Merge branch 'origin'

9 files changed, 130 insertions, 16 deletions

diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 14e0f052fd..d2ed3105d1 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -93,6 +93,8 @@ int hw_tcl_on = 1;
 
 const struct dri_extension card_extensions[] = {
   /* *INDENT-OFF* */
+  {"GL_ARB_depth_texture",		NULL},
+  {"GL_ARB_fragment_program",		NULL},
   {"GL_ARB_multisample",		GL_ARB_multisample_functions},
   {"GL_ARB_multitexture",		NULL},
   {"GL_ARB_texture_border_clamp",	NULL},
@@ -105,7 +107,6 @@ const struct dri_extension card_extensions[] = {
   {"GL_ARB_texture_mirrored_repeat",	NULL},
   {"GL_ARB_vertex_buffer_object",	GL_ARB_vertex_buffer_object_functions},
   {"GL_ARB_vertex_program",		GL_ARB_vertex_program_functions},
-  {"GL_ARB_fragment_program",		NULL},
   {"GL_EXT_blend_equation_separate",	GL_EXT_blend_equation_separate_functions},
   {"GL_EXT_blend_func_separate",	GL_EXT_blend_func_separate_functions},
   {"GL_EXT_blend_minmax",		GL_EXT_blend_minmax_functions},
@@ -130,6 +131,7 @@ const struct dri_extension card_extensions[] = {
   {"GL_NV_blend_square",		NULL},
   {"GL_NV_vertex_program",		GL_NV_vertex_program_functions},
   {"GL_SGIS_generate_mipmap",		NULL},
+  {"GL_SGIX_depth_texture",		NULL},
   {NULL,				NULL}
   /* *INDENT-ON* */
 };
diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h
index 1baa74c526..ee556d347e 100644
--- a/src/mesa/drivers/dri/r300/r300_reg.h
+++ b/src/mesa/drivers/dri/r300/r300_reg.h
@@ -886,6 +886,14 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #	define R300_TX_FORMAT_A8R8G8B8	    	    0x13     /* no swizzle */
 #	define R300_TX_FORMAT_B8G8_B8G8	    	    0x14     /* no swizzle */
 #	define R300_TX_FORMAT_G8R8_G8B8	    	    0x15     /* no swizzle */
+
+	/* These two values are wrong, but they're the only values that
+	 * produce any even vaguely correct results.  Can r300 only do 16-bit
+	 * depth textures?
+	 */
+#	define R300_TX_FORMAT_X24_Y8	    	    0x1e
+#	define R300_TX_FORMAT_X32	    	    0x1e
+
 	/* 0x16 - some 16 bit green format.. ?? */
 #	define R300_TX_FORMAT_UNK25		   (1 << 25) /* no swizzle */
 #	define R300_TX_FORMAT_CUBIC_MAP		   (1 << 26)
diff --git a/src/mesa/drivers/dri/r300/r300_tex.c b/src/mesa/drivers/dri/r300/r300_tex.c
index 1805cecd0a..adf69a3c25 100644
--- a/src/mesa/drivers/dri/r300/r300_tex.c
+++ b/src/mesa/drivers/dri/r300/r300_tex.c
@@ -482,6 +482,25 @@ static const struct gl_texture_format *r300ChooseTextureFormat(GLcontext * ctx,
 	case GL_RGBA32F_ARB:
 		return &_mesa_texformat_rgba_float32;
 
+	case GL_DEPTH_COMPONENT:
+	case GL_DEPTH_COMPONENT16:
+	case GL_DEPTH_COMPONENT24:
+	case GL_DEPTH_COMPONENT32:
+#if 0
+		switch (type) {
+		case GL_UNSIGNED_BYTE:
+		case GL_UNSIGNED_SHORT:
+			return &_mesa_texformat_z16;
+		case GL_UNSIGNED_INT:
+			return &_mesa_texformat_z32;
+		case GL_UNSIGNED_INT_24_8_EXT:
+		default:
+			return &_mesa_texformat_z24_s8;
+		}
+#else
+		return &_mesa_texformat_z16;
+#endif
+
 	default:
 		_mesa_problem(ctx,
 			      "unexpected internalFormat 0x%x in r300ChooseTextureFormat",
@@ -1057,6 +1076,19 @@ static void r300TexParameter(GLcontext * ctx, GLenum target,
 		driSwapOutTextureObject((driTextureObject *) t);
 		break;
 
+	case GL_DEPTH_TEXTURE_MODE:
+		if (texObj->Image[0][texObj->BaseLevel]->TexFormat->BaseFormat 
+		    == GL_DEPTH_COMPONENT) {
+			r300SetDepthTexMode(texObj);
+			break;
+		} else {
+			/* If the texture isn't a depth texture, changing this
+			 * state won't cause any changes to the hardware.
+			 * Don't force a flush of texture state.
+			 */
+			return;
+		}
+
 	default:
 		return;
 	}
diff --git a/src/mesa/drivers/dri/r300/r300_tex.h b/src/mesa/drivers/dri/r300/r300_tex.h
index f67a8e6ba6..b86d45bfe0 100644
--- a/src/mesa/drivers/dri/r300/r300_tex.h
+++ b/src/mesa/drivers/dri/r300/r300_tex.h
@@ -35,6 +35,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #ifndef __r300_TEX_H__
 #define __r300_TEX_H__
 
+extern void r300SetDepthTexMode(struct gl_texture_object *tObj);
+
 extern void r300SetTexOffset(__DRIcontext *pDRICtx, GLint texname,
 			     unsigned long long offset, GLint depth,
 			     GLuint pitch);
diff --git a/src/mesa/drivers/dri/r300/r300_texstate.c b/src/mesa/drivers/dri/r300/r300_texstate.c
index 1d2909fd21..efa201a52d 100644
--- a/src/mesa/drivers/dri/r300/r300_texstate.c
+++ b/src/mesa/drivers/dri/r300/r300_texstate.c
@@ -115,11 +115,80 @@ static const struct tx_table {
 	_ASSIGN(LUMINANCE_ALPHA_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I16A16)),
 	_ASSIGN(INTENSITY_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, X, FL_I32)),
 	_ASSIGN(INTENSITY_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, X, FL_I16)),
+	_ASSIGN(Z16, R300_EASY_TX_FORMAT(X, X, X, X, X16)),
+	_ASSIGN(Z24_S8, R300_EASY_TX_FORMAT(X, X, X, X, X24_Y8)),
+	_ASSIGN(Z32, R300_EASY_TX_FORMAT(X, X, X, X, X32)),
 	/* *INDENT-ON* */
 };
 
 #undef _ASSIGN
 
+void r300SetDepthTexMode(struct gl_texture_object *tObj)
+{
+	static const GLuint formats[3][3] = {
+		{
+			R300_EASY_TX_FORMAT(X, X, X, X, X16),
+			R300_EASY_TX_FORMAT(X, X, X, ONE, X16),
+			R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X16),
+		},
+		{
+			R300_EASY_TX_FORMAT(X, X, X, X, X24_Y8),
+			R300_EASY_TX_FORMAT(X, X, X, ONE, X24_Y8),
+			R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X24_Y8),
+		},
+		{
+			R300_EASY_TX_FORMAT(X, X, X, X, X32),
+			R300_EASY_TX_FORMAT(X, X, X, ONE, X32),
+			R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X32),
+		},
+	};
+	const GLuint *format;
+	r300TexObjPtr t;
+
+	if (!tObj)
+		return;
+
+	t = (r300TexObjPtr) tObj->DriverData;
+
+
+	switch (tObj->Image[0][tObj->BaseLevel]->TexFormat->MesaFormat) {
+	case MESA_FORMAT_Z16:
+		format = formats[0];
+		break;
+	case MESA_FORMAT_Z24_S8:
+		format = formats[1];
+		break;
+	case MESA_FORMAT_Z32:
+		format = formats[2];
+		break;
+	default:
+		/* Error...which should have already been caught by higher
+		 * levels of Mesa.
+		 */
+		ASSERT(0);
+		return;
+	}
+
+	switch (tObj->DepthMode) {
+	case GL_LUMINANCE:
+		t->format = format[0];
+		break;
+	case GL_INTENSITY:
+		t->format = format[1];
+		break;
+	case GL_ALPHA:
+		t->format = format[2];
+		break;
+	default:
+		/* Error...which should have already been caught by higher
+		 * levels of Mesa.
+		 */
+		ASSERT(0);
+		return;
+	}
+}
+
+
 /**
  * This function computes the number of bytes of storage needed for
  * the given texture object (all mipmap levels, all cube faces).
@@ -146,7 +215,12 @@ static void r300SetTexImages(r300ContextPtr rmesa,
 	 */
 	if (!t->image_override
 	    && VALID_FORMAT(baseImage->TexFormat->MesaFormat)) {
-		t->format = tx_table[baseImage->TexFormat->MesaFormat].format;
+		if (baseImage->TexFormat->BaseFormat == GL_DEPTH_COMPONENT) {
+			r300SetDepthTexMode(tObj);
+		} else {
+			t->format = tx_table[baseImage->TexFormat->MesaFormat].format;
+		}
+
 		t->filter |= tx_table[baseImage->TexFormat->MesaFormat].filter;
 	} else if (!t->image_override) {
 		_mesa_problem(NULL, "unexpected texture format in %s",
diff --git a/src/mesa/drivers/dri/r300/radeon_context.c b/src/mesa/drivers/dri/r300/radeon_context.c
index 6dfaf3c647..8316b745ce 100644
--- a/src/mesa/drivers/dri/r300/radeon_context.c
+++ b/src/mesa/drivers/dri/r300/radeon_context.c
@@ -127,6 +127,7 @@ GLboolean radeonInitContext(radeonContextPtr radeon,
 			    void *sharedContextPrivate)
 {
 	__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
+	__DRIdrawablePrivate *dPriv = driContextPriv->driDrawablePriv;
 	radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
 	GLcontext* ctx;
 	GLcontext* shareCtx;
@@ -177,7 +178,7 @@ GLboolean radeonInitContext(radeonContextPtr radeon,
 			radeon->do_usleeps ? "usleeps" : "busy waits",
 			fthrottle_mode, radeon->radeonScreen->irq);
 
-	radeon->vblank_flags = (radeon->radeonScreen->irq != 0)
+	dPriv->vblFlags = (radeon->radeonScreen->irq != 0)
 	    ? driGetDefaultVBlankFlags(&radeon->optionCache) : VBLANK_FLAG_NO_IRQ;
 
 	(*dri_interface->getUST) (&radeon->swap_ust);
@@ -277,9 +278,7 @@ GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 				radeon->glCtx);
 
 		if (radeon->dri.drawable != driDrawPriv) {
-			driDrawableInitVBlank(driDrawPriv,
-					      radeon->vblank_flags,
-					      &radeon->vbl_seq);
+		    driDrawableInitVBlank(driDrawPriv);
 		}
 
 		radeon->dri.readable = driReadPriv;
diff --git a/src/mesa/drivers/dri/r300/radeon_context.h b/src/mesa/drivers/dri/r300/radeon_context.h
index 2f239417a9..38d8930601 100644
--- a/src/mesa/drivers/dri/r300/radeon_context.h
+++ b/src/mesa/drivers/dri/r300/radeon_context.h
@@ -182,10 +182,7 @@ struct radeon_context {
 	GLuint irqsEmitted;
 	drm_radeon_irq_wait_t iw;
 
-	/* VBI / buffer swap */
-	GLuint vbl_seq;
-	GLuint vblank_flags;
-
+	/* buffer swap */
 	int64_t swap_ust;
 	int64_t swap_missed_ust;
 
diff --git a/src/mesa/drivers/dri/r300/radeon_ioctl.c b/src/mesa/drivers/dri/r300/radeon_ioctl.c
index 0b8656b9c1..eeef71aaaf 100644
--- a/src/mesa/drivers/dri/r300/radeon_ioctl.c
+++ b/src/mesa/drivers/dri/r300/radeon_ioctl.c
@@ -157,7 +157,7 @@ static void radeonWaitForFrameCompletion(radeonContextPtr radeon)
 
 /* Copy the back color buffer to the front color buffer.
  */
-void radeonCopyBuffer(const __DRIdrawablePrivate * dPriv,
+void radeonCopyBuffer(__DRIdrawablePrivate * dPriv,
 		      const drm_clip_rect_t	 * rect)
 {
 	radeonContextPtr radeon;
@@ -187,7 +187,7 @@ void radeonCopyBuffer(const __DRIdrawablePrivate * dPriv,
 	if (!rect)
 	{
 	    UNLOCK_HARDWARE(radeon);
-	    driWaitForVBlank(dPriv, &radeon->vbl_seq, radeon->vblank_flags,
+	    driWaitForVBlank(dPriv, &dPriv->vblSeq, dPriv->vblFlags,
 			     &missed_target);
 	    LOCK_HARDWARE(radeon);
 	}
@@ -253,7 +253,7 @@ void radeonCopyBuffer(const __DRIdrawablePrivate * dPriv,
 	}
 }
 
-void radeonPageFlip(const __DRIdrawablePrivate * dPriv)
+void radeonPageFlip(__DRIdrawablePrivate * dPriv)
 {
 	radeonContextPtr radeon;
 	GLint ret;
@@ -293,7 +293,7 @@ void radeonPageFlip(const __DRIdrawablePrivate * dPriv)
 	 */
 	radeonWaitForFrameCompletion(radeon);
 	UNLOCK_HARDWARE(radeon);
-	driWaitForVBlank(dPriv, &radeon->vbl_seq, radeon->vblank_flags,
+	driWaitForVBlank(dPriv, &dPriv->vblSeq, dPriv->vblFlags,
 			 &missed_target);
 	if (missed_target) {
 		radeon->swap_missed_count++;
diff --git a/src/mesa/drivers/dri/r300/radeon_ioctl.h b/src/mesa/drivers/dri/r300/radeon_ioctl.h
index 3a80d36c62..210001e8e0 100644
--- a/src/mesa/drivers/dri/r300/radeon_ioctl.h
+++ b/src/mesa/drivers/dri/r300/radeon_ioctl.h
@@ -46,9 +46,9 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #endif
 #include "radeon_drm.h"
 
-extern void radeonCopyBuffer(const __DRIdrawablePrivate * drawable,
+extern void radeonCopyBuffer(__DRIdrawablePrivate * drawable,
 			     const drm_clip_rect_t	* rect);
-extern void radeonPageFlip(const __DRIdrawablePrivate * drawable);
+extern void radeonPageFlip(__DRIdrawablePrivate * drawable);
 extern void radeonFlush(GLcontext * ctx);
 extern void radeonFinish(GLcontext * ctx);
 extern void radeonWaitForIdleLocked(radeonContextPtr radeon);