Module: Mesa
Branch: master
Commit: a7b8d105a6efe4056633f7129f80aac1f13cc246
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a7b8d105a6efe4056633f7129f80aac1f13cc246
Author: Francisco Jerez <curroje...@riseup.net>
Date: Thu Feb 25 02:15:54 2010 +0100
dri/nouveau: Support rectangle textures.
---
src/mesa/drivers/dri/nouveau/nouveau_texture.c | 21 ++++++------
src/mesa/drivers/dri/nouveau/nv10_context.c | 7 ++++
src/mesa/drivers/dri/nouveau/nv10_state_tex.c | 37 ++++++++++++++++++++-
src/mesa/drivers/dri/nouveau/nv20_context.c | 7 ++++
src/mesa/drivers/dri/nouveau/nv20_state_tex.c | 42 ++++++++++++++++++++++-
5 files changed, 100 insertions(+), 14 deletions(-)
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
index 5b78804..840bd6f 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
@@ -118,9 +118,6 @@ nouveau_choose_tex_format(GLcontext *ctx, GLint
internalFormat,
return MESA_FORMAT_ARGB8888;
case GL_RGB5_A1:
return MESA_FORMAT_ARGB1555;
- case GL_RGBA2:
- case GL_RGBA4:
- return MESA_FORMAT_ARGB4444;
case 3:
case GL_R3_G3_B2:
@@ -180,9 +177,10 @@ teximage_fits(struct gl_texture_object *t, int level,
{
struct nouveau_surface *s = &to_nouveau_texture(t)->surfaces[level];
- return s->bo && s->width == ti->Width &&
- s->height == ti->Height &&
- s->format == ti->TexFormat;
+ return t->Target == GL_TEXTURE_RECTANGLE ||
+ (s->bo && s->width == ti->Width &&
+ s->height == ti->Height &&
+ s->format == ti->TexFormat);
}
static GLboolean
@@ -196,9 +194,12 @@ validate_teximage(GLcontext *ctx, struct gl_texture_object
*t,
struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
- context_drv(ctx)->surface_copy(ctx, &ss[level], s,
- x, y, x, y,
- width, height);
+ if (t->Target == GL_TEXTURE_RECTANGLE)
+ nouveau_surface_ref(s, &ss[level]);
+ else
+ context_drv(ctx)->surface_copy(ctx, &ss[level], s,
+ x, y, x, y,
+ width, height);
return GL_TRUE;
}
@@ -223,7 +224,7 @@ relayout_texture(GLcontext *ctx, struct gl_texture_object
*t)
{
struct gl_texture_image *base = t->Image[0][t->BaseLevel];
- if (base) {
+ if (base && t->Target != GL_TEXTURE_RECTANGLE) {
struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
struct nouveau_surface *s = &to_nouveau_teximage(base)->surface;
int i, ret, last = get_last_level(t);
diff --git a/src/mesa/drivers/dri/nouveau/nv10_context.c
b/src/mesa/drivers/dri/nouveau/nv10_context.c
index d80d99c..8e70c41 100644
--- a/src/mesa/drivers/dri/nouveau/nv10_context.c
+++ b/src/mesa/drivers/dri/nouveau/nv10_context.c
@@ -32,6 +32,11 @@
#include "nv04_driver.h"
#include "nv10_driver.h"
+static const struct dri_extension nv10_extensions[] = {
+ { "GL_EXT_texture_rectangle", NULL },
+ { NULL, NULL }
+};
+
static void
nv10_clear(GLcontext *ctx, GLbitfield buffers)
{
@@ -301,6 +306,8 @@ nv10_context_create(struct nouveau_screen *screen, const
GLvisual *visual,
if (!nouveau_context_init(ctx, screen, visual, share_ctx))
goto fail;
+ driInitExtensions(ctx, nv10_extensions, GL_FALSE);
+
/* GL constants. */
ctx->Const.MaxTextureLevels = 12;
ctx->Const.MaxTextureCoordUnits = NV10_TEXTURE_UNITS;
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state_tex.c
b/src/mesa/drivers/dri/nouveau/nv10_state_tex.c
index d732a53..f45f6c9 100644
--- a/src/mesa/drivers/dri/nouveau/nv10_state_tex.c
+++ b/src/mesa/drivers/dri/nouveau/nv10_state_tex.c
@@ -38,7 +38,7 @@ nv10_emit_tex_gen(GLcontext *ctx, int emit)
}
static uint32_t
-get_tex_format(struct gl_texture_image *ti)
+get_tex_format_pot(struct gl_texture_image *ti)
{
switch (ti->TexFormat) {
case MESA_FORMAT_ARGB8888:
@@ -67,6 +67,29 @@ get_tex_format(struct gl_texture_image *ti)
}
}
+static uint32_t
+get_tex_format_rect(struct gl_texture_image *ti)
+{
+ switch (ti->TexFormat) {
+ case MESA_FORMAT_ARGB1555:
+ return NV10TCL_TX_FORMAT_FORMAT_A1R5G5B5_RECT;
+
+ case MESA_FORMAT_RGB565:
+ return NV10TCL_TX_FORMAT_FORMAT_R5G6B5_RECT;
+
+ case MESA_FORMAT_ARGB8888:
+ return NV10TCL_TX_FORMAT_FORMAT_A8R8G8B8_RECT;
+
+ case MESA_FORMAT_A8:
+ case MESA_FORMAT_L8:
+ case MESA_FORMAT_I8:
+ return NV10TCL_TX_FORMAT_FORMAT_A8_RECT;
+
+ default:
+ assert(0);
+ }
+}
+
void
nv10_emit_tex_obj(GLcontext *ctx, int emit)
{
@@ -98,7 +121,6 @@ nv10_emit_tex_obj(GLcontext *ctx, int emit)
| nvgl_wrap_mode(t->WrapS) << 24
| ti->HeightLog2 << 20
| ti->WidthLog2 << 16
- | get_tex_format(ti)
| 5 << 4 | 1 << 12;
tx_filter = nvgl_filter_mode(t->MagFilter) << 28
@@ -107,6 +129,17 @@ nv10_emit_tex_obj(GLcontext *ctx, int emit)
tx_enable = NV10TCL_TX_ENABLE_ENABLE
| log2i(t->MaxAnisotropy) << 4;
+ if (t->Target == GL_TEXTURE_RECTANGLE) {
+ BEGIN_RING(chan, celsius, NV10TCL_TX_NPOT_PITCH(i), 1);
+ OUT_RING(chan, s->pitch << 16);
+ BEGIN_RING(chan, celsius, NV10TCL_TX_NPOT_SIZE(i), 1);
+ OUT_RING(chan, align(s->width, 2) << 16 | s->height);
+
+ tx_format |= get_tex_format_rect(ti);
+ } else {
+ tx_format |= get_tex_format_pot(ti);
+ }
+
if (t->MinFilter != GL_NEAREST &&
t->MinFilter != GL_LINEAR) {
int lod_min = t->MinLod;
diff --git a/src/mesa/drivers/dri/nouveau/nv20_context.c
b/src/mesa/drivers/dri/nouveau/nv20_context.c
index a80062f..635b5c0 100644
--- a/src/mesa/drivers/dri/nouveau/nv20_context.c
+++ b/src/mesa/drivers/dri/nouveau/nv20_context.c
@@ -31,6 +31,11 @@
#include "nv10_driver.h"
#include "nv20_driver.h"
+static const struct dri_extension nv20_extensions[] = {
+ { "GL_EXT_texture_rectangle", NULL },
+ { NULL, NULL }
+};
+
static void
nv20_hwctx_init(GLcontext *ctx)
{
@@ -394,6 +399,8 @@ nv20_context_create(struct nouveau_screen *screen, const
GLvisual *visual,
if (!nouveau_context_init(ctx, screen, visual, share_ctx))
goto fail;
+ driInitExtensions(ctx, nv20_extensions, GL_FALSE);
+
/* GL constants. */
ctx->Const.MaxTextureCoordUnits = NV20_TEXTURE_UNITS;
ctx->Const.MaxTextureImageUnits = NV20_TEXTURE_UNITS;
diff --git a/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
b/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
index 2bf760d..4627799 100644
--- a/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
+++ b/src/mesa/drivers/dri/nouveau/nv20_state_tex.c
@@ -33,7 +33,7 @@
#include "nv20_driver.h"
static uint32_t
-get_tex_format(struct gl_texture_image *ti)
+get_tex_format_pot(struct gl_texture_image *ti)
{
switch (ti->TexFormat) {
case MESA_FORMAT_ARGB8888:
@@ -62,6 +62,34 @@ get_tex_format(struct gl_texture_image *ti)
}
}
+static uint32_t
+get_tex_format_rect(struct gl_texture_image *ti)
+{
+ switch (ti->TexFormat) {
+ case MESA_FORMAT_ARGB1555:
+ return NV20TCL_TX_FORMAT_FORMAT_A1R5G5B5_RECT;
+
+ case MESA_FORMAT_RGB565:
+ return NV20TCL_TX_FORMAT_FORMAT_R5G6B5_RECT;
+
+ case MESA_FORMAT_ARGB8888:
+ return NV20TCL_TX_FORMAT_FORMAT_A8R8G8B8_RECT;
+
+ case MESA_FORMAT_L8:
+ return NV20TCL_TX_FORMAT_FORMAT_L8_RECT;
+
+ case MESA_FORMAT_A8:
+ case MESA_FORMAT_I8:
+ return NV20TCL_TX_FORMAT_FORMAT_A8_RECT;
+
+ case MESA_FORMAT_ARGB4444:
+ return NV20TCL_TX_FORMAT_FORMAT_A4R4G4B4_RECT;
+
+ default:
+ assert(0);
+ }
+}
+
void
nv20_emit_tex_obj(GLcontext *ctx, int emit)
{
@@ -94,7 +122,6 @@ nv20_emit_tex_obj(GLcontext *ctx, int emit)
tx_format = ti->DepthLog2 << 28
| ti->HeightLog2 << 24
| ti->WidthLog2 << 20
- | get_tex_format(ti)
| NV20TCL_TX_FORMAT_DIMS_2D
| NV20TCL_TX_FORMAT_NO_BORDER
| 1 << 16;
@@ -109,6 +136,17 @@ nv20_emit_tex_obj(GLcontext *ctx, int emit)
tx_enable = NV20TCL_TX_ENABLE_ENABLE
| log2i(t->MaxAnisotropy) << 4;
+ if (t->Target == GL_TEXTURE_RECTANGLE) {
+ BEGIN_RING(chan, kelvin, NV20TCL_TX_NPOT_PITCH(i), 1);
+ OUT_RING(chan, s->pitch << 16);
+ BEGIN_RING(chan, kelvin, NV20TCL_TX_NPOT_SIZE(i), 1);
+ OUT_RING(chan, s->width << 16 | s->height);
+
+ tx_format |= get_tex_format_rect(ti);
+ } else {
+ tx_format |= get_tex_format_pot(ti);
+ }
+
if (t->MinFilter != GL_NEAREST &&
t->MinFilter != GL_LINEAR) {
int lod_min = t->MinLod;
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