diff options
| author | Francisco Jerez <[email protected]> | 2013-11-22 18:35:46 -0800 |
|---|---|---|
| committer | Francisco Jerez <[email protected]> | 2015-02-10 19:09:25 +0200 |
| commit | 1b224290fbf8f4f4ccf933a6281276931ccec9b8 (patch) | |
| tree | d68a31523790f50104604f01cb2dad1cde3c9b49 /src/mesa/drivers | |
| parent | 46b03d5400794736e04eee5d373673309ba286ad (diff) | |
i965/gen7-8: Implement glMemoryBarrier().
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_program.c | 40 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_reg.h | 1 |
2 files changed, 41 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c index d9a3f057fec..aed595e9740 100644 --- a/src/mesa/drivers/dri/i965/brw_program.c +++ b/src/mesa/drivers/dri/i965/brw_program.c @@ -44,6 +44,7 @@ #include "brw_context.h" #include "brw_shader.h" #include "brw_wm.h" +#include "intel_batchbuffer.h" static unsigned get_new_program_id(struct intel_screen *screen) @@ -179,6 +180,43 @@ brwProgramStringNotify(struct gl_context *ctx, return true; } +static void +brw_memory_barrier(struct gl_context *ctx, GLbitfield barriers) +{ + struct brw_context *brw = brw_context(ctx); + unsigned bits = (PIPE_CONTROL_DATA_CACHE_INVALIDATE | + PIPE_CONTROL_NO_WRITE | + PIPE_CONTROL_CS_STALL); + assert(brw->gen >= 7 && brw->gen <= 8); + + if (barriers & (GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT | + GL_ELEMENT_ARRAY_BARRIER_BIT | + GL_COMMAND_BARRIER_BIT)) + bits |= PIPE_CONTROL_VF_CACHE_INVALIDATE; + + if (barriers & GL_UNIFORM_BARRIER_BIT) + bits |= (PIPE_CONTROL_TC_FLUSH | + PIPE_CONTROL_CONST_CACHE_INVALIDATE); + + if (barriers & GL_TEXTURE_FETCH_BARRIER_BIT) + bits |= PIPE_CONTROL_TC_FLUSH; + + if (barriers & GL_TEXTURE_UPDATE_BARRIER_BIT) + bits |= PIPE_CONTROL_WRITE_FLUSH; + + if (barriers & GL_FRAMEBUFFER_BARRIER_BIT) + bits |= (PIPE_CONTROL_DEPTH_CACHE_FLUSH | + PIPE_CONTROL_WRITE_FLUSH); + + /* Typed surface messages are handled by the render cache on IVB, so we + * need to flush it too. + */ + if (brw->gen == 7 && !brw->is_haswell) + bits |= PIPE_CONTROL_WRITE_FLUSH; + + brw_emit_pipe_control_flush(brw, bits); +} + void brw_add_texrect_params(struct gl_program *prog) { @@ -236,6 +274,8 @@ void brwInitFragProgFuncs( struct dd_function_table *functions ) functions->NewShader = brw_new_shader; functions->LinkShader = brw_link_shader; + + functions->MemoryBarrier = brw_memory_barrier; } void diff --git a/src/mesa/drivers/dri/i965/intel_reg.h b/src/mesa/drivers/dri/i965/intel_reg.h index 5ac0180dc5c..8b630c5fc54 100644 --- a/src/mesa/drivers/dri/i965/intel_reg.h +++ b/src/mesa/drivers/dri/i965/intel_reg.h @@ -70,6 +70,7 @@ #define PIPE_CONTROL_ISP_DIS (1 << 9) #define PIPE_CONTROL_INTERRUPT_ENABLE (1 << 8) /* GT */ +#define PIPE_CONTROL_DATA_CACHE_INVALIDATE (1 << 5) #define PIPE_CONTROL_VF_CACHE_INVALIDATE (1 << 4) #define PIPE_CONTROL_CONST_CACHE_INVALIDATE (1 << 3) #define PIPE_CONTROL_STATE_CACHE_INVALIDATE (1 << 2) |