diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_formatquery.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_formatquery.c b/src/mesa/drivers/dri/i965/brw_formatquery.c index 8f7a910415f..96cc6e04ee7 100644 --- a/src/mesa/drivers/dri/i965/brw_formatquery.c +++ b/src/mesa/drivers/dri/i965/brw_formatquery.c @@ -23,6 +23,7 @@ #include "brw_context.h" #include "brw_state.h" +#include "main/context.h" #include "main/formatquery.h" #include "main/glformats.h" @@ -50,9 +51,24 @@ brw_query_samples_for_format(struct gl_context *ctx, GLenum target, return 3; case 7: - samples[0] = 8; - samples[1] = 4; - return 2; + if (internalFormat == GL_RGBA32F && _mesa_is_gles(ctx)) { + /* For GLES, we are allowed to return a smaller number of samples for + * GL_RGBA32F. See OpenGLES 3.2 spec, section 20.3.1 Internal Format + * Query Parameters, under SAMPLES: + * + * "A value less than or equal to the value of MAX_SAMPLES, if + * internalformat is RGBA16F, R32F, RG32F, or RGBA32F." + * + * In brw_render_target_supported, we prevent formats with a size + * greater than 8 bytes from using 8x MSAA on gen7. + */ + samples[0] = 4; + return 1; + } else { + samples[0] = 8; + samples[1] = 4; + return 2; + } case 6: samples[0] = 4; |