truncate texture if larger than card supports

src/graphics/text/TextRasterizer.cpp

@@ -154,6 +154,8 @@ std::unique_ptr<std::pair<int, int>> TextRasterizer::size(const rasterizationReq
     return std::make_unique<std::pair<int, int>>(std::pair<int, int>(response->width, response->height));
 }
 
+#include <GL/glew.h>
+
 std::unique_ptr<rasterizationResponse> TextRasterizer::rasterize(const rasterizationRequest &request) const {
    
     if (request.startX == request.availableWidth) {
@@ -308,6 +310,14 @@ std::unique_ptr<rasterizationResponse> TextRasterizer::rasterize(const rasteriza
     response->y1 = -response->height;
     //std::cout << "xd: " << static_cast<int>(response->x1-response->x0) << " yd: " << static_cast<int>(response->y0-response->y1) << std::endl;
     
+    int max;
+    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max);
+    std::cout << "Requesting texture of " << response->textureWidth << "x" << response->textureHeight << "max: " << max << std::endl;
+    if (response->textureHeight > max) {
+        std::cout << "Truncating text texture to fit in your video card" << std::endl;
+        response->textureHeight = max;
+    }
+    
     // texture coords
     response->s0 = 0.0f;
     response->t0 = 0.0f;
@@ -319,7 +329,7 @@ std::unique_ptr<rasterizationResponse> TextRasterizer::rasterize(const rasteriza
     // still neds to start at X
     cx = response->wrapped ? request.startX : 0; // reset
     cy = 0;
-    //std::cout << "starting at: " << cx << std::endl;
+    //std::cout << "[" << request.text << "] wrapped? " << response->wrapped << " starting at: " << cx << std::endl;
     //int miny0 = 99;
     int maxy0 = 0;
     for (unsigned int i = 0; i < glyphCount; i++) {