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-rw-r--r--src/mesa/drivers/dri/i965/brw_sf.c15
-rw-r--r--src/mesa/drivers/dri/i965/brw_sf.h9
-rw-r--r--src/mesa/drivers/dri/i965/brw_sf_emit.c80
-rw-r--r--src/mesa/drivers/dri/i965/intel_context.c5
4 files changed, 105 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_sf.c b/src/mesa/drivers/dri/i965/brw_sf.c
index d5175399d6..73232b3c7c 100644
--- a/src/mesa/drivers/dri/i965/brw_sf.c
+++ b/src/mesa/drivers/dri/i965/brw_sf.c
@@ -74,6 +74,11 @@ static void compile_sf_prog( struct brw_context *brw,
if (c.key.attrs & (1<<i)) {
c.attr_to_idx[i] = idx;
c.idx_to_attr[idx] = i;
+ if (i >= VERT_RESULT_TEX0 && i <= VERT_RESULT_TEX7) {
+ c.point_attrs[i].CoordReplace =
+ brw->attribs.Point->CoordReplace[i - VERT_RESULT_TEX0];
+ } else
+ c.point_attrs[i].CoordReplace = GL_FALSE;
idx++;
}
@@ -90,7 +95,10 @@ static void compile_sf_prog( struct brw_context *brw,
break;
case SF_POINTS:
c.nr_verts = 1;
- brw_emit_point_setup( &c );
+ if (key->do_point_sprite)
+ brw_emit_point_sprite_setup( &c );
+ else
+ brw_emit_point_setup( &c );
break;
case SF_UNFILLED_TRIS:
c.nr_verts = 3;
@@ -162,7 +170,8 @@ static void upload_sf_prog( struct brw_context *brw )
break;
}
-
+ key.do_point_sprite = brw->attribs.Point->PointSprite;
+ key.SpriteOrigin = brw->attribs.Point->SpriteOrigin;
/* _NEW_LIGHT */
key.do_flat_shading = (brw->attribs.Light->ShadeModel == GL_FLAT);
key.do_twoside_color = (brw->attribs.Light->Enabled && brw->attribs.Light->Model.TwoSide);
@@ -179,7 +188,7 @@ static void upload_sf_prog( struct brw_context *brw )
const struct brw_tracked_state brw_sf_prog = {
.dirty = {
- .mesa = (_NEW_LIGHT|_NEW_POLYGON),
+ .mesa = (_NEW_LIGHT|_NEW_POLYGON|_NEW_POINT),
.brw = (BRW_NEW_REDUCED_PRIMITIVE),
.cache = CACHE_NEW_VS_PROG
},
diff --git a/src/mesa/drivers/dri/i965/brw_sf.h b/src/mesa/drivers/dri/i965/brw_sf.h
index fb72b84ba8..e374e372bb 100644
--- a/src/mesa/drivers/dri/i965/brw_sf.h
+++ b/src/mesa/drivers/dri/i965/brw_sf.h
@@ -50,9 +50,14 @@ struct brw_sf_prog_key {
GLuint do_flat_shading:1;
GLuint attrs:16;
GLuint frontface_ccw:1;
- GLuint pad:11;
+ GLuint do_point_sprite:1;
+ GLuint pad:10;
+ GLenum SpriteOrigin;
};
+struct brw_sf_point_tex {
+ GLboolean CoordReplace;
+};
struct brw_sf_compile {
struct brw_compile func;
@@ -94,12 +99,14 @@ struct brw_sf_compile {
GLubyte attr_to_idx[VERT_RESULT_MAX];
GLubyte idx_to_attr[VERT_RESULT_MAX];
+ struct brw_sf_point_tex point_attrs[VERT_RESULT_MAX];
};
void brw_emit_tri_setup( struct brw_sf_compile *c );
void brw_emit_line_setup( struct brw_sf_compile *c );
void brw_emit_point_setup( struct brw_sf_compile *c );
+void brw_emit_point_sprite_setup( struct brw_sf_compile *c );
void brw_emit_anyprim_setup( struct brw_sf_compile *c );
#endif
diff --git a/src/mesa/drivers/dri/i965/brw_sf_emit.c b/src/mesa/drivers/dri/i965/brw_sf_emit.c
index cbaf018c44..7ecf9bb560 100644
--- a/src/mesa/drivers/dri/i965/brw_sf_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_sf_emit.c
@@ -497,6 +497,86 @@ void brw_emit_line_setup( struct brw_sf_compile *c )
}
}
+void brw_emit_point_sprite_setup( struct brw_sf_compile *c )
+{
+ struct brw_compile *p = &c->func;
+ GLuint i;
+
+ c->nr_verts = 1;
+ alloc_regs(c);
+ copy_z_inv_w(c);
+ for (i = 0; i < c->nr_setup_regs; i++)
+ {
+ struct brw_sf_point_tex *tex = &c->point_attrs[c->idx_to_attr[2*i]];
+ struct brw_reg a0 = offset(c->vert[0], i);
+ GLushort pc, pc_persp, pc_linear;
+ GLboolean last = calculate_masks(c, i, &pc, &pc_persp, &pc_linear);
+
+ if (pc_persp)
+ {
+ if (!tex->CoordReplace) {
+ brw_set_predicate_control_flag_value(p, pc_persp);
+ brw_MUL(p, a0, a0, c->inv_w[0]);
+ }
+ }
+
+ if (tex->CoordReplace) {
+ /* Caculate 1.0/PointWidth */
+ brw_math(&c->func,
+ c->tmp,
+ BRW_MATH_FUNCTION_INV,
+ BRW_MATH_SATURATE_NONE,
+ 0,
+ c->dx0,
+ BRW_MATH_DATA_SCALAR,
+ BRW_MATH_PRECISION_FULL);
+
+ if (c->key.SpriteOrigin == GL_UPPER_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]));
+ brw_MOV(p, vec1(suboffset(c->m2Cy, 0)), brw_imm_f(0.0));
+ } else {
+ 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, c->inv_w[0]);
+ brw_MOV(p, vec1(suboffset(c->m2Cy, 0)), brw_imm_f(0.0));
+ }
+ } else {
+ brw_MOV(p, c->m1Cx, brw_imm_ud(0));
+ brw_MOV(p, c->m2Cy, brw_imm_ud(0));
+ }
+
+ {
+ brw_set_predicate_control_flag_value(p, pc);
+ if (tex->CoordReplace) {
+ if (c->key.SpriteOrigin == GL_UPPER_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));
+ }
+ else
+ brw_MOV(p, c->m3C0, brw_imm_f(0.0));
+ } else {
+ brw_MOV(p, c->m3C0, a0); /* constant value */
+ }
+
+ /* Copy m0..m3 to URB.
+ */
+ brw_urb_WRITE(p,
+ brw_null_reg(),
+ 0,
+ brw_vec8_grf(0, 0),
+ 0, /* allocate */
+ 1, /* used */
+ 4, /* msg len */
+ 0, /* response len */
+ last, /* eot */
+ last, /* writes complete */
+ i*4, /* urb destination offset */
+ BRW_URB_SWIZZLE_TRANSPOSE);
+ }
+ }
+}
/* Points setup - several simplifications as all attributes are
* constant across the face of the point (point sprites excluded!)
diff --git a/src/mesa/drivers/dri/i965/intel_context.c b/src/mesa/drivers/dri/i965/intel_context.c
index 4f51fefe0f..a8204ee4b8 100644
--- a/src/mesa/drivers/dri/i965/intel_context.c
+++ b/src/mesa/drivers/dri/i965/intel_context.c
@@ -66,6 +66,7 @@
int INTEL_DEBUG = (0);
#endif
+#define need_GL_NV_point_sprite
#define need_GL_ARB_multisample
#define need_GL_ARB_point_parameters
#define need_GL_ARB_texture_compression
@@ -81,6 +82,7 @@ int INTEL_DEBUG = (0);
#define need_GL_EXT_fog_coord
#define need_GL_EXT_multi_draw_arrays
#define need_GL_EXT_secondary_color
+#define need_GL_EXT_point_parameters
#include "extension_helper.h"
#ifndef VERBOSE
@@ -146,6 +148,7 @@ const struct dri_extension card_extensions[] =
{ "GL_ARB_multisample", GL_ARB_multisample_functions },
{ "GL_ARB_multitexture", NULL },
{ "GL_ARB_point_parameters", GL_ARB_point_parameters_functions },
+ { "GL_NV_point_sprite", GL_NV_point_sprite_functions },
{ "GL_ARB_texture_border_clamp", NULL },
{ "GL_ARB_texture_compression", GL_ARB_texture_compression_functions },
{ "GL_ARB_texture_cube_map", NULL },
@@ -158,6 +161,8 @@ const struct dri_extension card_extensions[] =
{ "GL_NV_texture_rectangle", NULL },
{ "GL_EXT_texture_rectangle", NULL },
{ "GL_ARB_texture_rectangle", NULL },
+ { "GL_ARB_point_sprite", NULL},
+ { "GL_ARB_point_parameters", NULL },
{ "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions },
{ "GL_ARB_vertex_program", GL_ARB_vertex_program_functions },
{ "GL_ARB_window_pos", GL_ARB_window_pos_functions },
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 17:09:56 +0000