diff options
author | Dave Airlie <airlied@redhat.com> | 2009-08-07 16:16:08 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2009-08-07 16:16:08 +1000 |
commit | 2dc3fb7803cd31b20a06bcad23949be5b3a1dbb2 (patch) | |
tree | b2f6c5dfdb603fcd1563d4cc2e9f28d05872b3e1 | |
parent | eaf87e84c3e29f8473cc04f681e965fbef38916b (diff) |
radeon span: add r200 depth/stencil span read/writing
this should only really affect DRI2 since we mostly have a surface in DRI1.
I don't think this is perfect yet, but it is a better start than nothing.
-rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_span.c | 124 |
1 files changed, 111 insertions, 13 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_span.c b/src/mesa/drivers/dri/radeon/radeon_span.c index b2a468b4fd..5e4bf00d7a 100644 --- a/src/mesa/drivers/dri/radeon/radeon_span.c +++ b/src/mesa/drivers/dri/radeon/radeon_span.c @@ -51,6 +51,59 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. static void radeonSetSpanFunctions(struct radeon_renderbuffer *rrb); + +/* r200 depth buffer is always tiled - this is the formula + according to the docs unless I typo'ed in it +*/ +static GLubyte *r200_depth_2byte(const struct radeon_renderbuffer * rrb, + GLint x, GLint y) +{ + GLubyte *ptr = rrb->bo->ptr; + GLint offset; + if (rrb->has_surface) { + offset = x * rrb->cpp + y * rrb->pitch; + } else { + GLuint b; + offset = 0; + b = (((y >> 4) * (rrb->pitch >> 8) + (x >> 6))); + offset += (b >> 1) << 12; + offset += (((rrb->pitch >> 8) & 0x1) ? (b & 0x1) : ((b & 0x1) ^ ((y >> 4) & 0x1))) << 11; + offset += ((y >> 2) & 0x3) << 9; + offset += ((x >> 3) & 0x1) << 8; + offset += ((x >> 4) & 0x3) << 6; + offset += ((x >> 2) & 0x1) << 5; + offset += ((y >> 1) & 0x1) << 4; + offset += ((x >> 1) & 0x1) << 3; + offset += (y & 0x1) << 2; + offset += (x & 0x1) << 1; + } + return &ptr[offset]; +} + +static GLubyte *r200_depth_4byte(const struct radeon_renderbuffer * rrb, + GLint x, GLint y) +{ + GLubyte *ptr = rrb->bo->ptr; + GLint offset; + if (rrb->has_surface) { + offset = x * rrb->cpp + y * rrb->pitch; + } else { + GLuint b; + offset = 0; + b = (((y & 0x7ff) >> 4) * (rrb->pitch >> 7) + (x >> 5)); + offset += (b >> 1) << 12; + offset += (((rrb->pitch >> 7) & 0x1) ? (b & 0x1) : ((b & 0x1) ^ ((y >> 4) & 0x1))) << 11; + offset += ((y >> 2) & 0x3) << 9; + offset += ((x >> 2) & 0x1) << 8; + offset += ((x >> 3) & 0x3) << 6; + offset += ((y >> 1) & 0x1) << 5; + offset += ((x >> 1) & 0x1) << 4; + offset += (y & 0x1) << 3; + offset += (x & 0x1) << 2; + } + return &ptr[offset]; +} + /* radeon tiling on r300-r500 has 4 states, macro-linear/micro-linear macro-linear/micro-tiled @@ -61,7 +114,6 @@ static void radeonSetSpanFunctions(struct radeon_renderbuffer *rrb); 4 byte surface 8/16 byte (unused) */ - static GLubyte *radeon_ptr_4byte(const struct radeon_renderbuffer * rrb, GLint x, GLint y) { @@ -285,11 +337,21 @@ s8z24_to_z24s8(uint32_t val) */ #define VALUE_TYPE GLushort +#if defined(RADEON_COMMON_FOR_R200) +#define WRITE_DEPTH( _x, _y, d ) \ + *(GLushort *)r200_depth_2byte(rrb, _x + x_off, _y + y_off) = d +#else #define WRITE_DEPTH( _x, _y, d ) \ *(GLushort *)radeon_ptr_2byte_8x2(rrb, _x + x_off, _y + y_off) = d +#endif +#if defined(RADEON_COMMON_FOR_R200) +#define READ_DEPTH( d, _x, _y ) \ + d = *(GLushort *)r200_depth_2byte(rrb, _x + x_off, _y + y_off) +#else #define READ_DEPTH( d, _x, _y ) \ d = *(GLushort *)radeon_ptr_2byte_8x2(rrb, _x + x_off, _y + y_off) +#endif #define TAG(x) radeon##x##_z16 #include "depthtmp.h" @@ -301,7 +363,7 @@ s8z24_to_z24s8(uint32_t val) */ #define VALUE_TYPE GLuint -#ifdef COMPILE_R300 +#if defined(COMPILE_R300) #define WRITE_DEPTH( _x, _y, d ) \ do { \ GLuint *_ptr = (GLuint*)radeon_ptr_4byte( rrb, _x + x_off, _y + y_off ); \ @@ -310,6 +372,15 @@ do { \ tmp |= ((d << 8) & 0xffffff00); \ *_ptr = tmp; \ } while (0) +#elif defined(RADEON_COMMON_FOR_R200) +#define WRITE_DEPTH( _x, _y, d ) \ +do { \ + GLuint *_ptr = (GLuint*)r200_depth_4byte( rrb, _x + x_off, _y + y_off ); \ + GLuint tmp = *_ptr; \ + tmp &= 0xff000000; \ + tmp |= ((d) & 0x00ffffff); \ + *_ptr = tmp; \ +} while (0) #else #define WRITE_DEPTH( _x, _y, d ) \ do { \ @@ -321,19 +392,21 @@ do { \ } while (0) #endif -#ifdef COMPILE_R300 +#if defined(COMPILE_R300) #define READ_DEPTH( d, _x, _y ) \ do { \ d = (*(GLuint*)(radeon_ptr_4byte(rrb, _x + x_off, _y + y_off)) & 0xffffff00) >> 8; \ }while(0) +#elif defined(RADEON_COMMON_FOR_R200) +#define READ_DEPTH( d, _x, _y ) \ + do { \ + d = *(GLuint*)(r200_depth_4byte(rrb, _x + x_off, _y + y_off)) & 0x00ffffff; \ + }while(0) #else #define READ_DEPTH( d, _x, _y ) \ d = *(GLuint*)(radeon_ptr_4byte(rrb, _x + x_off, _y + y_off)) & 0x00ffffff; #endif -/* - fprintf(stderr, "dval(%d, %d, %d, %d)=0x%08X\n", _x, xo, _y, yo, d);\ - d = *(GLuint*)(radeon_ptr(rrb, _x, _y )) & 0x00ffffff; -*/ + #define TAG(x) radeon##x##_z24 #include "depthtmp.h" @@ -345,12 +418,19 @@ do { \ */ #define VALUE_TYPE GLuint -#ifdef COMPILE_R300 +#if defined(COMPILE_R300) #define WRITE_DEPTH( _x, _y, d ) \ do { \ GLuint *_ptr = (GLuint*)radeon_ptr_4byte( rrb, _x + x_off, _y + y_off ); \ *_ptr = d; \ } while (0) +#elif defined(RADEON_COMMON_FOR_R200) +#define WRITE_DEPTH( _x, _y, d ) \ +do { \ + GLuint *_ptr = (GLuint*)r200_depth_4byte( rrb, _x + x_off, _y + y_off ); \ + GLuint tmp = z24s8_to_s8z24(d); \ + *_ptr = tmp; \ +} while (0) #else #define WRITE_DEPTH( _x, _y, d ) \ do { \ @@ -360,20 +440,22 @@ do { \ } while (0) #endif -#ifdef COMPILE_R300 +#if defined(COMPILE_R300) #define READ_DEPTH( d, _x, _y ) \ do { \ d = (*(GLuint*)(radeon_ptr_4byte(rrb, _x + x_off, _y + y_off))); \ }while(0) +#elif defined(RADEON_COMMON_FOR_R200) +#define READ_DEPTH( d, _x, _y ) \ + do { \ + d = s8z24_to_z24s8(*(GLuint*)(r200_depth_4byte(rrb, _x + x_off, _y + y_off))); \ + }while(0) #else #define READ_DEPTH( d, _x, _y ) do { \ d = s8z24_to_z24s8(*(GLuint*)(radeon_ptr_4byte(rrb, _x + x_off, _y + y_off ))); \ } while (0) #endif -/* - fprintf(stderr, "dval(%d, %d, %d, %d)=0x%08X\n", _x, xo, _y, yo, d);\ - d = *(GLuint*)(radeon_ptr(rrb, _x, _y )) & 0x00ffffff; -*/ + #define TAG(x) radeon##x##_z24_s8 #include "depthtmp.h" @@ -392,6 +474,15 @@ do { \ tmp |= (d) & 0xff; \ *_ptr = tmp; \ } while (0) +#elif defined(RADEON_COMMON_FOR_R200) +#define WRITE_STENCIL( _x, _y, d ) \ +do { \ + GLuint *_ptr = (GLuint*)r200_depth_4byte(rrb, _x + x_off, _y + y_off); \ + GLuint tmp = *_ptr; \ + tmp &= 0x00ffffff; \ + tmp |= (((d) & 0xff) << 24); \ + *_ptr = tmp; \ +} while (0) #else #define WRITE_STENCIL( _x, _y, d ) \ do { \ @@ -410,6 +501,13 @@ do { \ GLuint tmp = *_ptr; \ d = tmp & 0x000000ff; \ } while (0) +#elif defined(RADEON_COMMON_FOR_R200) +#define READ_STENCIL( d, _x, _y ) \ +do { \ + GLuint *_ptr = (GLuint*)r200_depth_4byte( rrb, _x + x_off, _y + y_off ); \ + GLuint tmp = *_ptr; \ + d = (tmp & 0xff000000) >> 24; \ +} while (0) #else #define READ_STENCIL( d, _x, _y ) \ do { \ |