From 68d94a608a6d46156a567b8f0e011ac58054975e Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 21 Oct 2009 20:02:33 -0600 Subject: intel: use MESA_FORMAT_S8_Z24 format and avoid z24s8/s8z24 conversions --- src/mesa/drivers/dri/intel/intel_span.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) (limited to 'src/mesa/drivers/dri/intel/intel_span.c') diff --git a/src/mesa/drivers/dri/intel/intel_span.c b/src/mesa/drivers/dri/intel/intel_span.c index 540ebca15c0..81692e93a99 100644 --- a/src/mesa/drivers/dri/intel/intel_span.c +++ b/src/mesa/drivers/dri/intel/intel_span.c @@ -131,18 +131,6 @@ 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) { @@ -374,8 +362,8 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb, /* 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_WRITE_DEPTH(offset, d) pwrite_32(irb, offset, d) +#define INTEL_READ_DEPTH(offset) pread_32(irb, offset) #define INTEL_TAG(name) name##_z24_s8 #include "intel_depthtmp.h" @@ -665,13 +653,13 @@ intel_set_span_functions(struct intel_context *intel, break; } break; - case MESA_FORMAT_Z24_S8: + case MESA_FORMAT_S8_Z24: /* There are a few different ways SW asks us to access the S8Z24 data: * Z24 depth-only depth reads * S8Z24 depth reads * S8Z24 stencil reads. */ - if (rb->Format == MESA_FORMAT_Z24_S8) { + if (rb->Format == MESA_FORMAT_S8_Z24) { switch (tiling) { case I915_TILING_NONE: default: -- cgit v1.2.3