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Fix sprite example #71

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Merged
merged 1 commit into from
Oct 18, 2024
Merged

Fix sprite example #71

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37 changes: 30 additions & 7 deletions _includes/samples/sprite/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2,12 +2,14 @@
#include <pspctrl.h>
#include <pspdisplay.h>
#include <pspgu.h>
#include <memory.h>

#define STB_IMAGE_IMPLEMENTATION
#define STBI_NO_THREAD_LOCALS
#include <stb_image.h>

PSP_MODULE_INFO("texture", 0, 1, 0);
PSP_MAIN_THREAD_ATTR(THREAD_ATTR_VFPU | THREAD_ATTR_USER);
PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER);

#define BUFFER_WIDTH 512
#define BUFFER_HEIGHT 272
Expand All @@ -31,7 +33,6 @@ char list[0x20000] __attribute__((aligned(64)));

void * fbp0;
void * fbp1;
Texture texture;
int running;

int exit_callback(int arg1, int arg2, void *common) {
Expand Down Expand Up @@ -97,7 +98,18 @@ void endFrame(){
sceGuSwapBuffers();
}

void drawTexture(float x, float y, float w, float h) {
Texture * loadTexture(const char * filename) {
Texture * texture = (Texture *) calloc(1, sizeof(Texture));

texture->data = (uint32_t *) stbi_load("grass.png", &(texture->width), &(texture->height), NULL, STBI_rgb_alpha);

// Make sure the texture cache is reloaded
sceKernelDcacheWritebackInvalidateAll();

return texture;
}

void drawTexture(Texture * texture, float x, float y, float w, float h) {
static TextureVertex vertices[2];

vertices[0].u = 0.0f;
Expand All @@ -116,7 +128,7 @@ void drawTexture(float x, float y, float w, float h) {

sceGuTexMode(GU_PSM_8888, 0, 0, GU_FALSE);
sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
sceGuTexImage(0, texture.width, texture.height, texture.width, texture.data);
sceGuTexImage(0, texture->width, texture->height, texture->width, texture->data);

sceGuEnable(GU_TEXTURE_2D);
sceGuDrawArray(GU_SPRITES, GU_COLOR_8888 | GU_TEXTURE_32BITF | GU_VERTEX_32BITF | GU_TRANSFORM_2D, 2, 0, vertices);
Expand All @@ -125,18 +137,29 @@ void drawTexture(float x, float y, float w, float h) {


int main() {
initGu();
// Make exiting with the home button possible
setup_callbacks();

// Create a texture from a file
Texture * texture = loadTexture("grass.png");

texture.data = (uint32_t *) stbi_load("grass.png", &texture.width, &texture.height, NULL, 4);
// Start rendering
initGu();

running = 1;
while(running){
startFrame();

drawTexture(SCREEN_WIDTH / 2 - 8, SCREEN_HEIGHT / 2 - 8, 16, 16);
drawTexture(texture, SCREEN_WIDTH / 2 - texture->width / 2, SCREEN_HEIGHT / 2 - texture->height / 2, texture->width, texture->height);

endFrame();
}
// Stop rendering
endGu();

// Clean up
stbi_image_free(texture->data);
free(texture);

return 0;
}