X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fr300%2Fradeon_span.c;h=232868c4c9eb3eb12c1d854316fd29f7cd9b1d90;hb=8403df33e070cf76af8ae96373d8090e8979c897;hp=3616d8b14de3e08b6c27a43bec51dda6f385fad5;hpb=cc7dd4fc1b3c765ca1ecd943d189bb156dae529d;p=mesa.git diff --git a/src/mesa/drivers/dri/r300/radeon_span.c b/src/mesa/drivers/dri/r300/radeon_span.c deleted file mode 100644 index 3616d8b14de..00000000000 --- a/src/mesa/drivers/dri/r300/radeon_span.c +++ /dev/null @@ -1,349 +0,0 @@ -/************************************************************************** - -Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. -Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and - VA Linux Systems Inc., Fremont, California. - -The Weather Channel (TM) funded Tungsten Graphics to develop the -initial release of the Radeon 8500 driver under the XFree86 license. -This notice must be preserved. - -All Rights Reserved. - -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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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: - * Kevin E. Martin - * Gareth Hughes - * Keith Whitwell - * - */ - -#include "glheader.h" -#include "swrast/swrast.h" - -#include "r300_state.h" -#include "radeon_ioctl.h" -#include "r300_ioctl.h" -#include "radeon_span.h" - -#include "drirenderbuffer.h" - -#define DBG 0 - -/* - * Note that all information needed to access pixels in a renderbuffer - * should be obtained through the gl_renderbuffer parameter, not per-context - * information. - */ -#define LOCAL_VARS \ - driRenderbuffer *drb = (driRenderbuffer *) rb; \ - const __DRIdrawablePrivate *dPriv = drb->dPriv; \ - const GLuint bottom = dPriv->h - 1; \ - GLubyte *buf = (GLubyte *) drb->flippedData \ - + (dPriv->y * drb->flippedPitch + dPriv->x) * drb->cpp; \ - GLuint p; \ - (void) p; - -#define LOCAL_DEPTH_VARS \ - driRenderbuffer *drb = (driRenderbuffer *) rb; \ - const __DRIdrawablePrivate *dPriv = drb->dPriv; \ - const GLuint bottom = dPriv->h - 1; \ - GLuint xo = dPriv->x; \ - GLuint yo = dPriv->y; \ - GLubyte *buf = (GLubyte *) drb->Base.Data; - -#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS - -#define Y_FLIP(Y) (bottom - (Y)) - -#define HW_LOCK() - -#define HW_UNLOCK() - -/* ================================================================ - * Color buffer - */ - -/* 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) radeon##x##_RGB565 -#define TAG2(x,y) radeon##x##_RGB565##y -#define GET_PTR(X,Y) (buf + ((Y) * drb->flippedPitch + (X)) * 2) -#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) radeon##x##_ARGB8888 -#define TAG2(x,y) radeon##x##_ARGB8888##y -#define GET_PTR(X,Y) (buf + ((Y) * drb->flippedPitch + (X)) * 4) -#include "spantmp2.h" - -/* ================================================================ - * Depth buffer - */ - -/* The Radeon family has depth tiling on all the time, so we have to convert - * the x,y coordinates into the memory bus address (mba) in the same - * manner as the engine. In each case, the linear block address (ba) - * is calculated, and then wired with x and y to produce the final - * memory address. - * The chip will do address translation on its own if the surface registers - * are set up correctly. It is not quite enough to get it working with hyperz - * too... - */ - -static GLuint radeon_mba_z32(const driRenderbuffer * drb, GLint x, GLint y) -{ - GLuint pitch = drb->pitch; - if (drb->depthHasSurface) { - return 4 * (x + y * pitch); - } else { - GLuint ba, address = 0; /* a[0..1] = 0 */ - -#ifdef COMPILE_R300 - ba = (y / 8) * (pitch / 8) + (x / 8); -#else - ba = (y / 16) * (pitch / 16) + (x / 16); -#endif - - address |= (x & 0x7) << 2; /* a[2..4] = x[0..2] */ - address |= (y & 0x3) << 5; /* a[5..6] = y[0..1] */ - address |= (((x & 0x10) >> 2) ^ (y & 0x4)) << 5; /* a[7] = x[4] ^ y[2] */ - address |= (ba & 0x3) << 8; /* a[8..9] = ba[0..1] */ - - address |= (y & 0x8) << 7; /* a[10] = y[3] */ - address |= (((x & 0x8) << 1) ^ (y & 0x10)) << 7; /* a[11] = x[3] ^ y[4] */ - address |= (ba & ~0x3) << 10; /* a[12..] = ba[2..] */ - - return address; - } -} - -static INLINE GLuint -radeon_mba_z16(const driRenderbuffer * drb, GLint x, GLint y) -{ - GLuint pitch = drb->pitch; - if (drb->depthHasSurface) { - return 2 * (x + y * pitch); - } else { - GLuint ba, address = 0; /* a[0] = 0 */ - - ba = (y / 16) * (pitch / 32) + (x / 32); - - address |= (x & 0x7) << 1; /* a[1..3] = x[0..2] */ - address |= (y & 0x7) << 4; /* a[4..6] = y[0..2] */ - address |= (x & 0x8) << 4; /* a[7] = x[3] */ - address |= (ba & 0x3) << 8; /* a[8..9] = ba[0..1] */ - address |= (y & 0x8) << 7; /* a[10] = y[3] */ - address |= ((x & 0x10) ^ (y & 0x10)) << 7; /* a[11] = x[4] ^ y[4] */ - address |= (ba & ~0x3) << 10; /* a[12..] = ba[2..] */ - - return address; - } -} - -/* 16-bit depth buffer functions - */ -#define VALUE_TYPE GLushort - -#define WRITE_DEPTH( _x, _y, d ) \ - *(GLushort *)(buf + radeon_mba_z16( drb, _x + xo, _y + yo )) = d; - -#define READ_DEPTH( d, _x, _y ) \ - d = *(GLushort *)(buf + radeon_mba_z16( drb, _x + xo, _y + yo )); - -#define TAG(x) radeon##x##_z16 -#include "depthtmp.h" - -/* 24 bit depth, 8 bit stencil depthbuffer functions - * - * Careful: It looks like the R300 uses ZZZS byte order while the R200 - * uses SZZZ for 24 bit depth, 8 bit stencil mode. - */ -#define VALUE_TYPE GLuint - -#ifdef COMPILE_R300 -#define WRITE_DEPTH( _x, _y, d ) \ -do { \ - GLuint offset = radeon_mba_z32( drb, _x + xo, _y + yo ); \ - GLuint tmp = *(GLuint *)(buf + offset); \ - tmp &= 0x000000ff; \ - tmp |= ((d << 8) & 0xffffff00); \ - *(GLuint *)(buf + offset) = tmp; \ -} while (0) -#else -#define WRITE_DEPTH( _x, _y, d ) \ -do { \ - GLuint offset = radeon_mba_z32( drb, _x + xo, _y + yo ); \ - GLuint tmp = *(GLuint *)(buf + offset); \ - tmp &= 0xff000000; \ - tmp |= ((d) & 0x00ffffff); \ - *(GLuint *)(buf + offset) = tmp; \ -} while (0) -#endif - -#ifdef COMPILE_R300 -#define READ_DEPTH( d, _x, _y ) \ - do { \ - d = (*(GLuint *)(buf + radeon_mba_z32( drb, _x + xo, \ - _y + yo )) & 0xffffff00) >> 8; \ - }while(0) -#else -#define READ_DEPTH( d, _x, _y ) \ - d = *(GLuint *)(buf + radeon_mba_z32( drb, _x + xo, \ - _y + yo )) & 0x00ffffff; -#endif - -#define TAG(x) radeon##x##_z24_s8 -#include "depthtmp.h" - -/* ================================================================ - * Stencil buffer - */ - -/* 24 bit depth, 8 bit stencil depthbuffer functions - */ -#ifdef COMPILE_R300 -#define WRITE_STENCIL( _x, _y, d ) \ -do { \ - GLuint offset = radeon_mba_z32( drb, _x + xo, _y + yo ); \ - GLuint tmp = *(GLuint *)(buf + offset); \ - tmp &= 0xffffff00; \ - tmp |= (d) & 0xff; \ - *(GLuint *)(buf + offset) = tmp; \ -} while (0) -#else -#define WRITE_STENCIL( _x, _y, d ) \ -do { \ - GLuint offset = radeon_mba_z32( drb, _x + xo, _y + yo ); \ - GLuint tmp = *(GLuint *)(buf + offset); \ - tmp &= 0x00ffffff; \ - tmp |= (((d) & 0xff) << 24); \ - *(GLuint *)(buf + offset) = tmp; \ -} while (0) -#endif - -#ifdef COMPILE_R300 -#define READ_STENCIL( d, _x, _y ) \ -do { \ - GLuint offset = radeon_mba_z32( drb, _x + xo, _y + yo ); \ - GLuint tmp = *(GLuint *)(buf + offset); \ - d = tmp & 0x000000ff; \ -} while (0) -#else -#define READ_STENCIL( d, _x, _y ) \ -do { \ - GLuint offset = radeon_mba_z32( drb, _x + xo, _y + yo ); \ - GLuint tmp = *(GLuint *)(buf + offset); \ - d = (tmp & 0xff000000) >> 24; \ -} while (0) -#endif - -#define TAG(x) radeon##x##_z24_s8 -#include "stenciltmp.h" - -/* Move locking out to get reasonable span performance (10x better - * than doing this in HW_LOCK above). WaitForIdle() is the main - * culprit. - */ - -static void radeonSpanRenderStart(GLcontext * ctx) -{ - radeonContextPtr rmesa = RADEON_CONTEXT(ctx); -#ifdef COMPILE_R300 - r300ContextPtr r300 = (r300ContextPtr) rmesa; - R300_FIREVERTICES(r300); -#else - RADEON_FIREVERTICES(rmesa); -#endif - LOCK_HARDWARE(rmesa); - radeonWaitForIdleLocked(rmesa); - - /* Read the first pixel in the frame buffer. This should - * be a noop, right? In fact without this conform fails as reading - * from the framebuffer sometimes produces old results -- the - * on-card read cache gets mixed up and doesn't notice that the - * framebuffer has been updated. - * - * Note that we should probably be reading some otherwise unused - * region of VRAM, otherwise we might get incorrect results when - * reading pixels from the top left of the screen. - * - * I found this problem on an R420 with glean's texCube test. - * Note that the R200 span code also *writes* the first pixel in the - * framebuffer, but I've found this to be unnecessary. - * -- Nicolai Hähnle, June 2008 - */ - { - int p; - driRenderbuffer *drb = - (driRenderbuffer *) ctx->WinSysDrawBuffer->_ColorDrawBuffers[0]; - volatile int *buf = - (volatile int *)(rmesa->dri.screen->pFB + drb->offset); - p = *buf; - } -} - -static void radeonSpanRenderFinish(GLcontext * ctx) -{ - radeonContextPtr rmesa = RADEON_CONTEXT(ctx); - _swrast_flush(ctx); - UNLOCK_HARDWARE(rmesa); -} - -void radeonInitSpanFuncs(GLcontext * ctx) -{ - struct swrast_device_driver *swdd = - _swrast_GetDeviceDriverReference(ctx); - swdd->SpanRenderStart = radeonSpanRenderStart; - swdd->SpanRenderFinish = radeonSpanRenderFinish; -} - -/** - * Plug in the Get/Put routines for the given driRenderbuffer. - */ -void radeonSetSpanFunctions(driRenderbuffer * drb, const GLvisual * vis) -{ - if (drb->Base.InternalFormat == GL_RGBA) { - if (vis->redBits == 5 && vis->greenBits == 6 - && vis->blueBits == 5) { - radeonInitPointers_RGB565(&drb->Base); - } else { - radeonInitPointers_ARGB8888(&drb->Base); - } - } else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) { - radeonInitDepthPointers_z16(&drb->Base); - } else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) { - radeonInitDepthPointers_z24_s8(&drb->Base); - } else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) { - radeonInitStencilPointers_z24_s8(&drb->Base); - } -} diff --git a/src/mesa/drivers/dri/r300/radeon_span.c b/src/mesa/drivers/dri/r300/radeon_span.c new file mode 120000 index 00000000000..232868c4c9e --- /dev/null +++ b/src/mesa/drivers/dri/r300/radeon_span.c @@ -0,0 +1 @@ +../radeon/radeon_span.c \ No newline at end of file