From 3246e11d33b346f904f441fb1772e9e88f29d214 Mon Sep 17 00:00:00 2001 From: Timothy Arceri Date: Fri, 15 Aug 2014 00:16:09 +1000 Subject: mesa: implement GL_MAX_VERTEX_ATTRIB_STRIDE V2: moved test for the VertexAttrib*Pointer() functions to update_array(), and made constant available for drivers to set Signed-off-by: Timothy Arceri Reviewed-by: Ian Romanick --- src/mesa/main/context.c | 3 +++ src/mesa/main/get_hash_params.py | 3 +++ src/mesa/main/mtypes.h | 3 +++ src/mesa/main/varray.c | 22 ++++++++++++++++++++++ 4 files changed, 31 insertions(+) (limited to 'src/mesa') diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index 232084267d4..fbdbd680a2e 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -670,6 +670,9 @@ _mesa_init_constants(struct gl_constants *consts, gl_api api) ? GL_CONTEXT_CORE_PROFILE_BIT : GL_CONTEXT_COMPATIBILITY_PROFILE_BIT; + /* GL 4.4 */ + consts->MaxVertexAttribStride = 2048; + /** GL_EXT_gpu_shader4 */ consts->MinProgramTexelOffset = -8; consts->MaxProgramTexelOffset = 7; diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py index ff858207b87..aace8a5b5df 100644 --- a/src/mesa/main/get_hash_params.py +++ b/src/mesa/main/get_hash_params.py @@ -712,6 +712,9 @@ descriptor=[ [ "MAX_GEOMETRY_INPUT_COMPONENTS", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxInputComponents), extra_version_32" ], [ "MAX_GEOMETRY_OUTPUT_COMPONENTS", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents), extra_version_32" ], +# GL 4.4 + [ "MAX_VERTEX_ATTRIB_STRIDE", "CONTEXT_ENUM(Const.MaxVertexAttribStride), NO_EXTRA" ], + # GL_ARB_robustness [ "RESET_NOTIFICATION_STRATEGY_ARB", "CONTEXT_ENUM(Const.ResetStrategy), NO_EXTRA" ], diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index cb2a4df4f2f..adb6788e3b8 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -3414,6 +3414,9 @@ struct gl_constants /** OpenGL version 3.2 */ GLbitfield ProfileMask; /**< Mask of CONTEXT_x_PROFILE_BIT */ + /** OpenGL version 4.4 */ + GLuint MaxVertexAttribStride; + /** GL_EXT_transform_feedback */ GLuint MaxTransformFeedbackBuffers; GLuint MaxTransformFeedbackSeparateComponents; diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c index 5d3cc2a70c6..7d169f9d49b 100644 --- a/src/mesa/main/varray.c +++ b/src/mesa/main/varray.c @@ -424,6 +424,13 @@ update_array(struct gl_context *ctx, return; } + if (ctx->API == API_OPENGL_CORE && ctx->Version >= 44 && + stride > ctx->Const.MaxVertexAttribStride) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(stride=%d > " + "GL_MAX_VERTEX_ATTRIB_STRIDE)", func, stride); + return; + } + /* Page 29 (page 44 of the PDF) of the OpenGL 3.3 spec says: * * "An INVALID_OPERATION error is generated under any of the following @@ -1437,6 +1444,13 @@ _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset, return; } + if (ctx->API == API_OPENGL_CORE && ctx->Version >= 44 && + stride > ctx->Const.MaxVertexAttribStride) { + _mesa_error(ctx, GL_INVALID_VALUE, "glBindVertexBuffer(stride=%d > " + "GL_MAX_VERTEX_ATTRIB_STRIDE)", stride); + return; + } + if (buffer == vao->VertexBinding[VERT_ATTRIB_GENERIC(bindingIndex)].BufferObj->Name) { vbo = vao->VertexBinding[VERT_ATTRIB_GENERIC(bindingIndex)].BufferObj; } else if (buffer != 0) { @@ -1565,6 +1579,14 @@ _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers, continue; } + if (ctx->API == API_OPENGL_CORE && ctx->Version >= 44 && + strides[i] > ctx->Const.MaxVertexAttribStride) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glBindVertexBuffers(strides[%u]=%d > " + "GL_MAX_VERTEX_ATTRIB_STRIDE)", i, strides[i]); + continue; + } + if (buffers[i]) { struct gl_vertex_buffer_binding *binding = &vao->VertexBinding[VERT_ATTRIB_GENERIC(first + i)]; -- cgit v1.2.3