diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/main/fbobject.c | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c index dbd9c130d0f..6fe6a15fae8 100644 --- a/src/mesa/main/fbobject.c +++ b/src/mesa/main/fbobject.c @@ -786,10 +786,21 @@ _mesa_base_fbo_format(GLcontext *ctx, GLenum internalFormat) } -void GLAPIENTRY -_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat, - GLsizei width, GLsizei height) +/** sentinal value, see below */ +#define NO_SAMPLES 1000 + + +/** + * Helper function used by _mesa_RenderbufferStorageEXT() and + * _mesa_RenderbufferStorageMultisample(). + * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT(). + */ +static void +renderbuffer_storage(GLenum target, GLenum internalFormat, + GLsizei width, GLsizei height, GLsizei samples) { + const char *func = samples == NO_SAMPLES ? + "glRenderbufferStorage" : "RenderbufferStorageMultisample"; struct gl_renderbuffer *rb; GLenum baseFormat; GET_CURRENT_CONTEXT(ctx); @@ -797,31 +808,38 @@ _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat, ASSERT_OUTSIDE_BEGIN_END(ctx); if (target != GL_RENDERBUFFER_EXT) { - _mesa_error(ctx, GL_INVALID_ENUM, "glRenderbufferStorageEXT(target)"); + _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func); return; } baseFormat = _mesa_base_fbo_format(ctx, internalFormat); if (baseFormat == 0) { - _mesa_error(ctx, GL_INVALID_ENUM, - "glRenderbufferStorageEXT(internalFormat)"); + _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat)", func); return; } if (width < 1 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) { - _mesa_error(ctx, GL_INVALID_VALUE, "glRenderbufferStorageEXT(width)"); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(width)", func); return; } if (height < 1 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) { - _mesa_error(ctx, GL_INVALID_VALUE, "glRenderbufferStorageEXT(height)"); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(height)", func); return; } - rb = ctx->CurrentRenderbuffer; + if (samples == NO_SAMPLES) { + /* NumSamples == 0 indicates non-multisampling */ + samples = 0; + } + else if (samples > ctx->Const.MaxSamples) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(samples)", func); + return; + } + rb = ctx->CurrentRenderbuffer; if (!rb) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glRenderbufferStorageEXT"); + _mesa_error(ctx, GL_INVALID_OPERATION, func); return; } @@ -843,6 +861,7 @@ _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat, rb->IndexBits = rb->DepthBits = rb->StencilBits = 0; + rb->NumSamples = samples; /* Now allocate the storage */ ASSERT(rb->AllocStorage); @@ -869,7 +888,8 @@ _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat, rb->AlphaBits = rb->IndexBits = rb->DepthBits = - rb->StencilBits = 0; + rb->StencilBits = + rb->NumSamples = 0; } /* @@ -882,11 +902,19 @@ _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat, void GLAPIENTRY +_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat, + GLsizei width, GLsizei height) +{ + renderbuffer_storage(target, internalFormat, width, height, NO_SAMPLES); +} + + +void GLAPIENTRY _mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples, - GLenum internalformat, + GLenum internalFormat, GLsizei width, GLsizei height) { - + renderbuffer_storage(target, internalFormat, width, height, samples); } |