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authorBrian Paul <brianp@vmware.com>2010-05-25 18:39:47 -0600
committerBrian Paul <brianp@vmware.com>2010-05-25 21:18:32 -0600
commit91f841aefc16e9c92afc57f0a64486f26834b972 (patch)
tree762d08e71d1d35a31eda6b1727b46e225aefdfc8 /src/mesa/shader
parentf0896e7f80c2c00d263b3ecd7bb18dfffa9a01a8 (diff)
mesa: support for unsigned int uniforms
Diffstat (limited to 'src/mesa/shader')
-rw-r--r--src/mesa/shader/shader_api.c56
1 files changed, 55 insertions, 1 deletions
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index f47f213ac8..bb8e972541 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -808,14 +808,17 @@ _mesa_sizeof_glsl_type(GLenum type)
return 1;
case GL_FLOAT_VEC2:
case GL_INT_VEC2:
+ case GL_UNSIGNED_INT_VEC2:
case GL_BOOL_VEC2:
return 2;
case GL_FLOAT_VEC3:
case GL_INT_VEC3:
+ case GL_UNSIGNED_INT_VEC3:
case GL_BOOL_VEC3:
return 3;
case GL_FLOAT_VEC4:
case GL_INT_VEC4:
+ case GL_UNSIGNED_INT_VEC4:
case GL_BOOL_VEC4:
return 4;
case GL_FLOAT_MAT2:
@@ -868,6 +871,21 @@ is_integer_type(GLenum type)
static GLboolean
+is_uint_type(GLenum type)
+{
+ switch (type) {
+ case GL_UNSIGNED_INT:
+ case GL_UNSIGNED_INT_VEC2:
+ case GL_UNSIGNED_INT_VEC3:
+ case GL_UNSIGNED_INT_VEC4:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+static GLboolean
is_sampler_type(GLenum type)
{
switch (type) {
@@ -1681,18 +1699,23 @@ compatible_types(GLenum userType, GLenum targetType)
if (userType == targetType)
return GL_TRUE;
- if (targetType == GL_BOOL && (userType == GL_FLOAT || userType == GL_INT))
+ if (targetType == GL_BOOL && (userType == GL_FLOAT ||
+ userType == GL_UNSIGNED_INT ||
+ userType == GL_INT))
return GL_TRUE;
if (targetType == GL_BOOL_VEC2 && (userType == GL_FLOAT_VEC2 ||
+ userType == GL_UNSIGNED_INT_VEC2 ||
userType == GL_INT_VEC2))
return GL_TRUE;
if (targetType == GL_BOOL_VEC3 && (userType == GL_FLOAT_VEC3 ||
+ userType == GL_UNSIGNED_INT_VEC3 ||
userType == GL_INT_VEC3))
return GL_TRUE;
if (targetType == GL_BOOL_VEC4 && (userType == GL_FLOAT_VEC4 ||
+ userType == GL_UNSIGNED_INT_VEC4 ||
userType == GL_INT_VEC4))
return GL_TRUE;
@@ -1790,6 +1813,7 @@ set_program_uniform(GLcontext *ctx, struct gl_program *program,
/* ordinary uniform variable */
const GLboolean isUniformBool = is_boolean_type(param->DataType);
const GLboolean areIntValues = is_integer_type(type);
+ const GLboolean areUintValues = is_uint_type(type);
const GLint slots = (param->Size + 3) / 4;
const GLint typeSize = _mesa_sizeof_glsl_type(param->DataType);
GLsizei k, i;
@@ -1827,6 +1851,13 @@ set_program_uniform(GLcontext *ctx, struct gl_program *program,
uniformVal[i] = (GLfloat) iValues[i];
}
}
+ else if (areUintValues) {
+ /* convert user's uints to floats */
+ const GLuint *iValues = ((const GLuint *) values) + k * elems;
+ for (i = 0; i < elems; i++) {
+ uniformVal[i] = (GLfloat) iValues[i];
+ }
+ }
else {
const GLfloat *fValues = ((const GLfloat *) values) + k * elems;
for (i = 0; i < elems; i++) {
@@ -1892,6 +1923,10 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count,
basicType = GL_INT;
elems = 1;
break;
+ case GL_UNSIGNED_INT:
+ basicType = GL_UNSIGNED_INT;
+ elems = 1;
+ break;
case GL_FLOAT_VEC2:
basicType = GL_FLOAT;
elems = 2;
@@ -1900,6 +1935,10 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count,
basicType = GL_INT;
elems = 2;
break;
+ case GL_UNSIGNED_INT_VEC2:
+ basicType = GL_UNSIGNED_INT;
+ elems = 2;
+ break;
case GL_FLOAT_VEC3:
basicType = GL_FLOAT;
elems = 3;
@@ -1908,6 +1947,10 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count,
basicType = GL_INT;
elems = 3;
break;
+ case GL_UNSIGNED_INT_VEC3:
+ basicType = GL_UNSIGNED_INT;
+ elems = 3;
+ break;
case GL_FLOAT_VEC4:
basicType = GL_FLOAT;
elems = 4;
@@ -1916,6 +1959,10 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count,
basicType = GL_INT;
elems = 4;
break;
+ case GL_UNSIGNED_INT_VEC4:
+ basicType = GL_UNSIGNED_INT;
+ elems = 4;
+ break;
default:
_mesa_problem(ctx, "Invalid type in _mesa_uniform");
return;
@@ -1935,8 +1982,15 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count,
printf("%d ", v[i]);
}
}
+ else if (basicType == GL_UNSIGNED_INT) {
+ const GLuint *v = (const GLuint *) values;
+ for (i = 0; i < count * elems; i++) {
+ printf("%u ", v[i]);
+ }
+ }
else {
const GLfloat *v = (const GLfloat *) values;
+ assert(basicType == GL_FLOAT);
for (i = 0; i < count * elems; i++) {
printf("%g ", v[i]);
}