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Switches instead of if ladders

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This commit is contained in:
Luke Benstead 2022-11-04 19:24:12 +00:00
parent 8ca70a2920
commit b6593acc83
1 changed files with 21 additions and 14 deletions
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35
GL/draw.c
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@ -866,14 +866,15 @@ static void generate(SubmissionTarget* target, const GLenum mode, const GLsizei
if(indices) {
generateElementsFastPath(target, first, count, indices, type);
} else {
if(mode == GL_QUADS) {
generateArraysFastPath_QUADS(target, first, count);
return; // Don't need to do any more processing
} else if(mode == GL_TRIANGLES) {
generateArraysFastPath_TRIS(target, first, count);
return; // Don't need to do any more processing
} else {
generateArraysFastPath_ALL(target, first, count);
switch(mode) {
case GL_QUADS:
generateArraysFastPath_QUADS(target, first, count);
return; // Don't need to do any more processing
case GL_TRIANGLES:
generateArraysFastPath_TRIS(target, first, count);
return; // Don't need to do any more processing
default:
generateArraysFastPath_ALL(target, first, count);
}
}
} else {
@ -1088,12 +1089,18 @@ GL_FORCE_INLINE void submitVertices(GLenum mode, GLsizei first, GLuint count, GL
* We optimise the triangle and quad cases.
*/
if(mode == GL_POLYGON) {
if(count == 3) {
mode = GL_TRIANGLES;
} else if(count == 4) {
mode = GL_QUADS;
} else {
mode = GL_TRIANGLE_FAN;
switch(count) {
case 2:
mode = GL_LINES;
break;
case 3:
mode = GL_TRIANGLES;
break;
case 4:
mode = GL_QUADS;
break;
default:
mode = GL_TRIANGLE_FAN;
}
}