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three point filter fix (#2)

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David Chavez 2022-06-02 17:43:13 +02:00 • committed by GitHub
commit d5333190b3
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1 changed files with 34 additions and 16 deletions
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50
libultraship/libultraship/Lib/Fast3D/gfx_opengl.cpp
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@ -68,14 +68,15 @@ struct Framebuffer {
GLuint fbo, clrbuf, clrbuf_msaa, rbo;
};
#ifdef __APPLE__
struct GLTexture {
GLuint gltex;
GLfloat size[2];
bool filter;
};
uint16_t width;
uint16_t height;
} textures[1024];
static std::map<int, GLTexture> opengl_tex;
static GLint opengl_curtex = 0;
static GLuint current_texture_ids[2];
static uint8_t current_tile;
#endif
static map<pair<uint64_t, uint32_t>, struct ShaderProgram> shader_program_pool;
static GLuint opengl_vbo;
@ -536,20 +537,25 @@ static struct ShaderProgram* gfx_opengl_create_and_load_new_shader(uint64_t shad
gfx_opengl_load_shader(prg);
int ctex = opengl_curtex;
if (cc_features.used_textures[0]) {
GLint sampler_location = glGetUniformLocation(shader_program, "uTex0");
GLint uniform_location_0 = glGetUniformLocation(shader_program, "texSize0");
glUniform1i(sampler_location, 0);
int mtex = cc_features.used_textures[1] ? ctex - 1 : ctex;
glUniform2f(uniform_location_0, opengl_tex[mtex].size[0], opengl_tex[mtex].size[1]);
#if __APPLE__
GLint uniform_location_0 = glGetUniformLocation(shader_program, "texSize0");
GLTexture currentTexture = textures[current_texture_ids[current_tile]];
glUniform2f(uniform_location_0, currentTexture.width, currentTexture.height);
#endif
}
if (cc_features.used_textures[1]) {
GLint sampler_location = glGetUniformLocation(shader_program, "uTex1");
GLint uniform_location_1 = glGetUniformLocation(shader_program, "texSize1");
glUniform1i(sampler_location, 1);
glUniform2f(uniform_location_1, opengl_tex[ctex].size[0], opengl_tex[ctex].size[1]);
#if __APPLE__
GLint uniform_location_1 = glGetUniformLocation(shader_program, "texSize1");
GLTexture currentTexture = textures[current_texture_ids[current_tile]];
glUniform2f(uniform_location_1, currentTexture.width, currentTexture.height);
#endif
}
if (cc_features.opt_alpha && cc_features.opt_noise) {
@ -585,15 +591,27 @@ static void gfx_opengl_delete_texture(uint32_t texID) {
}
static void gfx_opengl_select_texture(int tile, GLuint texture_id) {
//printf("CURTEX: %d\n", texture_id);
opengl_curtex = texture_id;
//printf("select texture: %d - %d\n", tile, texture_id);
glActiveTexture(GL_TEXTURE0 + tile);
glBindTexture(GL_TEXTURE_2D, texture_id);
#if __APPLE__
current_texture_ids[tile] = texture_id;
current_tile = tile;
#endif
}
static void gfx_opengl_upload_texture(const uint8_t *rgba32_buf, uint32_t width, uint32_t height) {
opengl_tex[opengl_curtex].size[0] = width;
opengl_tex[opengl_curtex].size[1] = height;
//printf("upload texture: %d - size: %d, %d\n", current_tile, width, height);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, rgba32_buf);
#if __APPLE__
float wdpi_scale = 0;
float hdpi_scale = 0;
SDL_GetDisplayDPI(0, NULL, &hdpi_scale, &wdpi_scale);
//printf("dpi_scale: %f\n", dpi_scale);
textures[current_texture_ids[current_tile]].width = width * (wdpi_scale / 32.0);
textures[current_texture_ids[current_tile]].height = height * (hdpi_scale / 32.0);
#endif
}
static uint32_t gfx_cm_to_opengl(uint32_t val) {