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-rw-r--r--progs/glsl/brick.c13
-rw-r--r--progs/glsl/bump.c13
-rw-r--r--progs/glsl/mandelbrot.c11
-rw-r--r--progs/glsl/multitex.c84
-rw-r--r--progs/glsl/noise.c7
-rw-r--r--progs/glsl/texdemo1.c11
-rw-r--r--progs/glsl/toyball.c27
-rw-r--r--progs/glsl/vert-tex.c2
8 files changed, 121 insertions, 47 deletions
diff --git a/progs/glsl/brick.c b/progs/glsl/brick.c
index 1d08b231e7..0653c592e5 100644
--- a/progs/glsl/brick.c
+++ b/progs/glsl/brick.c
@@ -24,12 +24,12 @@ static GLuint program;
static struct uniform_info Uniforms[] = {
/* vert */
- { "LightPosition", 3, GL_FLOAT, { 0.1, 0.1, 9.0, 0}, -1 },
+ { "LightPosition", 1, GL_FLOAT_VEC3, { 0.1, 0.1, 9.0, 0}, -1 },
/* frag */
- { "BrickColor", 3, GL_FLOAT, { 0.8, 0.2, 0.2, 0 }, -1 },
- { "MortarColor", 3, GL_FLOAT, { 0.6, 0.6, 0.6, 0 }, -1 },
- { "BrickSize", 2, GL_FLOAT, { 1.0, 0.3, 0, 0 }, -1 },
- { "BrickPct", 2, GL_FLOAT, { 0.9, 0.8, 0, 0 }, -1 },
+ { "BrickColor", 1, GL_FLOAT_VEC3, { 0.8, 0.2, 0.2, 0 }, -1 },
+ { "MortarColor", 1, GL_FLOAT_VEC3, { 0.6, 0.6, 0.6, 0 }, -1 },
+ { "BrickSize", 1, GL_FLOAT_VEC2, { 1.0, 0.3, 0, 0 }, -1 },
+ { "BrickPct", 1, GL_FLOAT_VEC2, { 0.9, 0.8, 0, 0 }, -1 },
END_OF_UNIFORMS
};
@@ -148,7 +148,8 @@ Init(void)
glUseProgram(program);
- InitUniforms(program, Uniforms);
+ SetUniformValues(program, Uniforms);
+ PrintUniforms(Uniforms);
assert(glGetError() == 0);
diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c
index ddb986abcb..c0d39c049d 100644
--- a/progs/glsl/bump.c
+++ b/progs/glsl/bump.c
@@ -24,11 +24,11 @@ static GLuint program;
static struct uniform_info Uniforms[] = {
- { "LightPosition", 3, GL_FLOAT, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 },
- { "SurfaceColor", 3, GL_FLOAT, { 0.8, 0.8, 0.2, 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 },
+ { "LightPosition", 1, GL_FLOAT_VEC3, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 },
+ { "SurfaceColor", 1, GL_FLOAT_VEC3, { 0.8, 0.8, 0.2, 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
};
@@ -242,7 +242,8 @@ Init(void)
CheckError(__LINE__);
- InitUniforms(program, Uniforms);
+ SetUniformValues(program, Uniforms);
+ PrintUniforms(Uniforms);
CheckError(__LINE__);
diff --git a/progs/glsl/mandelbrot.c b/progs/glsl/mandelbrot.c
index 38dffc3e74..729a6f125a 100644
--- a/progs/glsl/mandelbrot.c
+++ b/progs/glsl/mandelbrot.c
@@ -25,7 +25,7 @@ static GLuint program;
static struct uniform_info Uniforms[] = {
/* vert */
- { "LightPosition", 3, GL_FLOAT, { 0.1, 0.1, 9.0, 0}, -1 },
+ { "LightPosition", 1, GL_FLOAT_VEC3, { 0.1, 0.1, 9.0, 0}, -1 },
{ "SpecularContribution", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 },
{ "DiffuseContribution", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 },
{ "Shininess", 1, GL_FLOAT, { 20.0, 0, 0, 0 }, -1 },
@@ -34,9 +34,9 @@ static struct uniform_info Uniforms[] = {
{ "Zoom", 1, GL_FLOAT, { 0.125, 0, 0, 0 }, -1 },
{ "Xcenter", 1, GL_FLOAT, { -1.5, 0, 0, 0 }, -1 },
{ "Ycenter", 1, GL_FLOAT, { .005, 0, 0, 0 }, -1 },
- { "InnerColor", 3, GL_FLOAT, { 1, 0, 0, 0 }, -1 },
- { "OuterColor1", 3, GL_FLOAT, { 0, 1, 0, 0 }, -1 },
- { "OuterColor2", 3, GL_FLOAT, { 0, 0, 1, 0 }, -1 },
+ { "InnerColor", 1, GL_FLOAT_VEC3, { 1, 0, 0, 0 }, -1 },
+ { "OuterColor1", 1, GL_FLOAT_VEC3, { 0, 1, 0, 0 }, -1 },
+ { "OuterColor2", 1, GL_FLOAT_VEC3, { 0, 0, 1, 0 }, -1 },
END_OF_UNIFORMS
};
@@ -159,7 +159,8 @@ Init(void)
glUseProgram(program);
- InitUniforms(program, Uniforms);
+ SetUniformValues(program, Uniforms);
+ PrintUniforms(Uniforms);
uZoom = glGetUniformLocation(program, "Zoom");
uXcenter = glGetUniformLocation(program, "Xcenter");
diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c
index 913f73be17..6ec9c833e6 100644
--- a/progs/glsl/multitex.c
+++ b/progs/glsl/multitex.c
@@ -51,14 +51,16 @@ static GLfloat Xrot = 0.0, Yrot = .0, Zrot = 0.0;
static GLfloat EyeDist = 10;
static GLboolean Anim = GL_TRUE;
static GLboolean UseArrays = GL_TRUE;
+static GLboolean UseVBO = GL_TRUE;
+static GLuint VBO = 0;
static GLint VertCoord_attr = -1, TexCoord0_attr = -1, TexCoord1_attr = -1;
/* 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 },
+ { "tex1", 1, GL_SAMPLER_2D, { 0, 0, 0, 0 }, -1 },
+ { "tex2", 1, GL_SAMPLER_2D, { 1, 0, 0, 0 }, -1 },
END_OF_UNIFORMS
};
@@ -76,28 +78,81 @@ static const GLfloat VertCoords[4][2] = {
};
+
+static void
+SetupVertexBuffer(void)
+{
+ glGenBuffersARB(1, &VBO);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, VBO);
+
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB,
+ sizeof(VertCoords) +
+ sizeof(Tex0Coords) +
+ sizeof(Tex1Coords),
+ NULL,
+ GL_STATIC_DRAW_ARB);
+
+ /* non-interleaved vertex arrays */
+
+ glBufferSubDataARB(GL_ARRAY_BUFFER_ARB,
+ 0, /* offset */
+ sizeof(VertCoords), /* size */
+ VertCoords); /* data */
+
+ glBufferSubDataARB(GL_ARRAY_BUFFER_ARB,
+ sizeof(VertCoords), /* offset */
+ sizeof(Tex0Coords), /* size */
+ Tex0Coords); /* data */
+
+ glBufferSubDataARB(GL_ARRAY_BUFFER_ARB,
+ sizeof(VertCoords) +
+ sizeof(Tex0Coords), /* offset */
+ sizeof(Tex1Coords), /* size */
+ Tex1Coords); /* data */
+
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+}
+
+
static void
DrawPolygonArray(void)
{
+ void *vertPtr, *tex0Ptr, *tex1Ptr;
+
+ if (UseVBO) {
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, VBO);
+ vertPtr = (void *) 0;
+ tex0Ptr = (void *) sizeof(VertCoords);
+ tex1Ptr = (void *) (sizeof(VertCoords) + sizeof(Tex0Coords));
+ }
+ else {
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ vertPtr = VertCoords;
+ tex0Ptr = Tex0Coords;
+ tex1Ptr = Tex1Coords;
+ }
+
if (VertCoord_attr >= 0) {
glVertexAttribPointer(VertCoord_attr, 2, GL_FLOAT, GL_FALSE,
- 0, VertCoords);
+ 0, vertPtr);
glEnableVertexAttribArray(VertCoord_attr);
}
else {
- glVertexPointer(2, GL_FLOAT, 0, VertCoords);
- glEnable(GL_VERTEX_ARRAY);
+ glVertexPointer(2, GL_FLOAT, 0, vertPtr);
+ glEnableClientState(GL_VERTEX_ARRAY);
}
glVertexAttribPointer(TexCoord0_attr, 2, GL_FLOAT, GL_FALSE,
- 0, Tex0Coords);
+ 0, tex0Ptr);
glEnableVertexAttribArray(TexCoord0_attr);
glVertexAttribPointer(TexCoord1_attr, 2, GL_FLOAT, GL_FALSE,
- 0, Tex1Coords);
+ 0, tex1Ptr);
glEnableVertexAttribArray(TexCoord1_attr);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
@@ -163,6 +218,10 @@ key(unsigned char k, int x, int y)
UseArrays = !UseArrays;
printf("Arrays: %d\n", UseArrays);
break;
+ case 'v':
+ UseVBO = !UseVBO;
+ printf("Use VBO: %d\n", UseVBO);
+ break;
case ' ':
Anim = !Anim;
if (Anim)
@@ -269,7 +328,8 @@ CreateProgram(const char *vertProgFile, const char *fragProgFile,
glUseProgram(program);
- InitUniforms(program, uniforms);
+ SetUniformValues(program, uniforms);
+ PrintUniforms(Uniforms);
VertCoord_attr = glGetAttribLocation(program, "VertCoord");
if (VertCoord_attr > 0) {
@@ -314,10 +374,18 @@ InitGL(void)
/*exit(1);*/
}
printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
+ printf("Usage:\n");
+ printf(" a - toggle arrays vs. immediate mode rendering\n");
+ printf(" v - toggle VBO usage for array rendering\n");
+ printf(" z/Z - change viewing distance\n");
+ printf(" SPACE - toggle animation\n");
+ printf(" Esc - exit\n");
InitTextures();
InitPrograms();
+ SetupVertexBuffer();
+
glEnable(GL_DEPTH_TEST);
glClearColor(.6, .6, .9, 0);
diff --git a/progs/glsl/noise.c b/progs/glsl/noise.c
index 59f594e78b..8c36e1c59b 100644
--- a/progs/glsl/noise.c
+++ b/progs/glsl/noise.c
@@ -35,8 +35,8 @@ static const char *FragShaderText =
static struct uniform_info Uniforms[] = {
- { "Scale", 4, GL_FLOAT, { 0.5, 0.4, 0.0, 0}, -1 },
- { "Bias", 4, GL_FLOAT, { 0.5, 0.3, 0.0, 0}, -1 },
+ { "Scale", 1, GL_FLOAT_VEC4, { 0.5, 0.4, 0.0, 0}, -1 },
+ { "Bias", 1, GL_FLOAT_VEC4, { 0.5, 0.3, 0.0, 0}, -1 },
{ "Slice", 1, GL_FLOAT, { 0.5, 0, 0, 0}, -1 },
END_OF_UNIFORMS
};
@@ -179,7 +179,8 @@ Init(void)
glUseProgram(program);
- InitUniforms(program, Uniforms);
+ SetUniformValues(program, Uniforms);
+ PrintUniforms(Uniforms);
assert(glGetError() == 0);
diff --git a/progs/glsl/texdemo1.c b/progs/glsl/texdemo1.c
index d55f9e7dd9..5b1913a722 100644
--- a/progs/glsl/texdemo1.c
+++ b/progs/glsl/texdemo1.c
@@ -53,14 +53,14 @@ static int win = 0;
static struct uniform_info ReflectUniforms[] = {
- { "cubeTex", 1, GL_INT, { 0, 0, 0, 0 }, -1 },
- { "lightPos", 3, GL_FLOAT, { 10, 10, 20, 0 }, -1 },
+ { "cubeTex", 1, GL_SAMPLER_CUBE, { 0, 0, 0, 0 }, -1 },
+ { "lightPos", 1, GL_FLOAT_VEC3, { 10, 10, 20, 0 }, -1 },
END_OF_UNIFORMS
};
static struct uniform_info SimpleUniforms[] = {
- { "tex2d", 1, GL_INT, { 1, 0, 0, 0 }, -1 },
- { "lightPos", 3, GL_FLOAT, { 10, 10, 20, 0 }, -1 },
+ { "tex2d", 1, GL_SAMPLER_2D, { 1, 0, 0, 0 }, -1 },
+ { "lightPos", 1, GL_FLOAT_VEC3, { 10, 10, 20, 0 }, -1 },
END_OF_UNIFORMS
};
@@ -382,7 +382,8 @@ CreateProgram(const char *vertProgFile, const char *fragProgFile,
glUseProgram(program);
- InitUniforms(program, uniforms);
+ SetUniformValues(program, uniforms);
+ PrintUniforms(uniforms);
return program;
}
diff --git a/progs/glsl/toyball.c b/progs/glsl/toyball.c
index 7fe27aebfe..89733d6175 100644
--- a/progs/glsl/toyball.c
+++ b/progs/glsl/toyball.c
@@ -24,18 +24,18 @@ static GLuint program;
static struct uniform_info Uniforms[] = {
- { "LightDir", 4, GL_FLOAT, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 },
- { "HVector", 4, GL_FLOAT, { 0.32506, 0.32506, 0.88808, 0.0 }, -1 },
- { "BallCenter", 4, GL_FLOAT, { 0.0, 0.0, 0.0, 1.0 }, -1 },
- { "SpecularColor", 4, GL_FLOAT, { 0.4, 0.4, 0.4, 60.0 }, -1 },
- { "Red", 4, GL_FLOAT, { 0.6, 0.0, 0.0, 1.0 }, -1 },
- { "Blue", 4, GL_FLOAT, { 0.0, 0.3, 0.6, 1.0 }, -1 },
- { "Yellow", 4, GL_FLOAT, { 0.6, 0.5, 0.0, 1.0 }, -1 },
- { "HalfSpace0", 4, GL_FLOAT, { 1.0, 0.0, 0.0, 0.2 }, -1 },
- { "HalfSpace1", 4, GL_FLOAT, { 0.309016994, 0.951056516, 0.0, 0.2 }, -1 },
- { "HalfSpace2", 4, GL_FLOAT, { -0.809016994, 0.587785252, 0.0, 0.2 }, -1 },
- { "HalfSpace3", 4, GL_FLOAT, { -0.809016994, -0.587785252, 0.0, 0.2 }, -1 },
- { "HalfSpace4", 4, GL_FLOAT, { 0.309116994, -0.951056516, 0.0, 0.2 }, -1 },
+ { "LightDir", 1, GL_FLOAT_VEC4, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 },
+ { "HVector", 1, GL_FLOAT_VEC4, { 0.32506, 0.32506, 0.88808, 0.0 }, -1 },
+ { "BallCenter", 1, GL_FLOAT_VEC4, { 0.0, 0.0, 0.0, 1.0 }, -1 },
+ { "SpecularColor", 1, GL_FLOAT_VEC4, { 0.4, 0.4, 0.4, 60.0 }, -1 },
+ { "Red", 1, GL_FLOAT_VEC4, { 0.6, 0.0, 0.0, 1.0 }, -1 },
+ { "Blue", 1, GL_FLOAT_VEC4, { 0.0, 0.3, 0.6, 1.0 }, -1 },
+ { "Yellow", 1, GL_FLOAT_VEC4, { 0.6, 0.5, 0.0, 1.0 }, -1 },
+ { "HalfSpace0", 1, GL_FLOAT_VEC4, { 1.0, 0.0, 0.0, 0.2 }, -1 },
+ { "HalfSpace1", 1, GL_FLOAT_VEC4, { 0.309016994, 0.951056516, 0.0, 0.2 }, -1 },
+ { "HalfSpace2", 1, GL_FLOAT_VEC4, { -0.809016994, 0.587785252, 0.0, 0.2 }, -1 },
+ { "HalfSpace3", 1, GL_FLOAT_VEC4, { -0.809016994, -0.587785252, 0.0, 0.2 }, -1 },
+ { "HalfSpace4", 1, GL_FLOAT_VEC4, { 0.309116994, -0.951056516, 0.0, 0.2 }, -1 },
{ "InOrOutInit", 1, GL_FLOAT, { -3.0, 0, 0, 0 }, -1 },
{ "StripeWidth", 1, GL_FLOAT, { 0.3, 0, 0, 0 }, -1 },
{ "FWidth", 1, GL_FLOAT, { 0.005, 0, 0, 0 }, -1 },
@@ -173,7 +173,8 @@ Init(void)
glUseProgram(program);
- InitUniforms(program, Uniforms);
+ SetUniformValues(program, Uniforms);
+ PrintUniforms(Uniforms);
assert(glGetError() == 0);
diff --git a/progs/glsl/vert-tex.c b/progs/glsl/vert-tex.c
index e791a5759a..4c8bfa587a 100644
--- a/progs/glsl/vert-tex.c
+++ b/progs/glsl/vert-tex.c
@@ -43,7 +43,7 @@ static GLfloat xRot = -70.0f, yRot = 0.0f, zRot = 0.0f;
/* value[0] = tex unit */
static struct uniform_info Uniforms[] = {
- { "tex1", 1, GL_INT, { 0, 0, 0, 0 }, -1 },
+ { "tex1", 1, GL_SAMPLER_2D, { 0, 0, 0, 0 }, -1 },
END_OF_UNIFORMS
};
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-03 00:26:52 +0000