X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=util.h;h=e102f2115612ede741798f86e58fec3a718622a4;hp=a89d3a2adf4be608e296b2357e0b79f6104b3151;hb=dffda797f940519873d07fe942017c0dafea2342;hpb=42f0fd5ccbb3560a76d55f3e725416a5e0f93523

diff --git a/util.h b/util.h
index a89d3a2..e102f21 100644
--- a/util.h
+++ b/util.h
@@ -38,6 +38,11 @@ void print_3x3_matrix(const Eigen::Matrix3d &m);
 // Output a GLSL 3x3 matrix declaration.
 std::string output_glsl_mat3(const std::string &name, const Eigen::Matrix3d &m);
 
+// Output GLSL scalar, 2-length and 3-length vector declarations.
+std::string output_glsl_float(const std::string &name, float x);
+std::string output_glsl_vec2(const std::string &name, float x, float y);
+std::string output_glsl_vec3(const std::string &name, float x, float y, float z);
+
 // Calculate a / b, rounding up. Does not handle overflow correctly.
 unsigned div_round_up(unsigned a, unsigned b);
 
@@ -62,8 +67,9 @@ enum CombineRoundingBehavior {
 // is COMBINE_ROUND_TO_FP16, the coordinate is assumed to be stored as a
 // rounded fp16 value. This enables more precise calculation of total_weight
 // and sum_sq_error.
-void combine_two_samples(float w1, float w2, float pos1, float pos2, unsigned size, CombineRoundingBehavior rounding_behavior,
-                         float *offset, float *total_weight, float *sum_sq_error);
+template<class DestFloat>
+void combine_two_samples(float w1, float w2, float pos1, float pos2, unsigned size,
+                         DestFloat *offset, DestFloat *total_weight, float *sum_sq_error);
 
 // Create a VBO with the given data, and bind it to the vertex attribute
 // with name <attribute_name>. Returns the VBO number.