diff options
| -rw-r--r-- | src/mapi/glapi/gen/GL4x.xml | 6 | ||||
| -rw-r--r-- | src/mesa/main/shaderimage.c | 40 | ||||
| -rw-r--r-- | src/mesa/main/shaderimage.h | 3 | ||||
| -rw-r--r-- | src/mesa/main/tests/dispatch_sanity.cpp | 9 |
4 files changed, 56 insertions, 2 deletions
diff --git a/src/mapi/glapi/gen/GL4x.xml b/src/mapi/glapi/gen/GL4x.xml index 94ddfb72960..dee50275a57 100644 --- a/src/mapi/glapi/gen/GL4x.xml +++ b/src/mapi/glapi/gen/GL4x.xml @@ -44,4 +44,10 @@ <enum name="DEPTH_STENCIL_TEXTURE_MODE" value="0x90EA"/> </category> +<category name="4.5"> + <function name="MemoryBarrierByRegion" es2="3.1"> + <param name="barriers" type="GLbitfield"/> + </function> +</category> + </OpenGLAPI> diff --git a/src/mesa/main/shaderimage.c b/src/mesa/main/shaderimage.c index a348cdb0405..7337f2255c4 100644 --- a/src/mesa/main/shaderimage.c +++ b/src/mesa/main/shaderimage.c @@ -653,3 +653,43 @@ _mesa_MemoryBarrier(GLbitfield barriers) if (ctx->Driver.MemoryBarrier) ctx->Driver.MemoryBarrier(ctx, barriers); } + +void GLAPIENTRY +_mesa_MemoryBarrierByRegion(GLbitfield barriers) +{ + GET_CURRENT_CONTEXT(ctx); + + GLbitfield all_allowed_bits = GL_ATOMIC_COUNTER_BARRIER_BIT | + GL_FRAMEBUFFER_BARRIER_BIT | + GL_SHADER_IMAGE_ACCESS_BARRIER_BIT | + GL_SHADER_STORAGE_BARRIER_BIT | + GL_TEXTURE_FETCH_BARRIER_BIT | + GL_UNIFORM_BARRIER_BIT; + + if (ctx->Driver.MemoryBarrier) { + /* From section 7.11.2 of the OpenGL ES 3.1 specification: + * + * "When barriers is ALL_BARRIER_BITS, shader memory accesses will be + * synchronized relative to all these barrier bits, but not to other + * barrier bits specific to MemoryBarrier." + * + * That is, if barriers is the special value GL_ALL_BARRIER_BITS, then all + * barriers allowed by glMemoryBarrierByRegion should be activated." + */ + if (barriers == GL_ALL_BARRIER_BITS) + return ctx->Driver.MemoryBarrier(ctx, all_allowed_bits); + + /* From section 7.11.2 of the OpenGL ES 3.1 specification: + * + * "An INVALID_VALUE error is generated if barriers is not the special + * value ALL_BARRIER_BITS, and has any bits set other than those + * described above." + */ + if ((barriers & ~all_allowed_bits) != 0) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glMemoryBarrierByRegion(unsupported barrier bit"); + } + + ctx->Driver.MemoryBarrier(ctx, barriers); + } +} diff --git a/src/mesa/main/shaderimage.h b/src/mesa/main/shaderimage.h index 33d8a1eff55..d08ece81f11 100644 --- a/src/mesa/main/shaderimage.h +++ b/src/mesa/main/shaderimage.h @@ -68,6 +68,9 @@ _mesa_BindImageTextures(GLuint first, GLsizei count, const GLuint *textures); void GLAPIENTRY _mesa_MemoryBarrier(GLbitfield barriers); +void GLAPIENTRY +_mesa_MemoryBarrierByRegion(GLbitfield barriers); + #ifdef __cplusplus } #endif diff --git a/src/mesa/main/tests/dispatch_sanity.cpp b/src/mesa/main/tests/dispatch_sanity.cpp index af89d2c1cfb..59107eb67b1 100644 --- a/src/mesa/main/tests/dispatch_sanity.cpp +++ b/src/mesa/main/tests/dispatch_sanity.cpp @@ -851,6 +851,9 @@ const struct function common_desktop_functions_possible[] = { // { "glTextureStorage2DMultisampleEXT", 43, -1 }, // XXX: Add to xml // { "glTextureStorage3DMultisampleEXT", 43, -1 }, // XXX: Add to xml +/* GL 4.5 */ + { "glMemoryBarrierByRegion", 45, -1 }, + /* GL_ARB_internalformat_query */ { "glGetInternalformativ", 30, -1 }, @@ -1739,6 +1742,9 @@ const struct function gl_core_functions_possible[] = { // { "glTextureStorage2DMultisampleEXT", 43, -1 }, // XXX: Add to xml // { "glTextureStorage3DMultisampleEXT", 43, -1 }, // XXX: Add to xml +/* GL 4.5 */ + { "glMemoryBarrierByRegion", 45, -1 }, + /* GL_ARB_direct_state_access */ { "glCreateTransformFeedbacks", 45, -1 }, { "glTransformFeedbackBufferBase", 45, -1 }, @@ -2461,8 +2467,7 @@ const struct function gles31_functions_possible[] = { { "glGetBooleani_v", 31, -1 }, { "glMemoryBarrier", 31, -1 }, - // FINISHME: This function has not been implemented yet. - // { "glMemoryBarrierByRegion", 31, -1 }, + { "glMemoryBarrierByRegion", 31, -1 }, { "glTexStorage2DMultisample", 31, -1 }, { "glGetMultisamplefv", 31, -1 }, |