bkaradzic 12 years ago
parent
commit
b8a69a700b

+ 11 - 11
examples/common/cube_atlas.cpp

@@ -455,28 +455,28 @@ void Atlas::updateRegion(const AtlasRegion& _region, const uint8_t* _bitmapBuffe
 	bgfx::updateTextureCube(m_textureHandle, (uint8_t)_region.getFaceIndex(), 0, _region.x, _region.y, _region.width, _region.height, mem);
 }
 
-void Atlas::packFaceLayerUV(uint32_t _idx, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride)
+void Atlas::packFaceLayerUV(uint32_t _idx, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride) const
 {
 	packUV(m_layers[_idx].faceRegion, _vertexBuffer, _offset, _stride);
 }
 
-void Atlas::packUV(uint16_t handle, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride)
+void Atlas::packUV(uint16_t _regionHandle, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride) const
 {
-	const AtlasRegion& region = m_regions[handle];
+	const AtlasRegion& region = m_regions[_regionHandle];
 	packUV(region, _vertexBuffer, _offset, _stride);
 }
 
-void Atlas::packUV(const AtlasRegion& _region, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride)
+void Atlas::packUV(const AtlasRegion& _region, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride) const
 {
-	static const int16_t minVal = -32768;
-	static const int16_t maxVal = 32767;
+	static const int16_t minVal = INT16_MIN;
+	static const int16_t maxVal = INT16_MAX;
 	float texMult = (float)(maxVal - minVal) / ( (float)(m_textureSize) );
 	
-	int16_t x0 = (int16_t)( ((float)_region.x * texMult) - 32767.0f);
-	int16_t y0 = (int16_t)( ((float)_region.y * texMult) - 32767.0f);
-	int16_t x1 = (int16_t)( (((float)_region.x + _region.width) * texMult) - 32767.0f);
-	int16_t y1 = (int16_t)( (((float)_region.y + _region.height) * texMult) - 32767.0f);
-	int16_t w = (int16_t) ( (32767.0f / 4.0f) * (float) _region.getComponentIndex() );
+	int16_t x0 = (int16_t)( ((float)_region.x * texMult) - float(INT16_MAX) );
+	int16_t y0 = (int16_t)( ((float)_region.y * texMult) - float(INT16_MAX) );
+	int16_t x1 = (int16_t)( (((float)_region.x + _region.width) * texMult) - float(INT16_MAX) );
+	int16_t y1 = (int16_t)( (((float)_region.y + _region.height) * texMult) - float(INT16_MAX) );
+	int16_t w = (int16_t) ( (float(INT16_MAX) / 4.0f) * (float) _region.getComponentIndex() );
 
 	_vertexBuffer += _offset;
 	switch (_region.getFaceIndex() )

+ 5 - 5
examples/common/cube_atlas.h

@@ -80,14 +80,14 @@ public:
 	/// @param vertexBuffer address of the first vertex we want to update. Must be valid up to vertexBuffer + offset + 3*stride + 4*sizeof(int16_t), which means the buffer must contains at least 4 vertex includind the first.
 	/// @param offset byte offset to the first uv coordinate of the vertex in the buffer
 	/// @param stride stride between tho UV coordinates, usually size of a Vertex.
-	void packUV(uint16_t _regionHandle, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride);
-	void packUV(const AtlasRegion& _region, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride);
+	void packUV(uint16_t _regionHandle, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride) const;
+	void packUV(const AtlasRegion& _region, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride) const;
 
 	/// Same as packUV but pack a whole face of the atlas cube, mostly used for debugging and visualizing atlas
-	void packFaceLayerUV(uint32_t _idx, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride);
+	void packFaceLayerUV(uint32_t _idx, uint8_t* _vertexBuffer, uint32_t _offset, uint32_t _stride) const;
 
 	/// Pack the vertex index of the region as 2 quad into an index buffer
-	void packIndex(uint16_t* _indexBuffer, uint32_t _startIndex, uint32_t _startVertex)
+	void packIndex(uint16_t* _indexBuffer, uint32_t _startIndex, uint32_t _startVertex) const
 	{
 		_indexBuffer[_startIndex + 0] = _startVertex + 0;
 		_indexBuffer[_startIndex + 1] = _startVertex + 1;
@@ -143,7 +143,7 @@ public:
 	}
 
 private:
-	void writeUV(uint8_t* _vertexBuffer, int16_t _x, int16_t _y, int16_t _z, int16_t _w)
+	static void writeUV(uint8_t* _vertexBuffer, int16_t _x, int16_t _y, int16_t _z, int16_t _w)
 	{
 		( (uint16_t*) _vertexBuffer)[0] = _x;
 		( (uint16_t*) _vertexBuffer)[1] = _y;

+ 1 - 1
examples/common/font/font_manager.h

@@ -127,7 +127,7 @@ public:
 	~FontManager();
 
 	/// Retrieve the atlas used by the font manager (e.g. to add stuff to it)
-	Atlas* getAtlas()
+	const Atlas* getAtlas() const
 	{
 		return m_atlas;
 	}

+ 11 - 7
examples/common/font/text_buffer_manager.cpp

@@ -368,6 +368,7 @@ void TextBuffer::appendGlyph(FontHandle _handle, CodePoint _codePoint)
 	m_penX += kerning;
 
 	const GlyphInfo& blackGlyph = m_fontManager->getBlackGlyph();
+	const Atlas* atlas = m_fontManager->getAtlas();
 
 	if (m_styleFlags & STYLE_BACKGROUND
 	&&  m_backgroundColor & 0xFF000000)
@@ -377,7 +378,7 @@ void TextBuffer::appendGlyph(FontHandle _handle, CodePoint _codePoint)
 		float x1 = ( (float)x0 + (glyph->advance_x) );
 		float y1 = (m_penY + m_lineAscender - m_lineDescender + m_lineGap);
 
-		m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex
+		atlas->packUV(blackGlyph.regionIndex
 			, (uint8_t*)m_vertexBuffer
 			, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
 			, sizeof(TextVertex)
@@ -406,7 +407,7 @@ void TextBuffer::appendGlyph(FontHandle _handle, CodePoint _codePoint)
 		float x1 = ( (float)x0 + (glyph->advance_x) );
 		float y1 = y0 + font.underlineThickness;
 
-		m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex
+		atlas->packUV(blackGlyph.regionIndex
 			, (uint8_t*)m_vertexBuffer
 			, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
 			, sizeof(TextVertex)
@@ -464,7 +465,7 @@ void TextBuffer::appendGlyph(FontHandle _handle, CodePoint _codePoint)
 		float x1 = ( (float)x0 + (glyph->advance_x) );
 		float y1 = y0 + font.underlineThickness;
 
-		m_fontManager->getAtlas()->packUV(blackGlyph.regionIndex
+		atlas->packUV(blackGlyph.regionIndex
 			, (uint8_t*)m_vertexBuffer
 			, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
 			, sizeof(TextVertex)
@@ -490,7 +491,7 @@ void TextBuffer::appendGlyph(FontHandle _handle, CodePoint _codePoint)
 	float x1 = (x0 + glyph->width);
 	float y1 = (y0 + glyph->height);
 
-	m_fontManager->getAtlas()->packUV(glyph->regionIndex
+	atlas->packUV(glyph->regionIndex
 		, (uint8_t*)m_vertexBuffer
 		, sizeof(TextVertex) * m_vertexCount + offsetof(TextVertex, u)
 		, sizeof(TextVertex)
@@ -757,7 +758,8 @@ void TextBufferManager::submitTextBuffer(TextBufferHandle _handle, uint8_t _id,
 
 			bgfx::setVertexBuffer(vbh, bc.textBuffer->getVertexCount() );
 			bgfx::setIndexBuffer(ibh, bc.textBuffer->getIndexCount() );
-		} break;
+		}
+		break;
 
 	case DYNAMIC:
 		{
@@ -793,7 +795,8 @@ void TextBufferManager::submitTextBuffer(TextBufferHandle _handle, uint8_t _id,
 
 			bgfx::setVertexBuffer(vbh, bc.textBuffer->getVertexCount() );
 			bgfx::setIndexBuffer(ibh, bc.textBuffer->getIndexCount() );
-		} break;
+		}
+		break;
 
 	case TRANSIENT:
 		{
@@ -805,7 +808,8 @@ void TextBufferManager::submitTextBuffer(TextBufferHandle _handle, uint8_t _id,
 			memcpy(tvb.data, bc.textBuffer->getVertexBuffer(), vertexSize);
 			bgfx::setVertexBuffer(&tvb, bc.textBuffer->getVertexCount() );
 			bgfx::setIndexBuffer(&tib, bc.textBuffer->getIndexCount() );
-		} break;
+		}
+		break;
 	}
 
 	bgfx::submit(_id, _depth);