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i965: make brw_sf_prog_key::sprite_origin_lower_left one bit

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Shrinks size of key to 8 bytes from 12.
Note that progs/demos/spriteblast.c is still broken.
This commit is contained in:
Brian Paul 2009-10-29 16:02:35 -06:00
parent 035b21f365
commit 26d22b094b
3 changed files with 5 additions and 5 deletions
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2
src/mesa/drivers/dri/i965/brw_sf.c
View file

@ -161,7 +161,7 @@ static void upload_sf_prog(struct brw_context *brw)
}
key.do_point_sprite = ctx->Point.PointSprite;
key.SpriteOrigin = ctx->Point.SpriteOrigin;
key.sprite_origin_lower_left = (ctx->Point.SpriteOrigin == GL_LOWER_LEFT);
/* _NEW_LIGHT */
key.do_flat_shading = (ctx->Light.ShadeModel == GL_FLAT);
key.do_twoside_color = (ctx->Light.Enabled && ctx->Light.Model.TwoSide);

4
src/mesa/drivers/dri/i965/brw_sf.h
View file

@ -52,8 +52,8 @@ struct brw_sf_prog_key {
GLuint frontface_ccw:1;
GLuint do_point_sprite:1;
GLuint linear_color:1; /**< linear interp vs. perspective interp */
GLuint pad:25;
GLenum SpriteOrigin;
GLuint sprite_origin_lower_left:1;
GLuint pad:24;
};
struct brw_sf_point_tex {

4
src/mesa/drivers/dri/i965/brw_sf_emit.c
View file

@ -551,7 +551,7 @@ void brw_emit_point_sprite_setup( struct brw_sf_compile *c, GLboolean allocate)
BRW_MATH_DATA_SCALAR,
BRW_MATH_PRECISION_FULL);
if (c->key.SpriteOrigin == GL_LOWER_LEFT) {
if (c->key.sprite_origin_lower_left) {
brw_MUL(p, c->m1Cx, c->tmp, c->inv_w[0]);
brw_MOV(p, vec1(suboffset(c->m1Cx, 1)), brw_imm_f(0.0));
brw_MUL(p, c->m2Cy, c->tmp, negate(c->inv_w[0]));
@ -570,7 +570,7 @@ void brw_emit_point_sprite_setup( struct brw_sf_compile *c, GLboolean allocate)
{
brw_set_predicate_control_flag_value(p, pc);
if (tex->CoordReplace) {
if (c->key.SpriteOrigin == GL_LOWER_LEFT) {
if (c->key.sprite_origin_lower_left) {
brw_MUL(p, c->m3C0, c->inv_w[0], brw_imm_f(1.0));
brw_MOV(p, vec1(suboffset(c->m3C0, 0)), brw_imm_f(0.0));
}