diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_blit.c')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_blit.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_blit.c b/src/mesa/drivers/dri/radeon/radeon_blit.c index bc46018255..d9343b3064 100644 --- a/src/mesa/drivers/dri/radeon/radeon_blit.c +++ b/src/mesa/drivers/dri/radeon/radeon_blit.c @@ -37,6 +37,29 @@ static inline uint32_t cmdpacket0(struct radeon_screen *rscrn, return CP_PACKET2; } +/* common formats supported as both textures and render targets */ +static unsigned is_blit_supported(gl_format mesa_format) +{ + /* XXX others? BE/LE? */ + switch (mesa_format) { + case MESA_FORMAT_ARGB8888: + case MESA_FORMAT_XRGB8888: + case MESA_FORMAT_RGB565: + case MESA_FORMAT_ARGB4444: + case MESA_FORMAT_ARGB1555: + case MESA_FORMAT_A8: + break; + default: + return 0; + } + + /* ??? */ + if (_mesa_get_format_bits(mesa_format, GL_DEPTH_BITS) > 0) + return 0; + + return 1; +} + static inline void emit_vtx_state(struct r100_context *r100) { BATCH_LOCALS(&r100->radeon); @@ -305,7 +328,7 @@ GLboolean r100_blit(struct r100_context *r100, unsigned reg_height, unsigned flip_y) { - if (_mesa_get_format_bits(src_mesaformat, GL_DEPTH_BITS) > 0) + if (is_blit_supported(dst_mesaformat)) return GL_FALSE; /* Make sure that colorbuffer has even width - hw limitation */ |