summaryrefslogtreecommitdiff
path: root/progs
diff options
context:
space:
mode:
Diffstat (limited to 'progs')
-rw-r--r--progs/Makefile26
-rw-r--r--progs/demos/fogcoord.c2
-rw-r--r--progs/demos/projtex.c1
-rwxr-xr-xprogs/fp/Makefile1
-rw-r--r--progs/fp/tri-inv.c2
-rw-r--r--progs/glsl/CH11-bumpmaptex.frag47
-rw-r--r--progs/glsl/bump.c55
-rw-r--r--progs/glsl/deriv.c15
-rw-r--r--progs/samples/Makefile2
-rw-r--r--progs/samples/rgbtoppm.c11
-rw-r--r--progs/tests/Makefile1
-rw-r--r--progs/tests/prog_parameter.c5
-rw-r--r--progs/tests/texdown.c3
-rw-r--r--progs/tests/texleak.c140
-rw-r--r--progs/util/readtex.c7
-rw-r--r--progs/vpglsl/vp-tris.c12
-rw-r--r--progs/xdemos/glxinfo.c15
17 files changed, 308 insertions, 37 deletions
diff --git a/progs/Makefile b/progs/Makefile
index d5852fa416..5bc444e952 100644
--- a/progs/Makefile
+++ b/progs/Makefile
@@ -4,7 +4,7 @@ TOP = ..
include $(TOP)/configs/current
-SUBDIRS = "$(strip "$(PROGRAM_DIRS)")"
+SUBDIRS = $(PROGRAM_DIRS)
default: message subdirs
@@ -15,22 +15,18 @@ message:
subdirs:
- @if test -n "$(SUBDIRS)" ; then \
- for dir in $(SUBDIRS) ; do \
- if [ -d $$dir ] ; then \
- (cd $$dir && $(MAKE)) || exit 1 ; \
- fi \
- done \
- fi
+ @list='$(SUBDIRS)'; for dir in $$list ; do \
+ if [ -d $$dir ] ; then \
+ (cd $$dir && $(MAKE)) || exit 1 ; \
+ fi \
+ done
# Dummy install target
install:
clean:
- -@if test -n "$(SUBDIRS)" ; then \
- for dir in $(SUBDIRS) tests ; do \
- if [ -d $$dir ] ; then \
- (cd $$dir && $(MAKE) clean) ; \
- fi \
- done \
- fi
+ @list='$(SUBDIRS)'; for dir in $$list tests ; do \
+ if [ -d $$dir ] ; then \
+ (cd $$dir && $(MAKE) clean) ; \
+ fi \
+ done
diff --git a/progs/demos/fogcoord.c b/progs/demos/fogcoord.c
index 6f50993c98..7d5c11aabf 100644
--- a/progs/demos/fogcoord.c
+++ b/progs/demos/fogcoord.c
@@ -15,8 +15,6 @@
#define DEPTH 5.0f
-static PFNGLFOGCOORDPOINTEREXTPROC glFogCoordPointer_ext;
-
static GLfloat camz;
static GLint fogMode;
diff --git a/progs/demos/projtex.c b/progs/demos/projtex.c
index ad205c7413..503cf5de08 100644
--- a/progs/demos/projtex.c
+++ b/progs/demos/projtex.c
@@ -248,6 +248,7 @@ loadImageTextures(void)
free(texData3);
free(texData4);
+ free(image);
}
}
diff --git a/progs/fp/Makefile b/progs/fp/Makefile
index 681928cf26..d77cd32b4d 100755
--- a/progs/fp/Makefile
+++ b/progs/fp/Makefile
@@ -17,6 +17,7 @@ SOURCES = \
tri-depth2.c \
tri-depthwrite.c \
tri-depthwrite2.c \
+ tri-inv.c \
tri-param.c \
fp-tri.c
diff --git a/progs/fp/tri-inv.c b/progs/fp/tri-inv.c
index 7e8d8c5ce2..7e490fa61c 100644
--- a/progs/fp/tri-inv.c
+++ b/progs/fp/tri-inv.c
@@ -56,7 +56,7 @@ static void Key(unsigned char key, int x, int y)
case 27:
exit(1);
default:
- return;
+ break;
}
glutPostRedisplay();
diff --git a/progs/glsl/CH11-bumpmaptex.frag b/progs/glsl/CH11-bumpmaptex.frag
new file mode 100644
index 0000000000..b1f93b784d
--- /dev/null
+++ b/progs/glsl/CH11-bumpmaptex.frag
@@ -0,0 +1,47 @@
+//
+// Fragment shader for procedural bumps
+//
+// Authors: John Kessenich, Randi Rost
+//
+// Copyright (c) 2002-2006 3Dlabs Inc. Ltd.
+//
+// See 3Dlabs-License.txt for license information
+//
+// Texture mapping/modulation added by Brian Paul
+//
+
+varying vec3 LightDir;
+varying vec3 EyeDir;
+
+uniform float BumpDensity; // = 16.0
+uniform float BumpSize; // = 0.15
+uniform float SpecularFactor; // = 0.5
+
+sampler2D Tex;
+
+void main()
+{
+ vec3 ambient = vec3(0.25);
+ vec3 litColor;
+ vec2 c = BumpDensity * gl_TexCoord[0].st;
+ vec2 p = fract(c) - vec2(0.5);
+
+ float d, f;
+ d = p.x * p.x + p.y * p.y;
+ f = inversesqrt(d + 1.0);
+
+ if (d >= BumpSize)
+ { p = vec2(0.0); f = 1.0; }
+
+ vec3 SurfaceColor = texture2D(Tex, gl_TexCoord[0].st).xyz;
+
+ vec3 normDelta = vec3(p.x, p.y, 1.0) * f;
+ litColor = SurfaceColor * (ambient + max(dot(normDelta, LightDir), 0.0));
+ vec3 reflectDir = reflect(LightDir, normDelta);
+
+ float spec = max(dot(EyeDir, reflectDir), 0.0);
+ spec *= SpecularFactor;
+ litColor = min(litColor + spec, vec3(1.0));
+
+ gl_FragColor = vec4(litColor, 1.0);
+}
diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c
index 50a0900f1c..e31afab939 100644
--- a/progs/glsl/bump.c
+++ b/progs/glsl/bump.c
@@ -12,15 +12,20 @@
#include <GL/glew.h>
#include <GL/glut.h>
#include "shaderutil.h"
+#include "readtex.h"
static char *FragProgFile = "CH11-bumpmap.frag";
+static char *FragTexProgFile = "CH11-bumpmaptex.frag";
static char *VertProgFile = "CH11-bumpmap.vert";
+static char *TextureFile = "../images/tile.rgb";
/* program/shader objects */
static GLuint fragShader;
+static GLuint fragTexShader;
static GLuint vertShader;
static GLuint program;
+static GLuint texProgram;
static struct uniform_info Uniforms[] = {
@@ -32,13 +37,26 @@ static struct uniform_info Uniforms[] = {
END_OF_UNIFORMS
};
+static struct uniform_info TexUniforms[] = {
+ { "LightPosition", 1, GL_FLOAT_VEC3, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 },
+ { "Tex", 1, GL_INT, { 0, 0, 0, 0 }, -1 },
+ { "BumpDensity", 1, GL_FLOAT, { 10.0, 0, 0, 0 }, -1 },
+ { "BumpSize", 1, GL_FLOAT, { 0.125, 0, 0, 0 }, -1 },
+ { "SpecularFactor", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 },
+ END_OF_UNIFORMS
+};
+
static GLint win = 0;
static GLfloat xRot = 20.0f, yRot = 0.0f, zRot = 0.0f;
static GLint tangentAttrib;
+static GLint tangentAttribTex;
+
+static GLuint Texture;
static GLboolean Anim = GL_FALSE;
+static GLboolean Textured = GL_FALSE;
static void
@@ -135,6 +153,11 @@ Redisplay(void)
glRotatef(yRot, 0.0f, 1.0f, 0.0f);
glRotatef(zRot, 0.0f, 0.0f, 1.0f);
+ if (Textured)
+ glUseProgram(texProgram);
+ else
+ glUseProgram(program);
+
Cube(1.5);
glPopMatrix();
@@ -163,8 +186,10 @@ static void
CleanUp(void)
{
glDeleteShader(fragShader);
+ glDeleteShader(fragTexShader);
glDeleteShader(vertShader);
glDeleteProgram(program);
+ glDeleteProgram(texProgram);
glutDestroyWindow(win);
}
@@ -181,6 +206,9 @@ Key(unsigned char key, int x, int y)
Anim = !Anim;
glutIdleFunc(Anim ? Idle : NULL);
break;
+ case 't':
+ Textured = !Textured;
+ break;
case 'z':
zRot += step;
break;
@@ -254,6 +282,26 @@ Init(void)
CheckError(__LINE__);
+
+ /*
+ * As above, but fragment shader also uses a texture map.
+ */
+ fragTexShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragTexProgFile);
+ texProgram = LinkShaders(vertShader, fragTexShader);
+ glUseProgram(texProgram);
+ assert(glIsProgram(texProgram));
+ assert(glIsShader(fragTexShader));
+ SetUniformValues(texProgram, TexUniforms);
+ PrintUniforms(TexUniforms);
+
+ /*
+ * Load tex image.
+ */
+ glGenTextures(1, &Texture);
+ glBindTexture(GL_TEXTURE_2D, Texture);
+ LoadRGBMipmaps(TextureFile, GL_RGB);
+
+
glClearColor(0.4f, 0.4f, 0.8f, 0.0f);
glEnable(GL_DEPTH_TEST);
@@ -268,10 +316,13 @@ ParseOptions(int argc, char *argv[])
int i;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-fs") == 0) {
- FragProgFile = argv[i+1];
+ FragProgFile = argv[++i];
}
else if (strcmp(argv[i], "-vs") == 0) {
- VertProgFile = argv[i+1];
+ VertProgFile = argv[++i];
+ }
+ else if (strcmp(argv[i], "-t") == 0) {
+ TextureFile = argv[++i];
}
}
}
diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c
index 30f2b75fef..588246b71a 100644
--- a/progs/glsl/deriv.c
+++ b/progs/glsl/deriv.c
@@ -27,11 +27,15 @@ static GLuint SphereList, RectList, CurList;
static GLint win = 0;
static GLboolean anim = GL_TRUE;
static GLfloat xRot = 0.0f, yRot = 0.0f;
+static GLint WinSize[2];
+static GLint WinSizeUniform = -1;
static void
Redisplay(void)
{
+ glUniform2iv(WinSizeUniform, 1, WinSize);
+
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
@@ -55,6 +59,8 @@ Idle(void)
static void
Reshape(int width, int height)
{
+ WinSize[0] = width;
+ WinSize[1] = height;
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
@@ -163,8 +169,10 @@ static void
Init(void)
{
static const char *fragShaderText =
+ "uniform ivec2 WinSize; \n"
"void main() {\n"
- " gl_FragColor = abs(dFdy(gl_TexCoord[0])) * 50.0;\n"
+ " vec2 d = dFdy(gl_TexCoord[0].xy) * vec2(WinSize); \n"
+ " gl_FragColor = vec4(d.x, d.y, 0.0, 1.0);\n"
" // gl_FragColor = gl_TexCoord[0];\n"
"}\n";
static const char *vertShaderText =
@@ -181,6 +189,7 @@ Init(void)
program = LinkShaders(vertShader, fragShader);
glUseProgram(program);
+ WinSizeUniform = glGetUniformLocation(program, "WinSize");
/*assert(glGetError() == 0);*/
@@ -220,8 +229,10 @@ ParseOptions(int argc, char *argv[])
int
main(int argc, char *argv[])
{
+ WinSize[0] = WinSize[1] = 200;
+
glutInit(&argc, argv);
- glutInitWindowSize(200, 200);
+ glutInitWindowSize(WinSize[0], WinSize[1]);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
win = glutCreateWindow(argv[0]);
glewInit();
diff --git a/progs/samples/Makefile b/progs/samples/Makefile
index b300e38b9c..64fa47addb 100644
--- a/progs/samples/Makefile
+++ b/progs/samples/Makefile
@@ -10,7 +10,7 @@ LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLU_LIB_NAME) $(T
LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -l$(GLEW_LIB) -l$(GLU_LIB) -l$(GL_LIB) $(APP_LIB_DEPS)
PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
- font line logo nurb olympic overlay point prim quad select \
+ font line logo nurb olympic overlay point prim rgbtoppm quad select \
shape sphere star stencil stretch texture tri wave
diff --git a/progs/samples/rgbtoppm.c b/progs/samples/rgbtoppm.c
index 116d9a8cfa..dcb74228df 100644
--- a/progs/samples/rgbtoppm.c
+++ b/progs/samples/rgbtoppm.c
@@ -86,13 +86,19 @@ static ImageRec *ImageOpen(char *fileName)
exit(1);
}
if ((image->file = fopen(fileName, "rb")) == NULL) {
- return NULL;
+ free(image);
+ return NULL;
}
fread(image, 1, 12, image->file);
if (swapFlag) {
- ConvertShort(&image->imagic, 6);
+ ConvertShort(&image->imagic, 1);
+ ConvertShort(&image->type, 1);
+ ConvertShort(&image->dim, 1);
+ ConvertShort(&image->xsize, 1);
+ ConvertShort(&image->ysize, 1);
+ ConvertShort(&image->zsize, 1);
}
image->tmp = (unsigned char *)malloc(image->xsize*256);
@@ -224,6 +230,7 @@ read_rgb_texture(char *name, int *width, int *height)
if (gbuf) free(gbuf);
if (bbuf) free(bbuf);
if (abuf) free(abuf);
+ ImageClose(image);
return NULL;
}
ptr = base;
diff --git a/progs/tests/Makefile b/progs/tests/Makefile
index 197e14d5b0..3e2541186b 100644
--- a/progs/tests/Makefile
+++ b/progs/tests/Makefile
@@ -98,6 +98,7 @@ SOURCES = \
texdown \
texfilt.c \
texgenmix.c \
+ texleak.c \
texline.c \
texobj.c \
texobjshare.c \
diff --git a/progs/tests/prog_parameter.c b/progs/tests/prog_parameter.c
index 0241f3a249..2de7e2994a 100644
--- a/progs/tests/prog_parameter.c
+++ b/progs/tests/prog_parameter.c
@@ -192,6 +192,7 @@ static void Init( void )
GLfloat * params;
GLint max_program_env_parameters;
GLint max_program_local_parameters;
+ int i;
printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
@@ -238,6 +239,10 @@ static void Init( void )
params = malloc(max_program_env_parameters * 4 * sizeof(GLfloat));
+ for (i = 0; i < max_program_env_parameters * 4; i++) {
+ params[i] = 0.0F;
+ }
+
pass &= set_parameter_batch(max_program_env_parameters, params, "Env",
program_env_parameter4fv,
program_env_parameters4fv,
diff --git a/progs/tests/texdown.c b/progs/tests/texdown.c
index e6881d39a0..92df01b83d 100644
--- a/progs/tests/texdown.c
+++ b/progs/tests/texdown.c
@@ -162,7 +162,7 @@ MeasureDownloadRate(void)
const int image_bytes = align(w * h * BytesPerTexel(Format), ALIGN);
const int bytes = image_bytes * NR_TEXOBJ;
GLubyte *orig_texImage, *orig_getImage;
- GLubyte *texImage, *getImage;
+ GLubyte *texImage;
GLdouble t0, t1, time;
int count;
int i;
@@ -184,7 +184,6 @@ MeasureDownloadRate(void)
printf("alloc %p %p\n", orig_texImage, orig_getImage);
texImage = (GLubyte *)align((unsigned long)orig_texImage, ALIGN);
- getImage = (GLubyte *)align((unsigned long)orig_getImage, ALIGN);
for (i = 1; !(((unsigned long)texImage) & i); i<<=1)
;
diff --git a/progs/tests/texleak.c b/progs/tests/texleak.c
new file mode 100644
index 0000000000..5cf4ff3239
--- /dev/null
+++ b/progs/tests/texleak.c
@@ -0,0 +1,140 @@
+/*
+ * 'Texture leak' test
+ *
+ * Allocates and uses an additional texture of the maximum supported size for
+ * each frame. This tests the system's ability to cope with using increasing
+ * amounts of texture memory.
+ *
+ * Michel Dänzer July 2009 This program is in the public domain.
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+
+
+GLint size;
+GLvoid *image;
+static GLuint numTexObj;
+static GLuint *texObj;
+
+
+static void Idle( void )
+{
+ glutPostRedisplay();
+}
+
+
+static void DrawObject(void)
+{
+ static const GLfloat tex_coords[] = { 0.0, 0.0, 1.0, 1.0, 0.0 };
+ static const GLfloat vtx_coords[] = { -1.0, -1.0, 1.0, 1.0, -1.0 };
+ GLint i, j;
+
+ glEnable(GL_TEXTURE_2D);
+
+ for (i = 0; i < numTexObj; i++) {
+ glBindTexture(GL_TEXTURE_2D, texObj[i]);
+ glBegin(GL_QUADS);
+ for (j = 0; j < 4; j++ ) {
+ glTexCoord2f(tex_coords[j], tex_coords[j+1]);
+ glVertex2f( vtx_coords[j], vtx_coords[j+1] );
+ }
+ glEnd();
+ }
+}
+
+
+static void Display( void )
+{
+ struct timeval start, end;
+
+ texObj = realloc(texObj, ++numTexObj * sizeof(*texObj));
+
+ /* allocate a texture object */
+ glGenTextures(1, texObj + (numTexObj - 1));
+
+ glBindTexture(GL_TEXTURE_2D, texObj[numTexObj - 1]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ memset(image, (16 * numTexObj) & 0xff, 4 * size * size);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size, size, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, image);
+
+ gettimeofday(&start, NULL);
+
+ glClear( GL_COLOR_BUFFER_BIT );
+
+ glPushMatrix();
+ glScalef(5.0, 5.0, 5.0);
+ DrawObject();
+ glPopMatrix();
+
+ glutSwapBuffers();
+
+ glFinish();
+ gettimeofday(&end, NULL);
+ printf("Rendering frame took %lu ms using %u MB of textures\n",
+ end.tv_sec * 1000 + end.tv_usec / 1000 - start.tv_sec * 1000 -
+ start.tv_usec / 1000, numTexObj * 4 * size / 1024 * size / 1024);
+
+ sleep(1);
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho( -6.0, 6.0, -6.0, 6.0, 10.0, 100.0 );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, -70.0 );
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+ glGetIntegerv(GL_MAX_TEXTURE_SIZE, &size);
+ printf("%d x %d max texture size\n", size, size);
+
+ image = malloc(4 * size * size);
+ if (!image) {
+ fprintf(stderr, "Failed to allocate %u bytes of memory\n", 4 * size * size);
+ exit(1);
+ }
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+ glShadeModel(GL_FLAT);
+ glClearColor(0.3, 0.3, 0.4, 1.0);
+
+ Idle();
+}
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowSize( 300, 300 );
+ glutInitWindowPosition( 0, 0 );
+ glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+ glutCreateWindow(argv[0] );
+ glewInit();
+
+ Init( argc, argv );
+
+ glutReshapeFunc( Reshape );
+ glutDisplayFunc( Display );
+ glutIdleFunc(Idle);
+
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/util/readtex.c b/progs/util/readtex.c
index 81cb626e91..d1c50a494a 100644
--- a/progs/util/readtex.c
+++ b/progs/util/readtex.c
@@ -117,7 +117,12 @@ static rawImageRec *RawImageOpen(const char *fileName)
fread(raw, 1, 12, raw->file);
if (swapFlag) {
- ConvertShort(&raw->imagic, 6);
+ ConvertShort(&raw->imagic, 1);
+ ConvertShort(&raw->type, 1);
+ ConvertShort(&raw->dim, 1);
+ ConvertShort(&raw->sizeX, 1);
+ ConvertShort(&raw->sizeY, 1);
+ ConvertShort(&raw->sizeZ, 1);
}
raw->tmp = (unsigned char *)malloc(raw->sizeX*256);
diff --git a/progs/vpglsl/vp-tris.c b/progs/vpglsl/vp-tris.c
index b2b0508091..6a1fa3d3bf 100644
--- a/progs/vpglsl/vp-tris.c
+++ b/progs/vpglsl/vp-tris.c
@@ -84,9 +84,9 @@ static void check_link(GLuint prog)
static void setup_uniforms()
{
{
- GLuint loc1f = glGetUniformLocationARB(program, "Offset1f");
- GLuint loc2f = glGetUniformLocationARB(program, "Offset2f");
- GLuint loc4f = glGetUniformLocationARB(program, "Offset4f");
+ GLint loc1f = glGetUniformLocationARB(program, "Offset1f");
+ GLint loc2f = glGetUniformLocationARB(program, "Offset2f");
+ GLint loc4f = glGetUniformLocationARB(program, "Offset4f");
GLfloat vecKer[] =
{ 1.0, 0.0, 0.0, 1.0,
0.0, 1.0, 0.0, 1.0,
@@ -105,9 +105,9 @@ static void setup_uniforms()
}
{
- GLuint loc1f = glGetUniformLocationARB(program, "KernelValue1f");
- GLuint loc2f = glGetUniformLocationARB(program, "KernelValue2f");
- GLuint loc4f = glGetUniformLocationARB(program, "KernelValue4f");
+ GLint loc1f = glGetUniformLocationARB(program, "KernelValue1f");
+ GLint loc2f = glGetUniformLocationARB(program, "KernelValue2f");
+ GLint loc4f = glGetUniformLocationARB(program, "KernelValue4f");
GLfloat vecKer[] =
{ 1.0, 0.0, 0.0, 0.25,
0.0, 1.0, 0.0, 0.25,
diff --git a/progs/xdemos/glxinfo.c b/progs/xdemos/glxinfo.c
index b182a3091d..23df82f6f9 100644
--- a/progs/xdemos/glxinfo.c
+++ b/progs/xdemos/glxinfo.c
@@ -401,6 +401,10 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
root = RootWindow(dpy, scrnum);
+ /*
+ * Find a basic GLX visual. We'll then create a rendering context and
+ * query various info strings.
+ */
visinfo = glXChooseVisual(dpy, scrnum, attribSingle);
if (!visinfo)
visinfo = glXChooseVisual(dpy, scrnum, attribDouble);
@@ -409,24 +413,29 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect );
#ifdef GLX_VERSION_1_3
- {
+ /* Try glXChooseFBConfig() if glXChooseVisual didn't work.
+ * XXX when would that happen?
+ */
+ if (!visinfo) {
int fbAttribSingle[] = {
GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
- GLX_DOUBLEBUFFER, GL_TRUE,
+ GLX_DOUBLEBUFFER, GL_FALSE,
None };
int fbAttribDouble[] = {
GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
+ GLX_DOUBLEBUFFER, GL_TRUE,
None };
GLXFBConfig *configs = NULL;
int nConfigs;
- if (!visinfo)
+ configs = glXChooseFBConfig(dpy, scrnum, fbAttribSingle, &nConfigs);
+ if (!configs)
configs = glXChooseFBConfig(dpy, scrnum, fbAttribDouble, &nConfigs);
if (configs) {