mrq/GLdc
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

More immediate mode optimisation

Browse Source
This commit is contained in:
Luke Benstead 2021-04-25 14:21:09 +01:00
parent 1b6f543fab
commit 16243acd7b
1 changed files with 30 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
GL/immediate.c
View File

@ -20,7 +20,7 @@ static AlignedVector ST_COORDS;
static AlignedVector NORMALS;
static uint32_t NORMAL; /* Packed normal */
static GLubyte COLOR[4] = {255, 255, 255, 255};
static GLubyte COLOR[4] = {255, 255, 255, 255}; /* ARGB order for speed */
static GLfloat UV_COORD[2] = {0.0f, 0.0f};
static GLfloat ST_COORD[2] = {0.0f, 0.0f};
@ -114,64 +114,64 @@ void APIENTRY glBegin(GLenum mode) {
void APIENTRY glColor4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) {
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = (GLubyte)(r * 255);
COLOR[1] = (GLubyte)(g * 255);
COLOR[2] = (GLubyte)(b * 255);
COLOR[3] = (GLubyte)(a * 255);
COLOR[A8IDX] = (GLubyte)(a * 255);
COLOR[R8IDX] = (GLubyte)(r * 255);
COLOR[G8IDX] = (GLubyte)(g * 255);
COLOR[B8IDX] = (GLubyte)(b * 255);
}
void APIENTRY glColor4ub(GLubyte r, GLubyte g, GLubyte b, GLubyte a) {
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = r;
COLOR[1] = g;
COLOR[2] = b;
COLOR[3] = a;
COLOR[A8IDX] = a;
COLOR[R8IDX] = r;
COLOR[G8IDX] = g;
COLOR[B8IDX] = b;
}
void APIENTRY glColor4fv(const GLfloat* v) {
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = (GLubyte)(v[0] * 255);
COLOR[1] = (GLubyte)(v[1] * 255);
COLOR[2] = (GLubyte)(v[2] * 255);
COLOR[3] = (GLubyte)(v[3] * 255);
COLOR[B8IDX] = (GLubyte)(v[2] * 255);
COLOR[G8IDX] = (GLubyte)(v[1] * 255);
COLOR[R8IDX] = (GLubyte)(v[0] * 255);
COLOR[A8IDX] = (GLubyte)(v[3] * 255);
}
void APIENTRY glColor3f(GLfloat r, GLfloat g, GLfloat b) {
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = (GLubyte)(r * 255);
COLOR[1] = (GLubyte)(g * 255);
COLOR[2] = (GLubyte)(b * 255);
COLOR[3] = 255;
COLOR[B8IDX] = (GLubyte)(b * 255);
COLOR[G8IDX] = (GLubyte)(g * 255);
COLOR[R8IDX] = (GLubyte)(r * 255);
COLOR[A8IDX] = 255;
}
void APIENTRY glColor3ub(GLubyte red, GLubyte green, GLubyte blue) {
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = red;
COLOR[1] = green;
COLOR[2] = blue;
COLOR[3] = 255;
COLOR[A8IDX] = 255;
COLOR[R8IDX] = red;
COLOR[G8IDX] = green;
COLOR[B8IDX] = blue;
}
void APIENTRY glColor3ubv(const GLubyte *v) {
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = v[0];
COLOR[1] = v[1];
COLOR[2] = v[2];
COLOR[3] = 255;
COLOR[A8IDX] = 255;
COLOR[R8IDX] = v[0];
COLOR[G8IDX] = v[1];
COLOR[B8IDX] = v[2];
}
void APIENTRY glColor3fv(const GLfloat* v) {
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = (GLubyte)(v[0] * 255);
COLOR[1] = (GLubyte)(v[1] * 255);
COLOR[2] = (GLubyte)(v[2] * 255);
COLOR[3] = 255;
COLOR[A8IDX] = 255;
COLOR[R8IDX] = (GLubyte)(v[0] * 255);
COLOR[G8IDX] = (GLubyte)(v[1] * 255);
COLOR[B8IDX] = (GLubyte)(v[2] * 255);
}
void APIENTRY glVertex3f(GLfloat x, GLfloat y, GLfloat z) {
@ -189,10 +189,7 @@ void APIENTRY glVertex3f(GLfloat x, GLfloat y, GLfloat z) {
}
if(ENABLED_VERTEX_ATTRIBUTES & DIFFUSE_ENABLED_FLAG) {
vert->bgra[R8IDX] = COLOR[0];
vert->bgra[G8IDX] = COLOR[1];
vert->bgra[B8IDX] = COLOR[2];
vert->bgra[A8IDX] = COLOR[3];
*((uint32_t*) vert->bgra) = *((uint32_t*) COLOR);
}
if(ENABLED_VERTEX_ATTRIBUTES & NORMAL_ENABLED_FLAG) {