diff options
Diffstat (limited to 'src/mesa/state_tracker/st_cb_clear.c')
-rw-r--r-- | src/mesa/state_tracker/st_cb_clear.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c index 8a8c99f7e1..e83b6c92ef 100644 --- a/src/mesa/state_tracker/st_cb_clear.c +++ b/src/mesa/state_tracker/st_cb_clear.c @@ -34,6 +34,7 @@ */ #include "main/glheader.h" +#include "main/formats.h" #include "main/macros.h" #include "shader/prog_instruction.h" #include "st_context.h" @@ -116,7 +117,18 @@ draw_quad(GLcontext *ctx, { struct st_context *st = ctx->st; struct pipe_context *pipe = st->pipe; - const GLuint max_slots = 1024 / sizeof(st->clear.vertices); + + /* XXX: Need to improve buffer_write to allow NO_WAIT (as well as + * no_flush) updates to buffers where we know there is no conflict + * with previous data. Currently using max_slots > 1 will cause + * synchronous rendering if the driver flushes its command buffers + * between one bitmap and the next. Our flush hook below isn't + * sufficient to catch this as the driver doesn't tell us when it + * flushes its own command buffers. Until this gets fixed, pay the + * price of allocating a new buffer for each bitmap cache-flush to + * avoid synchronous rendering. + */ + const GLuint max_slots = 1; /* 1024 / sizeof(st->clear.vertices); */ GLuint i; if (st->clear.vbuf_slot >= max_slots) { @@ -300,10 +312,14 @@ check_clear_color_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb) static INLINE GLboolean check_clear_depth_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb) { - const GLuint stencilMax = (1 << rb->StencilBits) - 1; + const GLuint stencilMax = 0xff; GLboolean maskStencil = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax; + assert(rb->Format == MESA_FORMAT_S8 || + rb->Format == MESA_FORMAT_Z24_S8 || + rb->Format == MESA_FORMAT_S8_Z24); + if (ctx->Scissor.Enabled && (ctx->Scissor.X != 0 || ctx->Scissor.Y != 0 || @@ -350,10 +366,14 @@ check_clear_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb) { const struct st_renderbuffer *strb = st_renderbuffer(rb); const GLboolean isDS = pf_is_depth_and_stencil(strb->surface->format); - const GLuint stencilMax = (1 << rb->StencilBits) - 1; + const GLuint stencilMax = 0xff; const GLboolean maskStencil = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax; + assert(rb->Format == MESA_FORMAT_S8 || + rb->Format == MESA_FORMAT_Z24_S8 || + rb->Format == MESA_FORMAT_S8_Z24); + if (maskStencil) return TRUE; |