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Fixed ByteOrder of @Return ByteBuffers.

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Cleaned up Drawable interface and introduced a reusable base implementation.
Added support for disabling runtime function checks, buffer checks and state tracking. Activated with -Dorg.lwjgl.util.NoChecks=true
This commit is contained in:
Ioannis Tsakpinis 2010-04-22 23:21:48 +00:00
parent 965e398053
commit 47c9991b41
18 changed files with 287 additions and 332 deletions
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52
src/java/org/lwjgl/opengl/GLChecks.java
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@ -35,6 +35,7 @@ import java.nio.Buffer;
import java.nio.IntBuffer;
import org.lwjgl.BufferUtils;
import org.lwjgl.LWJGLUtil;
/**
* A class to check buffer boundaries in GL methods. Many GL
@ -60,93 +61,78 @@ class GLChecks {
}
static int getBufferObjectSize(ContextCapabilities caps, int buffer_enum) {
IntBuffer scratch_buffer = caps.scratch_int_buffer;
GL15.glGetBufferParameter(buffer_enum, GL15.GL_BUFFER_SIZE, scratch_buffer);
return scratch_buffer.get(0);
return GL15.glGetBufferParameter(buffer_enum, GL15.GL_BUFFER_SIZE);
}
static int getBufferObjectSizeARB(ContextCapabilities caps, int buffer_enum) {
IntBuffer scratch_buffer = caps.scratch_int_buffer;
ARBBufferObject.glGetBufferParameterARB(buffer_enum, ARBBufferObject.GL_BUFFER_SIZE_ARB, scratch_buffer);
return scratch_buffer.get(0);
return ARBBufferObject.glGetBufferParameterARB(buffer_enum, ARBBufferObject.GL_BUFFER_SIZE_ARB);
}
static int getBufferObjectSizeATI(ContextCapabilities caps, int buffer) {
IntBuffer scratch_buffer = caps.scratch_int_buffer;
ATIVertexArrayObject.glGetObjectBufferATI(buffer, ATIVertexArrayObject.GL_OBJECT_BUFFER_SIZE_ATI, scratch_buffer);
return scratch_buffer.get(0);
return ATIVertexArrayObject.glGetObjectBufferATI(buffer, ATIVertexArrayObject.GL_OBJECT_BUFFER_SIZE_ATI);
}
static int getNamedBufferObjectSize(ContextCapabilities caps, int buffer) {
IntBuffer scratch_buffer = caps.scratch_int_buffer;
EXTDirectStateAccess.glGetNamedBufferParameterEXT(buffer, GL15.GL_BUFFER_SIZE, scratch_buffer);
return scratch_buffer.get(0);
}
private static boolean checkBufferObject(ContextCapabilities caps, int buffer_enum, boolean state) {
IntBuffer scratch_buffer = caps.scratch_int_buffer;
GL11.glGetInteger(buffer_enum, scratch_buffer);
boolean is_enabled = scratch_buffer.get(0) != 0;
return state == is_enabled;
return EXTDirectStateAccess.glGetNamedBufferParameterEXT(buffer, GL15.GL_BUFFER_SIZE);
}
/** Helper method to ensure that array buffer objects are disabled. If they are enabled, we'll throw an OpenGLException */
static void ensureArrayVBOdisabled(ContextCapabilities caps) {
if(StateTracker.getReferencesStack(caps).getReferences().arrayBuffer != 0)
if( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().arrayBuffer != 0 )
throw new OpenGLException("Cannot use Buffers when Array Buffer Object is enabled");
}
/** Helper method to ensure that array buffer objects are enabled. If they are disabled, we'll throw an OpenGLException */
static void ensureArrayVBOenabled(ContextCapabilities caps) {
if(StateTracker.getReferencesStack(caps).getReferences().arrayBuffer == 0)
if( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().arrayBuffer == 0 )
throw new OpenGLException("Cannot use offsets when Array Buffer Object is disabled");
}
/** Helper method to ensure that element array buffer objects are disabled. If they are enabled, we'll throw an OpenGLException */
static void ensureElementVBOdisabled(ContextCapabilities caps) {
if(StateTracker.getReferencesStack(caps).getReferences().elementArrayBuffer != 0)
if( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().elementArrayBuffer != 0 )
throw new OpenGLException("Cannot use Buffers when Element Array Buffer Object is enabled");
}
/** Helper method to ensure that element array buffer objects are enabled. If they are disabled, we'll throw an OpenGLException */
static void ensureElementVBOenabled(ContextCapabilities caps) {
if(StateTracker.getReferencesStack(caps).getReferences().elementArrayBuffer == 0)
if( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().elementArrayBuffer == 0 )
throw new OpenGLException("Cannot use offsets when Element Array Buffer Object is disabled");
}
/** Helper method to ensure that array buffer objects are disabled. If they are enabled, we'll throw an OpenGLException */
static void ensureIndirectBOdisabled(ContextCapabilities caps) {
if ( StateTracker.getReferencesStack(caps).getReferences().indirectBuffer != 0 )
if ( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().indirectBuffer != 0 )
throw new OpenGLException("Cannot use Buffers when Draw Indirect Object is enabled");
}
/** Helper method to ensure that array buffer objects are enabled. If they are disabled, we'll throw an OpenGLException */
static void ensureIndirectBOenabled(ContextCapabilities caps) {
if ( StateTracker.getReferencesStack(caps).getReferences().indirectBuffer == 0 )
if ( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().indirectBuffer == 0 )
throw new OpenGLException("Cannot use offsets when Draw Indirect Object is disabled");
}
/** Helper method to ensure that pixel pack buffer objects are disabled. If they are enabled, we'll throw an OpenGLException */
static void ensurePackPBOdisabled(ContextCapabilities caps) {
if ( StateTracker.getReferencesStack(caps).getReferences().pixelPackBuffer != 0 )
if ( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().pixelPackBuffer != 0 )
throw new OpenGLException("Cannot use Buffers when Pixel Pack Buffer Object is enabled");
}
/** Helper method to ensure that pixel pack buffer objects are enabled. If they are disabled, we'll throw an OpenGLException */
static void ensurePackPBOenabled(ContextCapabilities caps) {
if ( StateTracker.getReferencesStack(caps).getReferences().pixelPackBuffer == 0 )
if ( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().pixelPackBuffer == 0 )
throw new OpenGLException("Cannot use offsets when Pixel Pack Buffer Object is disabled");
}
/** Helper method to ensure that pixel unpack buffer objects are disabled. If they are enabled, we'll throw an OpenGLException */
static void ensureUnpackPBOdisabled(ContextCapabilities caps) {
if ( StateTracker.getReferencesStack(caps).getReferences().pixelUnpackBuffer != 0 )
if ( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().pixelUnpackBuffer != 0 )
throw new OpenGLException("Cannot use Buffers when Pixel Unpack Buffer Object is enabled");
}
/** Helper method to ensure that pixel unpack buffer objects are enabled. If they are disabled, we'll throw an OpenGLException */
static void ensureUnpackPBOenabled(ContextCapabilities caps) {
if ( StateTracker.getReferencesStack(caps).getReferences().pixelUnpackBuffer == 0 )
if ( LWJGLUtil.CHECKS && StateTracker.getReferencesStack(caps).getReferences().pixelUnpackBuffer == 0 )
throw new OpenGLException("Cannot use offsets when Pixel Unpack Buffer Object is disabled");
}
@ -162,19 +148,19 @@ class GLChecks {
* @return the size, in elements, of the image
*/
static int calculateImageStorage(Buffer buffer, int format, int type, int width, int height, int depth) {
return calculateImageStorage(format, type, width, height, depth) >> BufferUtils.getElementSizeExponent(buffer);
return LWJGLUtil.CHECKS ? calculateImageStorage(format, type, width, height, depth) >> BufferUtils.getElementSizeExponent(buffer) : 0;
}
static int calculateTexImage1DStorage(Buffer buffer, int format, int type, int width) {
return calculateTexImage1DStorage(format, type, width) >> BufferUtils.getElementSizeExponent(buffer);
return LWJGLUtil.CHECKS ? calculateTexImage1DStorage(format, type, width) >> BufferUtils.getElementSizeExponent(buffer) : 0;
}
static int calculateTexImage2DStorage(Buffer buffer, int format, int type, int width, int height) {
return calculateTexImage2DStorage(format, type, width, height) >> BufferUtils.getElementSizeExponent(buffer);
return LWJGLUtil.CHECKS ? calculateTexImage2DStorage(format, type, width, height) >> BufferUtils.getElementSizeExponent(buffer) : 0;
}
static int calculateTexImage3DStorage(Buffer buffer, int format, int type, int width, int height, int depth) {
return calculateTexImage3DStorage(format, type, width, height, depth) >> BufferUtils.getElementSizeExponent(buffer);
return LWJGLUtil.CHECKS ? calculateTexImage3DStorage(format, type, width, height, depth) >> BufferUtils.getElementSizeExponent(buffer) : 0;
}
/**