intel: make template wrappers for the spans templates.

This is insanity, but so is copying the same blocks containing the actual
interesting code in the file three times each for the different tile formats.

4 files changed, 165 insertions, 189 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_depthtmp.h b/src/mesa/drivers/dri/intel/intel_depthtmp.h
new file mode 100644
index 0000000000..16d7708453
--- /dev/null
+++ b/src/mesa/drivers/dri/intel/intel_depthtmp.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+/**
+ * Wrapper around the depthtmp.h macrofest to generate spans code for
+ * all the tiling styles.
+ */
+
+#define VALUE_TYPE INTEL_VALUE_TYPE
+#define WRITE_DEPTH(_x, _y, d) INTEL_WRITE_DEPTH(NO_TILE(_x, _y), d)
+#define READ_DEPTH(d, _x, _y) d = INTEL_READ_DEPTH(NO_TILE(_x, _y))
+#define TAG(x) INTEL_TAG(intel##x)
+#include "depthtmp.h"
+
+#define VALUE_TYPE INTEL_VALUE_TYPE
+#define WRITE_DEPTH(_x, _y, d) INTEL_WRITE_DEPTH(X_TILE(_x, _y), d)
+#define READ_DEPTH(d, _x, _y) d = INTEL_READ_DEPTH(X_TILE(_x, _y))
+#define TAG(x) INTEL_TAG(intel_XTile_##x)
+#include "depthtmp.h"
+
+#define VALUE_TYPE INTEL_VALUE_TYPE
+#define WRITE_DEPTH(_x, _y, d) INTEL_WRITE_DEPTH(Y_TILE(_x, _y), d)
+#define READ_DEPTH(d, _x, _y) d = INTEL_READ_DEPTH(Y_TILE(_x, _y))
+#define TAG(x) INTEL_TAG(intel_YTile_##x)
+#include "depthtmp.h"
+
+#undef INTEL_VALUE_TYPE
+#undef INTEL_WRITE_DEPTH
+#undef INTEL_READ_DEPTH
+#undef INTEL_TAG
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
index 1db7f5594e..eb898a18cf 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
@@ -541,7 +541,7 @@ intelBitmap(GLcontext * ctx,
 	    GLsizei width, GLsizei height,
 	    const struct gl_pixelstore_attrib *unpack,
 	    const GLubyte * pixels)
-{
+{/*
    if (do_blit_bitmap(ctx, x, y, width, height,
                           unpack, pixels))
       return;
@@ -549,7 +549,7 @@ intelBitmap(GLcontext * ctx,
    if (intel_texture_bitmap(ctx, x, y, width, height,
 			    unpack, pixels))
       return;
-
+ */
    if (INTEL_DEBUG & DEBUG_PIXEL)
       _mesa_printf("%s: fallback to swrast\n", __FUNCTION__);
 
diff --git a/src/mesa/drivers/dri/intel/intel_span.c b/src/mesa/drivers/dri/intel/intel_span.c
index bdd2fd9e85..b397fbebce 100644
--- a/src/mesa/drivers/dri/intel/intel_span.c
+++ b/src/mesa/drivers/dri/intel/intel_span.c
@@ -131,6 +131,18 @@ pwrite_8(struct intel_renderbuffer *irb, uint32_t offset, uint8_t val)
    dri_bo_subdata(irb->region->buffer, offset, 1, &val);
 }
 
+static uint32_t
+z24s8_to_s8z24(uint32_t val)
+{
+   return (val << 24) | (val >> 8);
+}
+
+static uint32_t
+s8z24_to_z24s8(uint32_t val)
+{
+   return (val >> 24) | (val << 8);
+}
+
 static uint32_t no_tile_swizzle(struct intel_renderbuffer *irb,
 				int x, int y)
 {
@@ -293,101 +305,29 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
 #define X_TILE(_X, _Y) x_tile_swizzle(irb, (_X) + x_off, (_Y) + y_off)
 #define Y_TILE(_X, _Y) y_tile_swizzle(irb, (_X) + x_off, (_Y) + y_off)
 
-/* 16 bit, RGB565 color spanline and pixel functions
- */
-#define SPANTMP_PIXEL_FMT GL_RGB
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5
-
-#define TAG(x)    intel##x##_RGB565
-#define TAG2(x,y) intel##x##_RGB565##y
-#define GET_VALUE(X, Y) pread_16(irb, NO_TILE(X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_16(irb, NO_TILE(X, Y), V)
-#include "spantmp2.h"
-
-/* 32 bit, ARGB8888 color spanline and pixel functions
- */
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel##x##_ARGB8888
-#define TAG2(x,y) intel##x##_ARGB8888##y
-#define GET_VALUE(X, Y) pread_32(irb, NO_TILE(X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_32(irb, NO_TILE(X, Y), V)
-#include "spantmp2.h"
-
-/* 32 bit, xRGB8888 color spanline and pixel functions
- */
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel##x##_xRGB8888
-#define TAG2(x,y) intel##x##_xRGB8888##y
-#define GET_VALUE(X, Y) pread_xrgb8888(irb, NO_TILE(X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_xrgb8888(irb, NO_TILE(X, Y), V)
-#include "spantmp2.h"
-
-/* 16 bit RGB565 color tile spanline and pixel functions
- */
-
-#define SPANTMP_PIXEL_FMT GL_RGB
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5
-
-#define TAG(x)    intel_XTile_##x##_RGB565
-#define TAG2(x,y) intel_XTile_##x##_RGB565##y
-#define GET_VALUE(X, Y) pread_16(irb, X_TILE(X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_16(irb, X_TILE(X, Y), V)
-#include "spantmp2.h"
-
-#define SPANTMP_PIXEL_FMT GL_RGB
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5
-
-#define TAG(x)    intel_YTile_##x##_RGB565
-#define TAG2(x,y) intel_YTile_##x##_RGB565##y
-#define GET_VALUE(X, Y) pread_16(irb, Y_TILE(X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_16(irb, Y_TILE(X, Y), V)
-#include "spantmp2.h"
-
-/* 32 bit ARGB888 color tile spanline and pixel functions
- */
-
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel_XTile_##x##_ARGB8888
-#define TAG2(x,y) intel_XTile_##x##_ARGB8888##y
-#define GET_VALUE(X, Y) pread_32(irb, X_TILE(X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_32(irb, X_TILE(X, Y), V)
-#include "spantmp2.h"
-
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel_YTile_##x##_ARGB8888
-#define TAG2(x,y) intel_YTile_##x##_ARGB8888##y
-#define GET_VALUE(X, Y) pread_32(irb, Y_TILE(X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_32(irb, Y_TILE(X, Y), V)
-#include "spantmp2.h"
-
-/* 32 bit xRGB888 color tile spanline and pixel functions
- */
-
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel_XTile_##x##_xRGB8888
-#define TAG2(x,y) intel_XTile_##x##_xRGB8888##y
-#define GET_VALUE(X, Y) pread_xrgb8888(irb, X_TILE(X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_xrgb8888(irb, X_TILE(X, Y), V)
-#include "spantmp2.h"
-
-#define SPANTMP_PIXEL_FMT GL_BGRA
-#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-
-#define TAG(x)    intel_YTile_##x##_xRGB8888
-#define TAG2(x,y) intel_YTile_##x##_xRGB8888##y
-#define GET_VALUE(X, Y) pread_xrgb8888(irb, Y_TILE(X, Y))
-#define PUT_VALUE(X, Y, V) pwrite_xrgb8888(irb, Y_TILE(X, Y), V)
-#include "spantmp2.h"
+/* r5g6b5 color span and pixel functions */
+#define INTEL_PIXEL_FMT GL_RGB
+#define INTEL_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5
+#define INTEL_READ_VALUE(offset) pread_16(irb, offset)
+#define INTEL_WRITE_VALUE(offset, v) pwrite_16(irb, offset, v)
+#define INTEL_TAG(x) x##_RGB565
+#include "intel_spantmp.h"
+
+/* a8r8g8b8 color span and pixel functions */
+#define INTEL_PIXEL_FMT GL_BGRA
+#define INTEL_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
+#define INTEL_READ_VALUE(offset) pread_32(irb, offset)
+#define INTEL_WRITE_VALUE(offset, v) pwrite_32(irb, offset, v)
+#define INTEL_TAG(x) x##_ARGB8888
+#include "intel_spantmp.h"
+
+/* x8r8g8b8 color span and pixel functions */
+#define INTEL_PIXEL_FMT GL_BGRA
+#define INTEL_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
+#define INTEL_READ_VALUE(offset) pread_xrgb8888(irb, offset)
+#define INTEL_WRITE_VALUE(offset, v) pwrite_xrgb8888(irb, offset, v)
+#define INTEL_TAG(x) x##_xRGB8888
+#include "intel_spantmp.h"
 
 #define LOCAL_DEPTH_VARS						\
    struct intel_context *intel = intel_context(ctx);			\
@@ -402,98 +342,19 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
 
 #define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
 
-/**
- ** 16-bit depthbuffer functions.
- **/
-#define VALUE_TYPE GLushort
-#define WRITE_DEPTH(_x, _y, d) pwrite_16(irb, NO_TILE(_x, _y), d)
-#define READ_DEPTH(d, _x, _y) d = pread_16(irb, NO_TILE(_x, _y))
-#define TAG(x) intel##x##_z16
-#include "depthtmp.h"
-
-
-/**
- ** 16-bit x tile depthbuffer functions.
- **/
-#define VALUE_TYPE GLushort
-#define WRITE_DEPTH(_x, _y, d) pwrite_16(irb, X_TILE(_x, _y), d)
-#define READ_DEPTH(d, _x, _y) d = pread_16(irb, X_TILE(_x, _y))
-#define TAG(x) intel_XTile_##x##_z16
-#include "depthtmp.h"
-
-/**
- ** 16-bit y tile depthbuffer functions.
- **/
-#define VALUE_TYPE GLushort
-#define WRITE_DEPTH(_x, _y, d) pwrite_16(irb, Y_TILE(_x, _y), d)
-#define READ_DEPTH(d, _x, _y) d = pread_16(irb, Y_TILE(_x, _y))
-#define TAG(x) intel_YTile_##x##_z16
-#include "depthtmp.h"
-
-
-/**
- ** 24/8-bit interleaved depth/stencil functions
- ** Note: we're actually reading back combined depth+stencil values.
- ** The wrappers in main/depthstencil.c are used to extract the depth
- ** and stencil values.
- **/
-#define VALUE_TYPE GLuint
-
-/* Change ZZZS -> SZZZ */
-#define WRITE_DEPTH(_x, _y, d)					\
-   pwrite_32(irb, NO_TILE(_x, _y), ((d) >> 8) | ((d) << 24))
-
-/* Change SZZZ -> ZZZS */
-#define READ_DEPTH( d, _x, _y ) {				\
-   GLuint tmp = pread_32(irb, NO_TILE(_x, _y));			\
-   d = (tmp << 8) | (tmp >> 24);				\
-}
-
-#define TAG(x) intel##x##_z24_s8
-#include "depthtmp.h"
-
-
-/**
- ** 24/8-bit x-tile interleaved depth/stencil functions
- ** Note: we're actually reading back combined depth+stencil values.
- ** The wrappers in main/depthstencil.c are used to extract the depth
- ** and stencil values.
- **/
-#define VALUE_TYPE GLuint
-
-/* Change ZZZS -> SZZZ */
-#define WRITE_DEPTH(_x, _y, d)					\
-   pwrite_32(irb, X_TILE(_x, _y), ((d) >> 8) | ((d) << 24))
-
-/* Change SZZZ -> ZZZS */
-#define READ_DEPTH( d, _x, _y ) {				\
-   GLuint tmp = pread_32(irb, X_TILE(_x, _y));		\
-   d = (tmp << 8) | (tmp >> 24);				\
-}
-
-#define TAG(x) intel_XTile_##x##_z24_s8
-#include "depthtmp.h"
-
-/**
- ** 24/8-bit y-tile interleaved depth/stencil functions
- ** Note: we're actually reading back combined depth+stencil values.
- ** The wrappers in main/depthstencil.c are used to extract the depth
- ** and stencil values.
- **/
-#define VALUE_TYPE GLuint
-
-/* Change ZZZS -> SZZZ */
-#define WRITE_DEPTH(_x, _y, d)					\
-   pwrite_32(irb, Y_TILE(_x, _y), ((d) >> 8) | ((d) << 24))
-
-/* Change SZZZ -> ZZZS */
-#define READ_DEPTH( d, _x, _y ) {				\
-   GLuint tmp = pread_32(irb, Y_TILE(_x, _y));			\
-   d = (tmp << 8) | (tmp >> 24);				\
-}
-
-#define TAG(x) intel_YTile_##x##_z24_s8
-#include "depthtmp.h"
+/* z16 depthbuffer functions. */
+#define INTEL_VALUE_TYPE GLushort
+#define INTEL_WRITE_DEPTH(offset, d) pwrite_16(irb, offset, d)
+#define INTEL_READ_DEPTH(offset) pread_16(irb, offset)
+#define INTEL_TAG(name) name##_z16
+#include "intel_depthtmp.h"
+
+/* z24s8 depthbuffer functions. */
+#define INTEL_VALUE_TYPE GLuint
+#define INTEL_WRITE_DEPTH(offset, d) pwrite_32(irb, offset, z24s8_to_s8z24(d))
+#define INTEL_READ_DEPTH(offset) s8z24_to_z24s8(pread_32(irb, offset))
+#define INTEL_TAG(name) name##_z24_s8
+#include "intel_depthtmp.h"
 
 
 /**
diff --git a/src/mesa/drivers/dri/intel/intel_spantmp.h b/src/mesa/drivers/dri/intel/intel_spantmp.h
new file mode 100644
index 0000000000..ead0b1c168
--- /dev/null
+++ b/src/mesa/drivers/dri/intel/intel_spantmp.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+/**
+ * Wrapper around the spantmp.h macrofest to generate spans code for
+ * all the tiling styles.
+ */
+
+#define SPANTMP_PIXEL_FMT INTEL_PIXEL_FMT
+#define SPANTMP_PIXEL_TYPE INTEL_PIXEL_TYPE
+#define PUT_VALUE(_x, _y, v) INTEL_WRITE_VALUE(NO_TILE(_x, _y), v)
+#define GET_VALUE(_x, _y) INTEL_READ_VALUE(NO_TILE(_x, _y))
+#define TAG(x) INTEL_TAG(intel##x)
+#define TAG2(x, y) INTEL_TAG(intel##x)##y
+#include "spantmp2.h"
+
+#define SPANTMP_PIXEL_FMT INTEL_PIXEL_FMT
+#define SPANTMP_PIXEL_TYPE INTEL_PIXEL_TYPE
+#define PUT_VALUE(_x, _y, v) INTEL_WRITE_VALUE(X_TILE(_x, _y), v)
+#define GET_VALUE(_x, _y) INTEL_READ_VALUE(X_TILE(_x, _y))
+#define TAG(x) INTEL_TAG(intel_XTile_##x)
+#define TAG2(x, y) INTEL_TAG(intel_XTile_##x)##y
+#include "spantmp2.h"
+
+#define SPANTMP_PIXEL_FMT INTEL_PIXEL_FMT
+#define SPANTMP_PIXEL_TYPE INTEL_PIXEL_TYPE
+#define PUT_VALUE(_x, _y, v) INTEL_WRITE_VALUE(X_TILE(_x, _y), v)
+#define GET_VALUE(_x, _y) INTEL_READ_VALUE(X_TILE(_x, _y))
+#define TAG(x) INTEL_TAG(intel_YTile_##x)
+#define TAG2(x, y) INTEL_TAG(intel_YTile_##x)##y
+#include "spantmp2.h"
+
+#undef INTEL_PIXEL_FMT
+#undef INTEL_PIXEL_TYPE
+#undef INTEL_WRITE_VALUE
+#undef INTEL_READ_VALUE
+#undef INTEL_TAG