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clean up shader get-type code

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This commit is contained in:
codeanticode
2013-10-20 17:20:20 -04:00
parent a9d26bebb4
commit 930f6fd57e
2 changed files with 61 additions and 71 deletions
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63
core/src/processing/opengl/PShader.java
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@@ -48,6 +48,29 @@ public class PShader implements PConstants {
static protected final int TEXTURE = 5;
static protected final int TEXLIGHT = 6;
static protected String pointShaderAttrRegexp =
"attribute *vec2 *offset";
static protected String lineShaderAttrRegexp =
"attribute *vec4 *direction";
static protected String pointShaderDefRegexp =
"#define *PROCESSING_POINT_SHADER";
static protected String lineShaderDefRegexp =
"#define *PROCESSING_LINE_SHADER";
static protected String colorShaderDefRegexp =
"#define *PROCESSING_COLOR_SHADER";
static protected String lightShaderDefRegexp =
"#define *PROCESSING_LIGHT_SHADER";
static protected String texShaderDefRegexp =
"#define *PROCESSING_TEXTURE_SHADER";
static protected String texlightShaderDefRegexp =
"#define *PROCESSING_TEXLIGHT_SHADER";
static protected String polyShaderDefRegexp =
"#define *PROCESSING_POLYGON_SHADER";
static protected String triShaderAttrRegexp =
"#define *PROCESSING_TRIANGLES_SHADER";
static protected String quadShaderAttrRegexp =
"#define *PROCESSING_QUADS_SHADER";
protected PApplet parent;
// The main renderer associated to the parent PApplet.
//protected PGraphicsOpenGL pgMain;
@@ -184,8 +207,8 @@ public class PShader implements PConstants {
intBuffer = PGL.allocateIntBuffer(1);
floatBuffer = PGL.allocateFloatBuffer(1);
int vertType = PGraphicsOpenGL.pgPrimary.getShaderType(vertFilename, -1);
int fragType = PGraphicsOpenGL.pgPrimary.getShaderType(fragFilename, -1);
int vertType = getShaderType(parent.loadStrings(vertFilename), -1);
int fragType = getShaderType(parent.loadStrings(fragFilename), -1);
if (vertType == -1 && fragType == -1) {
type = PShader.POLY;
} else if (vertType == -1) {
@@ -222,12 +245,14 @@ public class PShader implements PConstants {
int vertType = -1, fragType = -1;
try {
vertType = PGraphicsOpenGL.pgPrimary.getShaderType(vertURL, -1);
String[] source = PApplet.loadStrings(vertURL.openStream());
vertType = getShaderType(source, -1);
} catch (IOException e) {
PGraphics.showException("Vertex URL cannot be accessed both null!");
}
try {
fragType = PGraphicsOpenGL.pgPrimary.getShaderType(fragURL, -1);
String[] source = PApplet.loadStrings(fragURL.openStream());
fragType = getShaderType(source, -1);
} catch (IOException e) {
PGraphics.showException("Fragment URL cannot be accessed both null!");
}
@@ -972,6 +997,36 @@ public class PShader implements PConstants {
}
}
static protected int getShaderType(String[] source, int defaultType) {
for (int i = 0; i < source.length; i++) {
String line = source[i].trim();
if (PApplet.match(line, pointShaderAttrRegexp) != null)
return PShader.POINT;
else if (PApplet.match(line, lineShaderAttrRegexp) != null)
return PShader.LINE;
else if (PApplet.match(line, pointShaderDefRegexp) != null)
return PShader.POINT;
else if (PApplet.match(line, lineShaderDefRegexp) != null)
return PShader.LINE;
else if (PApplet.match(line, colorShaderDefRegexp) != null)
return PShader.COLOR;
else if (PApplet.match(line, lightShaderDefRegexp) != null)
return PShader.LIGHT;
else if (PApplet.match(line, texShaderDefRegexp) != null)
return PShader.TEXTURE;
else if (PApplet.match(line, texlightShaderDefRegexp) != null)
return PShader.TEXLIGHT;
else if (PApplet.match(line, polyShaderDefRegexp) != null)
return PShader.POLY;
else if (PApplet.match(line, triShaderAttrRegexp) != null)
return PShader.POLY;
else if (PApplet.match(line, quadShaderAttrRegexp) != null)
return PShader.POLY;
}
return defaultType;
}
// ***************************************************************************
//
// Processing specific