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Fix C89 compiler errors

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Ahmed 2026-05-20 04:27:31 +01:00
parent efc19b67f1
commit f4e708ffc5
1 changed files with 11 additions and 6 deletions
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17
examples/renderer/20-blending/blending.c
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@ -94,9 +94,11 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
for (int row = 0; row < ROWS; row++)
int row = 0;
int col = 0;
for (row = 0; row < ROWS; row++)
{
for (int col = 0; col < COLS; col++)
for (col = 0; col < COLS; col++)
{
panels[col + row*COLS] = (SDL_FRect){ col*PANEL_SIZE + col*COL_OFFSET, row*PANEL_SIZE + (row+1)*ROW_OFFSET, PANEL_SIZE, PANEL_SIZE };
}
@ -163,13 +165,16 @@ SDL_AppResult SDL_AppIterate(void *appstate)
SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
SDL_RenderClear(renderer);
int i = 0;
float x;
float y;
/* Render checkerboard panels */
for (int i = 0; i < ROWS*COLS; i++)
for (i = 0; i < ROWS*COLS; i++)
{
/* Loop through the panel pixels */
for (float y = panels[i].y; y < PANEL_SIZE + panels[i].y; y += GRID_SIZE)
for (y = panels[i].y; y < PANEL_SIZE + panels[i].y; y += GRID_SIZE)
{
for (float x = panels[i].x; x < PANEL_SIZE + panels[i].x; x += GRID_SIZE)
for (x = panels[i].x; x < PANEL_SIZE + panels[i].x; x += GRID_SIZE)
{
SDL_FRect grid = { x, y, GRID_SIZE, GRID_SIZE };
bool dark = (int)(x/GRID_SIZE + y/GRID_SIZE) % 2;
@ -199,7 +204,7 @@ SDL_AppResult SDL_AppIterate(void *appstate)
SDL_SetTextureAlphaMod(blue_rect_texture, alpha);
/* Render panels */
for (int i = 0; i < ROWS*COLS; i++) {
for (i = 0; i < ROWS*COLS; i++) {
/* Update rects destination */
SDL_FRect red_dst = { panels[i].x + RED_OFFSET, panels[i].y + RED_OFFSET, RECT_SIZE, RECT_SIZE };
SDL_FRect green_dst = { panels[i].x + GREEN_OFFSET, panels[i].y + GREEN_OFFSET, RECT_SIZE, RECT_SIZE };