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don't write unused uniforms

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klemek
2025-09-28 23:08:04 +02:00
parent 4c2ce542e7
commit 529f92ab4d
1 changed files with 41 additions and 18 deletions
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src/shaders.c
+41 -18
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@@ -418,6 +418,30 @@ static void update_viewport(ShaderProgram program, SharedContext *context) {
}
}
static void write_uniform_1f(GLuint location, float value) {
if (location != -1) {
glUniform1f(location, (const GLfloat)value);
}
}
static void write_uniform_1i(GLuint location, unsigned int value) {
if (location != -1) {
glUniform1i(location, (const GLint)value);
}
}
static void write_uniform_2f(GLuint location, vec2 *value) {
if (location != -1) {
glUniform2fv(location, 1, (const GLfloat *)value);
}
}
// static void write_uniform_3f(GLuint location, vec3 *value) {
// if (location != -1) {
// glUniform3fv(location, 1, (const GLfloat *)value);
// }
// }
static void use_program(ShaderProgram program, int i, bool output,
SharedContext *context) {
unsigned int j, k;
@@ -448,30 +472,29 @@ static void use_program(ShaderProgram program, int i, bool output,
glDrawBuffer(GL_COLOR_ATTACHMENT0);
}
// set fragment uniforms
glUniform1f(program.itime_locations[i], (const GLfloat)context->time);
glUniform1f(program.itempo_locations[i], (const GLfloat)context->tempo);
glUniform1i(program.ifps_locations[i], (const GLint)context->fps);
glUniform1i(program.idemo_locations[i], (const GLint)(context->demo ? 1 : 0));
glUniform2fv(program.ires_locations[i], 1, (const GLfloat *)&resolution);
glUniform2fv(program.itexres_locations[i], 1,
(const GLfloat *)&tex_resolution);
write_uniform_1f(program.itime_locations[i], context->time);
write_uniform_1f(program.itempo_locations[i], context->tempo);
write_uniform_1i(program.ifps_locations[i], context->fps);
write_uniform_1i(program.idemo_locations[i], context->demo ? 1 : 0);
write_uniform_2f(program.ires_locations[i], &resolution);
write_uniform_2f(program.itexres_locations[i], &tex_resolution);
for (j = 0; j < program.in_count; j++) {
in_resolution[0] = context->input_widths[j];
in_resolution[1] = context->input_heights[j];
glUniform2fv(program.iinres_locations[i * program.in_count + j], 1,
(const GLfloat *)&in_resolution);
glUniform1i(program.iinfmt_locations[i * program.in_count + j],
(const GLint)context->input_formats[j]);
glUniform1i(program.iinfps_locations[i * program.in_count + j],
(const GLint)context->input_fps[j]);
write_uniform_2f(program.iinres_locations[i * program.in_count + j],
&in_resolution);
write_uniform_1i(program.iinfmt_locations[i * program.in_count + j],
context->input_formats[j]);
write_uniform_1i(program.iinfps_locations[i * program.in_count + j],
context->input_fps[j]);
}
// set seeds uniforms
for (j = 0; j < program.frag_count; j++) {
glUniform1i(program.iseed_locations[i * program.frag_count + j],
(const GLint)context->seeds[j]);
write_uniform_1i(program.iseed_locations[i * program.frag_count + j],
context->seeds[j]);
}
// set subroutines for fragment and update state uniforms
@@ -483,8 +506,8 @@ static void use_program(ShaderProgram program, int i, bool output,
}
for (j = 0; j < program.frag_count; j++) {
glUniform1i(program.istate_locations[i * program.frag_count + j],
(const GLint)context->state[j]);
write_uniform_1i(program.istate_locations[i * program.frag_count + j],
context->state[j]);
}
glUniformSubroutinesuiv(GL_FRAGMENT_SHADER, program.sub_type_count,
@@ -492,7 +515,7 @@ static void use_program(ShaderProgram program, int i, bool output,
// set GL_TEXTURE(X) to uniform sampler2D texX
for (j = 0; j < program.tex_count; j++) {
glUniform1i(program.textures_locations[i * program.tex_count + j], j);
write_uniform_1i(program.textures_locations[i * program.tex_count + j], j);
}
// draw output