josh/treacherous-terrain
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

only determine uniform locations once

Browse Source
This commit is contained in:
Josh Holtrop 2012-09-13 23:16:12 -04:00
parent 56fb845630
commit ab65139951
1 changed files with 36 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
src/client/Client-gl.cc
View File

@ -13,6 +13,25 @@ using namespace std;
#define OPENGL_CONTEXT_MAJOR 3
#define OPENGL_CONTEXT_MINOR 0
#define NUM_OBJ_UNIFORMS 7
static GLint obj_uniform_locations[NUM_OBJ_UNIFORMS];
static const char *obj_uniform_names[] = {
#define OBJ_AMBIENT obj_uniform_locations[0]
"ambient",
#define OBJ_DIFFUSE obj_uniform_locations[1]
"diffuse",
#define OBJ_SPECULAR obj_uniform_locations[2]
"specular",
#define OBJ_SHININESS obj_uniform_locations[3]
"shininess",
#define OBJ_SCALE obj_uniform_locations[4]
"scale",
#define OBJ_PROJECTION obj_uniform_locations[5]
"projection",
#define OBJ_MODELVIEW obj_uniform_locations[6]
"modelview"
};
static bool load_file(const char *fname, WFObj::Buffer & buff)
{
@ -85,6 +104,9 @@ bool Client::initgl()
cerr << "Error loading hex-tile model" << endl;
return false;
}
m_obj_program.get_uniform_locations(obj_uniform_names, NUM_OBJ_UNIFORMS,
obj_uniform_locations);
m_obj_program.use();
return true;
}
@ -119,13 +141,9 @@ void Client::redraw()
void Client::draw_players()
{
GLint uniform_locations[7];
const char *uniforms[] = { "ambient", "diffuse", "specular", "shininess", "scale", "projection", "modelview" };
m_obj_program.get_uniform_locations(uniforms, 7, uniform_locations);
m_modelview.push();
m_modelview.translate(m_player->x, m_player->y, 4);
m_modelview.rotate(m_player->direction * 180.0 / M_PI, 0, 0, 1);
m_obj_program.use();
m_tank_obj.bindBuffers();
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
@ -134,9 +152,9 @@ void Client::draw_players()
stride, (GLvoid *) m_tank_obj.getVertexOffset());
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE,
stride, (GLvoid *) m_tank_obj.getNormalOffset());
glUniform1f(uniform_locations[4], 2.0f);
m_projection.to_uniform(uniform_locations[5]);
m_modelview.to_uniform(uniform_locations[6]);
glUniform1f(OBJ_SCALE, 2.0f);
m_projection.to_uniform(OBJ_PROJECTION);
m_modelview.to_uniform(OBJ_MODELVIEW);
for (map<string, WFObj::Material>::iterator it =
m_tank_obj.getMaterials().begin();
it != m_tank_obj.getMaterials().end();
@ -145,19 +163,19 @@ void Client::draw_players()
WFObj::Material & m = it->second;
if (m.flags & WFObj::Material::SHININESS_BIT)
{
glUniform1f(uniform_locations[3], m.shininess);
glUniform1f(OBJ_SHININESS, m.shininess);
}
if (m.flags & WFObj::Material::AMBIENT_BIT)
{
glUniform4fv(uniform_locations[0], 1, &m.ambient[0]);
glUniform4fv(OBJ_AMBIENT, 1, &m.ambient[0]);
}
if (m.flags & WFObj::Material::DIFFUSE_BIT)
{
glUniform4fv(uniform_locations[1], 1, &m.diffuse[0]);
glUniform4fv(OBJ_DIFFUSE, 1, &m.diffuse[0]);
}
if (m.flags & WFObj::Material::SPECULAR_BIT)
{
glUniform4fv(uniform_locations[2], 1, &m.specular[0]);
glUniform4fv(OBJ_SPECULAR, 1, &m.specular[0]);
}
glDrawElements(GL_TRIANGLES, m.num_vertices,
GL_UNSIGNED_SHORT,
@ -165,7 +183,6 @@ void Client::draw_players()
}
glDisableVertexAttribArray(0);
glDisableVertexAttribArray(1);
glUseProgram(0);
m_modelview.pop();
}
@ -174,12 +191,8 @@ void Client::draw_map()
const int width = m_map.get_width();
const int height = m_map.get_height();
const float tile_size = 50;
GLint uniform_locations[7];
const char *uniforms[] = { "ambient", "diffuse", "specular", "shininess", "scale", "projection", "modelview" };
m_obj_program.get_uniform_locations(uniforms, 7, uniform_locations);
m_obj_program.use();
glUniform1f(uniform_locations[4], tile_size);
m_projection.to_uniform(uniform_locations[5]);
glUniform1f(OBJ_SCALE, tile_size);
m_projection.to_uniform(OBJ_PROJECTION);
m_tile_obj.bindBuffers();
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
@ -198,7 +211,7 @@ void Client::draw_map()
float cx = m_map.get_tile(x, y)->get_x();
float cy = m_map.get_tile(x, y)->get_y();
m_modelview.translate(cx, cy, 0);
m_modelview.to_uniform(uniform_locations[6]);
m_modelview.to_uniform(OBJ_MODELVIEW);
for (map<string, WFObj::Material>::iterator it =
m_tile_obj.getMaterials().begin();
it != m_tile_obj.getMaterials().end();
@ -207,19 +220,19 @@ void Client::draw_map()
WFObj::Material & m = it->second;
if (m.flags & WFObj::Material::SHININESS_BIT)
{
glUniform1f(uniform_locations[3], m.shininess);
glUniform1f(OBJ_SHININESS, m.shininess);
}
if (m.flags & WFObj::Material::AMBIENT_BIT)
{
glUniform4fv(uniform_locations[0], 1, &m.ambient[0]);
glUniform4fv(OBJ_AMBIENT, 1, &m.ambient[0]);
}
if (m.flags & WFObj::Material::DIFFUSE_BIT)
{
glUniform4fv(uniform_locations[1], 1, &m.diffuse[0]);
glUniform4fv(OBJ_DIFFUSE, 1, &m.diffuse[0]);
}
if (m.flags & WFObj::Material::SPECULAR_BIT)
{
glUniform4fv(uniform_locations[2], 1, &m.specular[0]);
glUniform4fv(OBJ_SPECULAR, 1, &m.specular[0]);
}
glDrawElements(GL_TRIANGLES, m.num_vertices,
GL_UNSIGNED_SHORT,