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cut down on redundant gl uniform changes

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This commit is contained in:
Konstantin Käfer
2014-02-13 16:21:51 +01:00
parent f5846e1ebb
commit da06a52056
15 changed files with 249 additions and 74 deletions
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43
src/renderer/shader-pattern.cpp
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@@ -40,3 +40,46 @@ void PatternShader::bind(char *offset) {
glEnableVertexAttribArray(a_pos);
glVertexAttribPointer(a_pos, 2, GL_SHORT, false, 0, offset);
}
void PatternShader::setColor(const std::array<float, 4>& new_color) {
if (color != new_color) {
glUniform4fv(u_color, 1, new_color.data());
color = new_color;
}
}
void PatternShader::setOffset(const std::array<float, 2>& new_offset) {
if (offset != new_offset) {
glUniform2fv(u_offset, 1, new_offset.data());
offset = new_offset;
}
}
void PatternShader::setPatternSize(const std::array<float, 2>& new_pattern_size) {
if (pattern_size != new_pattern_size) {
glUniform2fv(u_pattern_size, 1, new_pattern_size.data());
pattern_size = new_pattern_size;
}
}
void PatternShader::setPatternTopLeft(const std::array<float, 2>& new_pattern_tl) {
if (pattern_tl != new_pattern_tl) {
glUniform2fv(u_pattern_tl, 1, new_pattern_tl.data());
pattern_tl = new_pattern_tl;
}
}
void PatternShader::setPatternBottomRight(const std::array<float, 2>& new_pattern_br) {
if (pattern_br != new_pattern_br) {
glUniform2fv(u_pattern_br, 1, new_pattern_br.data());
pattern_br = new_pattern_br;
}
}
void PatternShader::setMix(float new_mix) {
if (mix != new_mix) {
glUniform1f(u_mix, new_mix);
mix = new_mix;
}
}