Module: Mesa
Branch: master
Commit: c944fb5ffe7cf16154d6395001f43a6c965cab1f
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=c944fb5ffe7cf16154d6395001f43a6c965cab1f
Author: Francisco Jerez <curroje...@riseup.net>
Date: Thu Mar 18 14:18:55 2010 +0100
dri/nouveau: Implement texcoord generation.
---
src/mesa/drivers/dri/nouveau/nouveau_gldefs.h | 19 +++++++++++++
src/mesa/drivers/dri/nouveau/nouveau_state.c | 17 +++++++++++-
src/mesa/drivers/dri/nouveau/nouveau_util.h | 18 +++++++++++++
src/mesa/drivers/dri/nouveau/nouveau_vbo_t.c | 4 ++-
src/mesa/drivers/dri/nouveau/nv10_context.c | 2 +-
src/mesa/drivers/dri/nouveau/nv10_state_tex.c | 33 +++++++++++++++++++++++
src/mesa/drivers/dri/nouveau/nv10_state_tnl.c | 6 +++-
src/mesa/drivers/dri/nouveau/nv20_context.c | 14 +++++-----
src/mesa/drivers/dri/nouveau/nv20_driver.h | 3 ++
src/mesa/drivers/dri/nouveau/nv20_state_tex.c | 35 +++++++++++++++++++++++++
src/mesa/drivers/dri/nouveau/nv20_state_tnl.c | 6 +++-
11 files changed, 143 insertions(+), 14 deletions(-)
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_gldefs.h
b/src/mesa/drivers/dri/nouveau/nouveau_gldefs.h
index 00007a9..fbeed3b 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_gldefs.h
+++ b/src/mesa/drivers/dri/nouveau/nouveau_gldefs.h
@@ -260,4 +260,23 @@ nvgl_filter_mode(unsigned filter)
}
}
+static inline unsigned
+nvgl_texgen_mode(unsigned mode)
+{
+ switch (mode) {
+ case GL_EYE_LINEAR:
+ return 0x2400;
+ case GL_OBJECT_LINEAR:
+ return 0x2401;
+ case GL_SPHERE_MAP:
+ return 0x2402;
+ case GL_NORMAL_MAP:
+ return 0x8511;
+ case GL_REFLECTION_MAP:
+ return 0x8512;
+ default:
+ assert(0);
+ }
+}
+
#endif
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_state.c
b/src/mesa/drivers/dri/nouveau/nouveau_state.c
index 603a46e..ef2cc78 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_state.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_state.c
@@ -234,6 +234,13 @@ nouveau_enable(GLcontext *ctx, GLenum cap, GLboolean state)
context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
break;
+ case GL_TEXTURE_GEN_S:
+ case GL_TEXTURE_GEN_T:
+ case GL_TEXTURE_GEN_R:
+ case GL_TEXTURE_GEN_Q:
+ context_dirty_i(ctx, TEX_GEN, ctx->Texture.CurrentUnit);
+ context_dirty(ctx, MODELVIEW);
+ break;
}
}
@@ -368,7 +375,15 @@ static void
nouveau_tex_gen(GLcontext *ctx, GLenum coord, GLenum pname,
const GLfloat *params)
{
- context_dirty_i(ctx, TEX_GEN, ctx->Texture.CurrentUnit);
+ switch (pname) {
+ case GL_TEXTURE_GEN_MODE:
+ context_dirty_i(ctx, TEX_GEN, ctx->Texture.CurrentUnit);
+ context_dirty(ctx, MODELVIEW);
+ break;
+ default:
+ context_dirty_i(ctx, TEX_GEN, ctx->Texture.CurrentUnit);
+ break;
+ }
}
static void
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_util.h
b/src/mesa/drivers/dri/nouveau/nouveau_util.h
index d6007ab..584cb80 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_util.h
+++ b/src/mesa/drivers/dri/nouveau/nouveau_util.h
@@ -191,4 +191,22 @@ is_texture_source(int s)
return s == GL_TEXTURE || (s >= GL_TEXTURE0 && s <= GL_TEXTURE31);
}
+static inline struct gl_texgen *
+get_texgen_coord(struct gl_texture_unit *u, int i)
+{
+ return ((struct gl_texgen *[])
+ { &u->GenS, &u->GenT, &u->GenR, &u->GenQ }) [i];
+}
+
+static inline float *
+get_texgen_coeff(struct gl_texgen *c)
+{
+ if (c->Mode == GL_OBJECT_LINEAR)
+ return c->ObjectPlane;
+ else if (c->Mode == GL_EYE_LINEAR)
+ return c->EyePlane;
+ else
+ return NULL;
+}
+
#endif
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_vbo_t.c
b/src/mesa/drivers/dri/nouveau/nouveau_vbo_t.c
index f20a7df..0c29eec 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_vbo_t.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_vbo_t.c
@@ -224,9 +224,11 @@ vbo_choose_attrs(GLcontext *ctx, const struct
gl_client_array **arrays)
if (ctx->Fog.Enabled && ctx->Fog.FogCoordinateSource == GL_FOG_COORD)
vbo_emit_attr(ctx, arrays, VERT_ATTRIB_FOG);
- if (ctx->Light.Enabled) {
+ if (ctx->Light.Enabled ||
+ (ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS))
vbo_emit_attr(ctx, arrays, VERT_ATTRIB_NORMAL);
+ if (ctx->Light.Enabled) {
vbo_emit_attr(ctx, arrays, MAT(FRONT_AMBIENT));
vbo_emit_attr(ctx, arrays, MAT(FRONT_DIFFUSE));
vbo_emit_attr(ctx, arrays, MAT(FRONT_SPECULAR));
diff --git a/src/mesa/drivers/dri/nouveau/nv10_context.c
b/src/mesa/drivers/dri/nouveau/nv10_context.c
index d008063..b6d1036 100644
--- a/src/mesa/drivers/dri/nouveau/nv10_context.c
+++ b/src/mesa/drivers/dri/nouveau/nv10_context.c
@@ -212,7 +212,7 @@ nv10_hwctx_init(GLcontext *ctx)
OUT_RING(chan, 0);
BEGIN_RING(chan, celsius, NV10TCL_CULL_FACE_ENABLE, 1);
OUT_RING(chan, 0);
- BEGIN_RING(chan, celsius, NV10TCL_TX_GEN_S(0), 8);
+ BEGIN_RING(chan, celsius, NV10TCL_TX_GEN_MODE_S(0), 8);
for (i = 0; i < 8; i++)
OUT_RING(chan, 0);
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state_tex.c
b/src/mesa/drivers/dri/nouveau/nv10_state_tex.c
index 9214872..35f41d7 100644
--- a/src/mesa/drivers/dri/nouveau/nv10_state_tex.c
+++ b/src/mesa/drivers/dri/nouveau/nv10_state_tex.c
@@ -32,11 +32,44 @@
#include "nouveau_util.h"
#include "nv10_driver.h"
+#define TX_GEN_MODE(i, j) (NV10TCL_TX_GEN_MODE_S(i) + 4 * (j))
+#define TX_GEN_COEFF(i, j) (NV10TCL_TX_GEN_COEFF_S_A(i) + 16 * (j))
#define TX_MATRIX(i) (NV10TCL_TX0_MATRIX(0) + 64 * (i))
void
nv10_emit_tex_gen(GLcontext *ctx, int emit)
{
+ const int i = emit - NOUVEAU_STATE_TEX_GEN0;
+ struct nouveau_context *nctx = to_nouveau_context(ctx);
+ struct nouveau_channel *chan = context_chan(ctx);
+ struct nouveau_grobj *celsius = context_eng3d(ctx);
+ struct gl_texture_unit *unit = &ctx->Texture.Unit[i];
+ int j;
+
+ for (j = 0; j < 4; j++) {
+ if (nctx->fallback == HWTNL && (unit->TexGenEnabled & 1 << j)) {
+ struct gl_texgen *coord = get_texgen_coord(unit, j);
+ float *k = get_texgen_coeff(coord);
+
+ if (k) {
+ BEGIN_RING(chan, celsius,
+ TX_GEN_COEFF(i, j), 4);
+ OUT_RINGf(chan, k[0]);
+ OUT_RINGf(chan, k[1]);
+ OUT_RINGf(chan, k[2]);
+ OUT_RINGf(chan, k[3]);
+ }
+
+ BEGIN_RING(chan, celsius, TX_GEN_MODE(i, j), 1);
+ OUT_RING(chan, nvgl_texgen_mode(coord->Mode));
+
+ } else {
+ BEGIN_RING(chan, celsius, TX_GEN_MODE(i, j), 1);
+ OUT_RING(chan, 0);
+ }
+ }
+
+ context_dirty_i(ctx, TEX_MAT, i);
}
void
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state_tnl.c
b/src/mesa/drivers/dri/nouveau/nv10_state_tnl.c
index 406e24c..2624c9b 100644
--- a/src/mesa/drivers/dri/nouveau/nv10_state_tnl.c
+++ b/src/mesa/drivers/dri/nouveau/nv10_state_tnl.c
@@ -474,12 +474,14 @@ nv10_emit_modelview(GLcontext *ctx, int emit)
if (nctx->fallback != HWTNL)
return;
- if (ctx->Light._NeedEyeCoords || ctx->Fog.Enabled) {
+ if (ctx->Light._NeedEyeCoords || ctx->Fog.Enabled ||
+ (ctx->Texture._GenFlags & TEXGEN_NEED_EYE_COORD)) {
BEGIN_RING(chan, celsius, NV10TCL_MODELVIEW0_MATRIX(0), 16);
OUT_RINGm(chan, m->m);
}
- if (ctx->Light.Enabled) {
+ if (ctx->Light.Enabled ||
+ (ctx->Texture._GenFlags & TEXGEN_NEED_EYE_COORD)) {
int i, j;
BEGIN_RING(chan, celsius,
diff --git a/src/mesa/drivers/dri/nouveau/nv20_context.c
b/src/mesa/drivers/dri/nouveau/nv20_context.c
index 99df347..789dcaa 100644
--- a/src/mesa/drivers/dri/nouveau/nv20_context.c
+++ b/src/mesa/drivers/dri/nouveau/nv20_context.c
@@ -297,9 +297,9 @@ nv20_hwctx_init(GLcontext *ctx)
BEGIN_RING(chan, kelvin, NV20TCL_POLYGON_STIPPLE_ENABLE, 1);
OUT_RING (chan, 0);
- BEGIN_RING(chan, kelvin, NV20TCL_TX_GEN_S(0),
- 4 * NV20TCL_TX_GEN_S__SIZE);
- for (i=0; i < 4 * NV20TCL_TX_GEN_S__SIZE; i++)
+ BEGIN_RING(chan, kelvin, NV20TCL_TX_GEN_MODE_S(0),
+ 4 * NV20TCL_TX_GEN_MODE_S__SIZE);
+ for (i=0; i < 4 * NV20TCL_TX_GEN_MODE_S__SIZE; i++)
OUT_RING(chan, 0);
BEGIN_RING(chan, kelvin, NV20TCL_FOG_EQUATION_CONSTANT, 3);
@@ -497,10 +497,10 @@ const struct nouveau_driver nv20_driver = {
nv20_emit_tex_env,
nv20_emit_tex_env,
nv20_emit_tex_env,
- nv10_emit_tex_gen,
- nv10_emit_tex_gen,
- nv10_emit_tex_gen,
- nv10_emit_tex_gen,
+ nv20_emit_tex_gen,
+ nv20_emit_tex_gen,
+ nv20_emit_tex_gen,
+ nv20_emit_tex_gen,
nv20_emit_tex_mat,
nv20_emit_tex_mat,
nv20_emit_tex_mat,
diff --git a/src/mesa/drivers/dri/nouveau/nv20_driver.h
b/src/mesa/drivers/dri/nouveau/nv20_driver.h
index 05770b2..8adecef 100644
--- a/src/mesa/drivers/dri/nouveau/nv20_driver.h
+++ b/src/mesa/drivers/dri/nouveau/nv20_driver.h
@@ -68,6 +68,9 @@ nv20_emit_frag(GLcontext *ctx, int emit);
/* nv20_state_tex.c */
void
+nv20_emit_tex_gen(GLcontext *ctx, int emit);
+
+void
nv20_emit_tex_mat(GLcontext *ctx, int emit);
void
diff --git a/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
b/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
index d7ac4c5..bb8a79c 100644
--- a/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
+++ b/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
@@ -32,9 +32,44 @@
#include "nouveau_util.h"
#include "nv20_driver.h"
+#define TX_GEN_MODE(i, j) (NV20TCL_TX_GEN_MODE_S(i) + 4 * (j))
+#define TX_GEN_COEFF(i, j) (NV20TCL_TX_GEN_COEFF_S_A(i) + 16 * (j))
#define TX_MATRIX(i) (NV20TCL_TX0_MATRIX(0) + 64 * (i))
void
+nv20_emit_tex_gen(GLcontext *ctx, int emit)
+{
+ const int i = emit - NOUVEAU_STATE_TEX_GEN0;
+ struct nouveau_context *nctx = to_nouveau_context(ctx);
+ struct nouveau_channel *chan = context_chan(ctx);
+ struct nouveau_grobj *kelvin = context_eng3d(ctx);
+ struct gl_texture_unit *unit = &ctx->Texture.Unit[i];
+ int j;
+
+ for (j = 0; j < 4; j++) {
+ if (nctx->fallback == HWTNL && (unit->TexGenEnabled & 1 << j)) {
+ struct gl_texgen *coord = get_texgen_coord(unit, j);
+ float *k = get_texgen_coeff(coord);
+
+ if (k) {
+ BEGIN_RING(chan, kelvin, TX_GEN_COEFF(i, j), 4);
+ OUT_RINGf(chan, k[0]);
+ OUT_RINGf(chan, k[1]);
+ OUT_RINGf(chan, k[2]);
+ OUT_RINGf(chan, k[3]);
+ }
+
+ BEGIN_RING(chan, kelvin, TX_GEN_MODE(i, j), 1);
+ OUT_RING(chan, nvgl_texgen_mode(coord->Mode));
+
+ } else {
+ BEGIN_RING(chan, kelvin, TX_GEN_MODE(i, j), 1);
+ OUT_RING(chan, 0);
+ }
+ }
+}
+
+void
nv20_emit_tex_mat(GLcontext *ctx, int emit)
{
const int i = emit - NOUVEAU_STATE_TEX_MAT0;
diff --git a/src/mesa/drivers/dri/nouveau/nv20_state_tnl.c
b/src/mesa/drivers/dri/nouveau/nv20_state_tnl.c
index 43f8c72..df22adf 100644
--- a/src/mesa/drivers/dri/nouveau/nv20_state_tnl.c
+++ b/src/mesa/drivers/dri/nouveau/nv20_state_tnl.c
@@ -359,12 +359,14 @@ nv20_emit_modelview(GLcontext *ctx, int emit)
if (nctx->fallback != HWTNL)
return;
- if (ctx->Light._NeedEyeCoords || ctx->Fog.Enabled) {
+ if (ctx->Light._NeedEyeCoords || ctx->Fog.Enabled ||
+ (ctx->Texture._GenFlags & TEXGEN_NEED_EYE_COORD)) {
BEGIN_RING(chan, kelvin, NV20TCL_MODELVIEW0_MATRIX(0), 16);
OUT_RINGm(chan, m->m);
}
- if (ctx->Light.Enabled) {
+ if (ctx->Light.Enabled ||
+ (ctx->Texture._GenFlags & TEXGEN_NEED_EYE_COORD)) {
int i, j;
BEGIN_RING(chan, kelvin,
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