 0 ); + glTexCoord2i( 0, 1 ); glVertex3f( x*w, (y+1)*(w), 0 ); + glEnd(); + glBindTexture( GL_TEXTURE_2D, texture2 ); + glBegin( GL_TRIANGLE_STRIP ); + glTexCoord2i( 0, 0 ); glVertex3f( n*w + x*w, y*(w), 0 ); + glTexCoord2i( 1, 0 ); glVertex3f( n*w + (x+1)*(w-2*y/n), y*(w), 0 ); + glTexCoord2i( 1, 1 ); glVertex3f( n*w + (x+1)*(w-2*y/n), (y+1)*(w), 0 ); + glTexCoord2i( 0, 1 ); glVertex3f( n*w + x*w, (y+1)*(w), 0 ); + glEnd(); + } + } +*/ + SDL_GL_SwapBuffers(); + +#if !EMSCRIPTEN + // Wait for 3 seconds to give us a chance to see the image + SDL_Delay(2000); +#endif + + // Now we can delete the OpenGL texture and close down SDL + glDeleteTextures( 1, &texture ); + + SDL_Quit(); + + return 0; +} diff --git a/tests/aniso.png b/tests/aniso.png Binary files differnew file mode 100644 index 00000000..5f5812d2 --- /dev/null +++ b/tests/aniso.png diff --git a/tests/bloom.dds b/tests/bloom.dds Binary files differnew file mode 100644 index 00000000..ed51ab51 --- /dev/null +++ b/tests/bloom.dds diff --git a/tests/cases/subnums.ll b/tests/cases/subnums.ll new file mode 100644 index 00000000..981a1592 --- /dev/null +++ b/tests/cases/subnums.ll @@ -0,0 +1,18 @@ +; ModuleID = 'tests/hello_world.bc' +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128" +target triple = "i386-pc-linux-gnu" + +@.str = private unnamed_addr constant [15 x i8] c"hello, world! %d\0A\00", align 1 ; [#uses=1 type=[18 x i8]*] + +; [#uses=0] +define i32 @main() { +entry: + %retval = alloca i32, align 4 ; [#uses=1 type=i32*] + %sub = sub nsw i32 0, -2147483648 + store i32 %sub, i32* %retval + %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([18 x i8]* @.str, i32 0, i32 0), i32 %sub) ; [#uses=0 type=i32] + ret i32 1 +} + +; [#uses=1] +declare i32 @printf(i8*, ...) diff --git a/tests/cases/subnums.txt b/tests/cases/subnums.txt new file mode 100644 index 00000000..e8831e0b --- /dev/null +++ b/tests/cases/subnums.txt @@ -0,0 +1 @@ +hello, world! -2147483648 diff --git a/tests/cubegeom_fog.c b/tests/cubegeom_fog.c new file mode 100644 index 00000000..9c04a55d --- /dev/null +++ b/tests/cubegeom_fog.c @@ -0,0 +1,307 @@ +/* +THIS WORK, INCLUDING THE SOURCE CODE, DOCUMENTATION +AND RELATED MEDIA AND DATA, IS PLACED INTO THE PUBLIC DOMAIN. + +THE ORIGINAL AUTHOR IS KYLE FOLEY. + +THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY +OF ANY KIND, NOT EVEN THE IMPLIED WARRANTY OF +MERCHANTABILITY. THE AUTHOR OF THIS SOFTWARE, +ASSUMES _NO_ RESPONSIBILITY FOR ANY CONSEQUENCE +RESULTING FROM THE USE, MODIFICATION, OR +REDISTRIBUTION OF THIS SOFTWARE. +*/ + +#if !EMSCRIPTEN +#define USE_GLEW 1 +#endif + +#if USE_GLEW +#include "GL/glew.h" +#endif + +#include "SDL/SDL.h" +#if !USE_GLEW +#include "SDL/SDL_opengl.h" +#endif + +#include <stdio.h> +#include <string.h> +#include <assert.h> + +void verify() { + int width = 640, height = 480; + unsigned char *data = (unsigned char*)malloc(width*height*4); + glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, data); + int sum = 0; + for (int x = 0; x < width*height*4; x++) { + if (x % 4 != 3) sum += x * data[x]; + } +#if EMSCRIPTEN + int result = sum; + REPORT_RESULT(); +#endif +} + +int main(int argc, char *argv[]) +{ + SDL_Surface *screen; + if ( SDL_Init(SDL_INIT_VIDEO) != 0 ) { + printf("Unable to initialize SDL: %s\n", SDL_GetError()); + return 1; + } + + SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 ); + screen = SDL_SetVideoMode( 640, 480, 24, SDL_OPENGL ); + if ( !screen ) { + printf("Unable to set video mode: %s\n", SDL_GetError()); + return 1; + } + + glClearColor( 0, 0, 0, 0 ); + glClear( GL_COLOR_BUFFER_BIT ); + + // Fog + + glEnable(GL_FOG); + glFogf(GL_FOG_START, 100); + glFogf(GL_FOG_END, 2000); + glFogi(GL_FOG_MODE, GL_LINEAR); + GLfloat fogcolor[4] = { 0.9, 0.1, 0.35, 0 }; + glFogfv(GL_FOG_COLOR, fogcolor); + + // Create a texture + + GLuint texture; + glGenTextures( 1, &texture ); + glBindTexture( GL_TEXTURE_2D, texture ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); + GLubyte textureData[16*16*4]; + for (int x = 0; x < 16; x++) { + for (int y = 0; y < 16; y++) { + *((int*)&textureData[(x*16 + y) * 4]) = x*16 + ((y*16) << 8); + } + } + glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, + GL_RGBA, GL_UNSIGNED_BYTE, textureData ); + + // Create a second texture + + GLuint texture2; + glGenTextures( 1, &texture2 ); + glBindTexture( GL_TEXTURE_2D, texture2 ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); + GLubyte texture2Data[] = { 0xff, 0, 0, 0xff, + 0, 0xff, 0, 0xaa, + 0, 0, 0xff, 0x55, + 0x80, 0x90, 0x70, 0 }; + glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, + GL_RGBA, GL_UNSIGNED_BYTE, texture2Data ); + + // BEGIN + +#if USE_GLEW + glewInit(); +#endif + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + // original: glFrustum(-0.6435469817188064, 0.6435469817188064 ,-0.48266022190470925, 0.48266022190470925 ,0.5400000214576721, 2048); + glFrustum(-0.6435469817188064, 0.1435469817188064 ,-0.48266022190470925, 0.88266022190470925 ,0.5400000214576721, 2048); + glRotatef(-30, 1, 1, 1); + //GLfloat pm[] = { 1.372136116027832, 0, 0, 0, 0, 0.7910231351852417, 0, 0, -0.6352481842041016, 0.29297152161598206, -1.0005275011062622, -1, 0, 0, -1.080284833908081, 0 }; + //glLoadMatrixf(pm); + + glMatrixMode(GL_MODELVIEW); + GLfloat matrixData[] = { -1, 0, 0, 0, + 0, 0,-1, 0, + 0, 1, 0, 0, + 0, 0, 0, 1 }; + glLoadMatrixf(matrixData); + //glTranslated(-512,-512,-527); // XXX this should be uncommented, but if it is then nothing is shown + + glEnable(GL_CULL_FACE); + glEnable(GL_DEPTH_TEST); + + glClear(GL_DEPTH_BUFFER_BIT); + + glEnableClientState(GL_NORMAL_ARRAY); + glEnableClientState(GL_COLOR_ARRAY); + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + + glActiveTexture(GL_TEXTURE0); + + glEnableClientState(GL_VERTEX_ARRAY); + + GLuint arrayBuffer, elementBuffer; + glGenBuffers(1, &arrayBuffer); + glGenBuffers(1, &elementBuffer); + + GLubyte arrayData[] = { +/* +[0, 0, 0, 67] ==> 128 float +[0, 0, 128, 67] ==> 256 float +[0, 0, 0, 68] ==> 512 float +[0, 0, 128, 68] ==> 1024 float + +[vertex x ] [vertex y ] [vertex z ] [nr] [texture u ] [texture v ] [lm u ] [lm v ] [color r,g,b,a ] */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 68, 11, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, // 0 + 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 68, 23, 20, 0, 0, 0, 0, 0, 67, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, // 1 + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 35, 30, 0, 0, 0, 0, 0, 67, 0, 0, 0, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 2 + 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 0, 68, 47, 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 3 + 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 68, 51, 50, 0, 0, 0, 0, 0, 67, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, // 4 + 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 68, 64, 60, 0, 0, 0, 0, 128, 67, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, // 5 + 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 0, 68, 70, 70, 0, 0, 0, 0, 128, 67, 0, 0, 0, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 6 + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 89, 80, 0, 0, 0, 0, 0, 67, 0, 0, 0, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 7 + 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 0, 68, 94, 90, 0, 0, 0, 0, 0, 0, 0, 0, 0, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 8 + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 20, 10, 0, 0, 0, 0, 0, 67, 0, 0, 0, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 9 + 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 68, 31, 20, 0, 0, 0, 0, 0, 67, 0, 0, 128, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 10 + 0, 0, 0, 0, 0, 0, 128, 68, 0, 0, 0, 68, 42, 30, 0, 0, 0, 0, 0, 0, 0, 0, 128, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 11 + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 53, 40, 0, 0, 0, 0, 0, 67, 0, 0, 0, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 12 + 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 0, 68, 64, 50, 0, 0, 0, 0, 128, 67, 0, 0, 0, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 13 + 0, 0, 128, 68, 0, 0, 128, 68, 0, 0, 0, 68, 75, 60, 0, 0, 0, 0, 128, 67, 0, 0, 128, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 14 + 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 68, 86, 70, 0, 0, 0, 0, 0, 67, 0, 0, 128, 67, 0, 0, 0, 0, 128, 128, 128, 128, // 15 + + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 0, 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 128, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, + 0, 0, 128, 68, 0, 0, 128, 68, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128 + }; + assert(sizeof(arrayData) == 1408); + glBindBuffer(GL_ARRAY_BUFFER, arrayBuffer); + glBufferData(GL_ARRAY_BUFFER, sizeof(arrayData), arrayData, GL_STATIC_DRAW); + glBindBuffer(GL_ARRAY_BUFFER, 0); + + GLushort elementData[] = { 1, 2, 0, 2, 3, 0, 5, 6, 4, 6, 7, 4, 9, 10, 8, 10, 11, 8, 13, 14, 12, 14, 15, 12 }; + assert(sizeof(elementData) == 48); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementBuffer); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(elementData), elementData, GL_STATIC_DRAW); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + + glBindBuffer(GL_ARRAY_BUFFER, arrayBuffer); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementBuffer); + + // sauer vertex data is apparently 0-12: V3F, 12: N1B, 16-24: T2F, 24-28: T2S, 28-32: C4B + glVertexPointer(3, GL_FLOAT, 32, (void*)0); // all these apply to the ARRAY_BUFFER that is bound + glTexCoordPointer(2, GL_FLOAT, 32, (void*)16); + glClientActiveTexture(GL_TEXTURE1); // XXX seems to be ignored in native build + glTexCoordPointer(2, GL_SHORT, 32, (void*)24); + glClientActiveTexture(GL_TEXTURE0); // likely not needed, it is a cleanup + glNormalPointer(GL_BYTE, 32, (void*)12); + glColorPointer(4, GL_UNSIGNED_BYTE, 32, (void*)28); + + glBindTexture(GL_TEXTURE_2D, texture); // diffuse? + glActiveTexture(GL_TEXTURE0); + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D, texture2); // lightmap? + glActiveTexture(GL_TEXTURE0); + + GLint ok; + + const char *vertexShader = "uniform vec4 texgenscroll;\n" + "void main(void)\n" + "{\n" + " gl_Position = ftransform();\n" + " gl_TexCoord[0].xy = gl_MultiTexCoord0.xy/10000.0 + (0.001*texgenscroll.xy) + gl_Normal.xy;\n" // added /100 here + " gl_TexCoord[1].xy = gl_MultiTexCoord1.xy/100.0 * 3.051851e-05;\n" + " gl_FogFragCoord = gl_Position.z;\n" + "}\n"; + const char *fragmentShader = "uniform vec4 colorparams;\n" + "uniform sampler2D diffusemap, lightmap;\n" + "void main(void)\n" + "{\n" + " vec4 diffuse = texture2D(diffusemap, gl_TexCoord[0].xy);\n" + " vec4 lm = texture2D(lightmap, gl_TexCoord[1].xy);\n" + " diffuse *= colorparams;\n" + " vec4 color = diffuse * lm;\n" + " gl_FragColor.rgb = mix((gl_Fog.color).rgb, color.rgb, clamp((gl_Fog.end - gl_FogFragCoord) * gl_Fog.scale, 0.0, 1.0));\n" + //" gl_FragColor.rgb = 0.0001 * color.rgb + ((gl_Fog.color).rgb * (1.0-clamp((gl_FogFragCoord)* 1.0/1000.0, 0.0, 1.0)));\n" + "}\n"; + + GLuint vs = glCreateShader(GL_VERTEX_SHADER); + glShaderSource(vs, 1, &vertexShader, NULL); + glCompileShader(vs); + glGetShaderiv(vs, GL_COMPILE_STATUS, &ok); + assert(ok); + + GLuint fs = glCreateShader(GL_FRAGMENT_SHADER); + glShaderSource(fs, 1, &fragmentShader, NULL); + glCompileShader(fs); + glGetShaderiv(fs, GL_COMPILE_STATUS, &ok); + assert(ok); + + GLuint program = glCreateProgram(); + + glAttachShader(program, vs); + glAttachShader(program, fs); + glLinkProgram(program); + glGetProgramiv(program, GL_LINK_STATUS, &ok); + assert(ok); + + glUseProgram(program); + + GLint lightmapLocation = glGetUniformLocation(program, "lightmap"); + assert(lightmapLocation >= 0); + glUniform1i(lightmapLocation, 1); // sampler2D? Is it the texture unit? + + GLint diffusemapLocation = glGetUniformLocation(program, "diffusemap"); + assert(diffusemapLocation >= 0); + glUniform1i(diffusemapLocation, 0); + + GLint texgenscrollLocation = glGetUniformLocation(program, "texgenscroll"); + assert(texgenscrollLocation >= 0); + + GLint colorparamsLocation = glGetUniformLocation(program, "colorparams"); + assert(colorparamsLocation >= 0); + + GLfloat texgenscrollData[] = { 0, 0, 0, 0 }; + glUniform4fv(texgenscrollLocation, 1, texgenscrollData); + + GLfloat colorparamsData[] = { 2, 2, 2, 1 }; + glUniform4fv(colorparamsLocation, 1, colorparamsData); + + glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, (void*)12); + glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, (void*) 0); + glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, (void*)24); + glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, (void*)36); + + // END + + SDL_GL_SwapBuffers(); + + verify(); + +#if !EMSCRIPTEN + SDL_Delay(1500); +#endif + + SDL_Quit(); + + return 0; +} diff --git a/tests/cubegeom_normal_dap_far_glda_quad.c b/tests/cubegeom_normal_dap_far_glda_quad.c new file mode 100644 index 00000000..aa6383b8 --- /dev/null +++ b/tests/cubegeom_normal_dap_far_glda_quad.c @@ -0,0 +1,280 @@ +/* +THIS WORK, INCLUDING THE SOURCE CODE, DOCUMENTATION +AND RELATED MEDIA AND DATA, IS PLACED INTO THE PUBLIC DOMAIN. + +THE ORIGINAL AUTHOR IS KYLE FOLEY. + +THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY +OF ANY KIND, NOT EVEN THE IMPLIED WARRANTY OF +MERCHANTABILITY. THE AUTHOR OF THIS SOFTWARE, +ASSUMES _NO_ RESPONSIBILITY FOR ANY CONSEQUENCE +RESULTING FROM THE USE, MODIFICATION, OR +REDISTRIBUTION OF THIS SOFTWARE. +*/ + +#if !EMSCRIPTEN +#define USE_GLEW 1 +#endif + +#if USE_GLEW +#include "GL/glew.h" +#endif + +#include "SDL/SDL.h" +#if !USE_GLEW +#include "SDL/SDL_opengl.h" +#endif + +#include <stdio.h> +#include <string.h> +#include <assert.h> + +void verify() { + int width = 640, height = 480; + unsigned char *data = (unsigned char*)malloc(width*height*4); + glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, data); + int sum = 0; + for (int x = 0; x < width*height*4; x++) { + if (x % 4 != 3) sum += x * data[x]; + } +#if EMSCRIPTEN + int result = sum; + REPORT_RESULT(); +#endif +} + +int main(int argc, char *argv[]) +{ + SDL_Surface *screen; + if ( SDL_Init(SDL_INIT_VIDEO) != 0 ) { + printf("Unable to initialize SDL: %s\n", SDL_GetError()); + return 1; + } + + SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 ); + screen = SDL_SetVideoMode( 640, 480, 24, SDL_OPENGL ); + if ( !screen ) { + printf("Unable to set video mode: %s\n", SDL_GetError()); + return 1; + } + + glClearColor( 0, 0, 0, 0 ); + glClear( GL_COLOR_BUFFER_BIT ); + + // Create a texture + + GLuint texture; + glGenTextures( 1, &texture ); + glBindTexture( GL_TEXTURE_2D, texture ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); + GLubyte textureData[16*16*4]; + for (int x = 0; x < 16; x++) { + for (int y = 0; y < 16; y++) { + *((int*)&textureData[(x*16 + y) * 4]) = x*16 + ((y*16) << 8); + } + } + glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, + GL_RGBA, GL_UNSIGNED_BYTE, textureData ); + + // Create a second texture + + GLuint texture2; + glGenTextures( 1, &texture2 ); + glBindTexture( GL_TEXTURE_2D, texture2 ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); + glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); + GLubyte texture2Data[] = { 0xff, 0, 0, 0xff, + 0, 0xff, 0, 0xaa, + 0, 0, 0xff, 0x55, + 0x80, 0x90, 0x70, 0 }; + glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, + GL_RGBA, GL_UNSIGNED_BYTE, texture2Data ); + + // BEGIN + +#if USE_GLEW + glewInit(); +#endif + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + // original: glFrustum(-0.6435469817188064, 0.6435469817188064 ,-0.48266022190470925, 0.48266022190470925 ,0.5400000214576721, 2048); + glFrustum(-0.6435469817188064, 0.1435469817188064 ,-0.48266022190470925, 0.88266022190470925 ,0.5400000214576721, 2048); + glRotatef(-30, 1, 1, 1); + //GLfloat pm |
