diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_span.c')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_span.c | 217 |
1 files changed, 125 insertions, 92 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_span.c b/src/mesa/drivers/dri/radeon/radeon_span.c index c49f5870c63..732a85ecf0b 100644 --- a/src/mesa/drivers/dri/radeon/radeon_span.c +++ b/src/mesa/drivers/dri/radeon/radeon_span.c @@ -1,9 +1,13 @@ -/* $XFree86: xc/lib/GL/mesa/src/drv/radeon/radeon_span.c,v 1.6 2002/10/30 12:51:56 alanh Exp $ */ /************************************************************************** +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 @@ -47,10 +51,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #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 @@ -81,8 +83,6 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #define HW_UNLOCK() - - /* ================================================================ * Color buffer */ @@ -97,7 +97,6 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #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 @@ -108,7 +107,6 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #define GET_PTR(X,Y) (buf + ((Y) * drb->flippedPitch + (X)) * 4) #include "spantmp2.h" - /* ================================================================ * Depth buffer */ @@ -123,59 +121,56 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * too... */ -static GLuint -radeon_mba_z32( const driRenderbuffer *drb, GLint x, GLint y ) +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 */ - - ba = (y / 16) * (pitch / 16) + (x / 16); - - 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; - } + 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 ) +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; - } + 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 WRITE_DEPTH( _x, _y, d ) \ @@ -187,9 +182,21 @@ radeon_mba_z16( const driRenderbuffer *drb, GLint x, GLint y ) #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. */ +#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 ); \ @@ -198,21 +205,39 @@ do { \ 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 ); \ @@ -221,69 +246,77 @@ do { \ 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); \ - tmp &= 0xff000000; \ - d = tmp >> 24; \ + 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 ) +static void radeonSpanRenderStart(GLcontext * ctx) { - radeonContextPtr rmesa = RADEON_CONTEXT( ctx ); - RADEON_FIREVERTICES( rmesa ); - LOCK_HARDWARE( rmesa ); - radeonWaitForIdleLocked( rmesa ); + 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); } -static void radeonSpanRenderFinish( GLcontext *ctx ) +static void radeonSpanRenderFinish(GLcontext * ctx) { - radeonContextPtr rmesa = RADEON_CONTEXT( ctx ); - _swrast_flush( ctx ); - UNLOCK_HARDWARE( rmesa ); + radeonContextPtr rmesa = RADEON_CONTEXT(ctx); + _swrast_flush(ctx); + UNLOCK_HARDWARE(rmesa); } -void radeonInitSpanFuncs( GLcontext *ctx ) +void radeonInitSpanFuncs(GLcontext * ctx) { - struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); - swdd->SpanRenderStart = radeonSpanRenderStart; - swdd->SpanRenderFinish = radeonSpanRenderFinish; + 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) +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); - } + 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); + } } |