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don't update unmodified uniforms. makes apitrace faster

This commit is contained in:
espes 2015-07-07 21:06:17 +10:00
parent 49abc9afae
commit 0a2d1ef9e4
1 changed files with 8 additions and 1 deletions
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9
hw/xbox/nv2a.c
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@ -2215,6 +2215,9 @@ static void pgraph_bind_shaders(PGRAPHState *pg)
int program_start = GET_MASK(pg->regs[NV_PGRAPH_CSV0_C],
NV_PGRAPH_CSV0_C_CHEOPS_PROGRAM_START);
ShaderBinding* old_binding = pg->shader_binding;
bool binding_changed = false;
if (pg->shaders_dirty) {
ShaderState state = {
/* register combier stuff */
@ -2285,6 +2288,8 @@ static void pgraph_bind_shaders(PGRAPHState *pg)
g_hash_table_insert(pg->shader_cache, cache_state,
(gpointer)pg->shader_binding);
}
binding_changed = (pg->shader_binding != old_binding);
}
glUseProgram(pg->shader_binding->gl_program);
@ -2358,12 +2363,14 @@ static void pgraph_bind_shaders(PGRAPHState *pg)
for (i=0; i<NV2A_VERTEXSHADER_CONSTANTS; i++) {
VertexShaderConstant *constant = &pg->constants[i];
if (!constant->dirty && !binding_changed) continue;
GLint loc = pg->shader_binding->vsh_constant_loc[i];
//assert(loc != -1);
if (loc != -1) {
glUniform4fv(loc, 1, (const GLfloat*)constant->data);
}
constant->dirty = false;
}
GLint loc = glGetUniformLocation(pg->shader_binding->gl_program, "clipRange");
@ -3298,8 +3305,8 @@ static void pgraph_method(NV2AState *d,
assert(const_load < NV2A_VERTEXSHADER_CONSTANTS);
VertexShaderConstant *constant = &pg->constants[const_load];
constant->dirty = (parameter != constant->data[slot%4]);
constant->data[slot%4] = parameter;
constant->dirty = true;
if (slot % 4 == 3) {
SET_MASK(pg->regs[NV_PGRAPH_CHEOPS_OFFSET],