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enable antialiasing

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This commit is contained in:
Konstantin Käfer
2014-01-23 10:00:52 +01:00
parent 1ad5970a00
commit 476b7cfdae
1 changed files with 27 additions and 27 deletions
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54
src/renderer/painter.cpp
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@@ -240,36 +240,36 @@ void Painter::render(const Tile::Ptr& tile) {
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
glStencilMask(0x0);
// // Because we're drawing top-to-bottom, and we update the stencil mask
// // below, we have to draw the outline first (!)
// if (antialiasing) {
// Because we're drawing top-to-bottom, and we update the stencil mask
// below, we have to draw the outline first (!)
if (antialiasing) {
// // if (layerStyle.stroke) {
// // // If we defined a different color for the fill outline, we are
// // // going to ignore the bits in 0x3F and just care about the global
// // // clipping mask.
// // glStencilFunc(GL_EQUAL, 0x80, 0x80);
// // } else {
// // Otherwise, we only want to draw the antialiased parts that are
// // *outside* the current shape. This is important in case the fill
// // or stroke color is translucent. If we wouldn't clip to outside
// // the current shape, some pixels from the outline stroke overlapped
// // the (non-antialiased) fill.
// glStencilFunc(GL_EQUAL, 0x80, 0xBF);
// // }
// if (layerStyle.stroke) {
// // If we defined a different color for the fill outline, we are
// // going to ignore the bits in 0x3F and just care about the global
// // clipping mask.
// glStencilFunc(GL_EQUAL, 0x80, 0x80);
// } else {
// Otherwise, we only want to draw the antialiased parts that are
// *outside* the current shape. This is important in case the fill
// or stroke color is translucent. If we wouldn't clip to outside
// the current shape, some pixels from the outline stroke overlapped
// the (non-antialiased) fill.
glStencilFunc(GL_EQUAL, 0x80, 0xBF);
// }
// switchShader(outlineShader);
// glUniformMatrix4fv(outlineShader->u_matrix, 1, GL_FALSE, matrix);
// glUniform2f(outlineShader->u_world, transform.fb_width, transform.fb_height);
// glUniform4f(outlineShader->u_color, color[0], color[1], color[2], color[3]);
// glLineWidth(2);
switchShader(outlineShader);
glUniformMatrix4fv(outlineShader->u_matrix, 1, GL_FALSE, matrix);
glUniform2f(outlineShader->u_world, transform.fb_width, transform.fb_height);
glUniform4f(outlineShader->u_color, color[0], color[1], color[2], color[3]);
glLineWidth(2);
// // Draw the entire line
// char *vertex_index = BUFFER_OFFSET(index.vertex_start * 2 * sizeof(uint16_t));
// glVertexAttribPointer(outlineShader->a_pos, 2, GL_SHORT, GL_FALSE, 0, vertex_index);
// glLineWidth(2.0f);
// glDrawArrays(GL_LINE_STRIP, 0, index.length);
// }
// Draw the entire line
char *vertex_index = BUFFER_OFFSET(index.vertex_start * 2 * sizeof(uint16_t));
glVertexAttribPointer(outlineShader->a_pos, 2, GL_SHORT, GL_FALSE, 0, vertex_index);
glLineWidth(2.0f);
glDrawArrays(GL_LINE_STRIP, 0, index.length);
}
// Now finally, draw a tile-covering quad that paints the parts of the
// image that we marked in the stencil buffer.