Fixed a few compiler warnings.

src/render/opengles2/SDL_render_gles2.c

@@ -173,7 +173,7 @@ typedef struct GLES2_RenderData
     Uint8 clear_r, clear_g, clear_b, clear_a;
 
     GLuint vertex_buffers[8];
-    GLsizeiptr vertex_buffer_size[8];
+    size_t vertex_buffer_size[8];
     int current_vertex_buffer;
     GLES2_DrawStateCache drawstate;
 } GLES2_RenderData;
@@ -1286,7 +1286,7 @@ GLES2_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
 
             case SDL_RENDERCMD_DRAW_POINTS: {
                 if (SetDrawState(data, cmd, GLES2_IMAGESOURCE_SOLID) == 0) {
-                    data->glDrawArrays(GL_POINTS, 0, cmd->data.draw.count);
+                    data->glDrawArrays(GL_POINTS, 0, (GLsizei) cmd->data.draw.count);
                 }
                 break;
             }

src/render/software/SDL_render_sw.c

@@ -627,7 +627,7 @@ SW_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
                 const Uint8 g = cmd->data.draw.g;
                 const Uint8 b = cmd->data.draw.b;
                 const Uint8 a = cmd->data.draw.a;
-                const size_t count = cmd->data.draw.count;
+                const int count = (int) cmd->data.draw.count;
                 const SDL_Point *verts = (SDL_Point *) (((Uint8 *) vertices) + cmd->data.draw.first);
                 const SDL_BlendMode blend = cmd->data.draw.blend;
                 if (blend == SDL_BLENDMODE_NONE) {
@@ -643,7 +643,7 @@ SW_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
                 const Uint8 g = cmd->data.draw.g;
                 const Uint8 b = cmd->data.draw.b;
                 const Uint8 a = cmd->data.draw.a;
-                const size_t count = cmd->data.draw.count;
+                const int count = (int) cmd->data.draw.count;
                 const SDL_Point *verts = (SDL_Point *) (((Uint8 *) vertices) + cmd->data.draw.first);
                 const SDL_BlendMode blend = cmd->data.draw.blend;
                 if (blend == SDL_BLENDMODE_NONE) {
@@ -659,7 +659,7 @@ SW_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
                 const Uint8 g = cmd->data.draw.g;
                 const Uint8 b = cmd->data.draw.b;
                 const Uint8 a = cmd->data.draw.a;
-                const size_t count = cmd->data.draw.count;
+                const int count = (int) cmd->data.draw.count;
                 const SDL_Rect *verts = (SDL_Rect *) (((Uint8 *) vertices) + cmd->data.draw.first);
                 const SDL_BlendMode blend = cmd->data.draw.blend;
                 if (blend == SDL_BLENDMODE_NONE) {