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use float instead of double

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This commit is contained in:
Nishi 2026-01-11 23:10:13 +09:00
commit e81666e657
Signed by: nishi
GPG key ID: 27EF69B208EB9343
10 changed files with 114 additions and 115 deletions
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40
engine/src/gl_shadow.c
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@ -29,6 +29,7 @@ void GBGLShadowInit(GBGL gl) {
glUseProgram(gl->shadow_shader);
glUniform1i(glGetUniformLocation(gl->shadow_shader, "depth_texture"), 7);
glUniform1i(glGetUniformLocation(gl->shadow_shader, "current_texture"), 0);
glUniform1f(glGetUniformLocation(gl->shadow_shader, "enable_lighting"), 1);
glUseProgram(0);
gl->shadow_use_shader = 1;
@ -44,21 +45,21 @@ int GBGLShadowBeforeMapping(GBGL gl) {
if(!gl->shadow_use_shader) return 0;
glClear(GL_DEPTH_BUFFER_BIT);
GBGLClear(gl);
glViewport(0, 0, SHADOW_WIDTH, SHADOW_HEIGHT);
glMatrixMode(GL_PROJECTION);
glGetDoublev(GL_PROJECTION_MATRIX, gl->shadow_old_projection);
glLoadIdentity();
GBGLPerspective(gl, SHADOW_WIDTH, SHADOW_HEIGHT);
GBGLCameraPerspective(gl, SHADOW_WIDTH, SHADOW_HEIGHT);
glGetDoublev(GL_PROJECTION_MATRIX, gl->shadow_projection);
glMatrixMode(GL_MODELVIEW);
glGetDoublev(GL_MODELVIEW_MATRIX, gl->shadow_old_modelview);
glLoadIdentity();
GBGLLookAt(gl, gl->engine->client->light0, zero);
GBGLCameraLookAt(gl, gl->engine->client->light0, zero);
glGetDoublev(GL_MODELVIEW_MATRIX, gl->shadow_modelview);
@ -125,20 +126,39 @@ void GBGLShadowAfterMapping(GBGL gl) {
glMatrixMode(GL_MODELVIEW);
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, gl->shadow_texture);
glEnable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
GBGLClear(gl);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
GBGLShadowEnable(gl);
}
glUseProgram(gl->shadow_shader);
void GBGLShadowDisable(GBGL gl) {
glDisable(GL_LIGHTING);
if(gl->shadow_use_shader) {
glUseProgram(0);
glActiveTexture(GL_TEXTURE7);
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE0);
}
}
void GBGLShadowEnable(GBGL gl) {
glEnable(GL_LIGHTING);
if(gl->shadow_use_shader) {
glUseProgram(gl->shadow_shader);
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, gl->shadow_texture);
glEnable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
}
}
void GBGLShadowEnd(GBGL gl) {
if(!gl->shadow_use_shader) return;
glUseProgram(0);
GBGLShadowDisable(gl);
glActiveTexture(GL_TEXTURE7);
glDisable(GL_TEXTURE_2D);